[120177] in North American Network Operators' Group
Weekly Routing Table Report
daemon@ATHENA.MIT.EDU (Routing Analysis Role Account)
Fri Dec 11 13:37:59 2009
From: Routing Analysis Role Account <cscora@apnic.net>
Date: Sat, 12 Dec 2009 04:36:22 +1000 (EST)
To: apops@apops.net, nanog@nanog.org, routing-wg@ripe.net, afnog@afnog.org,
ausnog@ausnog.net, sanog@sanog.org
Reply-To: pfs@cisco.com
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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@lists.apnic.net
For historical data, please see http://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfs@cisco.com>.
Routing Table Report 04:00 +10GMT Sat 12 Dec, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 306287
Prefixes after maximum aggregation: 142533
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 150582
Total ASes present in the Internet Routing Table: 32907
Prefixes per ASN: 9.31
Origin-only ASes present in the Internet Routing Table: 28575
Origin ASes announcing only one prefix: 13946
Transit ASes present in the Internet Routing Table: 4332
Transit-only ASes present in the Internet Routing Table: 99
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 994
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 351
Prefixes from 32-bit ASNs in the Routing Table: 301
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2160649728
Equivalent to 128 /8s, 200 /16s and 230 /24s
Percentage of available address space announced: 58.3
Percentage of allocated address space announced: 66.1
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.3
Total number of prefixes smaller than registry allocations: 147120
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 73696
Total APNIC prefixes after maximum aggregation: 25498
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 70372
Unique aggregates announced from the APNIC address blocks: 31050
APNIC Region origin ASes present in the Internet Routing Table: 3895
APNIC Prefixes per ASN: 18.07
APNIC Region origin ASes announcing only one prefix: 1062
APNIC Region transit ASes present in the Internet Routing Table: 607
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 483880224
Equivalent to 28 /8s, 215 /16s and 109 /24s
Percentage of available APNIC address space announced: 80.1
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: 128493
Total ARIN prefixes after maximum aggregation: 67389
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 103031
Unique aggregates announced from the ARIN address blocks: 38828
ARIN Region origin ASes present in the Internet Routing Table: 13397
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: 1322
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 733616416
Equivalent to 43 /8s, 186 /16s and 25 /24s
Percentage of available ARIN address space announced: 64.3
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: 70531
Total RIPE prefixes after maximum aggregation: 41263
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 63953
Unique aggregates announced from the RIPE address blocks: 42662
RIPE Region origin ASes present in the Internet Routing Table: 13876
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7219
RIPE Region transit ASes present in the Internet Routing Table: 2088
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 406627904
Equivalent to 24 /8s, 60 /16s and 166 /24s
Percentage of available RIPE address space announced: 75.7
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, 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: 26775
Total LACNIC prefixes after maximum aggregation: 6482
LACNIC Deaggregation factor: 4.13
Prefixes being announced from the LACNIC address blocks: 25094
Unique aggregates announced from the LACNIC address blocks: 13714
LACNIC Region origin ASes present in the Internet Routing Table: 1220
LACNIC Prefixes per ASN: 20.57
LACNIC Region origin ASes announcing only one prefix: 390
LACNIC Region transit ASes present in the Internet Routing Table: 201
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 69110272
Equivalent to 4 /8s, 30 /16s and 138 /24s
Percentage of available LACNIC address space announced: 68.7
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: 5929
Total AfriNIC prefixes after maximum aggregation: 1581
AfriNIC Deaggregation factor: 3.75
Prefixes being announced from the AfriNIC address blocks: 4339
Unique aggregates announced from the AfriNIC address blocks: 1526
AfriNIC Region origin ASes present in the Internet Routing Table: 335
AfriNIC Prefixes per ASN: 12.95
AfriNIC Region origin ASes announcing only one prefix: 93
AfriNIC Region transit ASes present in the Internet Routing Table: 72
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 14305536
Equivalent to 0 /8s, 218 /16s and 73 /24s
Percentage of available AfriNIC address space announced: 42.6
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 1780 7509 461 Korea Telecom (KIX)
17488 1459 143 132 Hathway IP Over Cable Interne
4755 1278 295 147 TATA Communications formerly
4134 1012 19458 393 CHINANET-BACKBONE
9583 1007 75 500 Sify Limited
18101 992 204 34 Reliance Infocom Ltd Internet
7545 917 198 98 TPG Internet Pty Ltd
17974 849 270 58 PT TELEKOMUNIKASI INDONESIA
9829 832 674 22 BSNL National Internet Backbo
24560 810 294 176 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 4232 3895 311 bellsouth.net, inc.
4323 3770 1068 401 Time Warner Telecom
1785 1791 699 135 PaeTec Communications, Inc.
