[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Nov 8 05:11:43 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 08 Nov, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 272998
Prefixes after maximum aggregation: 131801
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 133598
Total ASes present in the Internet Routing Table: 29730
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25883
Origin ASes announcing only one prefix: 12609
Transit ASes present in the Internet Routing Table: 3847
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: 18
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 574
Unregistered ASNs in the Routing Table: 202
Number of 32-bit ASNs allocated by the RIRs: 62
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 202
Number of addresses announced to Internet: 1920631360
Equivalent to 114 /8s, 122 /16s and 130 /24s
Percentage of available address space announced: 51.8
Percentage of allocated address space announced: 62.6
Percentage of available address space allocated: 82.8
Percentage of address space in use by end-sites: 74.2
Total number of prefixes smaller than registry allocations: 134144
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62514
Total APNIC prefixes after maximum aggregation: 23424
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 59420
Unique aggregates announced from the APNIC address blocks: 26950
APNIC Region origin ASes present in the Internet Routing Table: 3452
APNIC Prefixes per ASN: 17.21
APNIC Region origin ASes announcing only one prefix: 932
APNIC Region transit ASes present in the Internet Routing Table: 535
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 380616864
Equivalent to 22 /8s, 175 /16s and 192 /24s
Percentage of available APNIC address space announced: 81.0
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, 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: 123687
Total ARIN prefixes after maximum aggregation: 64998
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 93211
Unique aggregates announced from the ARIN address blocks: 35626
ARIN Region origin ASes present in the Internet Routing Table: 12572
ARIN Prefixes per ASN: 7.41
ARIN Region origin ASes announcing only one prefix: 4862
ARIN Region transit ASes present in the Internet Routing Table: 1198
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 368498336
Equivalent to 21 /8s, 246 /16s and 214 /24s
Percentage of available ARIN address space announced: 75.7
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: 59832
Total RIPE prefixes after maximum aggregation: 36005
RIPE Deaggregation factor: 1.66
Prefixes being announced from the RIPE address blocks: 55490
Unique aggregates announced from the RIPE address blocks: 37170
RIPE Region origin ASes present in the Internet Routing Table: 12142
RIPE Prefixes per ASN: 4.57
RIPE Region origin ASes announcing only one prefix: 6395
RIPE Region transit ASes present in the Internet Routing Table: 1842
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 377756960
Equivalent to 22 /8s, 132 /16s and 29 /24s
Percentage of available RIPE address space announced: 86.6
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: 22261
Total LACNIC prefixes after maximum aggregation: 5619
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 20244
Unique aggregates announced from the LACNIC address blocks: 11339
LACNIC Region origin ASes present in the Internet Routing Table: 1028
LACNIC Prefixes per ASN: 19.69
LACNIC Region origin ASes announcing only one prefix: 338
LACNIC Region transit ASes present in the Internet Routing Table: 169
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 57736192
Equivalent to 3 /8s, 112 /16s and 252 /24s
Percentage of available LACNIC address space announced: 57.4
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: 4151
Total AfriNIC prefixes after maximum aggregation: 1323
AfriNIC Deaggregation factor: 3.14
Prefixes being announced from the AfriNIC address blocks: 4434
Unique aggregates announced from the AfriNIC address blocks: 2165
AfriNIC Region origin ASes present in the Internet Routing Table: 266
AfriNIC Prefixes per ASN: 16.67
AfriNIC Region origin ASes announcing only one prefix: 82
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: 16
Number of AfriNIC addresses announced to Internet: 12919552
Equivalent to 0 /8s, 197 /16s and 35 /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 99 102 Hathway IP Over Cable Interne
4755 1310 516 177 TATA Communications formerly
9583 1110 87 476 Sify Limited
4766 886 6409 364 Korea Telecom (KIX)
4134 878 13772 361 CHINANET-BACKBONE
23577 815 35 700 Korea Telecom (ATM-MPLS)
18101 783 161 67 Reliance Infocom Ltd Internet
4780 727 357 63 Digital United Inc.
9498 694 295 54 BHARTI BT INTERNET LTD.
4808 630 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 4356 3417 340 bellsouth.net, inc.
209 3042 4035 623 Qwest
6298 2079 326 690 Cox Communicatons
1785 1693 717 154 PaeTec Communications, Inc.
