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Weekly Routing Table Report
- Subject: Weekly Routing Table Report
- From: cscora at apnic.net (Routing Analysis Role Account)
- Date: Sat, 30 Nov 2013 04:07:34 +1000 (EST)
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