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Weekly Routing Table Report



This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 30 Nov, 2013

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              475032
    Prefixes after maximum aggregation:                          189765
    Deaggregation factor:                                          2.50
    Unique aggregates announced to Internet:                     234882
Total ASes present in the Internet Routing Table:                 45606
    Prefixes per ASN:                                             10.42
Origin-only ASes present in the Internet Routing Table:           35425
Origin ASes announcing only one prefix:                           16285
Transit ASes present in the Internet Routing Table:                5965
Transit-only ASes present in the Internet Routing Table:            172
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                     103
    Max AS path prepend of ASN ( 50404)                             101
Prefixes from unregistered ASNs in the Routing Table:              1026
    Unregistered ASNs in the Routing Table:                         289
Number of 32-bit ASNs allocated by the RIRs:                       5418
Number of 32-bit ASNs visible in the Routing Table:                4216
Prefixes from 32-bit ASNs in the Routing Table:                   13406
Number of bogon 32-bit ASNs visible in the Routing Table:             2
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:           1239
Number of addresses announced to Internet:                   2657605980
    Equivalent to 158 /8s, 103 /16s and 217 /24s
    Percentage of available address space announced:               71.8
    Percentage of allocated address space announced:               71.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               95.3
Total number of prefixes smaller than registry allocations:      166229

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   112516
    Total APNIC prefixes after maximum aggregation:               34078
    APNIC Deaggregation factor:                                    3.30
Prefixes being announced from the APNIC address blocks:          114817
    Unique aggregates announced from the APNIC address blocks:    47954
APNIC Region origin ASes present in the Internet Routing Table:    4871
    APNIC Prefixes per ASN:                                       23.57
APNIC Region origin ASes announcing only one prefix:               1214
APNIC Region transit ASes present in the Internet Routing Table:    837
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:    763
Number of APNIC addresses announced to Internet:              729050048
    Equivalent to 43 /8s, 116 /16s and 107 /24s
    Percentage of available APNIC address space announced:         85.2

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-63999, 131072-133631
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    163913
    Total ARIN prefixes after maximum aggregation:                81702
    ARIN Deaggregation factor:                                     2.01
Prefixes being announced from the ARIN address blocks:           164722
    Unique aggregates announced from the ARIN address blocks:     75893
ARIN Region origin ASes present in the Internet Routing Table:    15939
    ARIN Prefixes per ASN:                                        10.33
ARIN Region origin ASes announcing only one prefix:                6009
ARIN Region transit ASes present in the Internet Routing Table:    1660
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:      40
Number of ARIN addresses announced to Internet:              1073898880
    Equivalent to 64 /8s, 2 /16s and 101 /24s
    Percentage of available ARIN address space announced:          56.8

ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 393216-394239
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    119613
    Total RIPE prefixes after maximum aggregation:                61150
    RIPE Deaggregation factor:                                     1.96
Prefixes being announced from the RIPE address blocks:           123355
    Unique aggregates announced from the RIPE address blocks:     78716
RIPE Region origin ASes present in the Internet Routing Table:    17548
    RIPE Prefixes per ASN:                                         7.03
RIPE Region origin ASes announcing only one prefix:                8302
RIPE Region transit ASes present in the Internet Routing Table:    2831
Average RIPE Region AS path length visible:                         5.1
    Max RIPE Region AS path length visible:                         103
Number of RIPE region 32-bit ASNs visible in the Routing Table:    2497
Number of RIPE addresses announced to Internet:               656262372
    Equivalent to 39 /8s, 29 /16s and 196 /24s
    Percentage of available RIPE address space announced:          95.4

RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 196608-200191
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   53124
    Total LACNIC prefixes after maximum aggregation:              10039
    LACNIC Deaggregation factor:                                   5.29
Prefixes being announced from the LACNIC address blocks:          58489
    Unique aggregates announced from the LACNIC address blocks:   27297
LACNIC Region origin ASes present in the Internet Routing Table:   2047
    LACNIC Prefixes per ASN:                                      28.57
LACNIC Region origin ASes announcing only one prefix:               551
LACNIC Region transit ASes present in the Internet Routing Table:   401
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:   908
Number of LACNIC addresses announced to Internet:             145688376
    Equivalent to 8 /8s, 175 /16s and 7 /24s
    Percentage of available LACNIC address space announced:        86.8

