[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Apr 18 04:12:29 EST 2009
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 18 Apr, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 285512
Prefixes after maximum aggregation: 135036
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 140735
Total ASes present in the Internet Routing Table: 30995
Prefixes per ASN: 9.21
Origin-only ASes present in the Internet Routing Table: 26993
Origin ASes announcing only one prefix: 13113
Transit ASes present in the Internet Routing Table: 4002
Transit-only ASes present in the Internet Routing Table: 96
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 33
Max AS path prepend of ASN (43683) 31
Prefixes from unregistered ASNs in the Routing Table: 457
Unregistered ASNs in the Routing Table: 153
Number of 32-bit ASNs allocated by the RIRs: 140
Prefixes from 32-bit ASNs in the Routing Table: 22
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 213
Number of addresses announced to Internet: 2032726080
Equivalent to 121 /8s, 40 /16s and 240 /24s
Percentage of available address space announced: 54.8
Percentage of allocated address space announced: 64.1
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 76.4
Total number of prefixes smaller than registry allocations: 140850
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 66222
Total APNIC prefixes after maximum aggregation: 23572
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 62977
Unique aggregates announced from the APNIC address blocks: 28795
APNIC Region origin ASes present in the Internet Routing Table: 3598
APNIC Prefixes per ASN: 17.50
APNIC Region origin ASes announcing only one prefix: 966
APNIC Region transit ASes present in the Internet Routing Table: 545
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 410974496
Equivalent to 24 /8s, 126 /16s and 249 /24s
Percentage of available APNIC address space announced: 81.7
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: 124873
Total ARIN prefixes after maximum aggregation: 65846
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 94104
Unique aggregates announced from the ARIN address blocks: 36841
ARIN Region origin ASes present in the Internet Routing Table: 12932
ARIN Prefixes per ASN: 7.28
ARIN Region origin ASes announcing only one prefix: 4994
ARIN Region transit ASes present in the Internet Routing Table: 1253
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 426730496
Equivalent to 25 /8s, 111 /16s and 100 /24s
Percentage of available ARIN address space announced: 82.0
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: 65460
Total RIPE prefixes after maximum aggregation: 38031
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 59789
Unique aggregates announced from the RIPE address blocks: 39893
RIPE Region origin ASes present in the Internet Routing Table: 12842
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 6717
RIPE Region transit ASes present in the Internet Routing Table: 1917
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 392815392
Equivalent to 23 /8s, 105 /16s and 227 /24s
Percentage of available RIPE address space announced: 83.6
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, 47104-52223
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, 109/8,
178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 23655
Total LACNIC prefixes after maximum aggregation: 5842
LACNIC Deaggregation factor: 4.05
Prefixes being announced from the LACNIC address blocks: 21807
Unique aggregates announced from the LACNIC address blocks: 11984
LACNIC Region origin ASes present in the Internet Routing Table: 1093
LACNIC Prefixes per ASN: 19.95
LACNIC Region origin ASes announcing only one prefix: 348
LACNIC Region transit ASes present in the Internet Routing Table: 182
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 62475520
Equivalent to 3 /8s, 185 /16s and 77 /24s
Percentage of available LACNIC address space announced: 62.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
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: 4879
Total AfriNIC prefixes after maximum aggregation: 1403
AfriNIC Deaggregation factor: 3.48
Prefixes being announced from the AfriNIC address blocks: 4565
Unique aggregates announced from the AfriNIC address blocks: 1365
AfriNIC Region origin ASes present in the Internet Routing Table: 292
AfriNIC Prefixes per ASN: 15.63
AfriNIC Region origin ASes announcing only one prefix: 88
AfriNIC Region transit ASes present in the Internet Routing Table: 58
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 10237184
Equivalent to 0 /8s, 156 /16s and 53 /24s
Percentage of available AfriNIC address space announced: 30.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1692 6929 396 Korea Telecom (KIX)
17488 1536 123 97 Hathway IP Over Cable Interne
4755 1181 405 177 TATA Communications formerly
9583 1090 87 539 Sify Limited
4134 894 16580 371 CHINANET-BACKBONE
7545 784 164 106 TPG Internet Pty Ltd
18101 755 217 31 Reliance Infocom Ltd Internet
24560 682 228 174 Bharti Airtel Ltd.
9498 671 296 50 BHARTI BT INTERNET LTD.
9829 640 495 21 BSNL National Internet Backbo
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 4303 3669 345 bellsouth.net, inc.
209 2646 4150 621 Qwest
4323 1834 1049 374 Time Warner Telecom
1785 1746 717 139 PaeTec Communications, Inc.
20115 1613 1430 720 Charter Communications
7018 1476 5896 1016 AT&T WorldNet Services
6478 1361 305 468 AT&T Worldnet Services
2386 1247 681 896 AT&T Data Communications Serv
3356 1191 10980 453 Level 3 Communications, LLC
11492 1172 192 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
8452 1252 188 7 TEDATA
30890 538 88 200 SC Kappa Invexim SRL
3292 451 1764 389 TDC Tele Danmark
12479 405 578 6 Uni2 Autonomous System
3320 343 7081 294 Deutsche Telekom AG
3215 340 3025 108 France Telecom Transpac
3301 339 1669 305 TeliaNet Sweden
8866 336 109 21 Bulgarian Telecommunication C
29049 321 26 3 AzerSat LLC.
