[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Sep 19 04:14:00 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 19 Sep, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 296617
Prefixes after maximum aggregation: 139697
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 147808
Total ASes present in the Internet Routing Table: 32213
Prefixes per ASN: 9.21
Origin-only ASes present in the Internet Routing Table: 27997
Origin ASes announcing only one prefix: 13673
Transit ASes present in the Internet Routing Table: 4216
Transit-only ASes present in the Internet Routing Table: 102
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 432
Unregistered ASNs in the Routing Table: 121
Number of 32-bit ASNs allocated by the RIRs: 275
Prefixes from 32-bit ASNs in the Routing Table: 126
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 229
Number of addresses announced to Internet: 2107111040
Equivalent to 125 /8s, 151 /16s and 246 /24s
Percentage of available address space announced: 56.8
Percentage of allocated address space announced: 65.1
Percentage of available address space allocated: 87.3
Percentage of address space in use by end-sites: 78.9
Total number of prefixes smaller than registry allocations: 142159
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 71434
Total APNIC prefixes after maximum aggregation: 25020
APNIC Deaggregation factor: 2.86
Prefixes being announced from the APNIC address blocks: 67830
Unique aggregates announced from the APNIC address blocks: 30301
APNIC Region origin ASes present in the Internet Routing Table: 3792
APNIC Prefixes per ASN: 17.89
APNIC Region origin ASes announcing only one prefix: 1036
APNIC Region transit ASes present in the Internet Routing Table: 583
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 460221984
Equivalent to 27 /8s, 110 /16s and 110 /24s
Percentage of available APNIC address space announced: 78.4
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 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: 125111
Total ARIN prefixes after maximum aggregation: 66615
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 99638
Unique aggregates announced from the ARIN address blocks: 38372
ARIN Region origin ASes present in the Internet Routing Table: 13244
ARIN Prefixes per ASN: 7.52
ARIN Region origin ASes announcing only one prefix: 5129
ARIN Region transit ASes present in the Internet Routing Table: 1300
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 705394816
Equivalent to 42 /8s, 11 /16s and 120 /24s
Percentage of available ARIN address space announced: 61.8
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, 393216-394239
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: 68436
Total RIPE prefixes after maximum aggregation: 40022
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 62149
Unique aggregates announced from the RIPE address blocks: 41489
RIPE Region origin ASes present in the Internet Routing Table: 13484
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7037
RIPE Region transit ASes present in the Internet Routing Table: 2031
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 399639232
Equivalent to 23 /8s, 210 /16s and 2 /24s
Percentage of available RIPE address space announced: 79.4
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, 196608-197631
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: 25376
Total LACNIC prefixes after maximum aggregation: 6231
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 23706
Unique aggregates announced from the LACNIC address blocks: 13257
LACNIC Region origin ASes present in the Internet Routing Table: 1177
LACNIC Prefixes per ASN: 20.14
LACNIC Region origin ASes announcing only one prefix: 381
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: 21
Number of LACNIC addresses announced to Internet: 66558464
Equivalent to 3 /8s, 247 /16s and 154 /24s
Percentage of available LACNIC address space announced: 66.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 5892
Total AfriNIC prefixes after maximum aggregation: 1545
AfriNIC Deaggregation factor: 3.81
Prefixes being announced from the AfriNIC address blocks: 4268
Unique aggregates announced from the AfriNIC address blocks: 1495
AfriNIC Region origin ASes present in the Internet Routing Table: 319
AfriNIC Prefixes per ASN: 13.38
AfriNIC Region origin ASes announcing only one prefix: 90
AfriNIC Region transit ASes present in the Internet Routing Table: 68
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12382208
Equivalent to 0 /8s, 188 /16s and 240 /24s
Percentage of available AfriNIC address space announced: 36.9
AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 1761 6995 453 Korea Telecom (KIX)
17488 1547 138 105 Hathway IP Over Cable Interne
4755 1263 292 143 TATA Communications formerly
9583 1098 87 533 Sify Limited
4134 1008 18168 391 CHINANET-BACKBONE
18101 976 203 33 Reliance Infocom Ltd Internet
7545 857 198 100 TPG Internet Pty Ltd
9829 812 625 18 BSNL National Internet Backbo
24560 766 284 166 Bharti Airtel Ltd., Telemedia
4808 764 1518 182 CNCGROUP IP network: China169
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 4170 3627 313 bellsouth.net, inc.
4323 1927 1049 386 Time Warner Telecom
1785 1742 714 138 PaeTec Communications, Inc.
20115 1641 1478 673 Charter Communications
7018 1488 5875 1053 AT&T WorldNet Services
6478 1427 284 259 AT&T Worldnet Services
2386 1313 656 951 AT&T Data Communications Serv
3356 1227 10980 439 Level 3 Communications, LLC
11492 1123 208 12 Cable One
22773 1102 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 491 93 200 Evolva Telecom
3292 447 1900 394 TDC Tele Danmark
12479 424 578 6 Uni2 Autonomous System
702 423 1821 341 UUNET - Commercial IP service
35805 392 40 5 United Telecom of Georgia
9198 376 138 12 Kazakhtelecom Data Network Ad
8866 358 110 23 Bulgarian Telecommunication C
3320 354 7067 303 Deutsche Telekom AG
3301 349 1412 309 TeliaNet Sweden
3215 347 3121 111 France Telecom Transpac
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 1476 2899 246 UniNet S.A. de C.V.
