[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Nov 1 05:10:43 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 01 Nov, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 272468
Prefixes after maximum aggregation: 131440
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 132812
Total ASes present in the Internet Routing Table: 29655
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25822
Origin ASes announcing only one prefix: 12567
Transit ASes present in the Internet Routing Table: 3833
Transit-only ASes present in the Internet Routing Table: 79
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: 551
Unregistered ASNs in the Routing Table: 198
Number of 32-bit ASNs allocated by the RIRs: 61
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: 198
Number of addresses announced to Internet: 1919227072
Equivalent to 114 /8s, 101 /16s and 20 /24s
Percentage of available address space announced: 51.8
Percentage of allocated address space announced: 62.5
Percentage of available address space allocated: 82.8
Percentage of address space in use by end-sites: 74.0
Total number of prefixes smaller than registry allocations: 134099
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62538
Total APNIC prefixes after maximum aggregation: 23309
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 59466
Unique aggregates announced from the APNIC address blocks: 26845
APNIC Region origin ASes present in the Internet Routing Table: 3429
APNIC Prefixes per ASN: 17.34
APNIC Region origin ASes announcing only one prefix: 920
APNIC Region transit ASes present in the Internet Routing Table: 532
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 380054176
Equivalent to 22 /8s, 167 /16s and 42 /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
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: 123152
Total ARIN prefixes after maximum aggregation: 64896
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 92700
Unique aggregates announced from the ARIN address blocks: 35162
ARIN Region origin ASes present in the Internet Routing Table: 12558
ARIN Prefixes per ASN: 7.38
ARIN Region origin ASes announcing only one prefix: 4858
ARIN Region transit ASes present in the Internet Routing Table: 1191
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 368557728
Equivalent to 21 /8s, 247 /16s and 190 /24s
Percentage of available ARIN address space announced: 75.8
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: 59984
Total RIPE prefixes after maximum aggregation: 35947
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 55619
Unique aggregates announced from the RIPE address blocks: 37167
RIPE Region origin ASes present in the Internet Routing Table: 12115
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6369
RIPE Region transit ASes present in the Internet Routing Table: 1838
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 377144224
Equivalent to 22 /8s, 122 /16s and 195 /24s
Percentage of available RIPE address space announced: 86.5
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: 22123
Total LACNIC prefixes after maximum aggregation: 5537
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 20171
Unique aggregates announced from the LACNIC address blocks: 11290
LACNIC Region origin ASes present in the Internet Routing Table: 1025
LACNIC Prefixes per ASN: 19.68
LACNIC Region origin ASes announcing only one prefix: 340
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: 57602048
Equivalent to 3 /8s, 110 /16s and 240 /24s
Percentage of available LACNIC address space announced: 57.2
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: 4130
Total AfriNIC prefixes after maximum aggregation: 1325
AfriNIC Deaggregation factor: 3.12
Prefixes being announced from the AfriNIC address blocks: 4420
Unique aggregates announced from the AfriNIC address blocks: 2125
AfriNIC Region origin ASes present in the Internet Routing Table: 264
AfriNIC Prefixes per ASN: 16.74
AfriNIC Region origin ASes announcing only one prefix: 80
AfriNIC Region transit ASes present in the Internet Routing Table: 52
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC addresses announced to Internet: 12880640
Equivalent to 0 /8s, 196 /16s and 139 /24s
Percentage of available AfriNIC address space announced: 25.6
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
4755 1494 522 200 TATA Communications formerly
17488 1403 97 102 Hathway IP Over Cable Interne
9583 1110 87 475 Sify Limited
4766 883 6408 363 Korea Telecom (KIX)
4134 869 13760 355 CHINANET-BACKBONE
23577 816 35 701 Korea Telecom (ATM-MPLS)
18101 782 161 67 Reliance Infocom Ltd Internet
4780 724 357 63 Digital United Inc.
9498 692 295 54 BHARTI BT INTERNET LTD.
4808 627 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 3416 339 bellsouth.net, inc.
209 3051 4035 622 Qwest
6298 2047 323 683 Cox Communicatons
1785 1692 717 154 PaeTec Communications, Inc.
