[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jan 3 05:13:36 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 03 Jan, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 275280
Prefixes after maximum aggregation: 131723
Deaggregation factor: 2.09
Unique aggregates announced to Internet: 133384
Total ASes present in the Internet Routing Table: 30197
Prefixes per ASN: 9.12
Origin-only ASes present in the Internet Routing Table: 26280
Origin ASes announcing only one prefix: 12806
Transit ASes present in the Internet Routing Table: 3917
Transit-only ASes present in the Internet Routing Table: 95
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 523
Unregistered ASNs in the Routing Table: 188
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: 231
Number of addresses announced to Internet: 1980712736
Equivalent to 118 /8s, 15 /16s and 71 /24s
Percentage of available address space announced: 53.4
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: 134788
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63617
Total APNIC prefixes after maximum aggregation: 22614
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 60489
Unique aggregates announced from the APNIC address blocks: 25957
APNIC Region origin ASes present in the Internet Routing Table: 3492
APNIC Prefixes per ASN: 17.32
APNIC Region origin ASes announcing only one prefix: 956
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: 24
Number of APNIC addresses announced to Internet: 395968416
Equivalent to 23 /8s, 153 /16s and 255 /24s
Percentage of available APNIC address space announced: 78.7
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: 122871
Total ARIN prefixes after maximum aggregation: 64857
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 92460
Unique aggregates announced from the ARIN address blocks: 35159
ARIN Region origin ASes present in the Internet Routing Table: 12687
ARIN Prefixes per ASN: 7.29
ARIN Region origin ASes announcing only one prefix: 4890
ARIN Region transit ASes present in the Internet Routing Table: 1213
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 405423904
Equivalent to 24 /8s, 42 /16s and 71 /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: 61292
Total RIPE prefixes after maximum aggregation: 36722
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56859
Unique aggregates announced from the RIPE address blocks: 37994
RIPE Region origin ASes present in the Internet Routing Table: 12432
RIPE Prefixes per ASN: 4.57
RIPE Region origin ASes announcing only one prefix: 6539
RIPE Region transit ASes present in the Internet Routing Table: 1884
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 383811168
Equivalent to 22 /8s, 224 /16s and 126 /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: 22931
Total LACNIC prefixes after maximum aggregation: 5719
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 21036
Unique aggregates announced from the LACNIC address blocks: 11601
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: 341
LACNIC Region transit ASes present in the Internet Routing Table: 170
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 59299968
Equivalent to 3 /8s, 136 /16s and 216 /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: 4068
Total AfriNIC prefixes after maximum aggregation: 1396
AfriNIC Deaggregation factor: 2.91
Prefixes being announced from the AfriNIC address blocks: 4338
Unique aggregates announced from the AfriNIC address blocks: 2165
AfriNIC Region origin ASes present in the Internet Routing Table: 268
AfriNIC Prefixes per ASN: 16.19
AfriNIC Region origin ASes announcing only one prefix: 80
AfriNIC Region transit ASes present in the Internet Routing Table: 58
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12971264
Equivalent to 0 /8s, 197 /16s and 237 /24s
Percentage of available AfriNIC address space announced: 25.8
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 1647 6410 372 Korea Telecom (KIX)
17488 1477 104 101 Hathway IP Over Cable Interne
4755 1176 434 165 TATA Communications formerly
9583 902 131 67 Sify Limited
4134 896 15977 360 CHINANET-BACKBONE
18101 782 168 30 Reliance Infocom Ltd Internet
9498 759 292 47 BHARTI BT INTERNET LTD.
4780 721 360 66 Digital United Inc.
24560 662 227 169 Bharti Airtel Ltd.
7545 661 152 82 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 4381 3435 345 bellsouth.net, inc.
209 2843 4032 621 Qwest
20115 1848 1455 741 Charter Communications
1785 1705 717 154 PaeTec Communications, Inc.
4323 1606 1059 378 Time Warner Telecom
2386 1580 706 894 AT&T Data Communications Serv
7018 1425 5872 985 AT&T WorldNet Services
11492 1231 192 12 Cable One
3356 1105 10994 432 Level 3 Communications, LLC
18566 1060 296 10 Covad Communications
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 434 1764 383 TDC Tele Danmark
30890 391 80 203 SC Kappa Invexim SRL
12479 383 578 6 Uni2 Autonomous System
3301 336 1413 303 TeliaNet Sweden
3320 333 7065 282 Deutsche Telekom AG
8866 330 109 22 Bulgarian Telecommunication C
3215 327 2857 96 France Telecom Transpac
29049 323 26 3 AzerSat LLC.
