[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Dec 6 05:12:27 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 06 Dec, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 274617
Prefixes after maximum aggregation: 131863
Deaggregation factor: 2.08
Unique aggregates announced to Internet: 134033
Total ASes present in the Internet Routing Table: 30011
Prefixes per ASN: 9.15
Origin-only ASes present in the Internet Routing Table: 26135
Origin ASes announcing only one prefix: 12734
Transit ASes present in the Internet Routing Table: 3876
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: 19
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 534
Unregistered ASNs in the Routing Table: 195
Number of 32-bit ASNs allocated by the RIRs: 68
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: 200
Number of addresses announced to Internet: 1966812160
Equivalent to 117 /8s, 59 /16s and 44 /24s
Percentage of available address space announced: 53.1
Percentage of allocated address space announced: 63.4
Percentage of available address space allocated: 83.7
Percentage of address space in use by end-sites: 74.5
Total number of prefixes smaller than registry allocations: 134848
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63620
Total APNIC prefixes after maximum aggregation: 23490
APNIC Deaggregation factor: 2.71
Prefixes being announced from the APNIC address blocks: 60552
Unique aggregates announced from the APNIC address blocks: 27265
APNIC Region origin ASes present in the Internet Routing Table: 3480
APNIC Prefixes per ASN: 17.40
APNIC Region origin ASes announcing only one prefix: 936
APNIC Region transit ASes present in the Internet Routing Table: 532
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 389140384
Equivalent to 23 /8s, 49 /16s and 207 /24s
Percentage of available APNIC address space announced: 77.3
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: 122610
Total ARIN prefixes after maximum aggregation: 64581
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 91825
Unique aggregates announced from the ARIN address blocks: 34855
ARIN Region origin ASes present in the Internet Routing Table: 12643
ARIN Prefixes per ASN: 7.26
ARIN Region origin ASes announcing only one prefix: 4889
ARIN Region transit ASes present in the Internet Routing Table: 1208
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 402463648
Equivalent to 23 /8s, 253 /16s and 27 /24s
Percentage of available ARIN address space announced: 82.7
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: 60947
Total RIPE prefixes after maximum aggregation: 36408
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56539
Unique aggregates announced from the RIPE address blocks: 37707
RIPE Region origin ASes present in the Internet Routing Table: 12303
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 6487
RIPE Region transit ASes present in the Internet Routing Table: 1870
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 381049312
Equivalent to 22 /8s, 182 /16s and 89 /24s
Percentage of available RIPE address space announced: 87.4
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: 22671
Total LACNIC prefixes after maximum aggregation: 5602
LACNIC Deaggregation factor: 4.05
Prefixes being announced from the LACNIC address blocks: 20708
Unique aggregates announced from the LACNIC address blocks: 11532
LACNIC Region origin ASes present in the Internet Routing Table: 1039
LACNIC Prefixes per ASN: 19.93
LACNIC Region origin ASes announcing only one prefix: 337
LACNIC Region transit ASes present in the Internet Routing Table: 166
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 58495360
Equivalent to 3 /8s, 124 /16s and 145 /24s
Percentage of available LACNIC address space announced: 58.1
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: 4257
Total AfriNIC prefixes after maximum aggregation: 1360
AfriNIC Deaggregation factor: 3.13
Prefixes being announced from the AfriNIC address blocks: 4568
Unique aggregates announced from the AfriNIC address blocks: 2187
AfriNIC Region origin ASes present in the Internet Routing Table: 274
AfriNIC Prefixes per ASN: 16.67
AfriNIC Region origin ASes announcing only one prefix: 85
AfriNIC Region transit ASes present in the Internet Routing Table: 54
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 13034240
Equivalent to 0 /8s, 198 /16s and 227 /24s
Percentage of available AfriNIC address space announced: 25.9
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 1443 101 105 Hathway IP Over Cable Interne
4766 1340 6409 364 Korea Telecom (KIX)
4755 1169 474 153 TATA Communications formerly
9583 1140 88 486 Sify Limited
4134 907 15509 355 CHINANET-BACKBONE
23577 813 34 692 Korea Telecom (ATM-MPLS)
18101 785 168 33 Reliance Infocom Ltd Internet
4780 727 357 63 Digital United Inc.
9498 694 295 50 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 4374 3434 344 bellsouth.net, inc.
209 2982 4031 619 Qwest
20115 1848 1466 745 Charter Communications
1785 1703 717 155 PaeTec Communications, Inc.
