[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 26 18:13:24 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 27 Jun, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 289314
Prefixes after maximum aggregation: 137532
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 143144
Total ASes present in the Internet Routing Table: 31577
Prefixes per ASN: 9.16
Origin-only ASes present in the Internet Routing Table: 27449
Origin ASes announcing only one prefix: 13372
Transit ASes present in the Internet Routing Table: 4128
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: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 465
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 183
Prefixes from 32-bit ASNs in the Routing Table: 61
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 845
Number of addresses announced to Internet: 2060355024
Equivalent to 122 /8s, 206 /16s and 133 /24s
Percentage of available address space announced: 55.6
Percentage of allocated address space announced: 64.3
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 77.5
Total number of prefixes smaller than registry allocations: 143081
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69089
Total APNIC prefixes after maximum aggregation: 24566
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 68502
Unique aggregates announced from the APNIC address blocks: 30738
APNIC Region origin ASes present in the Internet Routing Table: 3683
APNIC Prefixes per ASN: 18.60
APNIC Region origin ASes announcing only one prefix: 1003
APNIC Region transit ASes present in the Internet Routing Table: 563
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 460662416
Equivalent to 27 /8s, 117 /16s and 38 /24s
Percentage of available APNIC address space announced: 85.8
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: 123464
Total ARIN prefixes after maximum aggregation: 66016
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 124206
Unique aggregates announced from the ARIN address blocks: 51842
ARIN Region origin ASes present in the Internet Routing Table: 13056
ARIN Prefixes per ASN: 9.51
ARIN Region origin ASes announcing only one prefix: 5016
ARIN Region transit ASes present in the Internet Routing Table: 1286
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1009889856
Equivalent to 60 /8s, 49 /16s and 178 /24s
Percentage of available ARIN address space announced: 194.2
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 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: 66136
Total RIPE prefixes after maximum aggregation: 39167
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 65269
Unique aggregates announced from the RIPE address blocks: 43954
RIPE Region origin ASes present in the Internet Routing Table: 13209
RIPE Prefixes per ASN: 4.94
RIPE Region origin ASes announcing only one prefix: 6900
RIPE Region transit ASes present in the Internet Routing Table: 1980
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 483628352
Equivalent to 28 /8s, 211 /16s and 149 /24s
Percentage of available RIPE address space announced: 103.0
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, 47104-52223
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: 24127
Total LACNIC prefixes after maximum aggregation: 5978
LACNIC Deaggregation factor: 4.04
Prefixes being announced from the LACNIC address blocks: 23993
Unique aggregates announced from the LACNIC address blocks: 13443
LACNIC Region origin ASes present in the Internet Routing Table: 1127
LACNIC Prefixes per ASN: 21.29
LACNIC Region origin ASes announcing only one prefix: 362
LACNIC Region transit ASes present in the Internet Routing Table: 189
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 71744256
Equivalent to 4 /8s, 70 /16s and 187 /24s
Percentage of available LACNIC address space announced: 71.3
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: 6091
Total AfriNIC prefixes after maximum aggregation: 1486
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 6485
Unique aggregates announced from the AfriNIC address blocks: 2509
AfriNIC Region origin ASes present in the Internet Routing Table: 300
AfriNIC Prefixes per ASN: 21.62
AfriNIC Region origin ASes announcing only one prefix: 91
AfriNIC Region transit ASes present in the Internet Routing Table: 64
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 20142592
Equivalent to 1 /8s, 51 /16s and 90 /24s
Percentage of available AfriNIC address space announced: 60.0
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 1706 6930 403 Korea Telecom (KIX)
17488 1536 138 95 Hathway IP Over Cable Interne
4755 1216 327 138 TATA Communications formerly
9583 1116 89 557 Sify Limited
4134 949 17104 377 CHINANET-BACKBONE
7545 807 198 101 TPG Internet Pty Ltd
23577 783 34 666 Korea Telecom (ATM-MPLS)
18101 752 201 33 Reliance Infocom Ltd Internet
24560 721 230 172 Bharti Airtel Ltd.
9829 714 603 18 BSNL National Internet Backbo
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 4272 3647 324 bellsouth.net, inc.
4323 1877 1039 380 Time Warner Telecom
1785 1697 714 138 PaeTec Communications, Inc.