8551 304 287 35 Bezeq International
8452 271 188 7 TEDATA
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 2820 224 UniNet S.A. de C.V.
10620 688 149 57 TVCABLE BOGOTA
11830 671 299 9 Instituto Costarricense de El
22047 565 302 14 VTR PUNTO NET S.A.
7303 505 249 76 Telecom Argentina Stet-France
6471 429 86 40 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
11172 411 118 72 Servicios Alestra S.A de C.V
28573 364 489 26 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 518 71 83 LINKdotNET AS number
3741 270 857 227 The Internet Solution
20858 258 34 3 This AS will be used to conne
2018 239 215 140 Tertiary Education Network
33783 147 10 13 EEPAD TISP TELECOM & INTERNET
6713 145 139 12 Itissalat Al-MAGHRIB
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 4381 3435 345 bellsouth.net, inc.
209 2843 4032 621 Qwest
20115 1848 1455 741 Charter Communications
1785 1705 717 154 PaeTec Communications, Inc.
4766 1647 6410 372 Korea Telecom (KIX)
4323 1606 1059 378 Time Warner Telecom
2386 1580 706 894 AT&T Data Communications Serv
17488 1477 104 101 Hathway IP Over Cable Interne
7018 1425 5872 985 AT&T WorldNet Services
8151 1400 2820 224 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 2843 2222 Qwest
1785 1705 1551 PaeTec Communications, Inc.
17488 1477 1376 Hathway IP Over Cable Interne
4766 1647 1275 Korea Telecom (KIX)
4323 1606 1228 Time Warner Telecom
11492 1231 1219 Cable One
8151 1400 1176 UniNet S.A. de C.V.
20115 1848 1107 Charter Communications
18566 1060 1050 Covad Communications
4755 1176 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
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
/13:310 /14:562 /15:1102 /16:10283 /17:4528 /18:7753
/19:16641 /20:19591 /21:19140 /22:24233 /23:24626 /24:144146
/25:655 /26:822 /27:513 /28:98 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2864 4381 bellsouth.net, inc.
209 1589 2843 Qwest
4766 1382 1647 Korea Telecom (KIX)
17488 1263 1477 Hathway IP Over Cable Interne
2386 1257 1580 AT&T Data Communications Serv
11492 1200 1231 Cable One
1785 1168 1705 PaeTec Communications, Inc.
18566 1041 1060 Covad Communications
20115 930 1848 Charter Communications
7011 837 936 Citizens Utilities
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:173 12:2177 13:2 15:21 16:3
17:5 20:35 24:1107 32:54 38:532 40:96
41:824 43:1 44:2 47:9 52:3 55:3
56:3 57:26 58:525 59:600 60:455 61:1097
62:1113 63:2002 64:3397 65:2448 66:3607 67:1440
68:655 69:2415 70:530 71:173 72:1591 73:7
74:1339 75:193 76:306 77:785 78:512 79:302
80:945 81:845 82:561 83:378 84:593 85:1061
86:394 87:638 88:354 89:1377 90:41 91:1811
92:307 93:1076 94:866 95:145 96:96 97:153
98:172 99:10 110:1 111:1 113:56 114:151
115:176 116:1112 117:434 118:244 119:590 120:130
121:701 122:892 123:480 124:772 125:1345 128:358
129:220 130:134 131:410 132:72 133:9 134:323
135:34 136:219 137:133 138:144 139:92 140:415
141:109 142:382 143:306 144:320 145:53 146:371
147:142 148:605 149:219 150:139 151:208 152:149
153:131 154:10 155:254 156:168 157:271 158:162
159:299 160:273 161:131 162:255 163:141 164:519
165:501 166:364 167:348 168:676 169:159 170:462
171:38 172:10 173:144 174:18 187:17 188:1
189:358 190:2484 192:5818 193:4176 194:3308 195:2655
196:1033 198:3694 199:3314 200:5544 201:1484 202:7782
203:8080 204:3924 205:2168 206:2324 207:2769 208:3794
209:3501 210:2688 211:1159 212:1557 213:1629 214:67
215:29 216:4538 217:1157 218:374 219:403 220:1236
221:399 222:294
End of report
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