[AusNOG] [SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Nov 15 05:14:43 EST 2008
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 15 Nov, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 273747
Prefixes after maximum aggregation: 131698
Deaggregation factor: 2.08
Unique aggregates announced to Internet: 132906
Total ASes present in the Internet Routing Table: 29790
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25923
Origin ASes announcing only one prefix: 12618
Transit ASes present in the Internet Routing Table: 3867
Transit-only ASes present in the Internet Routing Table: 84
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 548
Unregistered ASNs in the Routing Table: 201
Number of 32-bit ASNs allocated by the RIRs: 63
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 210
Number of addresses announced to Internet: 1954643712
Equivalent to 116 /8s, 129 /16s and 127 /24s
Percentage of available address space announced: 52.7
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 83.7
Percentage of address space in use by end-sites: 74.3
Total number of prefixes smaller than registry allocations: 134661
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62656
Total APNIC prefixes after maximum aggregation: 23339
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 59566
Unique aggregates announced from the APNIC address blocks: 26910
APNIC Region origin ASes present in the Internet Routing Table: 3459
APNIC Prefixes per ASN: 17.22
APNIC Region origin ASes announcing only one prefix: 932
APNIC Region transit ASes present in the Internet Routing Table: 534
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 381242016
Equivalent to 22 /8s, 185 /16s and 74 /24s
Percentage of available APNIC address space announced: 75.7
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: 123986
Total ARIN prefixes after maximum aggregation: 64911
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 93363
Unique aggregates announced from the ARIN address blocks: 34747
ARIN Region origin ASes present in the Internet Routing Table: 12583
ARIN Prefixes per ASN: 7.42
ARIN Region origin ASes announcing only one prefix: 4862
ARIN Region transit ASes present in the Internet Routing Table: 1197
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 400498592
Equivalent to 23 /8s, 223 /16s and 31 /24s
Percentage of available ARIN address space announced: 82.3
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, 173/8, 174/8,
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: 60086
Total RIPE prefixes after maximum aggregation: 36115
RIPE Deaggregation factor: 1.66
Prefixes being announced from the RIPE address blocks: 55709
Unique aggregates announced from the RIPE address blocks: 37297
RIPE Region origin ASes present in the Internet Routing Table: 12184
RIPE Prefixes per ASN: 4.57
RIPE Region origin ASes announcing only one prefix: 6406
RIPE Region transit ASes present in the Internet Routing Table: 1862
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 378515552
Equivalent to 22 /8s, 143 /16s and 176 /24s
Percentage of available RIPE address space announced: 86.8
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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 22297
Total LACNIC prefixes after maximum aggregation: 5569
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 20335
Unique aggregates announced from the LACNIC address blocks: 11386
LACNIC Region origin ASes present in the Internet Routing Table: 1030
LACNIC Prefixes per ASN: 19.74
LACNIC Region origin ASes announcing only one prefix: 339
LACNIC Region transit ASes present in the Internet Routing Table: 170
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 58064256
Equivalent to 3 /8s, 117 /16s and 253 /24s
Percentage of available LACNIC address space announced: 57.7
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: 4195
Total AfriNIC prefixes after maximum aggregation: 1334
AfriNIC Deaggregation factor: 3.14
Prefixes being announced from the AfriNIC address blocks: 4466
Unique aggregates announced from the AfriNIC address blocks: 2142
AfriNIC Region origin ASes present in the Internet Routing Table: 264
AfriNIC Prefixes per ASN: 16.92
AfriNIC Region origin ASes announcing only one prefix: 79
AfriNIC Region transit ASes present in the Internet Routing Table: 52
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC addresses announced to Internet: 12920064
Equivalent to 0 /8s, 197 /16s and 37 /24s
Percentage of available AfriNIC address space announced: 25.7
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
17488 1409 99 106 Hathway IP Over Cable Interne
4755 1193 485 155 TATA Communications formerly
9583 1125 87 479 Sify Limited
4766 899 6409 363 Korea Telecom (KIX)
4134 898 13872 366 CHINANET-BACKBONE
23577 817 35 702 Korea Telecom (ATM-MPLS)
18101 786 167 31 Reliance Infocom Ltd Internet
4780 731 357 63 Digital United Inc.
9498 689 295 50 BHARTI BT INTERNET LTD.
4808 632 1172 143 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 4370 3434 344 bellsouth.net, inc.
209 3019 4032 625 Qwest
6298 2094 327 691 Cox Communicatons
1785 1696 717 155 PaeTec Communications, Inc.
