[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 20 18:18:28 UTC 2009
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 21 Feb, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 280761
Prefixes after maximum aggregation: 133516
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 137721
Total ASes present in the Internet Routing Table: 30639
Prefixes per ASN: 9.16
Origin-only ASes present in the Internet Routing Table: 26668
Origin ASes announcing only one prefix: 12988
Transit ASes present in the Internet Routing Table: 3971
Transit-only ASes present in the Internet Routing Table: 90
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (18678) 21
Prefixes from unregistered ASNs in the Routing Table: 529
Unregistered ASNs in the Routing Table: 177
Number of 32-bit ASNs allocated by the RIRs: 104
Prefixes from 32-bit ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 215
Number of addresses announced to Internet: 2007408064
Equivalent to 119 /8s, 166 /16s and 157 /24s
Percentage of available address space announced: 54.2
Percentage of allocated address space announced: 63.3
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 75.8
Total number of prefixes smaller than registry allocations: 137856
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 64873
Total APNIC prefixes after maximum aggregation: 23232
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 61716
Unique aggregates announced from the APNIC address blocks: 28187
APNIC Region origin ASes present in the Internet Routing Table: 3534
APNIC Prefixes per ASN: 17.46
APNIC Region origin ASes announcing only one prefix: 956
APNIC Region transit ASes present in the Internet Routing Table: 545
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 402566816
Equivalent to 23 /8s, 254 /16s and 174 /24s
Percentage of available APNIC address space announced: 80.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 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,
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: 123836
Total ARIN prefixes after maximum aggregation: 65380
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 93252
Unique aggregates announced from the ARIN address blocks: 35691
ARIN Region origin ASes present in the Internet Routing Table: 12801
ARIN Prefixes per ASN: 7.28
ARIN Region origin ASes announcing only one prefix: 4933
ARIN Region transit ASes present in the Internet Routing Table: 1228
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 416103232
Equivalent to 24 /8s, 205 /16s and 59 /24s
Percentage of available ARIN address space announced: 80.0
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
ARIN Address Blocks 24/8, 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, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 63670
Total RIPE prefixes after maximum aggregation: 37387
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 58308
Unique aggregates announced from the RIPE address blocks: 38867
RIPE Region origin ASes present in the Internet Routing Table: 12697
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6673
RIPE Region transit ASes present in the Internet Routing Table: 1925
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 389410528
Equivalent to 23 /8s, 53 /16s and 238 /24s
Percentage of available RIPE address space announced: 82.9
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, 47104-49151
RIPE Address Blocks 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: 23309
Total LACNIC prefixes after maximum aggregation: 5718
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 21488
Unique aggregates announced from the LACNIC address blocks: 11883
LACNIC Region origin ASes present in the Internet Routing Table: 1069
LACNIC Prefixes per ASN: 20.10
LACNIC Region origin ASes announcing only one prefix: 341
LACNIC Region transit ASes present in the Internet Routing Table: 178
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 61081728
Equivalent to 3 /8s, 164 /16s and 8 /24s
Percentage of available LACNIC address space announced: 60.7
LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4576
Total AfriNIC prefixes after maximum aggregation: 1392
AfriNIC Deaggregation factor: 3.29
Prefixes being announced from the AfriNIC address blocks: 4305
Unique aggregates announced from the AfriNIC address blocks: 1401
AfriNIC Region origin ASes present in the Internet Routing Table: 284
AfriNIC Prefixes per ASN: 15.16
AfriNIC Region origin ASes announcing only one prefix: 85
AfriNIC Region transit ASes present in the Internet Routing Table: 55
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 10027520
Equivalent to 0 /8s, 153 /16s and 2 /24s
Percentage of available AfriNIC address space announced: 29.9
AfriNIC AS Blocks 36864-37887 & 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 1684 6928 395 Korea Telecom (KIX)
17488 1527 114 99 Hathway IP Over Cable Interne
4755 1211 429 178 TATA Communications formerly
9583 1092 86 518 Sify Limited
4134 927 16255 368 CHINANET-BACKBONE
18101 752 198 25 Reliance Infocom Ltd Internet
7545 726 158 98 TPG Internet Pty Ltd
9498 682 297 52 BHARTI BT INTERNET LTD.
24560 673 228 174 Bharti Airtel Ltd.
9829 638 491 19 BSNL National Internet Backbo
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 4368 3688 341 bellsouth.net, inc.
209 2833 4163 616 Qwest
4323 1775 1081 377 Time Warner Telecom
1785 1748 733 139 PaeTec Communications, Inc.
20115 1583 1421 718 Charter Communications
7018 1446 5879 1009 AT&T WorldNet Services
2386 1265 715 904 AT&T Data Communications Serv
6478 1250 299 506 AT&T Worldnet Services
11492 1202 192 12 Cable One
3356 1138 10976 440 Level 3 Communications, LLC
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
8452 1225 188 7 TEDATA
30890 445 88 202 SC Kappa Invexim SRL
3292 443 1762 388 TDC Tele Danmark
12479 397 578 6 Uni2 Autonomous System
3320 341 7065 291 Deutsche Telekom AG
3301 338 1669 304 TeliaNet Sweden
8866 336 109 22 Bulgarian Telecommunication C
3215 331 2946 103 France Telecom Transpac
29049 328 26 3 AzerSat LLC.
