[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 15 18:41:28 UTC 2010
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 16 Jan, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 309127
Prefixes after maximum aggregation: 143543
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 151934
Total ASes present in the Internet Routing Table: 33091
Prefixes per ASN: 9.34
Origin-only ASes present in the Internet Routing Table: 28731
Origin ASes announcing only one prefix: 14027
Transit ASes present in the Internet Routing Table: 4360
Transit-only ASes present in the Internet Routing Table: 103
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN ( 9503) 21
Prefixes from unregistered ASNs in the Routing Table: 765
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 393
Prefixes from 32-bit ASNs in the Routing Table: 345
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 185
Number of addresses announced to Internet: 2176160448
Equivalent to 129 /8s, 181 /16s and 146 /24s
Percentage of available address space announced: 58.7
Percentage of allocated address space announced: 66.5
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.8
Total number of prefixes smaller than registry allocations: 149064
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 74756
Total APNIC prefixes after maximum aggregation: 25793
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 71440
Unique aggregates announced from the APNIC address blocks: 31551
APNIC Region origin ASes present in the Internet Routing Table: 3907
APNIC Prefixes per ASN: 18.29
APNIC Region origin ASes announcing only one prefix: 1065
APNIC Region transit ASes present in the Internet Routing Table: 614
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 488804384
Equivalent to 29 /8s, 34 /16s and 144 /24s
Percentage of available APNIC address space announced: 80.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 129389
Total ARIN prefixes after maximum aggregation: 67564
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103522
Unique aggregates announced from the ARIN address blocks: 39181
ARIN Region origin ASes present in the Internet Routing Table: 13450
ARIN Prefixes per ASN: 7.70
ARIN Region origin ASes announcing only one prefix: 5209
ARIN Region transit ASes present in the Internet Routing Table: 1334
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 735534112
Equivalent to 43 /8s, 215 /16s and 92 /24s
Percentage of available ARIN address space announced: 64.5
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, 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, 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, 52/8, 54/8, 55/8,
56/8, 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, 108/8, 173/8,
174/8, 184/8, 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: 71034
Total RIPE prefixes after maximum aggregation: 41545
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 64168
Unique aggregates announced from the RIPE address blocks: 42760
RIPE Region origin ASes present in the Internet Routing Table: 13981
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 7265
RIPE Region transit ASes present in the Internet Routing Table: 2100
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 413123840
Equivalent to 24 /8s, 159 /16s and 197 /24s
Percentage of available RIPE address space announced: 77.0
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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 27130
Total LACNIC prefixes after maximum aggregation: 6521
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 25496
Unique aggregates announced from the LACNIC address blocks: 13826
LACNIC Region origin ASes present in the Internet Routing Table: 1230
LACNIC Prefixes per ASN: 20.73
LACNIC Region origin ASes announcing only one prefix: 393
LACNIC Region transit ASes present in the Internet Routing Table: 203
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 69936128
Equivalent to 4 /8s, 43 /16s and 36 /24s
Percentage of available LACNIC address space announced: 69.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 6243
Total AfriNIC prefixes after maximum aggregation: 1767
AfriNIC Deaggregation factor: 3.53
Prefixes being announced from the AfriNIC address blocks: 4645
Unique aggregates announced from the AfriNIC address blocks: 1589
AfriNIC Region origin ASes present in the Internet Routing Table: 338
AfriNIC Prefixes per ASN: 13.74
AfriNIC Region origin ASes announcing only one prefix: 95
AfriNIC Region transit ASes present in the Internet Routing Table: 69
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 14818048
Equivalent to 0 /8s, 226 /16s and 27 /24s
Percentage of available AfriNIC address space announced: 44.2
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1857 7511 473 Korea Telecom (KIX)
17488 1464 144 140 Hathway IP Over Cable Interne
4755 1310 303 136 TATA Communications formerly
18101 1036 220 38 Reliance Infocom Ltd Internet
4134 1019 19477 400 CHINANET-BACKBONE
9583 999 75 504 Sify Limited
7545 926 198 100 TPG Internet Pty Ltd
17974 853 272 54 PT TELEKOMUNIKASI INDONESIA
9829 839 683 24 BSNL National Internet Backbo
4808 837 1583 213 CNCGROUP IP network: China169
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4165 3891 302 bellsouth.net, inc.
4323 3785 1088 397 Time Warner Telecom
1785 1794 699 133 PaeTec Communications, Inc.
7018 1593 5791 1031 AT&T WorldNet Services
20115 1544 1490 671 Charter Communications
2386 1282 615 921 AT&T Data Communications Serv
3356 1200 10929 423 Level 3 Communications, LLC
11492 1128 222 14 Cable One
22773 1124 2600 66 Cox Communications, Inc.
