[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Sep 27 04:09:23 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 27 Sep, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 269646
Prefixes after maximum aggregation: 130166
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 131386
Total ASes present in the Internet Routing Table: 29358
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25526
Origin ASes announcing only one prefix: 12442
Transit ASes present in the Internet Routing Table: 3832
Transit-only ASes present in the Internet Routing Table: 87
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 561
Unregistered ASNs in the Routing Table: 205
Number of 32-bit ASNs allocated by the RIRs: 60
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: 750
Number of addresses announced to Internet: 1908123392
Equivalent to 113 /8s, 187 /16s and 167 /24s
Percentage of available address space announced: 51.5
Percentage of allocated address space announced: 62.5
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.6
Total number of prefixes smaller than registry allocations: 132238
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62392
Total APNIC prefixes after maximum aggregation: 23007
APNIC Deaggregation factor: 2.71
Prefixes being announced from the APNIC address blocks: 59284
Unique aggregates announced from the APNIC address blocks: 26672
APNIC Region origin ASes present in the Internet Routing Table: 3394
APNIC Prefixes per ASN: 17.47
APNIC Region origin ASes announcing only one prefix: 911
APNIC Region transit ASes present in the Internet Routing Table: 540
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 377913312
Equivalent to 22 /8s, 134 /16s and 127 /24s
Percentage of available APNIC address space announced: 80.4
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: 122559
Total ARIN prefixes after maximum aggregation: 64697
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91822
Unique aggregates announced from the ARIN address blocks: 35181
ARIN Region origin ASes present in the Internet Routing Table: 12484
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4833
ARIN Region transit ASes present in the Internet Routing Table: 1194
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 364411872
Equivalent to 21 /8s, 184 /16s and 123 /24s
Percentage of available ARIN address space announced: 74.9
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: 58577
Total RIPE prefixes after maximum aggregation: 35374
RIPE Deaggregation factor: 1.66
Prefixes being announced from the RIPE address blocks: 53728
Unique aggregates announced from the RIPE address blocks: 35985
RIPE Region origin ASes present in the Internet Routing Table: 11935
RIPE Prefixes per ASN: 4.50
RIPE Region origin ASes announcing only one prefix: 6284
RIPE Region transit ASes present in the Internet Routing Table: 1823
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 373446752
Equivalent to 22 /8s, 66 /16s and 88 /24s
Percentage of available RIPE address space announced: 85.6
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: 21455
Total LACNIC prefixes after maximum aggregation: 5370
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 19570
Unique aggregates announced from the LACNIC address blocks: 11038
LACNIC Region origin ASes present in the Internet Routing Table: 1002
LACNIC Prefixes per ASN: 19.53
LACNIC Region origin ASes announcing only one prefix: 330
LACNIC Region transit ASes present in the Internet Routing Table: 170
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 56803328
Equivalent to 3 /8s, 98 /16s and 192 /24s
Percentage of available LACNIC address space announced: 56.4
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: 4103
Total AfriNIC prefixes after maximum aggregation: 1272
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4412
Unique aggregates announced from the AfriNIC address blocks: 2035
AfriNIC Region origin ASes present in the Internet Routing Table: 260
AfriNIC Prefixes per ASN: 16.97
AfriNIC Region origin ASes announcing only one prefix: 84
AfriNIC Region transit ASes present in the Internet Routing Table: 53
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 12755200
Equivalent to 0 /8s, 194 /16s and 161 /24s
Percentage of available AfriNIC address space announced: 38.0
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4755 1639 535 179 TATA Communications formerly
17488 1392 94 101 Hathway IP Over Cable Interne
9583 1109 86 475 Sify Limited
4766 876 6407 359 Korea Telecom (KIX)
4134 839 13665 343 CHINANET-BACKBONE
23577 811 34 691 Korea Telecom (ATM-MPLS)
18101 776 161 62 Reliance Infocom Ltd Internet
4780 717 353 61 Digital United Inc.
9498 679 295 56 BHARTI BT INTERNET LTD.
4808 626 1156 138 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 4293 3416 339 bellsouth.net, inc.
209 2942 4017 621 Qwest
6298 1997 318 731 Cox Communicatons
20115 1682 1421 712 Charter Communications
1785 1663 717 154 PaeTec Communications, Inc.