6478 1601 367 285 AT&T Worldnet Services
4323 1600 1068 383 Time Warner Telecom
2386 1589 699 897 AT&T Data Communications Serv
7018 1429 5872 989 AT&T WorldNet Services
11492 1222 192 12 Cable One
3356 1099 10991 428 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
3292 433 1765 383 TDC Tele Danmark
30890 377 79 194 SC Kappa Invexim SRL
12479 373 578 6 Uni2 Autonomous System
3301 335 1413 304 TeliaNet Sweden
8866 331 109 22 Bulgarian Telecommunication C
29049 331 26 3 AzerSat LLC.
3320 329 7064 278 Deutsche Telekom AG
8452 322 188 11 TEDATA
3215 314 2776 97 France Telecom Transpac
8551 303 286 36 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 1396 2832 220 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
10620 602 132 43 TVCABLE BOGOTA
22047 553 270 14 VTR PUNTO NET S.A.
7303 502 248 74 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 425 88 50 ENTEL CHILE S.A.
11172 402 118 72 Servicios Alestra S.A de C.V
28573 358 487 25 NET Servicos de Comunicao S.A
14117 333 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 575 73 43 LINKdotNET AS number
3741 270 857 227 The Internet Solution
20858 265 34 3 EgyNet
2018 239 215 140 Tertiary Education Network
6713 144 135 11 Itissalat Al-MAGHRIB
33783 143 10 17 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 119 555 68 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
29571 113 15 8 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 4374 3434 344 bellsouth.net, inc.
209 2982 4031 619 Qwest
20115 1848 1466 745 Charter Communications
1785 1703 717 155 PaeTec Communications, Inc.
6478 1601 367 285 AT&T Worldnet Services
4323 1600 1068 383 Time Warner Telecom
2386 1589 699 897 AT&T Data Communications Serv
17488 1443 101 105 Hathway IP Over Cable Interne
7018 1429 5872 989 AT&T WorldNet Services
8151 1396 2832 220 UniNet S.A. de C.V.
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2982 2363 Qwest
1785 1703 1548 PaeTec Communications, Inc.
17488 1443 1338 Hathway IP Over Cable Interne
6478 1601 1316 AT&T Worldnet Services
4323 1600 1217 Time Warner Telecom
11492 1222 1210 Cable One
8151 1396 1176 UniNet S.A. de C.V.
20115 1848 1103 Charter Communications
18566 1059 1049 Covad Communications
4755 1169 1016 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
24.75.116.0/22 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
63.143.251.0/24 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 /11:55 /12:157
/13:307 /14:553 /15:1076 /16:10193 /17:4476 /18:7742
/19:16581 /20:19512 /21:18966 /22:24124 /23:24670 /24:143313
/25:883 /26:1039 /27:809 /28:98 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2858 4374 bellsouth.net, inc.
209 1705 2982 Qwest
2386 1270 1589 AT&T Data Communications Serv
17488 1232 1443 Hathway IP Over Cable Interne
11492 1197 1222 Cable One
1785 1163 1703 PaeTec Communications, Inc.
6478 1126 1601 AT&T Worldnet Services
4766 1083 1340 Korea Telecom (KIX)
18566 1040 1059 Covad Communications
9583 1004 1140 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:161 12:2218 13:2 15:21 16:3
17:5 20:36 24:1105 32:54 38:519 40:92
41:811 43:1 44:2 47:7 52:3 55:3
56:3 57:26 58:502 59:577 60:447 61:1053
62:1121 63:2012 64:3303 65:2446 66:3530 67:1421
68:652 69:2360 70:523 71:171 72:1596 73:7
74:1319 75:183 76:297 77:903 78:516 79:295
80:938 81:867 82:580 83:410 84:587 85:1046
86:505 87:652 88:354 89:1417 90:43 91:1757
92:325 93:1049 94:775 95:50 96:91 97:140
98:165 99:9 100:1 110:1 111:1 113:41
114:134 115:166 116:1045 117:412 118:267 119:555
120:105 121:691 122:895 123:451 124:857 125:1269
128:359 129:219 130:136 131:409 132:72 133:9
134:190 135:31 136:225 137:123 138:144 139:86
140:415 141:112 142:375 143:338 144:318 145:52
146:373 147:142 148:605 149:212 150:142 151:210
152:140 153:131 154:10 155:251 156:165 157:304
158:166 159:299 160:273 161:131 162:252 163:136
164:509 165:503 166:360 167:350 168:659 169:160
170:462 171:40 172:10 173:123 174:10 187:14
188:1 189:328 190:2469 192:5823 193:4144 194:3292
195:2643 196:1043 198:3720 199:3329 200:5536 201:1496
202:7833 203:8018 204:3943 205:2195 206:2301 207:2763
208:3761 209:3449 210:2716 211:1138 212:1552 213:1671
214:75 215:25 216:4387 217:1244 218:358 219:408
220:1172 221:470 222:286
End of report
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