[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Dec 5 07:34:27 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 05 Dec, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 305390
Prefixes after maximum aggregation: 142337
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 150539
Total ASes present in the Internet Routing Table: 32849
Prefixes per ASN: 9.30
Origin-only ASes present in the Internet Routing Table: 28510
Origin ASes announcing only one prefix: 13915
Transit ASes present in the Internet Routing Table: 4339
Transit-only ASes present in the Internet Routing Table: 103
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: 1081
Unregistered ASNs in the Routing Table: 172
Number of 32-bit ASNs allocated by the RIRs: 342
Prefixes from 32-bit ASNs in the Routing Table: 281
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 174
Number of addresses announced to Internet: 2139389760
Equivalent to 127 /8s, 132 /16s and 127 /24s
Percentage of available address space announced: 57.7
Percentage of allocated address space announced: 65.4
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.2
Total number of prefixes smaller than registry allocations: 146684
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 72874
Total APNIC prefixes after maximum aggregation: 25430
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 69560
Unique aggregates announced from the APNIC address blocks: 30973
APNIC Region origin ASes present in the Internet Routing Table: 3883
APNIC Prefixes per ASN: 17.91
APNIC Region origin ASes announcing only one prefix: 1057
APNIC Region transit ASes present in the Internet Routing Table: 601
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 483411744
Equivalent to 28 /8s, 208 /16s and 71 /24s
Percentage of available APNIC address space announced: 80.0
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, 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: 128363
Total ARIN prefixes after maximum aggregation: 67377
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 102877
Unique aggregates announced from the ARIN address blocks: 38831
ARIN Region origin ASes present in the Internet Routing Table: 13385
ARIN Prefixes per ASN: 7.69
ARIN Region origin ASes announcing only one prefix: 5182
ARIN Region transit ASes present in the Internet Routing Table: 1326
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 731875872
Equivalent to 43 /8s, 159 /16s and 138 /24s
Percentage of available ARIN address space announced: 64.2
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, 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: 70631
Total RIPE prefixes after maximum aggregation: 41162
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 63769
Unique aggregates announced from the RIPE address blocks: 42546
RIPE Region origin ASes present in the Internet Routing Table: 13833
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7185
RIPE Region transit ASes present in the Internet Routing Table: 2094
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 405643136
Equivalent to 24 /8s, 45 /16s and 159 /24s
Percentage of available RIPE address space announced: 75.6
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: 26702
Total LACNIC prefixes after maximum aggregation: 6480
LACNIC Deaggregation factor: 4.12
Prefixes being announced from the LACNIC address blocks: 25010
Unique aggregates announced from the LACNIC address blocks: 13646
LACNIC Region origin ASes present in the Internet Routing Table: 1219
LACNIC Prefixes per ASN: 20.52
LACNIC Region origin ASes announcing only one prefix: 397
LACNIC Region transit ASes present in the Internet Routing Table: 203
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 68833280
Equivalent to 4 /8s, 26 /16s and 80 /24s
Percentage of available LACNIC address space announced: 68.4
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: 5972
Total AfriNIC prefixes after maximum aggregation: 1567
AfriNIC Deaggregation factor: 3.81
Prefixes being announced from the AfriNIC address blocks: 4371
Unique aggregates announced from the AfriNIC address blocks: 1513
AfriNIC Region origin ASes present in the Internet Routing Table: 336
AfriNIC Prefixes per ASN: 13.01
AfriNIC Region origin ASes announcing only one prefix: 94
AfriNIC Region transit ASes present in the Internet Routing Table: 70
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 13172992
Equivalent to 0 /8s, 201 /16s and 1 /24s
Percentage of available AfriNIC address space announced: 39.3
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 1750 7507 461 Korea Telecom (KIX)
17488 1458 143 132 Hathway IP Over Cable Interne
4755 1280 296 148 TATA Communications formerly
9583 1044 79 514 Sify Limited
4134 1015 19459 395 CHINANET-BACKBONE
18101 984 204 34 Reliance Infocom Ltd Internet
7545 918 198 97 TPG Internet Pty Ltd
17974 864 270 57 PT TELEKOMUNIKASI INDONESIA
9829 850 673 24 BSNL National Internet Backbo
24560 806 293 176 Bharti Airtel Ltd., Telemedia
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 4235 3879 311 bellsouth.net, inc.
4323 3756 1068 399 Time Warner Telecom
1785 1779 715 136 PaeTec Communications, Inc.
