[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jan 10 05:10:22 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 10 Jan, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 276748
Prefixes after maximum aggregation: 132415
Deaggregation factor: 2.09
Unique aggregates announced to Internet: 135537
Total ASes present in the Internet Routing Table: 30275
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 26332
Origin ASes announcing only one prefix: 12831
Transit ASes present in the Internet Routing Table: 3943
Transit-only ASes present in the Internet Routing Table: 92
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN (33868) 19
Prefixes from unregistered ASNs in the Routing Table: 493
Unregistered ASNs in the Routing Table: 182
Number of 32-bit ASNs allocated by the RIRs: 71
Prefixes from 32-bit ASNs in the Routing Table: 11
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 254
Number of addresses announced to Internet: 1981613920
Equivalent to 118 /8s, 29 /16s and 7 /24s
Percentage of available address space announced: 53.5
Percentage of allocated address space announced: 63.2
Percentage of available address space allocated: 84.6
Percentage of address space in use by end-sites: 75.1
Total number of prefixes smaller than registry allocations: 135621
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 64123
Total APNIC prefixes after maximum aggregation: 23155
APNIC Deaggregation factor: 2.77
Prefixes being announced from the APNIC address blocks: 60992
Unique aggregates announced from the APNIC address blocks: 27681
APNIC Region origin ASes present in the Internet Routing Table: 3503
APNIC Prefixes per ASN: 17.41
APNIC Region origin ASes announcing only one prefix: 955
APNIC Region transit ASes present in the Internet Routing Table: 538
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 394564832
Equivalent to 23 /8s, 132 /16s and 148 /24s
Percentage of available APNIC address space announced: 78.4
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: 123262
Total ARIN prefixes after maximum aggregation: 64979
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 92772
Unique aggregates announced from the ARIN address blocks: 35437
ARIN Region origin ASes present in the Internet Routing Table: 12709
ARIN Prefixes per ASN: 7.30
ARIN Region origin ASes announcing only one prefix: 4893
ARIN Region transit ASes present in the Internet Routing Table: 1217
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 405753632
Equivalent to 24 /8s, 47 /16s and 79 /24s
Percentage of available ARIN address space announced: 78.0
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: 61632
Total RIPE prefixes after maximum aggregation: 36822
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 57016
Unique aggregates announced from the RIPE address blocks: 38082
RIPE Region origin ASes present in the Internet Routing Table: 12474
RIPE Prefixes per ASN: 4.57
RIPE Region origin ASes announcing only one prefix: 6561
RIPE Region transit ASes present in the Internet Routing Table: 1905
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 384010848
Equivalent to 22 /8s, 227 /16s and 138 /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: 22922
Total LACNIC prefixes after maximum aggregation: 5700
LACNIC Deaggregation factor: 4.02
Prefixes being announced from the LACNIC address blocks: 21035
Unique aggregates announced from the LACNIC address blocks: 11598
LACNIC Region origin ASes present in the Internet Routing Table: 1047
LACNIC Prefixes per ASN: 20.09
LACNIC Region origin ASes announcing only one prefix: 338
LACNIC Region transit ASes present in the Internet Routing Table: 172
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 59650432
Equivalent to 3 /8s, 142 /16s and 49 /24s
Percentage of available LACNIC address space announced: 59.3
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: 4335
Total AfriNIC prefixes after maximum aggregation: 1363
AfriNIC Deaggregation factor: 3.18
Prefixes being announced from the AfriNIC address blocks: 4772
Unique aggregates announced from the AfriNIC address blocks: 2189
AfriNIC Region origin ASes present in the Internet Routing Table: 276
AfriNIC Prefixes per ASN: 17.29
AfriNIC Region origin ASes announcing only one prefix: 84
AfriNIC Region transit ASes present in the Internet Routing Table: 60
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC addresses announced to Internet: 13108480
Equivalent to 0 /8s, 200 /16s and 5 /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 1649 6410 374 Korea Telecom (KIX)
17488 1482 104 100 Hathway IP Over Cable Interne
4755 1181 435 170 TATA Communications formerly
9583 1107 87 523 Sify Limited
4134 896 15977 361 CHINANET-BACKBONE
18101 782 168 30 Reliance Infocom Ltd Internet
4780 720 358 65 Digital United Inc.
9498 688 297 52 BHARTI BT INTERNET LTD.
7545 662 152 81 TPG Internet Pty Ltd
24560 659 224 180 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 4389 3435 345 bellsouth.net, inc.
209 2847 4033 622 Qwest
20115 1852 1458 743 Charter Communications
1785 1711 718 158 PaeTec Communications, Inc.