6478 1103 241 273 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
35805 470 40 5 United Telecom of Georgia
3292 450 1903 394 TDC Tele Danmark
30890 436 98 205 Evolva Telecom
702 421 1821 335 UUNET - Commercial IP service
8551 397 353 37 Bezeq International
8866 376 110 24 Bulgarian Telecommunication C
3320 363 7068 308 Deutsche Telekom AG
3301 355 1412 308 TeliaNet Sweden
3215 351 3176 108 France Telecom Transpac
12479 318 578 6 Uni2 Autonomous System
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1582 2899 233 UniNet S.A. de C.V.
10620 1003 224 131 TVCABLE BOGOTA
28573 840 674 85 NET Servicos de Comunicao S.A
7303 670 355 100 Telecom Argentina Stet-France
22047 547 302 14 VTR PUNTO NET S.A.
11830 472 308 59 Instituto Costarricense de El
6503 445 163 184 AVANTEL, S.A.
11172 444 99 69 Servicios Alestra S.A de C.V
14117 437 29 12 Telefonica del Sur S.A.
7738 431 858 29 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1018 444 8 TEDATA
24863 722 143 53 LINKdotNET AS number
36992 317 81 161 Etisalat MISR
3741 273 857 233 The Internet Solution
2018 190 197 111 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 161 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 122 7 11 Starcomms Nigeria Limited
5536 117 7 17 Internet Egypt Network
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4165 3891 302 bellsouth.net, inc.
4323 3785 1088 397 Time Warner Telecom
4766 1857 7511 473 Korea Telecom (KIX)
1785 1794 699 133 PaeTec Communications, Inc.
7018 1593 5791 1031 AT&T WorldNet Services
8151 1582 2899 233 UniNet S.A. de C.V.
20115 1544 1490 671 Charter Communications
17488 1464 144 140 Hathway IP Over Cable Interne
4755 1310 303 136 TATA Communications formerly
2386 1282 615 921 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3785 3388 Time Warner Telecom
1785 1794 1661 PaeTec Communications, Inc.
4766 1857 1384 Korea Telecom (KIX)
8151 1582 1349 UniNet S.A. de C.V.
17488 1464 1324 Hathway IP Over Cable Interne
4755 1310 1174 TATA Communications formerly
11492 1128 1114 Cable One
22773 1124 1058 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1018 1010 TEDATA
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:66 /12:183
/13:383 /14:656 /15:1242 /16:10877 /17:5080 /18:8662
/19:17764 /20:21725 /21:21659 /22:27993 /23:28180 /24:161693
/25:923 /26:1154 /27:588 /28:219 /29:9 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2723 4165 bellsouth.net, inc.
4323 2363 3785 Time Warner Telecom
4766 1474 1857 Korea Telecom (KIX)
1785 1263 1794 PaeTec Communications, Inc.
17488 1230 1464 Hathway IP Over Cable Interne
11492 1048 1128 Cable One
18566 1040 1059 Covad Communications
7018 960 1593 AT&T WorldNet Services
18101 916 1036 Reliance Infocom Ltd Internet
8452 914 1018 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:13 8:232 12:2016 13:10 15:22
16:3 17:8 20:39 24:1298 32:49 38:640
40:99 41:1910 44:3 46:1 47:30 52:6
55:2 56:2 57:23 58:631 59:644 60:445
61:1096 62:977 63:2004 64:3790 65:2355 66:4098
67:1829 68:1048 69:2839 70:689 71:228 72:1859
73:3 74:2079 75:220 76:354 77:870 78:574
79:409 80:963 81:784 82:471 83:438 84:555
85:1020 86:381 87:699 88:416 89:1547 90:65
91:2684 92:409 93:1162 94:1286 95:789 96:193
97:290 98:490 99:23 100:1 109:220 110:263
111:411 112:168 113:221 114:308 115:498 116:1125
117:600 118:382 119:809 120:141 121:835 122:1389
123:830 124:1038 125:1314 128:198 129:202 130:137
131:458 132:84 133:16 134:193 135:41 136:220
137:173 138:234 139:80 140:464 141:122 142:376
143:345 144:387 145:51 146:404 147:178 148:564
149:193 150:151 151:171 152:244 153:165 154:2
155:271 156:177 157:331 158:98 159:355 160:304
161:175 162:271 163:190 164:309 165:473 166:491
167:388 168:759 169:157 170:567 171:46 172:2
173:436 174:532 175:23 180:278 183:212 184:3
186:267 187:222 188:1259 189:601 190:3469 192:5725
193:4402 194:3350 195:2760 196:1169 198:3552 199:3395
200:5282 201:1468 202:8069 203:8312 204:3996 205:2173
206:2426 207:3051 208:3916 209:3397 210:2538 211:1178
212:1661 213:1649 214:253 215:60 216:4418 217:1477
218:481 219:443 220:1145 221:463 222:299
End of report
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