20115 1655 1441 723 Charter Communications
2386 1588 699 896 AT&T Data Communications Serv
4323 1567 1084 376 Time Warner Telecom
7018 1415 5872 981 AT&T WorldNet Services
6478 1370 289 209 AT&T Worldnet Services
11492 1211 152 11 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 432 1777 384 TDC Tele Danmark
30890 348 94 188 SC Kappa Invexim SRL
8866 330 111 23 Bulgarian Telecommunication C
3301 329 1428 300 TeliaNet Sweden
3215 328 2756 106 France Telecom Transpac
3320 326 7063 275 Deutsche Telekom AG
8452 322 188 11 TEDATA
5462 300 794 27 Telewest Broadband
25233 296 45 28 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 2833 220 UniNet S.A. de C.V.
11830 670 299 9 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
10620 545 126 59 TVCABLE BOGOTA
7303 494 243 70 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 419 85 48 ENTEL CHILE S.A.
11172 407 118 72 Servicios Alestra S.A de C.V
28573 338 464 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 545 72 43 LINKdotNET AS number
3741 269 856 225 The Internet Solution
20858 259 34 3 EgyNet
2018 236 215 139 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 138 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
33776 116 6 3 Starcomms Nigeria Limited
5713 114 555 63 Telkom SA Ltd
29571 113 13 9 Ci Telecom Autonomous system
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 3416 339 bellsouth.net, inc.
209 3051 4035 622 Qwest
6298 2047 323 683 Cox Communicatons
1785 1692 717 154 PaeTec Communications, Inc.
20115 1655 1441 723 Charter Communications
2386 1588 699 896 AT&T Data Communications Serv
4323 1567 1084 376 Time Warner Telecom
4755 1494 522 200 TATA Communications formerly
7018 1415 5872 981 AT&T WorldNet Services
17488 1403 97 102 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 3051 2429 Qwest
1785 1692 1538 PaeTec Communications, Inc.
6298 2047 1364 Cox Communicatons
17488 1403 1301 Hathway IP Over Cable Interne
4755 1494 1294 TATA Communications formerly
11492 1211 1200 Cable One
4323 1567 1191 Time Warner Telecom
8151 1400 1180 UniNet S.A. de C.V.
6478 1370 1161 AT&T Worldnet Services
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
24.142.40.0/21 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
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 /10:18 /11:46 /12:149
/13:298 /14:538 /15:1066 /16:10138 /17:4406 /18:7655
/19:16460 /20:19364 /21:18859 /22:23884 /23:24861 /24:141928
/25:819 /26:1007 /27:839 /28:89 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2852 4356 bellsouth.net, inc.
6298 2021 2047 Cox Communicatons
209 1767 3051 Qwest
2386 1270 1588 AT&T Data Communications Serv
17488 1194 1403 Hathway IP Over Cable Interne
11492 1187 1211 Cable One
1785 1155 1692 PaeTec Communications, Inc.
6478 1105 1370 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 8:140 12:2176 13:2 15:21 16:3
17:5 20:35 24:1082 32:50 38:515 40:92
41:748 43:1 44:2 47:13 52:3 55:3
56:3 57:26 58:511 59:530 60:452 61:1024
62:1139 63:2019 64:3267 65:2429 66:3497 67:1288
68:802 69:2337 70:875 71:138 72:2054 73:7
74:1273 75:168 76:284 77:940 78:631 79:282
80:937 81:870 82:609 83:395 84:583 85:1069
86:507 87:719 88:346 89:1365 90:22 91:1647
92:291 93:947 94:268 95:4 96:80 97:121
98:370 99:14 113:38 114:113 115:137 116:1000
117:385 118:239 119:503 120:98 121:613 122:854
123:461 124:853 125:1222 128:354 129:207 130:135
131:421 132:72 133:9 134:187 135:31 136:218
137:99 138:146 139:82 140:412 141:105 142:390
143:298 144:325 145:51 146:374 147:141 148:531
149:212 150:128 151:208 152:145 153:135 154:10
155:280 156:174 157:302 158:169 159:302 160:273
161:139 162:255 163:135 164:519 165:503 166:363
167:339 168:631 169:155 170:450 171:40 172:10
173:66 187:18 188:1 189:298 190:2332 192:5761
193:4150 194:3282 195:2645 196:1018 198:3706 199:3280
200:5551 201:1469 202:7778 203:8038 204:3928 205:2170
206:2294 207:2769 208:3734 209:3441 210:2579 211:1089
212:1532 213:1635 214:67 215:25 216:4422 217:1261
218:348 219:440 220:1060 221:416 222:301
End of report
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