20115 1660 1452 725 Charter Communications
6478 1650 363 193 AT&T Worldnet Services
2386 1587 700 898 AT&T Data Communications Serv
4323 1575 1084 377 Time Warner Telecom
7018 1402 5869 970 AT&T WorldNet Services
11492 1210 149 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 381 TDC Tele Danmark
30890 348 94 188 SC Kappa Invexim SRL
3301 332 1429 303 TeliaNet Sweden
3215 331 2788 99 France Telecom Transpac
8866 331 111 23 Bulgarian Telecommunication C
3320 326 7063 275 Deutsche Telekom AG
8452 325 188 11 TEDATA
5462 300 794 27 Telewest Broadband
25233 289 44 24 Awalnet
8551 287 270 37 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 1400 2848 218 UniNet S.A. de C.V.
11830 670 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
10620 545 126 59 TVCABLE BOGOTA
7303 494 243 69 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 420 85 49 ENTEL CHILE S.A.
11172 405 118 72 Servicios Alestra S.A de C.V
28573 341 468 23 NET Servicos de Comunicao S.A
14117 330 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 562 73 45 LINKdotNET AS number
3741 270 856 226 The Internet Solution
20858 256 34 3 EgyNet
2018 238 215 140 Tertiary Education Network
6713 142 135 11 Itissalat Al-MAGHRIB
33783 141 10 15 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 114 555 63 Telkom SA Ltd
29571 113 13 9 Ci Telecom Autonomous system
33776 109 6 3 Starcomms Nigeria Limited
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 4356 3417 340 bellsouth.net, inc.
209 3042 4035 623 Qwest
6298 2079 326 690 Cox Communicatons
1785 1693 717 154 PaeTec Communications, Inc.
20115 1660 1452 725 Charter Communications
6478 1650 363 193 AT&T Worldnet Services
2386 1587 700 898 AT&T Data Communications Serv
4323 1575 1084 377 Time Warner Telecom
17488 1409 99 102 Hathway IP Over Cable Interne
7018 1402 5869 970 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 3042 2419 Qwest
1785 1693 1539 PaeTec Communications, Inc.
6478 1650 1457 AT&T Worldnet Services
6298 2079 1389 Cox Communicatons
17488 1409 1307 Hathway IP Over Cable Interne
4323 1575 1198 Time Warner Telecom
11492 1210 1194 Cable One
8151 1400 1182 UniNet S.A. de C.V.
4755 1310 1133 TATA Communications formerly
18566 1059 1049 Covad Communications
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
24.75.116.0/22 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
41.191.124.0/22 2905 Verizon South Africa
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 /8:18 /9:9 /10:18 /11:46 /12:149
/13:298 /14:538 /15:1067 /16:10137 /17:4427 /18:7668
/19:16493 /20:19336 /21:19024 /22:24005 /23:24859 /24:142112
/25:840 /26:1017 /27:832 /28:88 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2851 4356 bellsouth.net, inc.
6298 2053 2079 Cox Communicatons
209 1756 3042 Qwest
2386 1269 1587 AT&T Data Communications Serv
17488 1198 1409 Hathway IP Over Cable Interne
11492 1187 1210 Cable One
1785 1156 1693 PaeTec Communications, Inc.
6478 1105 1650 AT&T Worldnet Services
18566 1040 1059 Covad Communications
9583 977 1110 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:154 12:2178 13:2 15:21 16:3
17:5 20:35 24:1087 32:54 38:518 40:92
41:775 43:1 44:2 47:13 52:3 55:3
56:3 57:26 58:516 59:533 60:452 61:1032
62:1139 63:2009 64:3277 65:2428 66:3501 67:1313
68:808 69:2331 70:878 71:137 72:2065 73:7
74:1276 75:167 76:290 77:878 78:517 79:282
80:924 81:865 82:609 83:397 84:584 85:1025
86:509 87:704 88:347 89:1353 90:25 91:1661
92:288 93:963 94:326 95:34 96:86 97:128
98:386 99:15 113:40 114:119 115:144 116:1005
117:402 118:241 119:516 120:102 121:609 122:855
123:444 124:861 125:1226 128:353 129:217 130:135
131:407 132:72 133:9 134:186 135:31 136:224
137:102 138:145 139:83 140:414 141:111 142:391
143:298 144:302 145:52 146:373 147:140 148:605
149:211 150:129 151:208 152:150 153:136 154:10
155:274 156:174 157:302 158:168 159:282 160:273
161:140 162:247 163:135 164:518 165:503 166:361
167:341 168:630 169:155 170:454 171:40 172:10
173:129 174:1 187:18 188:1 189:308 190:2373
192:5825 193:4153 194:3291 195:2639 196:1018 198:3717
199:3308 200:5551 201:1479 202:7672 203:8036 204:3927
205:2189 206:2310 207:2772 208:3717 209:3459 210:2589
211:1093 212:1537 213:1631 214:69 215:25 216:4355
217:1252 218:351 219:421 220:1059 221:418 222:302
End of report
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