[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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,
SAFNOG, PaNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.

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 Jan, 2016

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

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

BGP routing table entries examined:                              580432
    Prefixes after maximum aggregation (per Origin AS):          214504
    Deaggregation factor:                                          2.71
    Unique aggregates announced (without unneeded subnets):      288829
Total ASes present in the Internet Routing Table:                 52637
    Prefixes per ASN:                                             11.03
Origin-only ASes present in the Internet Routing Table:           36591
Origin ASes announcing only one prefix:                           15810
Transit ASes present in the Internet Routing Table:                6415
Transit-only ASes present in the Internet Routing Table:            168
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      37
    Max AS path prepend of ASN ( 40285)                              34
Prefixes from unregistered ASNs in the Routing Table:               986
    Unregistered ASNs in the Routing Table:                         361
Number of 32-bit ASNs allocated by the RIRs:                      12540
Number of 32-bit ASNs visible in the Routing Table:                9631
Prefixes from 32-bit ASNs in the Routing Table:                   36887
Number of bogon 32-bit ASNs visible in the Routing Table:            15
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            399
Number of addresses announced to Internet:                   2801150916
    Equivalent to 166 /8s, 246 /16s and 43 /24s
    Percentage of available address space announced:               75.7
    Percentage of allocated address space announced:               75.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.0
Total number of prefixes smaller than registry allocations:      190275

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

Prefixes being announced by APNIC Region ASes:                   148369
    Total APNIC prefixes after maximum aggregation:               40852
    APNIC Deaggregation factor:                                    3.63
Prefixes being announced from the APNIC address blocks:          157218
    Unique aggregates announced from the APNIC address blocks:    63577
APNIC Region origin ASes present in the Internet Routing Table:    5126
    APNIC Prefixes per ASN:                                       30.67
APNIC Region origin ASes announcing only one prefix:               1175
APNIC Region transit ASes present in the Internet Routing Table:    904
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:   1834
Number of APNIC addresses announced to Internet:              751946372
    Equivalent to 44 /8s, 209 /16s and 202 /24s
    Percentage of available APNIC address space announced:         87.9

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 131072-135580
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:                    180788
    Total ARIN prefixes after maximum aggregation:                89245
    ARIN Deaggregation factor:                                     2.03
Prefixes being announced from the ARIN address blocks:           185220
    Unique aggregates announced from the ARIN address blocks:     92814
ARIN Region origin ASes present in the Internet Routing Table:    16433
    ARIN Prefixes per ASN:                                        11.27
ARIN Region origin ASes announcing only one prefix:                5910
ARIN Region transit ASes present in the Internet Routing Table:    1710
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          37
Number of ARIN region 32-bit ASNs visible in the Routing Table:     973
Number of ARIN addresses announced to Internet:              1099537088
    Equivalent to 65 /8s, 137 /16s and 154 /24s
    Percentage of available ARIN address space announced:          58.2

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, 64198-64296, 393216-395164
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:                    138919
    Total RIPE prefixes after maximum aggregation:                69271
    RIPE Deaggregation factor:                                     2.01
Prefixes being announced from the RIPE address blocks:           147088
    Unique aggregates announced from the RIPE address blocks:     91125
RIPE Region origin ASes present in the Internet Routing Table:    18048
    RIPE Prefixes per ASN:                                         8.15
RIPE Region origin ASes announcing only one prefix:                7943
RIPE Region transit ASes present in the Internet Routing Table:    3011
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    4407
Number of RIPE addresses announced to Internet:               702673280
    Equivalent to 41 /8s, 225 /16s and 241 /24s
    Percentage of available RIPE address space announced:         102.2

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, 196608-204287
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:                   61117
    Total LACNIC prefixes after maximum aggregation:              11929
    LACNIC Deaggregation factor:                                   5.12
Prefixes being announced from the LACNIC address blocks:          74467
    Unique aggregates announced from the LACNIC address blocks:   34709
LACNIC Region origin ASes present in the Internet Routing Table:   2470
    LACNIC Prefixes per ASN:                                      30.15
LACNIC Region origin ASes announcing only one prefix:               591
LACNIC Region transit ASes present in the Internet Routing Table:   542
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        27
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2231
Number of LACNIC addresses announced to Internet:             170885120
    Equivalent to 10 /8s, 47 /16s and 128 /24s
    Percentage of available LACNIC address space announced:       101.9

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-265628 + 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:                  14276
    Total AfriNIC prefixes after maximum aggregation:              3167
    AfriNIC Deaggregation factor:                                  4.51
Prefixes being announced from the AfriNIC address blocks:         16040
    Unique aggregates announced from the AfriNIC address blocks:   6261
AfriNIC Region origin ASes present in the Internet Routing Table:   736
    AfriNIC Prefixes per ASN:                                     21.79
AfriNIC Region origin ASes announcing only one prefix:              191
AfriNIC Region transit ASes present in the Internet Routing Table:  172
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  186
Number of AfriNIC addresses announced to Internet:             75711744
    Equivalent to 4 /8s, 131 /16s and 69 /24s
    Percentage of available AfriNIC address space announced:       75.2