2386 1551 691 894 AT&T Data Communications Serv
4323 1519 1067 369 Time Warner Telecom
7018 1408 5794 978 AT&T WorldNet Services
11492 1212 152 11 Cable One
6478 1188 241 189 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
3292 423 1777 378 TDC Tele Danmark
3301 330 1428 301 TeliaNet Sweden
30890 330 87 175 SC Kappa Invexim SRL
3215 328 2756 107 France Telecom Transpac
3320 324 7063 273 Deutsche Telekom AG
8866 321 79 22 Bulgarian Telecommunication C
8452 316 188 11 TEDATA
5462 299 794 26 Telewest Broadband
8551 287 270 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
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 1412 2847 223 UniNet S.A. de C.V.
11830 668 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 492 241 70 Telecom Argentina Stet-France
10620 433 106 62 TVCABLE BOGOTA
16814 426 27 10 NSS, S.A.
6471 420 85 48 ENTEL CHILE S.A.
11172 408 118 71 Servicios Alestra S.A de C.V
28573 351 444 22 NET Servicos de Comunicao S.A
14117 343 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 543 71 41 LINKdotNET AS number
20858 401 34 3 EgyNet
3741 265 855 223 The Internet Solution
2018 232 215 139 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
5536 120 8 17 Internet Egypt Network
5713 119 555 69 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system
33783 91 10 9 EEPAD TISP TELECOM & INTERNET
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 4293 3416 339 bellsouth.net, inc.
209 2942 4017 621 Qwest
6298 1997 318 731 Cox Communicatons
20115 1682 1421 712 Charter Communications
1785 1663 717 154 PaeTec Communications, Inc.
4755 1639 535 179 TATA Communications formerly
2386 1551 691 894 AT&T Data Communications Serv
4323 1519 1067 369 Time Warner Telecom
8151 1412 2847 223 UniNet S.A. de C.V.
7018 1408 5794 978 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 2942 2321 Qwest
1785 1663 1509 PaeTec Communications, Inc.
4755 1639 1460 TATA Communications formerly
17488 1392 1291 Hathway IP Over Cable Interne
6298 1997 1266 Cox Communicatons
11492 1212 1201 Cable One
8151 1412 1189 UniNet S.A. de C.V.
4323 1519 1150 Time Warner Telecom
18566 1052 1042 Covad Communications
6478 1188 999 AT&T Worldnet Services
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
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
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
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
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.71.0/24 701 UUNET Technologies, Inc.
63.143.115.0/24 701 UUNET Technologies, Inc.
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 /10:17 /11:45 /12:147
/13:295 /14:530 /15:1062 /16:10110 /17:4400 /18:7671
/19:16306 /20:19136 /21:18667 /22:23430 /23:24514 /24:140652
/25:797 /26:967 /27:767 /28:89 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2845 4293 bellsouth.net, inc.
6298 1971 1997 Cox Communicatons
209 1702 2942 Qwest
2386 1231 1551 AT&T Data Communications Serv
17488 1199 1392 Hathway IP Over Cable Interne
11492 1188 1212 Cable One
1785 1126 1663 PaeTec Communications, Inc.
6478 1080 1188 AT&T Worldnet Services
18566 1033 1052 Covad Communications
9583 977 1109 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:139 12:2163 13:2 15:22 16:3
17:5 18:13 20:35 24:1080 32:59 38:501
40:92 41:703 43:1 44:2 47:12 52:3
55:3 56:3 57:27 58:521 59:521 60:452
61:975 62:1226 63:2035 64:3218 65:2388 66:3485
67:1262 68:790 69:2328 70:853 71:172 72:2053
73:7 74:1199 75:166 76:264 77:795 78:840
79:258 80:939 81:838 82:583 83:377 84:576
85:1003 86:398 87:717 88:338 89:1361 90:21
91:1535 92:267 93:851 94:178 96:74 97:81
98:335 99:8 113:1 114:110 115:86 116:1001
117:366 118:232 119:498 120:94 121:597 122:850
123:437 124:862 125:1196 128:358 129:201 130:134
131:413 132:70 133:9 134:177 135:32 136:224
137:96 138:142 139:91 140:507 141:103 142:408
143:302 144:326 145:51 146:370 147:159 148:521
149:209 150:128 151:181 152:149 153:136 154:10
155:281 156:173 157:301 158:168 159:306 160:268
161:138 162:254 163:154 164:516 165:503 166:367
167:332 168:634 169:143 170:447 171:33 172:10
173:34 186:1 187:16 188:1 189:312 190:2226
192:5756 193:4136 194:3256 195:2583 196:997 198:3727
199:3301 200:5508 201:1436 202:7853 203:8086 204:3949
205:2140 206:2351 207:2739 208:3643 209:3420 210:2613
211:1088 212:1466 213:1631 214:176 215:50 216:4354
217:1218 218:350 219:437 220:1064 221:418 222:287
End of report
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