35805 319 24 4 United Telecom of Georgia
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 1444 2848 231 UniNet S.A. de C.V.
10620 859 194 101 TVCABLE BOGOTA
22047 611 302 14 VTR PUNTO NET S.A.
7303 525 270 74 Telecom Argentina Stet-France
11830 516 294 34 Instituto Costarricense de El
16814 461 31 10 NSS, S.A.
6471 442 96 31 ENTEL CHILE S.A.
11172 414 102 72 Servicios Alestra S.A de C.V
28573 404 528 27 NET Servicos de Comunicao S.A
7738 397 794 28 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 855 78 35 LINKdotNET AS number
20858 297 34 4 This AS will be used to conne
3741 277 860 237 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 159 150 15 Itissalat Al-MAGHRIB
33783 151 10 8 EEPAD TISP TELECOM & INTERNET
29571 138 15 9 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
33776 117 6 3 Starcomms Nigeria Limited
5713 115 507 66 Telkom SA Ltd
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 4303 3669 345 bellsouth.net, inc.
209 2646 4150 621 Qwest
4323 1834 1049 374 Time Warner Telecom
1785 1746 717 139 PaeTec Communications, Inc.
4766 1692 6929 396 Korea Telecom (KIX)
20115 1613 1430 720 Charter Communications
17488 1536 123 97 Hathway IP Over Cable Interne
7018 1476 5896 1016 AT&T WorldNet Services
8151 1444 2848 231 UniNet S.A. de C.V.
6478 1361 305 468 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 2646 2025 Qwest
1785 1746 1607 PaeTec Communications, Inc.
4323 1834 1460 Time Warner Telecom
17488 1536 1439 Hathway IP Over Cable Interne
4766 1692 1296 Korea Telecom (KIX)
8452 1252 1245 TEDATA
8151 1444 1213 UniNet S.A. de C.V.
11492 1172 1161 Cable One
18566 1060 1050 Covad Communications
4755 1181 1004 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 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
24.55.64.0/19 36423 San Juan Cable, LLC
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.220.16.0/20 8668 TelOne Zimbabwe P/L
41.223.112.0/22 5713 Telkom SA Ltd
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
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 /9:10 /10:20 /11:58 /12:165
/13:335 /14:592 /15:1146 /16:10413 /17:4686 /18:7985
/19:17011 /20:20268 /21:20061 /22:25644 /23:25322 /24:149670
/25:718 /26:868 /27:347 /28:119 /29:37 /30:10
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2804 4303 bellsouth.net, inc.
4766 1394 1692 Korea Telecom (KIX)
209 1351 2646 Qwest
17488 1304 1536 Hathway IP Over Cable Interne
8452 1231 1252 TEDATA
1785 1154 1746 PaeTec Communications, Inc.
11492 1116 1172 Cable One
18566 1041 1060 Covad Communications
4323 956 1834 Time Warner Telecom
2386 947 1247 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:192 12:2213 13:3 15:19 16:3
17:4 20:35 24:1076 32:51 38:526 40:97
41:2001 43:1 44:2 47:22 52:3 55:2
56:3 57:25 58:573 59:613 60:459 61:1108
62:1091 63:2024 64:3661 65:2400 66:3590 67:1511
68:715 69:2563 70:531 71:134 72:1647 73:2
74:1487 75:168 76:318 77:841 78:552 79:314
80:971 81:807 82:544 83:415 84:606 85:1030
86:390 87:633 88:358 89:1449 90:44 91:2126
92:341 93:1115 94:1187 95:1026 96:108 97:188
98:470 99:17 109:1 110:58 112:101 113:97
114:217 115:227 116:1156 117:498 118:287 119:670
120:150 121:708 122:1004 123:673 124:960 125:1307
128:224 129:227 130:128 131:416 132:73 133:9
134:184 135:214 136:242 137:149 138:148 139:79
140:425 141:105 142:392 143:330 144:332 145:45
146:372 147:151 148:520 149:237 150:149 151:199
152:151 153:138 154:2 155:271 156:170 157:300
158:127 159:301 160:282 161:134 162:273 163:149
164:481 165:532 166:268 167:363 168:693 169:161
170:473 171:38 172:10 173:270 174:176 178:1
186:8 187:78 188:13 189:334 190:2664 192:5805
193:4216 194:3303 195:2640 196:1068 198:3738 199:3312
200:5428 201:1332 202:7857 203:8161 204:3802 205:2152
206:2415 207:2808 208:3900 209:3389 210:2648 211:1101
212:1517 213:1689 214:71 215:30 216:4554 217:1254
218:361 219:425 220:1207 221:453 222:291
End of report
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