4323 1614 1051 382 Time Warner Telecom
2386 1582 706 896 AT&T Data Communications Serv
7018 1429 5871 990 AT&T WorldNet Services
11492 1232 192 12 Cable One
6478 1191 298 444 AT&T Worldnet Services
3356 1108 10994 432 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 446 188 7 TEDATA
3292 436 1764 383 TDC Tele Danmark
12479 386 578 6 Uni2 Autonomous System
30890 386 85 198 SC Kappa Invexim SRL
3301 336 1669 303 TeliaNet Sweden
3320 332 7065 281 Deutsche Telekom AG
8866 330 109 22 Bulgarian Telecommunication C
3215 327 2857 96 France Telecom Transpac
29049 325 26 3 AzerSat LLC.
8551 304 287 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.
10620 698 151 58 TVCABLE BOGOTA
11830 671 299 9 Instituto Costarricense de El
22047 565 302 14 VTR PUNTO NET S.A.
7303 507 251 77 Telecom Argentina Stet-France
6471 429 86 40 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
11172 409 118 72 Servicios Alestra S.A de C.V
28573 369 493 20 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 591 72 41 LINKdotNET AS number
3741 270 857 227 The Internet Solution
20858 262 34 3 This AS will be used to conne
2018 239 215 140 Tertiary Education Network
33783 150 10 8 EEPAD TISP TELECOM & INTERNET
6713 144 135 11 Itissalat Al-MAGHRIB
29571 126 15 8 Ci Telecom Autonomous system
5536 120 8 17 Internet Egypt Network
5713 118 555 67 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 4389 3435 345 bellsouth.net, inc.
209 2847 4033 622 Qwest
20115 1852 1458 743 Charter Communications
1785 1711 718 158 PaeTec Communications, Inc.
4766 1649 6410 374 Korea Telecom (KIX)
4323 1614 1051 382 Time Warner Telecom
2386 1582 706 896 AT&T Data Communications Serv
17488 1482 104 100 Hathway IP Over Cable Interne
7018 1429 5871 990 AT&T WorldNet Services
8151 1406 2833 222 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 2847 2225 Qwest
1785 1711 1553 PaeTec Communications, Inc.
17488 1482 1382 Hathway IP Over Cable Interne
4766 1649 1275 Korea Telecom (KIX)
4323 1614 1232 Time Warner Telecom
11492 1232 1220 Cable One
8151 1406 1184 UniNet S.A. de C.V.
20115 1852 1109 Charter Communications
18566 1060 1050 Covad Communications
4755 1181 1011 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
24.75.116.0/22 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
41.223.112.0/22 5713 Telkom SA Ltd
41.223.132.0/24 12491 IPPlanet
41.223.133.0/24 12491 IPPlanet
41.223.134.0/24 12491 IPPlanet
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 /10:20 /11:54 /12:159
/13:310 /14:561 /15:1101 /16:10300 /17:4531 /18:7788
/19:16707 /20:19620 /21:19250 /22:24350 /23:24760 /24:145115
/25:647 /26:822 /27:514 /28:95 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2866 4389 bellsouth.net, inc.
209 1588 2847 Qwest
4766 1384 1649 Korea Telecom (KIX)
17488 1267 1482 Hathway IP Over Cable Interne
2386 1261 1582 AT&T Data Communications Serv
11492 1200 1232 Cable One
1785 1170 1711 PaeTec Communications, Inc.
18566 1041 1060 Covad Communications
9583 967 1107 Sify Limited
20115 931 1852 Charter Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:174 12:2188 13:2 15:21 16:3
17:5 20:36 24:1106 32:54 38:533 40:96
41:1017 43:1 44:2 47:9 52:3 55:3
56:3 57:26 58:518 59:607 60:455 61:1112
62:1128 63:2007 64:3398 65:2459 66:3618 67:1446
68:654 69:2436 70:531 71:175 72:1589 73:7
74:1348 75:194 76:306 77:792 78:527 79:303
80:944 81:850 82:580 83:381 84:598 85:1069
86:399 87:641 88:352 89:1368 90:44 91:1837
92:306 93:1097 94:859 95:155 96:97 97:158
98:175 99:10 110:1 111:1 112:5 113:57
114:153 115:188 116:1114 117:464 118:247 119:603
120:129 121:713 122:920 123:494 124:868 125:1281
128:358 129:222 130:135 131:411 132:70 133:9
134:325 135:35 136:224 137:136 138:145 139:92
140:412 141:109 142:384 143:309 144:323 145:53
146:372 147:142 148:610 149:222 150:139 151:208
152:149 153:125 154:10 155:242 156:168 157:270
158:140 159:300 160:276 161:133 162:255 163:145
164:518 165:504 166:364 167:348 168:678 169:161
170:461 171:38 172:10 173:193 174:50 187:17
188:1 189:357 190:2498 192:5816 193:4182 194:3309
195:2666 196:1069 198:3692 199:3305 200:5507 201:1476
202:7820 203:8105 204:3931 205:2168 206:2333 207:2772
208:3803 209:3534 210:2744 211:1164 212:1551 213:1640
214:67 215:29 216:4541 217:1210 218:369 219:403
220:1231 221:464 222:296
End of report
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