7018 1503 5925 1042 AT&T WorldNet Services
20115 1404 1470 672 Charter Communications
6478 1394 307 432 AT&T Worldnet Services
2386 1265 670 919 AT&T Data Communications Serv
3356 1202 10964 449 Level 3 Communications, LLC
11492 1117 208 12 Cable One
22773 1064 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
3292 456 1902 393 TDC Tele Danmark
12479 450 578 6 Uni2 Autonomous System
702 428 1861 345 UUNET - Commercial IP service
30890 418 88 198 Evolva Telecom
35805 353 40 5 United Telecom of Georgia
8866 351 109 21 Bulgarian Telecommunication C
3301 347 1668 309 TeliaNet Sweden
3215 341 3041 106 France Telecom Transpac
3320 340 7067 298 Deutsche Telekom AG
29049 317 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 1459 2879 233 UniNet S.A. de C.V.
10620 918 210 113 TVCABLE BOGOTA
22047 599 302 14 VTR PUNTO NET S.A.
28573 581 570 31 NET Servicos de Comunicao S.A
7303 566 299 86 Telecom Argentina Stet-France
11830 486 293 63 Instituto Costarricense de El
11172 441 102 70 Servicios Alestra S.A de C.V
6471 439 96 31 ENTEL CHILE S.A.
7738 404 794 28 Telecomunicacoes da Bahia S.A
3816 371 189 83 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 940 188 7 TEDATA
24863 892 85 42 LINKdotNET AS number
20858 324 34 5 EgyNet
3741 276 856 236 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
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 4272 3647 324 bellsouth.net, inc.
4323 1877 1039 380 Time Warner Telecom
4766 1706 6930 403 Korea Telecom (KIX)
1785 1697 714 138 PaeTec Communications, Inc.
17488 1536 138 95 Hathway IP Over Cable Interne
7018 1503 5925 1042 AT&T WorldNet Services
8151 1459 2879 233 UniNet S.A. de C.V.
20115 1404 1470 672 Charter Communications
6478 1394 307 432 AT&T Worldnet Services
2386 1265 670 919 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 1697 1559 PaeTec Communications, Inc.
4323 1877 1497 Time Warner Telecom
17488 1536 1441 Hathway IP Over Cable Interne
4766 1706 1303 Korea Telecom (KIX)
8151 1459 1226 UniNet S.A. de C.V.
11492 1117 1105 Cable One
4755 1216 1078 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1064 998 Cox Communications, Inc.
6478 1394 962 AT&T Worldnet Services
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
41.223.112.0/22 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
64.31.59.0/24 7017 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 /8:19 /9:10 /10:22 /11:58 /12:168
/13:351 /14:606 /15:1159 /16:10512 /17:4751 /18:8177
/19:16879 /20:20304 /21:20131 /22:26072 /23:25781 /24:151676
/25:881 /26:1031 /27:557 /28:147 /29:8 /30:6
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2782 4272 bellsouth.net, inc.
4766 1399 1706 Korea Telecom (KIX)
17488 1282 1536 Hathway IP Over Cable Interne
1785 1173 1697 PaeTec Communications, Inc.
11492 1044 1117 Cable One
18566 1043 1062 Covad Communications
2386 983 1265 AT&T Data Communications Serv
9583 968 1116 Sify Limited
4323 959 1877 Time Warner Telecom
7018 871 1503 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:204 12:2240 13:10 15:19 16:3
17:4 20:36 24:1050 32:52 34:2 38:574
40:96 41:1710 43:1 44:2 47:15 52:4
55:2 56:3 57:24 58:574 59:643 60:459
61:1080 62:1115 63:2015 64:3727 65:2384 66:3605
67:1638 68:805 69:2662 70:554 71:145 72:1667
73:2 74:1593 75:167 76:326 77:847 78:555
79:357 80:973 81:841 82:562 83:436 84:637
85:1040 86:397 87:661 88:354 89:1437 90:57
91:2362 92:349 93:1128 94:1232 95:1071 96:143
97:216 98:249 99:23 110:162 111:41 112:137
113:126 114:261 115:304 116:1156 117:534 118:301
119:709 120:142 121:759 122:1036 123:699 124:975
125:1342 128:223 129:237 130:127 131:412 132:74
133:9 134:185 135:38 136:224 137:162 138:164
139:80 140:443 141:120 142:380 143:346 144:364
145:48 146:381 147:155 148:519 149:238 150:177
151:193 152:145 153:145 154:2 155:276 156:171
157:301 158:116 159:343 160:284 161:153 162:273
163:161 164:482 165:500 166:456 167:359 168:665
169:168 170:476 171:39 172:10 173:303 174:227
178:1 180:1 183:1 186:96 187:96 188:106
189:434 190:2810 192:5785 193:4243 194:3308 195:2701
196:1099 198:3599 199:3341 200:5102 201:1286 202:7912
203:8236 204:3874 205:2161 206:2438 207:2726 208:3890
209:3404 210:2677 211:1128 212:1567 213:1660 214:80
215:30 216:4551 217:1309 218:394 219:430 220:1223
221:483 222:304
End of report
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