7018 1590 5809 1032 AT&T WorldNet Services
20115 1526 1484 667 Charter Communications
2386 1292 632 933 AT&T Data Communications Serv
3356 1219 10966 439 Level 3 Communications, LLC
6478 1179 255 334 AT&T Worldnet Services
11492 1145 222 14 Cable One
22773 1125 2600 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 516 98 207 Evolva Telecom
35805 475 40 5 United Telecom of Georgia
9198 471 138 12 Kazakhtelecom Data Network Ad
3292 449 1906 394 TDC Tele Danmark
702 416 1837 334 UUNET - Commercial IP service
8551 377 354 41 Bezeq International
8866 375 110 23 Bulgarian Telecommunication C
3320 359 7068 305 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 347 1411 303 TeliaNet Sweden
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 1588 2899 231 UniNet S.A. de C.V.
10620 999 223 145 TVCABLE BOGOTA
28573 818 668 84 NET Servicos de Comunicao S.A
7303 665 351 96 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 474 308 59 Instituto Costarricense de El
11172 446 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 431 858 29 Telecomunicacoes da Bahia S.A
3816 425 193 71 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 1026 188 7 TEDATA
24863 756 128 63 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 176 195 102 Tertiary Education Network
6713 175 167 12 Itissalat Al-MAGHRIB
29571 150 15 8 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 124 7 11 Starcomms Nigeria Limited
5536 121 8 18 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 4235 3879 311 bellsouth.net, inc.
4323 3756 1068 399 Time Warner Telecom
1785 1779 715 136 PaeTec Communications, Inc.
4766 1750 7507 461 Korea Telecom (KIX)
7018 1590 5809 1032 AT&T WorldNet Services
8151 1588 2899 231 UniNet S.A. de C.V.
20115 1526 1484 667 Charter Communications
17488 1458 143 132 Hathway IP Over Cable Interne
2386 1292 632 933 AT&T Data Communications Serv
4755 1280 296 148 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 3756 3357 Time Warner Telecom
1785 1779 1643 PaeTec Communications, Inc.
8151 1588 1357 UniNet S.A. de C.V.
17488 1458 1326 Hathway IP Over Cable Interne
4766 1750 1289 Korea Telecom (KIX)
4755 1280 1132 TATA Communications formerly
11492 1145 1131 Cable One
22773 1125 1059 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1026 1019 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 12.39.159.0/24 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
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
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /11:65 /12:177
/13:353 /14:644 /15:1224 /16:10779 /17:5006 /18:8561
/19:17650 /20:21503 /21:21436 /22:27640 /23:27536 /24:159858
/25:930 /26:1135 /27:577 /28:234 /29:11 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2772 4235 bellsouth.net, inc.
4323 2369 3756 Time Warner Telecom
4766 1430 1750 Korea Telecom (KIX)
1785 1244 1779 PaeTec Communications, Inc.
17488 1224 1458 Hathway IP Over Cable Interne
11492 1067 1145 Cable One
18566 1040 1059 Covad Communications
7018 955 1590 AT&T WorldNet Services
8452 924 1026 TEDATA
10620 905 999 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 2:1 4:13 8:234 12:2057 13:8
15:22 16:3 17:5 20:37 24:1282 32:49
34:2 38:625 40:98 41:1838 43:1 44:3
46:1 47:21 52:6 55:2 56:2 57:23
58:647 59:612 60:445 61:974 62:960 63:2009
64:3750 65:2369 66:4099 67:1775 68:1018 69:2810
70:687 71:232 72:1889 73:2 74:2021 75:190
76:357 77:848 78:601 79:399 80:950 81:810
82:469 83:448 84:529 85:1014 86:380 87:681
88:445 89:1507 90:59 91:2644 92:441 93:1157
94:1348 95:832 96:201 97:278 98:429 99:27
109:179 110:278 111:480 112:152 113:190 114:287
115:391 116:1089 117:588 118:366 119:802 120:143
121:698 122:1304 123:797 124:1024 125:1346 128:212
129:200 130:134 131:460 132:82 133:16 134:180
135:40 136:230 137:167 138:239 139:82 140:458
141:122 142:380 143:341 144:393 145:52 146:390
147:171 148:565 149:191 150:148 151:171 152:220
153:161 154:2 155:269 156:167 157:317 158:97
159:359 160:294 161:174 162:279 163:162 164:314
165:472 166:491 167:392 168:754 169:159 170:560
171:42 172:1 173:385 174:424 180:209 183:160
184:1 186:234 187:174 188:1379 189:650 190:3363
192:5733 193:4309 194:3363 195:2779 196:1184 198:3574
199:3380 200:5241 201:1420 202:7924 203:8291 204:3981
205:2149 206:2411 207:3049 208:3967 209:3390 210:2548
211:1144 212:1632 213:1632 214:246 215:57 216:4422
217:1364 218:479 219:422 220:1138 221:448 222:301
End of report
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