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
 4538     5594       4192          76   China Education and Research 
 7545     3141        347         163   TPG Telecom Limited
 4766     3128      11143        1100   Korea Telecom
17974     2859        914          96   PT Telekomunikasi Indonesia
 9829     2304       1434         387   National Internet Backbone
 4755     2079        432         236   TATA Communications formerly 
 9808     1787       8717          29   Guangdong Mobile Communicatio
 4808     1618       2279         509   CNCGROUP IP network China169 
 9583     1517        122         557   Sify Limited
17488     1444        230         229   Hathway IP Over Cable Interne

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
22773     3302       2949         148   Cox Communications Inc.
 3356     2599      10692         525   Level 3 Communications, Inc.
 6389     2443       3687          42   BellSouth.net Inc.
18566     2210        394         278   MegaPath Corporation
20115     1908       1912         410   Charter Communications
 6983     1699        849         238   EarthLink, Inc.
30036     1673        334         349   Mediacom Communications Corp
 4323     1586       1023         396   tw telecom holdings, inc.
  209     1471       4340        1234   Qwest Communications Company,
  701     1391      11451         659   MCI Communications 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
39891     2515        135           9   SaudiNet, Saudi Telecom Compa
20940     2362        928        1680   Akamai International B.V.
34984     1942        322         412   TELLCOM ILETISIM HIZMETLERI A
 8551     1225        376          53   Bezeq International-Ltd
12479     1111        981          82   France Telecom Espana SA
13188     1076         97          84   TOV "Bank-Inform"
 8402     1048        544          15   OJSC "Vimpelcom"
31148     1041         47          41   Freenet Ltd.
 9198      969        352          24   JSC Kazakhtelecom
 6830      895       2712         465   Liberty Global Operations B.V

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
10620     3421        541         141   Telmex Colombia S.A.
 8151     2179       3387         521   Uninet S.A. de C.V.
 7303     1588        943         243   Telecom Argentina S.A.
11830     1437        366          25   Instituto Costarricense de El
 6503     1394        437          56   Axtel, S.A.B. de C.V.
28573     1037       2171         155   NET Servi?os de Comunica??o S
 6147     1033        376          34   Telefonica del Peru S.A.A.
26615     1002       2325          34   Tim Celular S.A.
 7738      994       1882          41   Telemar Norte Leste S.A.
 3816      988        479         182   COLOMBIA TELECOMUNICACIONES S

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
 8452     1275       1472          15   TE-AS
24863     1177        403          36   Link Egypt (Link.NET)
37611      594         40          44   Afrihost-Brevis Computer Serv
36903      552        278         103   Office National des Postes et
36992      456       1235          34   ETISALAT MISR
37492      358        215          64   Orange Tunisie
24835      331        146          12   Vodafone Data
29571      266         21          12   Cote d'Ivoire Telecom
37054      262         20           7   Data Telecom Service
 2018      226        323          73   TENET (The UNINET Project)

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
 4538     5594       4192          76   China Education and Research 
10620     3421        541         141   Telmex Colombia S.A.
22773     3302       2949         148   Cox Communications Inc.
 7545     3141        347         163   TPG Telecom Limited
 4766     3128      11143        1100   Korea Telecom
17974     2859        914          96   PT Telekomunikasi Indonesia
 3356     2599      10692         525   Level 3 Communications, Inc.
39891     2515        135           9   SaudiNet, Saudi Telecom Compa
 6389     2443       3687          42   BellSouth.net Inc.
20940     2362        928        1680   Akamai International B.V.

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

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

  ASN   No of nets  Net Savings Description
10620      3421        3280      Telmex Colombia S.A.
22773      3302        3154      Cox Communications Inc.
 7545      3141        2978      TPG Telecom Limited
17974      2859        2763      PT Telekomunikasi Indonesia
39891      2515        2506      SaudiNet, Saudi Telecom Compa
 6389      2443        2401      BellSouth.net Inc.
 3356      2599        2074      Level 3 Communications, Inc.
 4766      3128        2028      Korea Telecom
18566      2210        1932      MegaPath Corporation
 9829      2304        1917      National Internet Backbone

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

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

Bad AS  Designation  Network              Transit AS  Description
30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
53506   UNALLOCATED  8.17.102.0/23         3356       Level 3 Communicatio
46467   UNALLOCATED  8.19.192.0/24        46887       Lightower Fiber Netw
18985   UNALLOCATED  8.21.68.0/22          3356       Level 3 Communicatio
46473   UNALLOCATED  8.27.122.0/24         3356       Level 3 Communicatio
46473   UNALLOCATED  8.27.124.0/24         3356       Level 3 Communicatio
27205   UNALLOCATED  8.38.16.0/21          3356       Level 3 Communicatio
15347   UNALLOCATED  8.224.147.0/24       12064       Cox Communications I
33628   UNALLOCATED  12.0.239.0/24         1239       Sprint
32805   UNALLOCATED  12.1.225.0/24         7018       AT&T Services, Inc.

