[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Apr 10 04:10:08 EST 2010
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 <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 10 Apr, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 317715
Prefixes after maximum aggregation: 146886
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 154431
Total ASes present in the Internet Routing Table: 33740
Prefixes per ASN: 9.42
Origin-only ASes present in the Internet Routing Table: 29288
Origin ASes announcing only one prefix: 14309
Transit ASes present in the Internet Routing Table: 4452
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: 24
Max AS path prepend of ASN (32374) 19
Prefixes from unregistered ASNs in the Routing Table: 555
Unregistered ASNs in the Routing Table: 134
Number of 32-bit ASNs allocated by the RIRs: 513
Prefixes from 32-bit ASNs in the Routing Table: 548
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 231
Number of addresses announced to Internet: 2194938368
Equivalent to 130 /8s, 212 /16s and 26 /24s
Percentage of available address space announced: 59.2
Percentage of allocated address space announced: 65.8
Percentage of available address space allocated: 90.0
Percentage of address space in use by end-sites: 82.1
Total number of prefixes smaller than registry allocations: 152258
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76202
Total APNIC prefixes after maximum aggregation: 26387
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 73052
Unique aggregates announced from the APNIC address blocks: 31963
APNIC Region origin ASes present in the Internet Routing Table: 3990
APNIC Prefixes per ASN: 18.31
APNIC Region origin ASes announcing only one prefix: 1096
APNIC Region transit ASes present in the Internet Routing Table: 625
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 507394112
Equivalent to 30 /8s, 62 /16s and 56 /24s
Percentage of available APNIC address space announced: 79.6
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 1/8, 27/8, 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, 133/8, 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: 132971
Total ARIN prefixes after maximum aggregation: 68737
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 105911
Unique aggregates announced from the ARIN address blocks: 40478
ARIN Region origin ASes present in the Internet Routing Table: 13621
ARIN Prefixes per ASN: 7.78
ARIN Region origin ASes announcing only one prefix: 5272
ARIN Region transit ASes present in the Internet Routing Table: 1347
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 724849952
Equivalent to 43 /8s, 52 /16s and 85 /24s
Percentage of available ARIN address space announced: 61.7
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, 50/8, 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, 107/8,
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: 72807
Total RIPE prefixes after maximum aggregation: 42457
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 65774
Unique aggregates announced from the RIPE address blocks: 43269
RIPE Region origin ASes present in the Internet Routing Table: 14329
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 7421
RIPE Region transit ASes present in the Internet Routing Table: 2143
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 420904608
Equivalent to 25 /8s, 22 /16s and 126 /24s
Percentage of available RIPE address space announced: 78.4
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 2/8, 25/8, 46/8, 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: 28079
Total LACNIC prefixes after maximum aggregation: 6725
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 26436
Unique aggregates announced from the LACNIC address blocks: 13768
LACNIC Region origin ASes present in the Internet Routing Table: 1266
LACNIC Prefixes per ASN: 20.88
LACNIC Region origin ASes announcing only one prefix: 419
LACNIC Region transit ASes present in the Internet Routing Table: 216
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 72079872
Equivalent to 4 /8s, 75 /16s and 218 /24s
Percentage of available LACNIC address space announced: 71.6
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: 6671
Total AfriNIC prefixes after maximum aggregation: 1791
AfriNIC Deaggregation factor: 3.72
Prefixes being announced from the AfriNIC address blocks: 5006
Unique aggregates announced from the AfriNIC address blocks: 1510
AfriNIC Region origin ASes present in the Internet Routing Table: 354
AfriNIC Prefixes per ASN: 14.14
AfriNIC Region origin ASes announcing only one prefix: 101
AfriNIC Region transit ASes present in the Internet Routing Table: 79
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 15066112
Equivalent to 0 /8s, 229 /16s and 228 /24s
Percentage of available AfriNIC address space announced: 44.9
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 1840 8405 478 Korea Telecom (KIX)
17488 1309 136 131 Hathway IP Over Cable Interne
4755 1301 289 146 TATA Communications formerly
7545 1099 201 105 TPG Internet Pty Ltd
4134 1027 20377 397 CHINANET-BACKBONE
17974 998 281 18 PT TELEKOMUNIKASI INDONESIA
9583 985 72 485 Sify Limited
24560 875 303 168 Bharti Airtel Ltd., Telemedia
4808 845 1586 214 CNCGROUP IP network: China169
9829 829 686 26 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 4014 3838 296 bellsouth.net, inc.
4323 3836 1099 398 Time Warner Telecom
1785 1754 699 132 PaeTec Communications, Inc.
7018 1576 5760 1004 AT&T WorldNet Services
20115 1528 1502 657 Charter Communications
2386 1325 618 935 AT&T Data Communications Serv
3356 1232 10956 427 Level 3 Communications, LLC
6478 1187 247 182 AT&T Worldnet Services
11492 1150 222 14 Cable One
22773 1139 2605 71 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
35805 613 56 6 United Telecom of Georgia
3292 448 1899 390 TDC Tele Danmark
30890 440 100 204 Evolva Telecom
702 422 1870 333 UUNET - Commercial IP service
8551 401 356 37 Bezeq International
8866 397 117 18 Bulgarian Telecommunication C
3320 365 7072 319 Deutsche Telekom AG
3301 355 1413 316 TeliaNet Sweden
3215 348 3238 104 France Telecom Transpac
12479 331 576 5 Uni2 Autonomous System
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 1537 2956 240 UniNet S.A. de C.V.