6478 1664 365 196 AT&T Worldnet Services
20115 1662 1452 726 Charter Communications
2386 1591 701 901 AT&T Data Communications Serv
4323 1589 1084 377 Time Warner Telecom
7018 1406 5869 974 AT&T WorldNet Services
11492 1214 166 16 Cable One
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
3292 429 1766 380 TDC Tele Danmark
12479 366 578 6 Uni2 Autonomous System
30890 366 95 189 SC Kappa Invexim SRL
3301 333 1429 303 TeliaNet Sweden
8866 331 111 23 Bulgarian Telecommunication C
3320 322 7062 271 Deutsche Telekom AG
3215 316 2788 99 France Telecom Transpac
5462 300 794 27 Telewest Broadband
8452 293 188 11 TEDATA
25233 289 44 24 Awalnet
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 1400 2832 224 UniNet S.A. de C.V.
11830 670 299 9 Instituto Costarricense de El
10620 557 126 54 TVCABLE BOGOTA
22047 522 270 14 VTR PUNTO NET S.A.
7303 497 244 70 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 422 87 50 ENTEL CHILE S.A.
11172 406 118 72 Servicios Alestra S.A de C.V
28573 343 468 23 NET Servicos de Comunicao S.A
14117 331 23 9 Telefonica del Sur 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 560 72 45 LINKdotNET AS number
3741 271 857 227 The Internet Solution
20858 260 34 3 EgyNet
2018 238 215 140 Tertiary Education Network
29571 147 13 8 Ci Telecom Autonomous system
6713 144 135 11 Itissalat Al-MAGHRIB
33783 141 10 15 EEPAD TISP TELECOM & INTERNET
5536 119 7 22 Internet Egypt Network
33776 116 6 3 Starcomms Nigeria Limited
5713 114 555 63 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 4370 3434 344 bellsouth.net, inc.
209 3019 4032 625 Qwest
6298 2094 327 691 Cox Communicatons
1785 1696 717 155 PaeTec Communications, Inc.
6478 1664 365 196 AT&T Worldnet Services
20115 1662 1452 726 Charter Communications
2386 1591 701 901 AT&T Data Communications Serv
4323 1589 1084 377 Time Warner Telecom
17488 1409 99 106 Hathway IP Over Cable Interne
7018 1406 5869 974 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 3019 2394 Qwest
1785 1696 1541 PaeTec Communications, Inc.
6478 1664 1468 AT&T Worldnet Services
6298 2094 1403 Cox Communicatons
17488 1409 1303 Hathway IP Over Cable Interne
4323 1589 1212 Time Warner Telecom
11492 1214 1198 Cable One
8151 1400 1176 UniNet S.A. de C.V.
18566 1059 1049 Covad Communications
4755 1193 1038 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 3549 Global Crossing
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
24.52.128.0/19 22561 Digital Teleport, Inc
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
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 /9:9 /10:19 /11:53 /12:159
/13:308 /14:547 /15:1077 /16:10156 /17:4457 /18:7687
/19:16553 /20:19396 /21:19150 /22:24122 /23:24829 /24:142451
/25:841 /26:1006 /27:798 /28:93 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2858 4370 bellsouth.net, inc.
6298 2068 2094 Cox Communicatons
209 1739 3019 Qwest
2386 1270 1591 AT&T Data Communications Serv
17488 1199 1409 Hathway IP Over Cable Interne
11492 1190 1214 Cable One
1785 1158 1696 PaeTec Communications, Inc.
6478 1106 1664 AT&T Worldnet Services
18566 1040 1059 Covad Communications
9583 992 1125 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:12 8:153 12:2181 13:2 15:21
16:3 17:5 20:35 24:1088 30:1 32:61
38:512 40:92 41:781 43:1 44:2 47:12
52:3 55:3 56:3 57:27 58:515 59:550
60:452 61:1032 62:1121 63:2012 64:3280 65:2433
66:3480 67:1326 68:818 69:2351 70:888 71:138
72:2067 73:2 74:1294 75:167 76:290 77:880
78:520 79:292 80:928 81:844 82:594 83:397
84:586 85:1040 86:505 87:705 88:347 89:1357
90:27 91:1670 92:300 93:980 94:395 95:38
96:88 97:132 98:387 99:15 113:40 114:127
115:150 116:1010 117:406 118:252 119:529 120:103
121:610 122:868 123:445 124:870 125:1229 128:353
129:217 130:137 131:408 132:72 133:9 134:186
135:31 136:223 137:106 138:144 139:85 140:413
141:111 142:392 143:321 144:302 145:51 146:372
147:140 148:601 149:210 150:130 151:210 152:148
153:137 154:10 155:275 156:174 157:301 158:168
159:301 160:272 161:140 162:249 163:135 164:517
165:508 166:363 167:341 168:631 169:154 170:452
171:40 172:10 173:138 174:17 187:18 188:1
189:318 190:2390 192:5825 193:4140 194:3288 195:2626
196:1021 198:3711 199:3309 200:5509 201:1471 202:7679
203:8044 204:3930 205:2180 206:2297 207:2773 208:3727
209:3445 210:2608 211:1093 212:1547 213:1633 214:68
215:25 216:4382 217:1249 218:351 219:426 220:1059
221:419 222:303
End of report
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