[afnog] [SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 26 18:12:22 UTC 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 Dec, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 275775
Prefixes after maximum aggregation: 131490
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 133298
Total ASes present in the Internet Routing Table: 30186
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 26269
Origin ASes announcing only one prefix: 12810
Transit ASes present in the Internet Routing Table: 3917
Transit-only ASes present in the Internet Routing Table: 98
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 524
Unregistered ASNs in the Routing Table: 195
Number of 32-bit ASNs allocated by the RIRs: 70
Prefixes from 32-bit ASNs in the Routing Table: 12
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 211
Number of addresses announced to Internet: 1979718688
Equivalent to 118 /8s, 0 /16s and 28 /24s
Percentage of available address space announced: 53.4
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 84.6
Percentage of address space in use by end-sites: 75.0
Total number of prefixes smaller than registry allocations: 135418
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63555
Total APNIC prefixes after maximum aggregation: 22690
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 60451
Unique aggregates announced from the APNIC address blocks: 26032
APNIC Region origin ASes present in the Internet Routing Table: 3500
APNIC Prefixes per ASN: 17.27
APNIC Region origin ASes announcing only one prefix: 959
APNIC Region transit ASes present in the Internet Routing Table: 537
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 394956192
Equivalent to 23 /8s, 138 /16s and 141 /24s
Percentage of available APNIC address space announced: 78.5
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: 123300
Total ARIN prefixes after maximum aggregation: 64626
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 92403
Unique aggregates announced from the ARIN address blocks: 35088
ARIN Region origin ASes present in the Internet Routing Table: 12672
ARIN Prefixes per ASN: 7.29
ARIN Region origin ASes announcing only one prefix: 4886
ARIN Region transit ASes present in the Internet Routing Table: 1215
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 405361440
Equivalent to 24 /8s, 41 /16s and 83 /24s
Percentage of available ARIN address space announced: 77.9
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, 108/8, 173/8,
174/8, 184/8, 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: 61339
Total RIPE prefixes after maximum aggregation: 36726
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56967
Unique aggregates announced from the RIPE address blocks: 37920
RIPE Region origin ASes present in the Internet Routing Table: 12423
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6542
RIPE Region transit ASes present in the Internet Routing Table: 1888
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 383880800
Equivalent to 22 /8s, 225 /16s and 142 /24s
Percentage of available RIPE address space announced: 88.0
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: 23044
Total LACNIC prefixes after maximum aggregation: 5649
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 21061
Unique aggregates announced from the LACNIC address blocks: 11616
LACNIC Region origin ASes present in the Internet Routing Table: 1040
LACNIC Prefixes per ASN: 20.25
LACNIC Region origin ASes announcing only one prefix: 336
LACNIC Region transit ASes present in the Internet Routing Table: 168
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 59283840
Equivalent to 3 /8s, 136 /16s and 153 /24s
Percentage of available LACNIC address space announced: 58.9
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: 4031
Total AfriNIC prefixes after maximum aggregation: 1380
AfriNIC Deaggregation factor: 2.92
Prefixes being announced from the AfriNIC address blocks: 4254
Unique aggregates announced from the AfriNIC address blocks: 2184
AfriNIC Region origin ASes present in the Internet Routing Table: 274
AfriNIC Prefixes per ASN: 15.53
AfriNIC Region origin ASes announcing only one prefix: 87
AfriNIC Region transit ASes present in the Internet Routing Table: 56
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 22
Number of AfriNIC addresses announced to Internet: 13105408
Equivalent to 0 /8s, 199 /16s and 249 /24s
Percentage of available AfriNIC address space announced: 26.0
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
4766 1642 6409 368 Korea Telecom (KIX)
17488 1466 102 101 Hathway IP Over Cable Interne
4755 1177 475 152 TATA Communications formerly
9583 904 131 66 Sify Limited
4134 892 15833 358 CHINANET-BACKBONE
18101 782 168 31 Reliance Infocom Ltd Internet
9498 756 291 45 BHARTI BT INTERNET LTD.
4780 725 358 64 Digital United Inc.
7545 658 152 81 TPG Internet Pty Ltd
24560 641 226 165 Bharti Airtel Ltd.
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 4382 3435 345 bellsouth.net, inc.
209 2845 4032 623 Qwest
20115 1851 1473 743 Charter Communications
1785 1707 717 155 PaeTec Communications, Inc.
6478 1613 372 274 AT&T Worldnet Services
4323 1608 1067 379 Time Warner Telecom
2386 1586 706 897 AT&T Data Communications Serv
7018 1424 5872 984 AT&T WorldNet Services
11492 1220 192 12 Cable One
3356 1104 10994 431 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 1764 382 TDC Tele Danmark
30890 391 80 203 SC Kappa Invexim SRL
12479 379 578 6 Uni2 Autonomous System
3301 336 1413 303 TeliaNet Sweden
3320 333 7065 282 Deutsche Telekom AG
8866 331 109 22 Bulgarian Telecommunication C
29049 323 26 3 AzerSat LLC.
