[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Nov 22 05:12:16 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 22 Nov, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 274832
Prefixes after maximum aggregation: 131770
Deaggregation factor: 2.09
Unique aggregates announced to Internet: 133162
Total ASes present in the Internet Routing Table: 29863
Prefixes per ASN: 9.20
Origin-only ASes present in the Internet Routing Table: 26014
Origin ASes announcing only one prefix: 12666
Transit ASes present in the Internet Routing Table: 3849
Transit-only ASes present in the Internet Routing Table: 85
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: 539
Unregistered ASNs in the Routing Table: 195
Number of 32-bit ASNs allocated by the RIRs: 65
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: 1960189952
Equivalent to 116 /8s, 214 /16s and 32 /24s
Percentage of available address space announced: 52.9
Percentage of allocated address space announced: 63.2
Percentage of available address space allocated: 83.7
Percentage of address space in use by end-sites: 74.4
Total number of prefixes smaller than registry allocations: 135548
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62781
Total APNIC prefixes after maximum aggregation: 23297
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 59732
Unique aggregates announced from the APNIC address blocks: 26968
APNIC Region origin ASes present in the Internet Routing Table: 3467
APNIC Prefixes per ASN: 17.23
APNIC Region origin ASes announcing only one prefix: 939
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: 19
Number of APNIC addresses announced to Internet: 385251744
Equivalent to 22 /8s, 246 /16s and 121 /24s
Percentage of available APNIC address space announced: 76.5
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: 124396
Total ARIN prefixes after maximum aggregation: 64922
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 93713
Unique aggregates announced from the ARIN address blocks: 34784
ARIN Region origin ASes present in the Internet Routing Table: 12613
ARIN Prefixes per ASN: 7.43
ARIN Region origin ASes announcing only one prefix: 4877
ARIN Region transit ASes present in the Internet Routing Table: 1193
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 401255584
Equivalent to 23 /8s, 234 /16s and 172 /24s
Percentage of available ARIN address space announced: 82.5
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: 60483
Total RIPE prefixes after maximum aggregation: 36191
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56086
Unique aggregates announced from the RIPE address blocks: 37394
RIPE Region origin ASes present in the Internet Routing Table: 12213
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6430
RIPE Region transit ASes present in the Internet Routing Table: 1854
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 379496800
Equivalent to 22 /8s, 158 /16s and 169 /24s
Percentage of available RIPE address space announced: 87.0
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: 22382
Total LACNIC prefixes after maximum aggregation: 5571
LACNIC Deaggregation factor: 4.02
Prefixes being announced from the LACNIC address blocks: 20411
Unique aggregates announced from the LACNIC address blocks: 11400
LACNIC Region origin ASes present in the Internet Routing Table: 1030
LACNIC Prefixes per ASN: 19.82
LACNIC Region origin ASes announcing only one prefix: 338
LACNIC Region transit ASes present in the Internet Routing Table: 168
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 58127616
Equivalent to 3 /8s, 118 /16s and 245 /24s
Percentage of available LACNIC address space announced: 57.7
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: 4273
Total AfriNIC prefixes after maximum aggregation: 1359
AfriNIC Deaggregation factor: 3.14
Prefixes being announced from the AfriNIC address blocks: 4575
Unique aggregates announced from the AfriNIC address blocks: 2171
AfriNIC Region origin ASes present in the Internet Routing Table: 270
AfriNIC Prefixes per ASN: 16.94
AfriNIC Region origin ASes announcing only one prefix: 82
AfriNIC Region transit ASes present in the Internet Routing Table: 56
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12953856
Equivalent to 0 /8s, 197 /16s and 169 /24s
Percentage of available AfriNIC address space announced: 25.7
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
17488 1425 100 114 Hathway IP Over Cable Interne
4755 1182 474 155 TATA Communications formerly
9583 1149 87 480 Sify Limited
4766 1092 6409 364 Korea Telecom (KIX)
4134 905 14768 370 CHINANET-BACKBONE
23577 809 35 696 Korea Telecom (ATM-MPLS)
18101 786 167 31 Reliance Infocom Ltd Internet
4780 731 357 63 Digital United Inc.
9498 689 295 50 BHARTI BT INTERNET LTD.
7545 642 152 80 TPG Internet Pty 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 4370 3434 344 bellsouth.net, inc.
209 3000 4032 619 Qwest
6298 2151 333 633 Cox Communicatons
20115 1840 1461 735 Charter Communications
1785 1701 717 155 PaeTec Communications, Inc.