10620 1010 226 99 TVCABLE BOGOTA
28573 710 622 62 NET Servicos de Comunicao S.A
7303 640 339 90 Telecom Argentina Stet-France
22047 542 302 14 VTR PUNTO NET S.A.
11830 475 310 61 Instituto Costarricense de El
11172 439 99 70 Servicios Alestra S.A de C.V
7738 424 858 29 Telecomunicacoes da Bahia S.A
6471 423 96 31 ENTEL CHILE S.A.
14117 418 29 11 Telefonica del Sur 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
8452 978 188 7 TEDATA
24863 935 96 61 LINKdotNET AS number
3741 272 856 234 The Internet Solution
2018 197 187 116 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
29571 139 14 6 Ci Telecom Autonomous system
24835 123 46 9 RAYA Telecom - Egypt
33776 123 7 11 Starcomms Nigeria Limited
5536 122 8 13 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 4170 3627 313 bellsouth.net, inc.
4323 1927 1049 386 Time Warner Telecom
4766 1761 6995 453 Korea Telecom (KIX)
1785 1742 714 138 PaeTec Communications, Inc.
20115 1641 1478 673 Charter Communications
17488 1547 138 105 Hathway IP Over Cable Interne
7018 1488 5875 1053 AT&T WorldNet Services
8151 1476 2899 246 UniNet S.A. de C.V.
6478 1427 284 259 AT&T Worldnet Services
2386 1313 656 951 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 1742 1604 PaeTec Communications, Inc.
4323 1927 1541 Time Warner Telecom
17488 1547 1442 Hathway IP Over Cable Interne
4766 1761 1308 Korea Telecom (KIX)
8151 1476 1230 UniNet S.A. de C.V.
6478 1427 1168 AT&T Worldnet Services
4755 1263 1120 TATA Communications formerly
11492 1123 1111 Cable One
18566 1062 1052 Covad Communications
22773 1102 1036 Cox Communications, Inc.
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<<
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
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
64.72.112.0/20 19166 Allied Riser Communications,
64.247.160.0/20 10937 Island Internet Services
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 /10:24 /11:63 /12:175
/13:355 /14:626 /15:1197 /16:10663 /17:4826 /18:8374
/19:17422 /20:20842 /21:20788 /22:27097 /23:26608 /24:154744
/25:932 /26:1056 /27:567 /28:166 /29:40 /30:15
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2701 4170 bellsouth.net, inc.
4766 1434 1761 Korea Telecom (KIX)
17488 1292 1547 Hathway IP Over Cable Interne
1785 1209 1742 PaeTec Communications, Inc.
11492 1051 1123 Cable One
18566 1043 1062 Covad Communications
4323 968 1927 Time Warner Telecom
9583 950 1098 Sify Limited
10620 916 1010 TVCABLE BOGOTA
8452 902 978 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:226 12:2150 13:7 15:21 16:3
17:5 20:36 24:1136 32:52 34:2 38:601
40:97 41:1717 43:1 44:2 47:13 52:6
55:2 56:2 57:25 58:608 59:635 60:461
61:1071 62:1030 63:2013 64:3632 65:2402 66:3402
67:1790 68:979 69:2749 70:569 71:157 72:1657
73:2 74:1745 75:179 76:323 77:872 78:586
79:380 80:900 81:798 82:518 83:437 84:529
85:1029 86:380 87:680 88:386 89:1473 90:55
91:2553 92:404 93:1230 94:1180 95:1098 96:165
97:266 98:287 99:30 109:3 110:201 111:438
112:131 113:150 114:256 115:350 116:1134 117:562
118:329 119:785 120:122 121:772 122:1278 123:768
124:1054 125:1367 128:222 129:217 130:129 131:423
132:75 133:10 134:174 135:42 136:241 137:164
138:173 139:84 140:433 141:121 142:382 143:343
144:377 145:49 146:391 147:163 148:531 149:213
150:208 151:187 152:215 153:155 154:2 155:279
156:165 157:304 158:113 159:352 160:291 161:164
162:271 163:165 164:276 165:522 166:475 167:371
168:685 169:166 170:473 171:40 172:2 173:413
174:331 175:1 178:1 180:25 182:1 186:142
187:147 188:1018 189:571 190:3016 192:5768 193:4269
194:3286 195:2757 196:1141 198:3554 199:3349 200:5188
201:1309 202:7844 203:8269 204:3896 205:2194 206:2391
207:2725 208:3955 209:3394 210:2563 211:1127 212:1603
213:1636 214:178 215:33 216:4282 217:1313 218:410
219:450 220:1132 221:442 222:325
End of report
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