7018 1588 5807 1031 AT&T WorldNet Services
20115 1525 1483 666 Charter Communications
2386 1293 632 933 AT&T Data Communications Serv
3356 1202 10945 426 Level 3 Communications, LLC
6478 1169 253 330 AT&T Worldnet Services
11492 1145 222 14 Cable One
22773 1123 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
9198 471 138 12 Kazakhtelecom Data Network Ad
35805 465 40 5 United Telecom of Georgia
3292 447 1903 392 TDC Tele Danmark
702 418 1837 336 UUNET - Commercial IP service
8551 377 354 41 Bezeq International
8866 375 110 23 Bulgarian Telecommunication C
3320 361 7068 307 Deutsche Telekom AG
3215 350 3160 112 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 1587 2899 231 UniNet S.A. de C.V.
10620 1002 223 136 TVCABLE BOGOTA
28573 821 669 84 NET Servicos de Comunicao S.A
7303 665 351 96 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 473 308 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 432 858 29 Telecomunicacoes da Bahia S.A
6503 430 163 181 AVANTEL, 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 1032 444 8 TEDATA
24863 709 143 52 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 178 196 100 Tertiary Education Network
6713 175 167 12 Itissalat Al-MAGHRIB
29571 152 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
5536 121 8 18 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
33776 112 6 14 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 4232 3895 311 bellsouth.net, inc.
4323 3770 1068 401 Time Warner Telecom
1785 1791 699 135 PaeTec Communications, Inc.
4766 1780 7509 461 Korea Telecom (KIX)
7018 1588 5807 1031 AT&T WorldNet Services
8151 1587 2899 231 UniNet S.A. de C.V.
20115 1525 1483 666 Charter Communications
17488 1459 143 132 Hathway IP Over Cable Interne
2386 1293 632 933 AT&T Data Communications Serv
4755 1278 295 147 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 3770 3369 Time Warner Telecom
1785 1791 1656 PaeTec Communications, Inc.
8151 1587 1356 UniNet S.A. de C.V.
17488 1459 1327 Hathway IP Over Cable Interne
4766 1780 1319 Korea Telecom (KIX)
4755 1278 1131 TATA Communications formerly
11492 1145 1131 Cable One
22773 1123 1057 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1032 1024 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 /8:21 /9:10 /10:25 /11:65 /12:180
/13:379 /14:645 /15:1228 /16:10813 /17:5022 /18:8568
/19:17677 /20:21536 /21:21484 /22:27765 /23:27724 /24:160197
/25:937 /26:1160 /27:589 /28:235 /29:11 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2768 4232 bellsouth.net, inc.
4323 2370 3770 Time Warner Telecom
4766 1431 1780 Korea Telecom (KIX)
1785 1256 1791 PaeTec Communications, Inc.
17488 1225 1459 Hathway IP Over Cable Interne
11492 1067 1145 Cable One
18566 1040 1059 Covad Communications
7018 954 1588 AT&T WorldNet Services
8452 928 1032 TEDATA
10620 907 1002 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 8:225 12:2057 13:9
15:22 16:3 17:5 20:37 24:1283 32:49
38:629 40:99 41:1830 43:1 44:3 46:1
47:21 52:6 55:2 56:2 57:24 58:648
59:654 60:446 61:1102 62:971 63:2009 64:3769
65:2372 66:4103 67:1779 68:1026 69:2824 70:686
71:232 72:1879 73:2 74:2037 75:190 76:361
77:835 78:599 79:407 80:935 81:811 82:465
83:442 84:535 85:1021 86:381 87:677 88:420
89:1566 90:63 91:2654 92:445 93:1114 94:1343
95:834 96:183 97:285 98:403 99:24 109:186
110:278 111:499 112:157 113:205 114:288 115:478
116:1079 117:592 118:371 119:809 120:144 121:833
122:1311 123:796 124:1018 125:1341 128:212 129:201
130:134 131:460 132:83 133:16 134:183 135:41
136:229 137:168 138:239 139:81 140:456 141:121
142:375 143:340 144:390 145:53 146:390 147:173
148:568 149:192 150:148 151:173 152:219 153:161
154:2 155:270 156:171 157:326 158:97 159:357
160:298 161:174 162:281 163:163 164:308 165:471
166:490 167:392 168:753 169:159 170:563 171:42
172:1 173:391 174:442 180:205 183:162 184:3
186:194 187:166 188:1058 189:654 190:3401 192:5718
193:4321 194:3371 195:2780 196:1196 198:3565 199:3383
200:5247 201:1433 202:7978 203:8286 204:3988 205:2167
206:2407 207:3046 208:3962 209:3383 210:2562 211:1147
212:1645 213:1642 214:247 215:58 216:4423 217:1373
218:480 219:455 220:1146 221:448 222:300
End of report
