[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 10 18:12:24 UTC 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 11 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 290262
Prefixes after maximum aggregation: 137789
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 144391
Total ASes present in the Internet Routing Table: 31706
Prefixes per ASN: 9.15
Origin-only ASes present in the Internet Routing Table: 27560
Origin ASes announcing only one prefix: 13420
Transit ASes present in the Internet Routing Table: 4146
Transit-only ASes present in the Internet Routing Table: 100
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 474
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 198
Prefixes from 32-bit ASNs in the Routing Table: 71
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 345
Number of addresses announced to Internet: 2087524224
Equivalent to 124 /8s, 109 /16s and 23 /24s
Percentage of available address space announced: 56.3
Percentage of allocated address space announced: 65.2
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 78.3
Total number of prefixes smaller than registry allocations: 143711
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69187
Total APNIC prefixes after maximum aggregation: 24705
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 68608
Unique aggregates announced from the APNIC address blocks: 31331
APNIC Region origin ASes present in the Internet Routing Table: 3695
APNIC Prefixes per ASN: 18.57
APNIC Region origin ASes announcing only one prefix: 1009
APNIC Region transit ASes present in the Internet Routing Table: 577
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 469024448
Equivalent to 27 /8s, 244 /16s and 190 /24s
Percentage of available APNIC address space announced: 87.4
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,
180/8, 183/8, 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: 123512
Total ARIN prefixes after maximum aggregation: 65893
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 124200
Unique aggregates announced from the ARIN address blocks: 52016
ARIN Region origin ASes present in the Internet Routing Table: 13085
ARIN Prefixes per ASN: 9.49
ARIN Region origin ASes announcing only one prefix: 5027
ARIN Region transit ASes present in the Internet Routing Table: 1279
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1027107904
Equivalent to 61 /8s, 56 /16s and 108 /24s
Percentage of available ARIN address space announced: 197.5
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
53248-55295
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: 66575
Total RIPE prefixes after maximum aggregation: 39344
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66212
Unique aggregates announced from the RIPE address blocks: 44657
RIPE Region origin ASes present in the Internet Routing Table: 13271
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6926
RIPE Region transit ASes present in the Internet Routing Table: 1987
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 496541888
Equivalent to 29 /8s, 152 /16s and 160 /24s
Percentage of available RIPE address space announced: 105.7
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: 24417
Total LACNIC prefixes after maximum aggregation: 6023
LACNIC Deaggregation factor: 4.05
Prefixes being announced from the LACNIC address blocks: 24331
Unique aggregates announced from the LACNIC address blocks: 13563
LACNIC Region origin ASes present in the Internet Routing Table: 1139
LACNIC Prefixes per ASN: 21.36
LACNIC Region origin ASes announcing only one prefix: 367
LACNIC Region transit ASes present in the Internet Routing Table: 189
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 72246144
Equivalent to 4 /8s, 78 /16s and 99 /24s
Percentage of available LACNIC address space announced: 71.8
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: 6155
Total AfriNIC prefixes after maximum aggregation: 1499
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 6552
Unique aggregates announced from the AfriNIC address blocks: 2548
AfriNIC Region origin ASes present in the Internet Routing Table: 307
AfriNIC Prefixes per ASN: 21.34
AfriNIC Region origin ASes announcing only one prefix: 91
AfriNIC Region transit ASes present in the Internet Routing Table: 66
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 20229888
Equivalent to 1 /8s, 52 /16s and 175 /24s
Percentage of available AfriNIC address space announced: 60.3
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 1702 6934 407 Korea Telecom (KIX)
17488 1536 138 94 Hathway IP Over Cable Interne
4755 1217 308 144 TATA Communications formerly
9583 1125 87 560 Sify Limited
4134 979 17164 376 CHINANET-BACKBONE
7545 812 198 102 TPG Internet Pty Ltd
23577 781 34 665 Korea Telecom (ATM-MPLS)
9829 766 603 18 BSNL National Internet Backbo
18101 750 200 32 Reliance Infocom Ltd Internet
24560 725 230 171 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 4261 3643 322 bellsouth.net, inc.
4323 1886 1047 384 Time Warner Telecom
1785 1709 714 140 PaeTec Communications, Inc.
7018 1504 5909 1050 AT&T WorldNet Services
20115 1405 1464 681 Charter Communications
2386 1272 671 925 AT&T Data Communications Serv
6478 1209 275 308 AT&T Worldnet Services
3356 1195 10961 442 Level 3 Communications, LLC
11492 1127 208 12 Cable One
22773 1075 2604 66 Cox Communications, Inc.
