[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 7 18:13:01 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 08 Aug, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 293130
Prefixes after maximum aggregation: 138725
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 145858
Total ASes present in the Internet Routing Table: 31891
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 27728
Origin ASes announcing only one prefix: 13529
Transit ASes present in the Internet Routing Table: 4163
Transit-only ASes present in the Internet Routing Table: 99
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: 465
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 231
Prefixes from 32-bit ASNs in the Routing Table: 84
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 337
Number of addresses announced to Internet: 2103732416
Equivalent to 125 /8s, 100 /16s and 104 /24s
Percentage of available address space announced: 56.8
Percentage of allocated address space announced: 65.0
Percentage of available address space allocated: 87.3
Percentage of address space in use by end-sites: 78.5
Total number of prefixes smaller than registry allocations: 140470
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69643
Total APNIC prefixes after maximum aggregation: 24862
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 69053
Unique aggregates announced from the APNIC address blocks: 31672
APNIC Region origin ASes present in the Internet Routing Table: 3729
APNIC Prefixes per ASN: 18.52
APNIC Region origin ASes announcing only one prefix: 1025
APNIC Region transit ASes present in the Internet Routing Table: 580
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 479781312
Equivalent to 28 /8s, 152 /16s and 225 /24s
Percentage of available APNIC address space announced: 84.1
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,
175/8, 180/8, 182/8, 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: 124787
Total ARIN prefixes after maximum aggregation: 66281
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 125453
Unique aggregates announced from the ARIN address blocks: 52489
ARIN Region origin ASes present in the Internet Routing Table: 13145
ARIN Prefixes per ASN: 9.54
ARIN Region origin ASes announcing only one prefix: 5068
ARIN Region transit ASes present in the Internet Routing Table: 1284
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1029397568
Equivalent to 61 /8s, 91 /16s and 92 /24s
Percentage of available ARIN address space announced: 90.2
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 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8,
30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8,
44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8,
56/8, 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, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 67221
Total RIPE prefixes after maximum aggregation: 39687
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66828
Unique aggregates announced from the RIPE address blocks: 45092
RIPE Region origin ASes present in the Internet Routing Table: 13361
RIPE Prefixes per ASN: 5.00
RIPE Region origin ASes announcing only one prefix: 6984
RIPE Region transit ASes present in the Internet Routing Table: 1988
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 499404992
Equivalent to 29 /8s, 196 /16s and 80 /24s
Percentage of available RIPE address space announced: 99.2
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 25/8, 51/8, 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: 24888
Total LACNIC prefixes after maximum aggregation: 6115
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24849
Unique aggregates announced from the LACNIC address blocks: 13809
LACNIC Region origin ASes present in the Internet Routing Table: 1153
LACNIC Prefixes per ASN: 21.55
LACNIC Region origin ASes announcing only one prefix: 369
LACNIC Region transit ASes present in the Internet Routing Table: 195
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 72975040
Equivalent to 4 /8s, 89 /16s and 130 /24s
Percentage of available LACNIC address space announced: 72.5
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: 6194
Total AfriNIC prefixes after maximum aggregation: 1493
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 6597
Unique aggregates announced from the AfriNIC address blocks: 2519
AfriNIC Region origin ASes present in the Internet Routing Table: 301
AfriNIC Prefixes per ASN: 21.92
AfriNIC Region origin ASes announcing only one prefix: 83
AfriNIC Region transit ASes present in the Internet Routing Table: 62
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 20195584
Equivalent to 1 /8s, 52 /16s and 41 /24s
Percentage of available AfriNIC address space announced: 60.2
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 1719 6979 423 Korea Telecom (KIX)
17488 1550 139 102 Hathway IP Over Cable Interne
4755 1231 292 143 TATA Communications formerly
9583 1119 88 550 Sify Limited
4134 983 17997 384 CHINANET-BACKBONE
7545 815 198 103 TPG Internet Pty Ltd
9829 807 619 15 BSNL National Internet Backbo
23577 779 34 661 Korea Telecom (ATM-MPLS)
4808 754 1515 172 CNCGROUP IP network: China169
18101 748 201 31 Reliance Infocom Ltd Internet
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 4209 3643 323 bellsouth.net, inc.
4323 1912 1048 384 Time Warner Telecom
1785 1725 714 139 PaeTec Communications, Inc.
7018 1498 5908 1051 AT&T WorldNet Services
20115 1464 1472 672 Charter Communications
6478 1329 274 284 AT&T Worldnet Services
2386 1289 673 939 AT&T Data Communications Serv
3356 1206 10979 439 Level 3 Communications, LLC
11492 1134 208 12 Cable One
22773 1082 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 482 92 195 Evolva Telecom
12479 472 578 6 Uni2 Autonomous System
3292 461 1905 395 TDC Tele Danmark
702 430 1861 346 UUNET - Commercial IP service
35805 372 40 5 United Telecom of Georgia
9198 366 138 12 Kazakhtelecom Data Network Ad
3320 348 7067 301 Deutsche Telekom AG
3301 347 1684 310 TeliaNet Sweden
3215 344 3081 109 France Telecom Transpac
8866 339 109 20 Bulgarian Telecommunication C
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 1515 2898 245 UniNet S.A. de C.V.
