[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jul 10 04:10:06 EST 2010
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG and
the RIPE Routing Working Group.
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 10 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 325466
Prefixes after maximum aggregation: 149552
Deaggregation factor: 2.18
Unique aggregates announced to Internet: 158969
Total ASes present in the Internet Routing Table: 34308
Prefixes per ASN: 9.49
Origin-only ASes present in the Internet Routing Table: 29787
Origin ASes announcing only one prefix: 14424
Transit ASes present in the Internet Routing Table: 4521
Transit-only ASes present in the Internet Routing Table: 105
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 302
Unregistered ASNs in the Routing Table: 115
Number of 32-bit ASNs allocated by the RIRs: 679
Prefixes from 32-bit ASNs in the Routing Table: 817
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 158
Number of addresses announced to Internet: 2254936928
Equivalent to 134 /8s, 103 /16s and 155 /24s
Percentage of available address space announced: 60.8
Percentage of allocated address space announced: 65.6
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.6
Total number of prefixes smaller than registry allocations: 155267
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78693
Total APNIC prefixes after maximum aggregation: 27034
APNIC Deaggregation factor: 2.91
Prefixes being announced from the APNIC address blocks: 75569
Unique aggregates announced from the APNIC address blocks: 33337
APNIC Region origin ASes present in the Internet Routing Table: 4107
APNIC Prefixes per ASN: 18.40
APNIC Region origin ASes announcing only one prefix: 1132
APNIC Region transit ASes present in the Internet Routing Table: 638
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 526528800
Equivalent to 31 /8s, 98 /16s and 49 /24s
Percentage of available APNIC address space announced: 78.5
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, 14/8, 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, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 134709
Total ARIN prefixes after maximum aggregation: 69317
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107638
Unique aggregates announced from the ARIN address blocks: 41899
ARIN Region origin ASes present in the Internet Routing Table: 13775
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5281
ARIN Region transit ASes present in the Internet Routing Table: 1351
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 730782240
Equivalent to 43 /8s, 142 /16s and 218 /24s
Percentage of available ARIN address space announced: 62.2
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, 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: 74687
Total RIPE prefixes after maximum aggregation: 43289
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 67835
Unique aggregates announced from the RIPE address blocks: 44452
RIPE Region origin ASes present in the Internet Routing Table: 14572
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 7500
RIPE Region transit ASes present in the Internet Routing Table: 2177
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 433722912
Equivalent to 25 /8s, 218 /16s and 22 /24s
Percentage of available RIPE address space announced: 76.0
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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 31/8, 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, 176/8, 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: 28990
Total LACNIC prefixes after maximum aggregation: 6947
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 27474
Unique aggregates announced from the LACNIC address blocks: 14473
LACNIC Region origin ASes present in the Internet Routing Table: 1305
LACNIC Prefixes per ASN: 21.05
LACNIC Region origin ASes announcing only one prefix: 401
LACNIC Region transit ASes present in the Internet Routing Table: 226
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75275520
Equivalent to 4 /8s, 124 /16s and 157 /24s
Percentage of available LACNIC address space announced: 56.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 7322
Total AfriNIC prefixes after maximum aggregation: 1844
AfriNIC Deaggregation factor: 3.97
Prefixes being announced from the AfriNIC address blocks: 5621
Unique aggregates announced from the AfriNIC address blocks: 1725
AfriNIC Region origin ASes present in the Internet Routing Table: 373
AfriNIC Prefixes per ASN: 15.07
AfriNIC Region origin ASes announcing only one prefix: 110
AfriNIC Region transit ASes present in the Internet Routing Table: 82
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19610368
Equivalent to 1 /8s, 43 /16s and 59 /24s
Percentage of available AfriNIC address space announced: 58.4
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 1857 8425 493 Korea Telecom (KIX)
4755 1369 296 163 TATA Communications formerly
7545 1359 232 105 TPG Internet Pty Ltd
17488 1322 144 125 Hathway IP Over Cable Interne
17974 1156 285 28 PT TELEKOMUNIKASI INDONESIA
9583 999 74 488 Sify Limited
24560 927 305 168 Bharti Airtel Ltd., Telemedia
4134 877 21420 409 CHINANET-BACKBONE
4808 824 1575 219 CNCGROUP IP network: China169
9829 810 683 29 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 3903 3734 290 bellsouth.net, inc.
4323 2719 1114 394 Time Warner Telecom
19262 1827 4562 274 Verizon Global Networks
1785 1778 698 129 PaeTec Communications, Inc.
20115 1546 1522 655 Charter Communications
7018 1510 5735 962 AT&T WorldNet Services
6478 1284 258 126 AT&T Worldnet Services
2386 1279 567 903 AT&T Data Communications Serv
3356 1175 10877 405 Level 3 Communications, LLC
22773 1167 2859 65 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 650 56 6 United Telecom of Georgia
3292 452 2027 393 TDC Tele Danmark
30890 442 111 207 Evolva Telecom
702 414 1869 326 UUNET - Commercial IP service
9198 409 202 13 Kazakhtelecom Data Network Ad
8866 402 117 18 Bulgarian Telecommunication C
8551 400 353 46 Bezeq International
3320 373 7329 324 Deutsche Telekom AG
3301 372 1414 327 TeliaNet Sweden
34984 359 89 185 BILISIM TELEKOM
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 1523 3017 245 UniNet S.A. de C.V.