6478 1677 369 200 AT&T Worldnet Services
2386 1592 701 901 AT&T Data Communications Serv
4323 1586 1068 376 Time Warner Telecom
7018 1411 5869 974 AT&T WorldNet Services
11492 1217 192 12 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 429 1766 380 TDC Tele Danmark
12479 370 578 6 Uni2 Autonomous System
30890 366 95 188 SC Kappa Invexim SRL
3301 338 1429 307 TeliaNet Sweden
29049 338 26 3 AzerSat LLC.
8866 336 111 23 Bulgarian Telecommunication C
3320 323 7062 272 Deutsche Telekom AG
8452 323 188 11 TEDATA
3215 316 2788 99 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 1400 2832 221 UniNet S.A. de C.V.
11830 671 299 9 Instituto Costarricense de El
10620 563 128 55 TVCABLE BOGOTA
22047 533 270 14 VTR PUNTO NET S.A.
7303 496 244 71 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 347 469 24 NET Servicos de Comunicao S.A
14117 331 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 562 71 46 LINKdotNET AS number
3741 271 857 227 The Internet Solution
20858 261 34 3 EgyNet
2018 238 215 138 Tertiary Education Network
29571 147 13 8 Ci Telecom Autonomous system
6713 144 135 11 Itissalat Al-MAGHRIB
33783 141 10 15 EEPAD TISP TELECOM & INTERNET
5713 121 555 70 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
33776 116 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 4370 3434 344 bellsouth.net, inc.
209 3000 4032 619 Qwest
6298 2151 333 633 Cox Communicatons
20115 1840 1461 735 Charter Communications
1785 1701 717 155 PaeTec Communications, Inc.
6478 1677 369 200 AT&T Worldnet Services
2386 1592 701 901 AT&T Data Communications Serv
4323 1586 1068 376 Time Warner Telecom
17488 1425 100 114 Hathway IP Over Cable Interne
7018 1411 5869 974 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 3000 2381 Qwest
1785 1701 1546 PaeTec Communications, Inc.
6298 2151 1518 Cox Communicatons
6478 1677 1477 AT&T Worldnet Services
17488 1425 1311 Hathway IP Over Cable Interne
4323 1586 1210 Time Warner Telecom
11492 1217 1205 Cable One
8151 1400 1179 UniNet S.A. de C.V.
20115 1840 1105 Charter Communications
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
24.75.160.0/19 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
41.187.0.0/16 20928 Noor Advanced Technologies AS
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
62.212.32.0/19 34797 Egrisi JSC.
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 /11:54 /12:157
/13:307 /14:546 /15:1078 /16:10163 /17:4466 /18:7697
/19:16573 /20:19448 /21:19173 /22:24314 /23:24952 /24:143111
/25:843 /26:1009 /27:789 /28:88 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2856 4370 bellsouth.net, inc.
6298 2125 2151 Cox Communicatons
209 1720 3000 Qwest
2386 1271 1592 AT&T Data Communications Serv
17488 1215 1425 Hathway IP Over Cable Interne
11492 1192 1217 Cable One
1785 1161 1701 PaeTec Communications, Inc.
6478 1106 1677 AT&T Worldnet Services
18566 1040 1059 Covad Communications
9583 1015 1149 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:12 8:157 12:2178 13:2 15:21
16:3 17:5 20:36 24:1124 30:1 32:54
38:517 40:93 41:811 43:1 44:2 47:12
52:3 55:3 56:3 57:27 58:497 59:551
60:455 61:1041 62:1131 63:2015 64:3286 65:2436
66:3532 67:1332 68:845 69:2356 70:897 71:170
72:2087 73:7 74:1304 75:169 76:288 77:891
78:518 79:291 80:936 81:864 82:583 83:409
84:587 85:1047 86:507 87:656 88:348 89:1367
90:29 91:1684 92:309 93:975 94:676 95:29
96:91 97:137 98:394 99:15 100:1 113:39
114:128 115:153 116:1035 117:407 118:291 119:551
120:106 121:645 122:819 123:455 124:832 125:1186
128:359 129:219 130:136 131:406 132:72 133:9
134:187 135:31 136:224 137:118 138:144 139:85
140:417 141:111 142:393 143:315 144:301 145:53
146:373 147:143 148:600 149:209 150:143 151:210
152:140 153:131 154:10 155:276 156:175 157:301
158:168 159:297 160:274 161:132 162:249 163:135
164:517 165:509 166:361 167:339 168:628 169:155
170:455 171:40 172:10 173:140 174:5 187:18
188:1 189:321 190:2392 192:5825 193:4131 194:3288
195:2626 196:1026 198:3714 199:3299 200:5523 201:1474
202:7637 203:8069 204:3936 205:2179 206:2298 207:2772
208:3734 209:3440 210:2622 211:1122 212:1547 213:1649
214:69 215:25 216:4390 217:1241 218:352 219:412
220:1073 221:437 222:308
End of report
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