3215 321 2856 95 France Telecom Transpac
8551 304 287 35 Bezeq International
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 1402 2832 224 UniNet S.A. de C.V.
11830 671 299 9 Instituto Costarricense de El
10620 658 138 57 TVCABLE BOGOTA
22047 565 302 14 VTR PUNTO NET S.A.
7303 503 249 74 Telecom Argentina Stet-France
6471 429 86 43 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
11172 400 118 72 Servicios Alestra S.A de C.V
28573 365 491 24 NET Servicos de Comunicao S.A
7738 360 730 27 Telecomunicacoes da Bahia 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 439 72 54 LINKdotNET AS number
3741 270 857 227 The Internet Solution
20858 256 34 3 This AS will be used to conne
2018 239 215 140 Tertiary Education Network
6713 145 139 12 Itissalat Al-MAGHRIB
33783 143 10 17 EEPAD TISP TELECOM & INTERNET
29571 121 15 8 Ci Telecom Autonomous system
5536 120 8 17 Internet Egypt Network
5713 119 555 68 Telkom SA Ltd
33776 118 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 4382 3435 345 bellsouth.net, inc.
209 2845 4032 623 Qwest
20115 1851 1473 743 Charter Communications
1785 1707 717 155 PaeTec Communications, Inc.
4766 1642 6409 368 Korea Telecom (KIX)
6478 1613 372 274 AT&T Worldnet Services
4323 1608 1067 379 Time Warner Telecom
2386 1586 706 897 AT&T Data Communications Serv
17488 1466 102 101 Hathway IP Over Cable Interne
7018 1424 5872 984 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 2845 2222 Qwest
1785 1707 1552 PaeTec Communications, Inc.
17488 1466 1365 Hathway IP Over Cable Interne
6478 1613 1339 AT&T Worldnet Services
4766 1642 1274 Korea Telecom (KIX)
4323 1608 1229 Time Warner Telecom
11492 1220 1208 Cable One
8151 1402 1178 UniNet S.A. de C.V.
20115 1851 1108 Charter Communications
18566 1060 1050 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 7018 AT&T WorldNet Servic
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 /8:20 /9:9 /10:20 /11:54 /12:158
/13:309 /14:562 /15:1099 /16:10278 /17:4531 /18:7748
/19:16669 /20:19590 /21:19150 /22:24337 /23:24847 /24:144305
/25:650 /26:809 /27:518 /28:96 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2865 4382 bellsouth.net, inc.
209 1591 2845 Qwest
4766 1374 1642 Korea Telecom (KIX)
2386 1263 1586 AT&T Data Communications Serv
17488 1256 1466 Hathway IP Over Cable Interne
11492 1190 1220 Cable One
1785 1168 1707 PaeTec Communications, Inc.
6478 1131 1613 AT&T Worldnet Services
18566 1041 1060 Covad Communications
20115 930 1851 Charter Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:172 12:2229 13:2 15:21 16:3
17:5 20:35 24:1104 32:54 38:528 40:96
41:825 43:1 44:2 47:9 52:3 55:3
56:3 57:26 58:519 59:597 60:456 61:1107
62:1086 63:2002 64:3416 65:2447 66:3611 67:1444
68:655 69:2430 70:531 71:173 72:1589 73:7
74:1338 75:193 76:306 77:899 78:522 79:309
80:940 81:838 82:543 83:382 84:592 85:1058
86:494 87:651 88:349 89:1383 90:41 91:1801
92:303 93:1077 94:828 95:141 96:95 97:151
98:173 99:10 110:1 111:1 113:56 114:146
115:173 116:1095 117:421 118:248 119:587 120:120
121:700 122:883 123:464 124:765 125:1337 128:359
129:220 130:135 131:410 132:72 133:9 134:323
135:33 136:224 137:133 138:144 139:92 140:414
141:110 142:381 143:290 144:315 145:53 146:371
147:142 148:606 149:219 150:139 151:208 152:149
153:131 154:10 155:250 156:168 157:304 158:163
159:300 160:274 161:131 162:255 163:142 164:516
165:501 166:364 167:348 168:666 169:159 170:461
171:38 172:10 173:138 174:17 187:17 188:1
189:353 190:2532 192:5812 193:4152 194:3291 195:2663
196:1029 198:3696 199:3316 200:5578 201:1505 202:7775
203:8073 204:3922 205:2161 206:2323 207:2771 208:3786
209:3498 210:2673 211:1165 212:1554 213:1618 214:69
215:29 216:4519 217:1196 218:377 219:402 220:1226
221:410 222:299
End of report
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