[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 24 18:14:48 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 25 Apr, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 286265
Prefixes after maximum aggregation: 135384
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 141034
Total ASes present in the Internet Routing Table: 31102
Prefixes per ASN: 9.20
Origin-only ASes present in the Internet Routing Table: 27064
Origin ASes announcing only one prefix: 13174
Transit ASes present in the Internet Routing Table: 4038
Transit-only ASes present in the Internet Routing Table: 94
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 33
Max AS path prepend of ASN (43683) 31
Prefixes from unregistered ASNs in the Routing Table: 456
Unregistered ASNs in the Routing Table: 152
Number of 32-bit ASNs allocated by the RIRs: 141
Prefixes from 32-bit ASNs in the Routing Table: 25
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 208
Number of addresses announced to Internet: 2035527744
Equivalent to 121 /8s, 83 /16s and 176 /24s
Percentage of available address space announced: 54.9
Percentage of allocated address space announced: 64.2
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 76.5
Total number of prefixes smaller than registry allocations: 141104
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 66477
Total APNIC prefixes after maximum aggregation: 23664
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 63236
Unique aggregates announced from the APNIC address blocks: 28895
APNIC Region origin ASes present in the Internet Routing Table: 3607
APNIC Prefixes per ASN: 17.53
APNIC Region origin ASes announcing only one prefix: 974
APNIC Region transit ASes present in the Internet Routing Table: 548
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 411598112
Equivalent to 24 /8s, 136 /16s and 125 /24s
Percentage of available APNIC address space announced: 81.8
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,
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: 124769
Total ARIN prefixes after maximum aggregation: 65935
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 93936
Unique aggregates announced from the ARIN address blocks: 36650
ARIN Region origin ASes present in the Internet Routing Table: 12944
ARIN Prefixes per ASN: 7.26
ARIN Region origin ASes announcing only one prefix: 4998
ARIN Region transit ASes present in the Internet Routing Table: 1253
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 427360000
Equivalent to 25 /8s, 120 /16s and 255 /24s
Percentage of available ARIN address space announced: 82.2
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: 65947
Total RIPE prefixes after maximum aggregation: 38185
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 60269
Unique aggregates announced from the RIPE address blocks: 40136
RIPE Region origin ASes present in the Internet Routing Table: 12930
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 6763
RIPE Region transit ASes present in the Internet Routing Table: 1952
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 393057312
Equivalent to 23 /8s, 109 /16s and 148 /24s
Percentage of available RIPE address space announced: 83.7
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: 23764
Total LACNIC prefixes after maximum aggregation: 5853
LACNIC Deaggregation factor: 4.06
Prefixes being announced from the LACNIC address blocks: 21917
Unique aggregates announced from the LACNIC address blocks: 12078
LACNIC Region origin ASes present in the Internet Routing Table: 1095
LACNIC Prefixes per ASN: 20.02
LACNIC Region origin ASes announcing only one prefix: 350
LACNIC Region transit ASes present in the Internet Routing Table: 181
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 62481664
Equivalent to 3 /8s, 185 /16s and 101 /24s
Percentage of available LACNIC address space announced: 62.1
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: 4885
Total AfriNIC prefixes after maximum aggregation: 1406
AfriNIC Deaggregation factor: 3.47
Prefixes being announced from the AfriNIC address blocks: 4578
Unique aggregates announced from the AfriNIC address blocks: 1394
AfriNIC Region origin ASes present in the Internet Routing Table: 292
AfriNIC Prefixes per ASN: 15.68
AfriNIC Region origin ASes announcing only one prefix: 89
AfriNIC Region transit ASes present in the Internet Routing Table: 59
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 11293696
Equivalent to 0 /8s, 172 /16s and 84 /24s
Percentage of available AfriNIC address space announced: 33.7
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 1694 6930 401 Korea Telecom (KIX)
17488 1553 124 98 Hathway IP Over Cable Interne
4755 1229 432 176 TATA Communications formerly
9583 1090 87 539 Sify Limited
4134 896 16580 371 CHINANET-BACKBONE
7545 788 168 107 TPG Internet Pty Ltd
18101 751 217 31 Reliance Infocom Ltd Internet
24560 682 228 174 Bharti Airtel Ltd.
9498 675 297 53 BHARTI BT INTERNET LTD.
9829 634 495 21 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 4314 3669 346 bellsouth.net, inc.
209 2648 4151 624 Qwest
4323 1837 1051 375 Time Warner Telecom
1785 1752 717 139 PaeTec Communications, Inc.