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

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

Network            Origin AS  Description
23.226.112.0/20      62788     >>UNKNOWN<<
23.249.144.0/20      40430     colo4jax, LLC
23.249.144.0/21      40430     colo4jax, LLC
23.249.152.0/21      40430     colo4jax, LLC
27.100.7.0/24        56096     >>UNKNOWN<<
37.46.10.0/23        36351     SoftLayer Technologies Inc.
37.46.14.0/24        36351     SoftLayer Technologies Inc.
37.46.15.0/24        36351     SoftLayer Technologies Inc.
41.73.1.0/24         37004     >>UNKNOWN<<
41.73.2.0/24         37004     >>UNKNOWN<<

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       /9:13      /10:35      /11:99      /12:263     
/13:505     /14:1014    /15:1744    /16:12967   /17:7449    /18:12530   
/19:25686   /20:38055   /21:40106   /22:64231   /23:55657   /24:318511  
/25:537     /26:568     /27:384     /28:16      /29:16      /30:9       
/31:0       /32:21      

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

  ASN   No of nets  Total ann.   Description
22773     2483          3302      Cox Communications Inc.
39891     2472          2515      SaudiNet, Saudi Telecom Compa
18566     2112          2210      MegaPath Corporation
 6389     1542          2443      BellSouth.net Inc.
30036     1489          1673      Mediacom Communications Corp
 6983     1343          1699      EarthLink, Inc.
10620     1299          3421      Telmex Colombia S.A.
34984     1229          1942      TELLCOM ILETISIM HIZMETLERI A
11492     1157          1249      CABLE ONE, INC.
31148      960          1041      Freenet Ltd.

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

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

   1:1614      2:673       4:101       5:2082      6:26        8:1440   
  12:1790     13:33       14:1626     15:22       16:2        17:58     
  18:19       20:48       22:1        23:1355     24:1741     27:2245   
  31:1715     32:54       33:2        34:2        35:4        36:212    
  37:2327     38:1152     39:23       40:81       41:3141     42:379    
  43:1664     44:38       45:1638     46:2395     47:67       49:1100   
  50:840      51:3        52:38       54:138      55:7        56:6      
  57:44       58:1473     59:851      60:542      61:1771     62:1441   
  63:1927     64:4456     65:2180     66:4080     67:2109     68:1099   
  69:3279     70:1041     71:464      72:1983     74:2541     75:357    
  76:420      77:1330     78:1271     79:803      80:1298     81:1362   
  82:850      83:669      84:775      85:1556     86:459      87:1031   
  88:550      89:1919     90:163      91:6008     92:872      93:2313   
  94:2232     95:2254     96:471      97:351      98:944      99:45     
 100:67      101:886     103:9552    104:2234    105:98      106:380    
 107:1126    108:649     109:2095    110:1265    111:1601    112:931    
 113:1220    114:1113    115:1612    116:1518    117:1398    118:2016   
 119:1536    120:510     121:1162    122:2282    123:2004    124:1587   
 125:1746    128:662     129:361     130:417     131:1285    132:593    
 133:173     134:451     135:112     136:346     137:327     138:1655   
 139:199     140:248     141:466     142:625     143:818     144:584    
 145:150     146:832     147:612     148:1442    149:448     150:637    
 151:821     152:592     153:265     154:561     155:916     156:464    
 157:425     158:343     159:1082    160:420     161:747     162:2248   
 163:522     164:722     165:1106    166:315     167:976     168:1442   
 169:582     170:1479    171:260     172:420     173:1598    174:712    
 175:833     176:1512    177:3978    178:2225    179:1085    180:2022   
 181:1621    182:1925    183:678     184:780     185:5536    186:3073   
 187:1931    188:2055    189:1791    190:7554    191:1273    192:8866   
 193:5730    194:4338    195:3722    196:1638    197:1296    198:5536   
 199:5500    200:6836    201:3677    202:9955    203:9365    204:4506   
 205:2724    206:2976    207:3027    208:4016    209:3977    210:3777   
 211:2013    212:2605    213:2149    214:819     215:73      216:5700   
 217:1900    218:744     219:558     220:1649    221:848     222:671    
 223:913    

End of report