10620 1062 238 150 TVCABLE BOGOTA
28573 1028 795 98 NET Servicos de Comunicao S.A
7303 760 390 104 Telecom Argentina Stet-France
6503 682 175 219 AVANTEL, S.A.
22047 548 310 15 VTR PUNTO NET S.A.
3816 499 216 87 Empresa Nacional de Telecomun
14420 489 31 71 CORPORACION NACIONAL DE TELEC
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 451 99 77 Servicios Alestra S.A de C.V
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 1165 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 646 279 185 Etisalat MISR
3741 267 834 229 The Internet Solution
33776 219 12 11 Starcomms Nigeria Limited
2018 209 244 61 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 191 78 10 RAYA Telecom - Egypt
29571 177 19 10 Ci Telecom Autonomous system
16637 161 440 96 MTN Network Solutions
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 3903 3734 290 bellsouth.net, inc.
4323 2719 1114 394 Time Warner Telecom
4766 1857 8425 493 Korea Telecom (KIX)
19262 1827 4562 274 Verizon Global Networks
1785 1778 698 129 PaeTec Communications, Inc.
20115 1546 1522 655 Charter Communications
8151 1523 3017 245 UniNet S.A. de C.V.
7018 1510 5735 962 AT&T WorldNet Services
4755 1369 296 163 TATA Communications formerly
7545 1359 232 105 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2719 2325 Time Warner Telecom
1785 1778 1649 PaeTec Communications, Inc.
19262 1827 1553 Verizon Global Networks
4766 1857 1364 Korea Telecom (KIX)
8151 1523 1278 UniNet S.A. de C.V.
7545 1359 1254 TPG Internet Pty Ltd
4755 1369 1206 TATA Communications formerly
17488 1322 1197 Hathway IP Over Cable Interne
6478 1284 1158 AT&T Worldnet Services
8452 1165 1155 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 12.39.155.0/24 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
31.0.0.0/16 12654 RIPE NCC RIS Project
31.1.0.0/21 12654 RIPE NCC RIS Project
31.1.24.0/24 12654 RIPE NCC RIS Project
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 6453 Teleglobe Inc.
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
41.223.198.0/24 36990 Alkan Telecom Ltd
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 /10:25 /11:68 /12:196
/13:407 /14:709 /15:1286 /16:11170 /17:5348 /18:9150
/19:18443 /20:22955 /21:22945 /22:30130 /23:29679 /24:169670
/25:1036 /26:1328 /27:714 /28:117 /29:47 /30:6
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2501 3903 bellsouth.net, inc.
4766 1485 1857 Korea Telecom (KIX)
4323 1392 2719 Time Warner Telecom
1785 1239 1778 PaeTec Communications, Inc.
11492 1074 1165 Cable One
18566 1068 1087 Covad Communications
17488 1067 1322 Hathway IP Over Cable Interne
8452 1053 1165 TEDATA
10620 978 1062 TVCABLE BOGOTA
7018 910 1510 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:7 2:2 4:13 8:287 12:2015 13:7
14:1 15:22 16:3 17:8 20:17 24:1458
27:238 31:1 32:49 33:12 38:680 40:98
41:2446 44:3 46:1 47:18 52:9 55:4
56:2 57:28 58:752 59:501 60:459 61:1086
62:1065 63:1977 64:3655 65:2360 66:4042 67:1815
68:1106 69:2868 70:725 71:381 72:1952 73:2
74:2269 75:247 76:313 77:937 78:617 79:436
80:984 81:799 82:488 83:444 84:679 85:1051
86:456 87:680 88:331 89:1552 90:94 91:2863
92:487 93:989 94:1398 95:640 96:353 97:209
98:589 99:31 108:100 109:560 110:364 111:542
112:284 113:316 114:429 115:567 116:1073 117:651
118:479 119:941 120:132 121:724 122:1460 123:933
124:1122 125:1320 128:227 129:201 130:196 131:553
132:251 133:17 134:196 135:45 136:240 137:158
138:264 139:104 140:383 141:198 142:345 143:375
144:469 145:50 146:451 147:168 148:664 149:300
150:152 151:230 152:296 153:169 154:2 155:328
156:159 157:322 158:109 159:379 160:315 161:181
162:254 163:177 164:409 165:366 166:460 167:412
168:652 169:157 170:712 171:59 172:2 173:934
174:470 175:138 176:1 178:279 180:516 182:151
183:235 184:107 186:491 187:385 188:1004 189:781
190:3803 192:5733 193:4706 194:3375 195:2798 196:1184
198:3575 199:3460 200:5336 201:1564 202:7950 203:8284
204:4069 205:2330 206:2520 207:3114 208:3868 209:3454
210:2529 211:1268 212:1709 213:1640 214:641 215:69
216:4673 217:1531 218:496 219:378 220:1138 221:401
222:316 223:1
End of report
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