20115 1616 1439 719 Charter Communications
7018 1479 5897 1015 AT&T WorldNet Services
6478 1368 305 454 AT&T Worldnet Services
2386 1255 681 905 AT&T Data Communications Serv
3356 1194 10980 454 Level 3 Communications, LLC
11492 1163 192 11 Cable One
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 1248 188 7 TEDATA
30890 539 88 198 SC Kappa Invexim SRL
3292 452 1764 390 TDC Tele Danmark
12479 447 578 6 Uni2 Autonomous System
3301 343 1670 307 TeliaNet Sweden
3320 342 7080 293 Deutsche Telekom AG
3215 340 3025 108 France Telecom Transpac
8866 337 109 22 Bulgarian Telecommunication C
35805 324 24 4 United Telecom of Georgia
29049 319 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 1450 2848 233 UniNet S.A. de C.V.
10620 889 198 97 TVCABLE BOGOTA
22047 615 302 14 VTR PUNTO NET S.A.
7303 521 270 74 Telecom Argentina Stet-France
11830 516 294 34 Instituto Costarricense de El
16814 461 31 10 NSS, S.A.
6471 442 96 31 ENTEL CHILE S.A.
11172 410 102 72 Servicios Alestra S.A de C.V
28573 405 536 26 NET Servicos de Comunicao S.A
7738 397 794 28 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 855 78 35 LINKdotNET AS number
20858 297 34 4 This AS will be used to conne
3741 277 860 237 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 159 150 15 Itissalat Al-MAGHRIB
33783 151 10 8 EEPAD TISP TELECOM & INTERNET
29571 138 15 9 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
5713 115 507 66 Telkom SA Ltd
33776 107 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 4314 3669 346 bellsouth.net, inc.
209 2648 4151 624 Qwest
4323 1837 1051 375 Time Warner Telecom
1785 1752 717 139 PaeTec Communications, Inc.
4766 1694 6930 401 Korea Telecom (KIX)
20115 1616 1439 719 Charter Communications
17488 1553 124 98 Hathway IP Over Cable Interne
7018 1479 5897 1015 AT&T WorldNet Services
8151 1450 2848 233 UniNet S.A. de C.V.
6478 1368 305 454 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2648 2024 Qwest
1785 1752 1613 PaeTec Communications, Inc.
4323 1837 1462 Time Warner Telecom
17488 1553 1455 Hathway IP Over Cable Interne
4766 1694 1293 Korea Telecom (KIX)
8452 1248 1241 TEDATA
8151 1450 1217 UniNet S.A. de C.V.
11492 1163 1152 Cable One
4755 1229 1053 TATA Communications formerly
18566 1059 1049 Covad Communications
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
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 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
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 /10:20 /11:58 /12:166
/13:335 /14:595 /15:1147 /16:10427 /17:4694 /18:8086
/19:17057 /20:20310 /21:20145 /22:25752 /23:25374 /24:149930
/25:726 /26:848 /27:350 /28:161 /29:37 /30:10
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2812 4314 bellsouth.net, inc.
4766 1391 1694 Korea Telecom (KIX)
209 1353 2648 Qwest
17488 1304 1553 Hathway IP Over Cable Interne
8452 1227 1248 TEDATA
1785 1158 1752 PaeTec Communications, Inc.
11492 1107 1163 Cable One
18566 1040 1059 Covad Communications
2386 954 1255 AT&T Data Communications Serv
4323 951 1837 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:200 12:2223 13:3 15:19 16:3
17:4 20:35 24:1076 32:50 38:523 40:97
41:2012 43:1 44:2 47:22 52:3 55:2
56:3 57:25 58:573 59:629 60:460 61:1114
62:1106 63:2034 64:3663 65:2394 66:3599 67:1514
68:719 69:2577 70:534 71:134 72:1652 73:2
74:1494 75:168 76:306 77:847 78:555 79:311
80:979 81:815 82:543 83:423 84:606 85:1059
86:394 87:635 88:357 89:1454 90:47 91:2161
92:350 93:1125 94:1189 95:1041 96:120 97:189
98:214 99:17 109:1 110:58 112:108 113:100
114:224 115:249 116:1159 117:515 118:293 119:668
120:143 121:704 122:1011 123:673 124:970 125:1311
128:224 129:231 130:127 131:417 132:73 133:9
134:185 135:214 136:242 137:151 138:149 139:79
140:424 141:107 142:376 143:335 144:357 145:45
146:372 147:154 148:519 149:236 150:181 151:198
152:151 153:138 154:2 155:271 156:169 157:298
158:126 159:304 160:282 161:133 162:274 163:149
164:482 165:537 166:267 167:357 168:687 169:163
170:472 171:38 172:10 173:271 174:186 178:1
186:8 187:76 188:9 189:333 190:2712 192:5797
193:4227 194:3309 195:2691 196:1055 198:3715 199:3321
200:5437 201:1347 202:7853 203:8163 204:3807 205:2150
206:2407 207:2806 208:3881 209:3390 210:2646 211:1100
212:1527 213:1713 214:71 215:30 216:4572 217:1260
218:361 219:420 220:1208 221:453 222:296
End of report
More information about the afnog
mailing list