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 262144-263679 plus ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  11728
    Total AfriNIC prefixes after maximum aggregation:              2587
    AfriNIC Deaggregation factor:                                  4.53
Prefixes being announced from the AfriNIC address blocks:         12410
    Unique aggregates announced from the AfriNIC address blocks:   4024
AfriNIC Region origin ASes present in the Internet Routing Table:   689
    AfriNIC Prefixes per ASN:                                     18.01
AfriNIC Region origin ASes announcing only one prefix:              209
AfriNIC Region transit ASes present in the Internet Routing Table:  142
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    8
Number of AfriNIC addresses announced to Internet:             48532736
    Equivalent to 2 /8s, 228 /16s and 141 /24s
    Percentage of available AfriNIC address space announced:       48.2

AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4766     2930      11557         940   Korea Telecom (KIX)
17974     2718        902          90   PT TELEKOMUNIKASI INDONESIA
 7545     2113        319         111   TPG Internet Pty Ltd
 4755     1792        392         190   TATA Communications formerly 
 9829     1544       1245          45   BSNL National Internet Backbo
 9583     1251         95         510   Sify Limited
 9498     1216        309          73   BHARTI Airtel Ltd.
 7552     1165       1080          13   Vietel Corporation
 4808     1145       2119         336   CNCGROUP IP network: China169
24560     1102        382         166   Bharti Airtel Ltd., Telemedia

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 6389     3042       3688          53   BellSouth.net Inc.
22773     2208       2939         136   Cox Communications, Inc.
18566     2053        379         178   MegaPath Corporation
 1785     2044        685         132   PaeTec Communications, Inc.
20115     1682       1653         602   Charter Communications 
 4323     1642       1090         419   Time Warner Telecom
  701     1507      11144         781   MCI Communications Services, 
 7029     1468       1241         163   Windstream Communications Inc
30036     1390        313         582   Mediacom Communications Corp 
 7018     1332      17779         872   AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8402     1932        544          16   OJSC "Vimpelcom"
34984     1367        244         224   TELLCOM ILETISIM HIZMETLERI A
20940     1191        453         889   Akamai Technologies European 
31148     1010         45          20   FreeNet ISP
13188      896         99          48   TOV "Bank-Inform"
 6849      856        363          39   JSC UKRTELECOM,
 8551      787        370          41   Bezeq International
 6830      772       2327         424   UPC Distribution Services
12479      680        798          53   Uni2 Autonomous System
35228      549        246          16   Avatar Broadband Limited

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
28573     3405       1807          90   NET Servicos de Comunicao S.A
10620     2671        433         213   Telmex Colombia S.A.
 7303     1726       1151         230   Telecom Argentina Stet-France
18881     1706        908          20   Global Village Telecom 
 8151     1360       2852         420   UniNet S.A. de C.V. 
11830      868        364          15   Instituto Costarricense de El
27947      847         93          90   Telconet S.A
 6147      792        373          27   Telefonica Del Peru 
 7738      780       1498          36   Telecomunicacoes da Bahia S.A
 6503      775        434          60   AVANTEL, S.A. 

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
36998     1864        112           5   Sudanese Mobile Telephone (ZA
24863      868        338          26   LINKdotNET AS number
 6713      554        633          26   Itissalat Al-MAGHRIB
 8452      412        956           9   TEDATA
24835      297        144           9   RAYA Telecom - Egypt
 3741      251        921         209   The Internet Solution 
36992      234        471          25   Etisalat MISR
29571      227         17          14   Ci Telecom Autonomous system 
15706      221         32           6   Sudatel Internet Exchange Aut
29975      192        668          21   Vodacom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
28573     3405       1807          90   NET Servicos de Comunicao S.A
 6389     3042       3688          53   BellSouth.net Inc.
 4766     2930      11557         940   Korea Telecom (KIX)
17974     2718        902          90   PT TELEKOMUNIKASI INDONESIA
10620     2671        433         213   Telmex Colombia S.A.
22773     2208       2939         136   Cox Communications, Inc.
 7545     2113        319         111   TPG Internet Pty Ltd
18566     2053        379         178   MegaPath Corporation
 1785     2044        685         132   PaeTec Communications, Inc.
 8402     1932        544          16   OJSC "Vimpelcom"

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
 6389      3042        2989      BellSouth.net Inc.
17974      2718        2628      PT TELEKOMUNIKASI INDONESIA
10620      2671        2458      Telmex Colombia S.A.
22773      2208        2072      Cox Communications, Inc.
 7545      2113        2002      TPG Internet Pty Ltd
 4766      2930        1990      Korea Telecom (KIX)
 8402      1932        1916      OJSC "Vimpelcom"
 1785      2044        1912      PaeTec Communications, Inc.
18566      2053        1875      MegaPath Corporation
36998      1864        1859      Sudanese Mobile Telephone (ZA

