[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 19 18:12:11 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 20 Dec, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 275380
Prefixes after maximum aggregation: 131356
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 132855
Total ASes present in the Internet Routing Table: 30108
Prefixes per ASN: 9.15
Origin-only ASes present in the Internet Routing Table: 26219
Origin ASes announcing only one prefix: 12782
Transit ASes present in the Internet Routing Table: 3889
Transit-only ASes present in the Internet Routing Table: 94
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 522
Unregistered ASNs in the Routing Table: 187
Number of 32-bit ASNs allocated by the RIRs: 68
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: 259
Number of addresses announced to Internet: 1976219264
Equivalent to 117 /8s, 202 /16s and 182 /24s
Percentage of available address space announced: 53.3
Percentage of allocated address space announced: 63.7
Percentage of available address space allocated: 83.7
Percentage of address space in use by end-sites: 75.0
Total number of prefixes smaller than registry allocations: 135179
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63202
Total APNIC prefixes after maximum aggregation: 22693
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 60116
Unique aggregates announced from the APNIC address blocks: 25952
APNIC Region origin ASes present in the Internet Routing Table: 3494
APNIC Prefixes per ASN: 17.21
APNIC Region origin ASes announcing only one prefix: 952
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: 393369248
Equivalent to 23 /8s, 114 /16s and 86 /24s
Percentage of available APNIC address space announced: 78.2
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: 122949
Total ARIN prefixes after maximum aggregation: 64542
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 92199
Unique aggregates announced from the ARIN address blocks: 35045
ARIN Region origin ASes present in the Internet Routing Table: 12660
ARIN Prefixes per ASN: 7.28
ARIN Region origin ASes announcing only one prefix: 4896
ARIN Region transit ASes present in the Internet Routing Table: 1212
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 405197088
Equivalent to 24 /8s, 38 /16s and 209 /24s
Percentage of available ARIN address space announced: 83.3
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: 62209
Total RIPE prefixes after maximum aggregation: 36644
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 56377
Unique aggregates announced from the RIPE address blocks: 37798
RIPE Region origin ASes present in the Internet Routing Table: 12375
RIPE Prefixes per ASN: 4.56
RIPE Region origin ASes announcing only one prefix: 6516
RIPE Region transit ASes present in the Internet Routing Table: 1866
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 382814560
Equivalent to 22 /8s, 209 /16s and 73 /24s
Percentage of available RIPE address space announced: 87.8
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: 22976
Total LACNIC prefixes after maximum aggregation: 5628
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 21001
Unique aggregates announced from the LACNIC address blocks: 11591
LACNIC Region origin ASes present in the Internet Routing Table: 1042
LACNIC Prefixes per ASN: 20.15
LACNIC Region origin ASes announcing only one prefix: 337
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: 59214848
Equivalent to 3 /8s, 135 /16s and 140 /24s
Percentage of available LACNIC address space announced: 58.8
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: 3541
Total AfriNIC prefixes after maximum aggregation: 1429
AfriNIC Deaggregation factor: 2.48
Prefixes being announced from the AfriNIC address blocks: 5159
Unique aggregates announced from the AfriNIC address blocks: 1961
AfriNIC Region origin ASes present in the Internet Routing Table: 262
AfriNIC Prefixes per ASN: 19.69
AfriNIC Region origin ASes announcing only one prefix: 81
AfriNIC Region transit ASes present in the Internet Routing Table: 54
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12454656
Equivalent to 0 /8s, 190 /16s and 11 /24s
Percentage of available AfriNIC address space announced: 24.7
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
4766 1557 6409 364 Korea Telecom (KIX)
17488 1442 101 99 Hathway IP Over Cable Interne
4755 1174 475 153 TATA Communications formerly
4134 898 15543 356 CHINANET-BACKBONE
9583 871 133 81 Sify Limited
18101 786 168 33 Reliance Infocom Ltd Internet
4780 727 358 64 Digital United Inc.
9498 688 310 48 BHARTI BT INTERNET LTD.
7545 656 152 81 TPG Internet Pty Ltd
24560 635 210 164 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 4383 3435 344 bellsouth.net, inc.
209 2847 4033 626 Qwest
20115 1849 1472 742 Charter Communications
1785 1706 717 155 PaeTec Communications, Inc.