8551 312 288 40 Bezeq International
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 1478 2831 230 UniNet S.A. de C.V.
10620 760 166 93 TVCABLE BOGOTA
11830 694 299 9 Instituto Costarricense de El
22047 605 302 14 VTR PUNTO NET S.A.
7303 511 255 80 Telecom Argentina Stet-France
6471 438 95 42 ENTEL CHILE S.A.
16814 427 27 11 NSS, S.A.
11172 405 118 75 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
28573 370 506 23 NET Servicos de Comunicao 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
24863 665 74 38 LINKdotNET AS number
20858 290 34 3 This AS will be used to conne
3741 271 857 229 The Internet Solution
2018 242 215 142 Tertiary Education Network
33783 150 10 8 EEPAD TISP TELECOM & INTERNET
6713 144 135 11 Itissalat Al-MAGHRIB
29571 128 15 8 Ci Telecom Autonomous system
5536 119 7 20 Internet Egypt Network
33776 118 6 3 Starcomms Nigeria Limited
5713 117 523 65 Telkom SA Ltd
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 4368 3688 341 bellsouth.net, inc.
209 2833 4163 616 Qwest
4323 1775 1081 377 Time Warner Telecom
1785 1748 733 139 PaeTec Communications, Inc.
4766 1684 6928 395 Korea Telecom (KIX)
20115 1583 1421 718 Charter Communications
17488 1527 114 99 Hathway IP Over Cable Interne
8151 1478 2831 230 UniNet S.A. de C.V.
7018 1446 5879 1009 AT&T WorldNet Services
2386 1265 715 904 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
209 2833 2217 Qwest
1785 1748 1609 PaeTec Communications, Inc.
17488 1527 1428 Hathway IP Over Cable Interne
4323 1775 1398 Time Warner Telecom
4766 1684 1289 Korea Telecom (KIX)
8151 1478 1248 UniNet S.A. de C.V.
8452 1225 1218 TEDATA
11492 1202 1190 Cable One
18566 1061 1051 Covad Communications
4755 1211 1033 TATA Communications formerly
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
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.220.16.0/20 8668 TelOne Zimbabwe P/L
41.223.112.0/22 5713 Telkom SA Ltd
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /8:19 /9:10 /10:20 /11:55 /12:162
/13:316 /14:577 /15:1125 /16:10341 /17:4586 /18:7895
/19:16958 /20:19936 /21:19594 /22:24758 /23:25089 /24:147061
/25:695 /26:856 /27:595 /28:97 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2846 4368 bellsouth.net, inc.
209 1571 2833 Qwest
4766 1392 1684 Korea Telecom (KIX)
17488 1305 1527 Hathway IP Over Cable Interne
8452 1204 1225 TEDATA
11492 1162 1202 Cable One
1785 1154 1748 PaeTec Communications, Inc.
18566 1042 1061 Covad Communications
2386 954 1265 AT&T Data Communications Serv
9583 944 1092 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:180 12:2206 13:2 15:21 16:3
17:4 20:35 24:1114 32:51 38:545 40:96
41:1960 43:1 44:2 47:11 52:3 55:2
56:3 57:25 58:531 59:614 60:458 61:1099
62:1146 63:1994 64:3542 65:2424 66:3538 67:1474
68:656 69:2480 70:508 71:159 72:1608 73:2
74:1428 75:201 76:306 77:779 78:540 79:326
80:969 81:832 82:547 83:406 84:600 85:994
86:397 87:624 88:350 89:1403 90:42 91:1985
92:277 93:1086 94:1102 95:446 96:90 97:180
98:189 99:16 109:1 112:77 113:76 114:208
115:221 116:1132 117:493 118:284 119:640 120:134
121:704 122:961 123:523 124:858 125:1278 128:221
129:222 130:134 131:411 132:73 133:9 134:339
135:37 136:223 137:139 138:145 139:79 140:417
141:105 142:381 143:324 144:321 145:40 146:373
147:151 148:534 149:230 150:141 151:198 152:152
153:132 154:10 155:260 156:171 157:291 158:149
159:240 160:280 161:138 162:274 163:144 164:516
165:503 166:274 167:352 168:682 169:162 170:469
171:39 172:10 173:216 174:68 178:1 186:5
187:48 189:298 190:2589 192:5811 193:4210 194:3333
195:2698 196:1067 198:3702 199:3286 200:5526 201:1487
202:7797 203:8062 204:3934 205:2172 206:2346 207:2792
208:3835 209:3475 210:2637 211:1125 212:1489 213:1707
214:65 215:30 216:4551 217:1213 218:372 219:408
220:1219 221:462 222:315
End of report
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