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
30890 484 92 197 Evolva Telecom
12479 476 578 6 Uni2 Autonomous System
3292 458 1902 394 TDC Tele Danmark
702 428 1861 344 UUNET - Commercial IP service
35805 356 40 5 United Telecom of Georgia
3320 348 7067 301 Deutsche Telekom AG
3301 347 1684 309 TeliaNet Sweden
3215 343 3065 108 France Telecom Transpac
8866 335 109 20 Bulgarian Telecommunication C
29049 308 26 3 AzerSat LLC.
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 1457 2882 235 UniNet S.A. de C.V.
10620 923 211 104 TVCABLE BOGOTA
28573 611 570 31 NET Servicos de Comunicao S.A
7303 591 312 93 Telecom Argentina Stet-France
22047 543 302 14 VTR PUNTO NET S.A.
11830 488 294 52 Instituto Costarricense de El
11172 441 99 69 Servicios Alestra S.A de C.V
6471 439 96 31 ENTEL CHILE S.A.
7738 410 858 29 Telecomunicacoes da Bahia S.A
3816 382 190 78 Empresa Nacional de Telecomun
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
8452 993 188 7 TEDATA
24863 894 88 46 LINKdotNET AS number
20858 322 34 5 EgyNet
3741 276 856 236 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 176 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 140 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
33776 121 7 11 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 4261 3643 322 bellsouth.net, inc.
4323 1886 1047 384 Time Warner Telecom
1785 1709 714 140 PaeTec Communications, Inc.
4766 1702 6934 407 Korea Telecom (KIX)
17488 1536 138 94 Hathway IP Over Cable Interne
7018 1504 5909 1050 AT&T WorldNet Services
8151 1457 2882 235 UniNet S.A. de C.V.
20115 1405 1464 681 Charter Communications
2386 1272 671 925 AT&T Data Communications Serv
4755 1217 308 144 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1709 1569 PaeTec Communications, Inc.
4323 1886 1502 Time Warner Telecom
17488 1536 1442 Hathway IP Over Cable Interne
4766 1702 1295 Korea Telecom (KIX)
8151 1457 1222 UniNet S.A. de C.V.
11492 1127 1115 Cable One
4755 1217 1073 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1075 1009 Cox Communications, Inc.
8452 993 986 TEDATA
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
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
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
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 22555 Universal Talkware Corporatio
64.31.32.0/19 11955 ServiceCo LLC - Road Runner
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 /9:10 /10:23 /11:58 /12:169
/13:350 /14:611 /15:1164 /16:10527 /17:4749 /18:8201
/19:17096 /20:20431 /21:20272 /22:26049 /23:25958 /24:151912
/25:902 /26:1028 /27:561 /28:148 /29:8 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2773 4261 bellsouth.net, inc.
4766 1401 1702 Korea Telecom (KIX)
17488 1282 1536 Hathway IP Over Cable Interne
1785 1180 1709 PaeTec Communications, Inc.
11492 1053 1127 Cable One
18566 1043 1062 Covad Communications
2386 988 1272 AT&T Data Communications Serv
9583 977 1125 Sify Limited
4323 957 1886 Time Warner Telecom
8452 917 993 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:209 12:2141 13:8 15:19 16:3
17:5 20:35 24:1098 32:51 38:576 40:98
41:1766 43:1 44:2 47:22 52:5 55:2
56:2 57:24 58:591 59:651 60:464 61:1075
62:1115 63:2046 64:3714 65:2406 66:3595 67:1606
68:822 69:2650 70:557 71:146 72:1664 73:2
74:1606 75:171 76:341 77:844 78:562 79:354
80:981 81:841 82:569 83:459 84:634 85:1026
86:393 87:673 88:352 89:1451 90:50 91:2392
92:330 93:1115 94:1229 95:1114 96:149 97:212
98:247 99:26 110:175 111:58 112:108 113:142
114:252 115:311 116:1096 117:536 118:352 119:743
120:145 121:779 122:1052 123:709 124:983 125:1392
128:224 129:231 130:128 131:399 132:71 133:9
134:188 135:39 136:223 137:163 138:169 139:79
140:442 141:119 142:391 143:353 144:366 145:48
146:387 147:154 148:519 149:232 150:177 151:194
152:145 153:147 154:2 155:274 156:164 157:300
158:118 159:343 160:284 161:152 162:274 163:162
164:480 165:502 166:463 167:356 168:656 169:171
170:477 171:41 172:10 173:305 174:235 178:1
186:96 187:99 188:246 189:473 190:2875 192:5789
193:4254 194:3311 195:2682 196:1103 198:3601 199:3361
200:5107 201:1317 202:7707 203:8267 204:3890 205:2153
206:2444 207:2740 208:3870 209:3375 210:2540 211:1133
212:1633 213:1636 214:73 215:24 216:4533 217:1335
218:400 219:441 220:1114 221:481 222:303
End of report
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