10620 1020 229 169 TVCABLE BOGOTA
28573 898 732 85 NET Servicos de Comunicao S.A
7303 698 361 100 Telecom Argentina Stet-France
6503 542 171 212 AVANTEL, S.A.
22047 540 310 15 VTR PUNTO NET S.A.
18881 530 268 11 Global Village Telecom
7738 477 922 30 Telecomunicacoes da Bahia S.A
3816 457 195 70 Empresa Nacional de Telecomun
14117 455 30 13 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 936 445 10 TEDATA
24863 707 144 41 LINKdotNET AS number
36992 552 120 162 Etisalat MISR
3741 274 853 233 The Internet Solution
33776 262 14 11 Starcomms Nigeria Limited
2018 215 230 111 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 172 19 9 Ci Telecom Autonomous system
24835 138 78 11 RAYA Telecom - Egypt
29975 133 506 14 Vodacom
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 4014 3838 296 bellsouth.net, inc.
4323 3836 1099 398 Time Warner Telecom
4766 1840 8405 478 Korea Telecom (KIX)
1785 1754 699 132 PaeTec Communications, Inc.
7018 1576 5760 1004 AT&T WorldNet Services
8151 1537 2956 240 UniNet S.A. de C.V.
20115 1528 1502 657 Charter Communications
2386 1325 618 935 AT&T Data Communications Serv
17488 1309 136 131 Hathway IP Over Cable Interne
4755 1301 289 146 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
4323 3836 3438 Time Warner Telecom
1785 1754 1622 PaeTec Communications, Inc.
4766 1840 1362 Korea Telecom (KIX)
8151 1537 1297 UniNet S.A. de C.V.
17488 1309 1178 Hathway IP Over Cable Interne
4755 1301 1155 TATA Communications formerly
11492 1150 1136 Cable One
22773 1139 1068 Cox Communications, Inc.
18566 1059 1049 Covad Communications
6478 1187 1005 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 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 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
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.190.64.0/22 28683 Office des Postes et telecomm
41.202.96.0/19 29571 Ci Telecom Autonomous system
41.220.144.0/20 36918 ORASCOM TELECOM ALGERIE VSAT
41.220.159.0/24 36918 ORASCOM TELECOM ALGERIE VSAT
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
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 /10:26 /11:66 /12:192
/13:391 /14:679 /15:1245 /16:11039 /17:5209 /18:8878
/19:18275 /20:22332 /21:22373 /22:29149 /23:28845 /24:166014
/25:973 /26:1208 /27:631 /28:137 /29:9 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2581 4014 bellsouth.net, inc.
4323 2346 3836 Time Warner Telecom
4766 1476 1840 Korea Telecom (KIX)
1785 1216 1754 PaeTec Communications, Inc.
11492 1061 1150 Cable One
17488 1061 1309 Hathway IP Over Cable Interne
18566 1040 1059 Covad Communications
7018 945 1576 AT&T WorldNet Services
10620 926 1020 TVCABLE BOGOTA
3356 840 1232 Level 3 Communications, LLC
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:13 8:257 12:2002 13:10 15:23
16:3 17:8 20:26 24:1414 27:32 32:48
33:12 38:655 40:100 41:2020 44:3 46:1
47:26 52:6 55:5 56:2 57:24 58:711
59:580 60:433 61:1155 62:1037 63:1971 64:3819
65:2358 66:4167 67:1788 68:1052 69:2778 70:707
71:238 72:1842 73:2 74:2161 75:246 76:311
77:843 78:603 79:397 80:988 81:774 82:458
83:454 84:693 85:1031 86:382 87:686 88:327
89:1525 90:85 91:2713 92:438 93:1118 94:1389
95:577 96:233 97:297 98:541 99:26 109:447
110:294 111:481 112:244 113:261 114:385 115:612
116:1022 117:629 118:413 119:921 120:148 121:859
122:1401 123:873 124:1104 125:1291 128:208 129:205
130:160 131:560 132:246 133:17 134:196 135:44
136:223 137:168 138:254 139:94 140:479 141:137
142:375 143:379 144:468 145:52 146:428 147:168
148:583 149:283 150:151 151:171 152:274 153:170
154:2 155:327 156:199 157:324 158:107 159:364
160:315 161:177 162:269 163:169 164:401 165:521
166:509 167:404 168:801 169:157 170:735 171:48
172:2 173:627 174:651 175:73 178:28 180:373
181:4 182:34 183:241 184:28 186:347 187:290
188:1224 189:731 190:3605 192:5732 193:4642 194:3346
195:2794 196:1170 198:3557 199:3392 200:5259 201:1496
202:7955 203:8315 204:4060 205:2297 206:2523 207:3014
208:3893 209:3449 210:2516 211:1241 212:1707 213:1679
214:595 215:72 216:4471 217:1521 218:486 219:425
220:1112 221:389 222:316
End of report
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