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS  Designation  Network              Transit AS  Description
62828   UNALLOCATED  8.21.130.0/24         4323       Time Warner Telecom
62850   UNALLOCATED  8.25.147.0/24        46887       Lightower Fiber Netw
62734   UNALLOCATED  8.31.128.0/24         6939       Hurricane Electric 
62773   UNALLOCATED  8.35.180.0/22         3356       Level 3 Communicatio
65160   PRIVATE      12.1.58.0/24         17361       Sungard Trading Syst
65160   PRIVATE      12.1.59.0/24         17361       Sungard Trading Syst
15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
62719   UNALLOCATED  12.27.130.0/24        4323       Time Warner Telecom
62861   UNALLOCATED  12.37.197.0/24        7018       AT&T WorldNet Servic
13317   UNALLOCATED  12.44.10.0/24         7018       AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
100.100.0.0/24        4847     China Networks Inter-Exchange

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
23.90.128.0/18       27418     OUTOFWALL INC.
23.91.0.0/19         40676     Psychz Networks
23.91.4.0/24         40676     Psychz Networks
23.91.14.0/24        40676     Psychz Networks
23.91.32.0/19        36315     Servpac Inc. 
23.91.80.0/20        21560     Capital Technology Services G
23.91.96.0/20        37958     ChinaCache Networks ASN
23.91.112.0/21       32475     MidPhase Inc. 
23.91.120.0/21       36351     SoftLayer Technologies Inc. 
23.91.160.0/19       36493     3757277 Canada Inc. (oa 295.c

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:11      /10:31      /11:92      /12:253     
/13:476     /14:932     /15:1640    /16:12850   /17:6793    /18:11348   
/19:23177   /20:33029   /21:35687   /22:50161   /23:44117   /24:251913  
/25:876     /26:997     /27:469     /28:50      /29:81      /30:20      
/31:0       /32:13      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
18566     2008          2053      MegaPath Corporation
36998     1829          1864      Sudanese Mobile Telephone (ZA
 6389     1700          3042      BellSouth.net Inc.
 8402     1616          1932      OJSC "Vimpelcom"
22773     1462          2208      Cox Communications, Inc.
30036     1232          1390      Mediacom Communications Corp 
11492     1195          1233      Cable One 
 1785     1088          2044      PaeTec Communications, Inc.
 7029     1046          1468      Windstream Communications Inc
 6983     1035          1293      ITC^Deltacom 

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:909       2:859       3:3         4:17        5:1024      6:21     
   8:610      12:1874     13:3        14:901      15:11       16:3      
  17:18       18:19       20:25       23:606      24:1760     27:1699   
  31:1520     32:45       33:2        34:5        36:95       37:1941   
  38:917      39:5        40:185      41:3265     42:323      44:14     
  46:2043     47:10       49:696      50:856      52:12       54:44     
  55:5        56:4        57:26       58:1171     59:580      60:368    
  61:1493     62:1250     63:1977     64:4401     65:2356     66:4250   
  67:2102     68:1103     69:3312     70:949      71:515      72:2024   
  74:2635     75:394      76:304      77:1216     78:1081     79:666    
  80:1275     81:1053     82:629      83:690      84:592      85:1257   
  86:382      87:1023     88:552      89:1551     90:154      91:5692   
  92:613      93:1611     94:2086     95:1511     96:515      97:347    
  98:1085     99:41      100:31      101:659     103:3731    105:530    
 106:143     107:218     108:537     109:2001    110:982     111:1123   
 112:595     113:803     114:767     115:1058    116:1009    117:834    
 118:1206    119:1292    120:342     121:761     122:1875    123:1270   
 124:1423    125:1433    128:658     129:232     130:353     131:669    
 132:352     133:158     134:302     135:72      136:276     137:251    
 138:350     139:181     140:200     141:337     142:547     143:395    
 144:497     145:90      146:551     147:419     148:776     149:370    
 150:153     151:664     152:412     153:207     154:53      155:506    
 156:306     157:420     158:284     159:783     160:361     161:458    
 162:915     163:227     164:622     165:587     166:283     167:637    
 168:1043    169:125     170:1106    171:185     172:12      173:1671   
 174:721     175:538     176:1333    177:2574    178:1878    179:302    
 180:1595    181:874     182:1411    183:473     184:640     185:1074   
 186:2646    187:1456    188:1862    189:1253    190:7298    192:7087   
 193:5441    194:4028    195:3357    196:1338    197:1034    198:4752   
 199:5509    200:6061    201:2526    202:9007    203:8898    204:4532   
 205:2652    206:2852    207:2810    208:3966    209:3672    210:3069   
 211:1592    212:2151    213:2005    214:891     215:86      216:5437   
 217:1705    218:631     219:323     220:1274    221:585     222:332    
 223:522    

End of report