10620 973 220 97 TVCABLE BOGOTA
28573 636 579 40 NET Servicos de Comunicao S.A
7303 617 328 93 Telecom Argentina Stet-France
22047 540 302 14 VTR PUNTO NET S.A.
11830 487 310 65 Instituto Costarricense de El
11172 443 99 69 Servicios Alestra S.A de C.V
6471 421 96 31 ENTEL CHILE S.A.
7738 410 858 29 Telecomunicacoes da Bahia S.A
3816 390 191 80 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 1025 188 7 TEDATA
24863 909 90 48 LINKdotNET AS number
20858 324 34 5 EgyNet
3741 277 856 237 The Internet Solution
2018 246 215 143 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 144 15 7 Ci Telecom Autonomous system
24835 131 46 9 RAYA Telecom - Egypt
5536 123 8 9 Internet Egypt Network
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 4209 3643 323 bellsouth.net, inc.
4323 1912 1048 384 Time Warner Telecom
1785 1725 714 139 PaeTec Communications, Inc.
4766 1719 6979 423 Korea Telecom (KIX)
17488 1550 139 102 Hathway IP Over Cable Interne
8151 1515 2898 245 UniNet S.A. de C.V.
7018 1498 5908 1051 AT&T WorldNet Services
20115 1464 1472 672 Charter Communications
6478 1329 274 284 AT&T Worldnet Services
2386 1289 673 939 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1725 1586 PaeTec Communications, Inc.
4323 1912 1528 Time Warner Telecom
17488 1550 1448 Hathway IP Over Cable Interne
4766 1719 1296 Korea Telecom (KIX)
8151 1515 1270 UniNet S.A. de C.V.
11492 1134 1122 Cable One
4755 1231 1088 TATA Communications formerly
18566 1062 1052 Covad Communications
6478 1329 1045 AT&T Worldnet Services
8452 1025 1018 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
24.38.192.0/18 36377 PATRIOT MEDIA AND COMMUNICATI
24.225.128.0/17 36377 PATRIOT MEDIA AND COMMUNICATI
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
63.131.240.0/20 40414 Optivon, Inc.
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 /10:24 /11:59 /12:170
/13:350 /14:622 /15:1176 /16:10603 /17:4765 /18:8353
/19:17223 /20:20578 /21:20493 /22:26414 /23:26134 /24:153445
/25:909 /26:1022 /27:577 /28:159 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2733 4209 bellsouth.net, inc.
4766 1404 1719 Korea Telecom (KIX)
17488 1296 1550 Hathway IP Over Cable Interne
1785 1194 1725 PaeTec Communications, Inc.
11492 1060 1134 Cable One
18566 1043 1062 Covad Communications
9583 972 1119 Sify Limited
4323 968 1912 Time Warner Telecom
8452 947 1025 TEDATA
10620 881 973 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:212 12:2135 13:7 15:19 16:3
17:5 20:35 24:1123 32:52 34:2 38:585
40:96 41:1748 43:1 44:2 47:22 52:6
53:2 55:2 56:2 57:24 58:602 59:607
60:463 61:951 62:1110 63:2027 64:3699 65:2403
66:3591 67:1696 68:859 69:2722 70:552 71:152
72:1650 73:2 74:1670 75:176 76:350 77:825
78:568 79:359 80:931 81:849 82:588 83:453
84:642 85:1064 86:372 87:677 88:376 89:1478
90:49 91:2452 92:390 93:1103 94:1180 95:1133
96:166 97:257 98:272 99:28 110:174 111:374
112:124 113:151 114:238 115:286 116:1128 117:559
118:337 119:757 120:148 121:638 122:1233 123:680
124:982 125:1379 128:225 129:223 130:129 131:414
132:74 133:13 134:185 135:43 136:226 137:164
138:167 139:82 140:441 141:123 142:384 143:357
144:359 145:48 146:388 147:153 148:530 149:225
150:206 151:193 152:139 153:148 154:2 155:275
156:167 157:301 158:114 159:343 160:290 161:162
162:272 163:162 164:465 165:520 166:466 167:363
168:700 169:176 170:481 171:41 172:10 173:351
174:274 178:1 180:4 186:115 187:163 188:395
189:576 190:2963 192:5790 193:4257 194:3290 195:2690
196:1120 198:3649 199:3367 200:5099 201:1296 202:7750
203:8263 204:3886 205:2159 206:2446 207:2742 208:3903
209:3519 210:2531 211:1106 212:1655 213:1621 214:82
215:29 216:4530 217:1366 218:405 219:410 220:1107
221:479 222:328
End of report
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