4323 1611 1067 382 Time Warner Telecom
6478 1601 368 289 AT&T Worldnet Services
2386 1578 705 891 AT&T Data Communications Serv
7018 1436 5873 994 AT&T WorldNet Services
11492 1230 192 12 Cable One
3356 1104 10994 430 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
8452 1632 188 11 TEDATA
3292 434 1764 383 TDC Tele Danmark
30890 391 80 203 SC Kappa Invexim SRL
12479 377 578 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 330 26 3 AzerSat LLC.
3215 321 2856 95 France Telecom Transpac
8551 303 287 35 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 1406 2833 222 UniNet S.A. de C.V.
11830 667 299 9 Instituto Costarricense de El
10620 631 135 55 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 343 730 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 280 48 128 LINKdotNET AS number
3741 270 857 227 The Internet Solution
2018 239 215 140 Tertiary Education Network
6713 144 135 11 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 116 6 3 Starcomms Nigeria Limited
2905 80 177 76 Verizon South Africa
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 4383 3435 344 bellsouth.net, inc.
209 2847 4033 626 Qwest
20115 1849 1472 742 Charter Communications
1785 1706 717 155 PaeTec Communications, Inc.
8452 1632 188 11 TEDATA
4323 1611 1067 382 Time Warner Telecom
6478 1601 368 289 AT&T Worldnet Services
2386 1578 705 891 AT&T Data Communications Serv
4766 1557 6409 364 Korea Telecom (KIX)
17488 1442 101 99 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 2847 2221 Qwest
8452 1632 1621 TEDATA
1785 1706 1551 PaeTec Communications, Inc.
17488 1442 1343 Hathway IP Over Cable Interne
6478 1601 1312 AT&T Worldnet Services
4323 1611 1229 Time Warner Telecom
11492 1230 1218 Cable One
4766 1557 1193 Korea Telecom (KIX)
8151 1406 1184 UniNet S.A. de C.V.
20115 1849 1107 Charter 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 /12:159
/13:308 /14:559 /15:1096 /16:10268 /17:4512 /18:7750
/19:16644 /20:19464 /21:19076 /22:24169 /23:24653 /24:144536
/25:644 /26:807 /27:519 /28:97 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2866 4383 bellsouth.net, inc.
209 1594 2847 Qwest
8452 1317 1632 TEDATA
4766 1292 1557 Korea Telecom (KIX)
2386 1260 1578 AT&T Data Communications Serv
17488 1232 1442 Hathway IP Over Cable Interne
11492 1200 1230 Cable One
1785 1166 1706 PaeTec Communications, Inc.
6478 1129 1601 AT&T Worldnet Services
18566 1041 1060 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:170 12:2225 13:2 15:21 16:3
17:5 20:36 24:1107 32:54 38:525 40:96
41:1772 43:1 44:2 47:9 52:3 55:3
56:3 57:26 58:518 59:595 60:456 61:1094
62:1016 63:2002 64:3406 65:2445 66:3607 67:1439
68:655 69:2374 70:530 71:173 72:1597 73:7
74:1335 75:191 76:306 77:853 78:511 79:299
80:920 81:907 82:537 83:392 84:410 85:1036
86:494 87:655 88:350 89:1363 90:45 91:1796
92:298 93:1052 94:837 95:106 96:95 97:150
98:172 99:10 100:1 110:1 111:1 113:52
114:144 115:166 116:1069 117:416 118:234 119:578
120:116 121:699 122:895 123:435 124:790 125:1273
128:359 129:219 130:135 131:408 132:72 133:9
134:193 135:33 136:225 137:131 138:144 139:91
140:412 141:110 142:389 143:296 144:309 145:53
146:371 147:143 148:610 149:219 150:140 151:209
152:149 153:131 154:10 155:249 156:167 157:304
158:164 159:300 160:274 161:131 162:254 163:146
164:515 165:500 166:364 167:348 168:669 169:159
170:459 171:38 172:10 173:128 174:11 187:16
188:1 189:356 190:2542 192:5822 193:4145 194:3298
195:2631 196:1205 198:3710 199:3315 200:5584 201:1504
202:7780 203:8068 204:3930 205:2128 206:2319 207:2761
208:3794 209:3494 210:2688 211:1132 212:1501 213:1583
214:62 215:26 216:4498 217:1201 218:379 219:405
220:1220 221:400 222:299
End of report
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