[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 19 21:05:01 UTC 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 20 Mar, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 312799
Prefixes after maximum aggregation: 145223
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 153590
Total ASes present in the Internet Routing Table: 33561
Prefixes per ASN: 9.32
Origin-only ASes present in the Internet Routing Table: 29134
Origin ASes announcing only one prefix: 14245
Transit ASes present in the Internet Routing Table: 4427
Transit-only ASes present in the Internet Routing Table: 106
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (32374) 19
Prefixes from unregistered ASNs in the Routing Table: 966
Unregistered ASNs in the Routing Table: 158
Number of 32-bit ASNs allocated by the RIRs: 481
Prefixes from 32-bit ASNs in the Routing Table: 480
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 218
Number of addresses announced to Internet: 2204886880
Equivalent to 131 /8s, 107 /16s and 231 /24s
Percentage of available address space announced: 59.5
Percentage of allocated address space announced: 66.1
Percentage of available address space allocated: 90.0
Percentage of address space in use by end-sites: 81.7
Total number of prefixes smaller than registry allocations: 149633
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75611
Total APNIC prefixes after maximum aggregation: 26228
APNIC Deaggregation factor: 2.88
Prefixes being announced from the APNIC address blocks: 72268
Unique aggregates announced from the APNIC address blocks: 31854
APNIC Region origin ASes present in the Internet Routing Table: 3976
APNIC Prefixes per ASN: 18.18
APNIC Region origin ASes announcing only one prefix: 1089
APNIC Region transit ASes present in the Internet Routing Table: 626
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 504451648
Equivalent to 30 /8s, 17 /16s and 82 /24s
Percentage of available APNIC address space announced: 79.1
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 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: 129513
Total ARIN prefixes after maximum aggregation: 67928
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 103342
Unique aggregates announced from the ARIN address blocks: 40062
ARIN Region origin ASes present in the Internet Routing Table: 13568
ARIN Prefixes per ASN: 7.62
ARIN Region origin ASes announcing only one prefix: 5261
ARIN Region transit ASes present in the Internet Routing Table: 1338
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 724084128
Equivalent to 43 /8s, 40 /16s and 165 /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: 72365
Total RIPE prefixes after maximum aggregation: 42232
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 65423
Unique aggregates announced from the RIPE address blocks: 43239
RIPE Region origin ASes present in the Internet Routing Table: 14233
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7383
RIPE Region transit ASes present in the Internet Routing Table: 2130
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 418727296
Equivalent to 24 /8s, 245 /16s and 69 /24s
Percentage of available RIPE address space announced: 78.0
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, 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: 27949
Total LACNIC prefixes after maximum aggregation: 6632
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 26292
Unique aggregates announced from the LACNIC address blocks: 13679
LACNIC Region origin ASes present in the Internet Routing Table: 1253
LACNIC Prefixes per ASN: 20.98
LACNIC Region origin ASes announcing only one prefix: 411
LACNIC Region transit ASes present in the Internet Routing Table: 214
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 71650304
Equivalent to 4 /8s, 69 /16s and 76 /24s
Percentage of available LACNIC address space announced: 71.2
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: 6643
Total AfriNIC prefixes after maximum aggregation: 1781
AfriNIC Deaggregation factor: 3.73
Prefixes being announced from the AfriNIC address blocks: 4996
Unique aggregates announced from the AfriNIC address blocks: 1480
AfriNIC Region origin ASes present in the Internet Routing Table: 345
AfriNIC Prefixes per ASN: 14.48
AfriNIC Region origin ASes announcing only one prefix: 101
AfriNIC Region transit ASes present in the Internet Routing Table: 75
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 14861056
Equivalent to 0 /8s, 226 /16s and 195 /24s
Percentage of available AfriNIC address space announced: 44.3
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 1865 8405 475 Korea Telecom (KIX)
17488 1307 134 133 Hathway IP Over Cable Interne
4755 1287 287 136 TATA Communications formerly
4134 1016 20245 401 CHINANET-BACKBONE
7545 1010 199 101 TPG Internet Pty Ltd
9583 1003 75 500 Sify Limited
18101 997 221 41 Reliance Infocom Ltd Internet
17974 939 282 20 PT TELEKOMUNIKASI INDONESIA
24560 844 300 167 Bharti Airtel Ltd., Telemedia
4808 843 1585 215 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 4061 3842 311 bellsouth.net, inc.
4323 2120 1057 379 Time Warner Telecom
1785 1794 698 131 PaeTec Communications, Inc.
7018 1565 5757 1005 AT&T WorldNet Services
20115 1537 1497 656 Charter Communications
2386 1326 616 934 AT&T Data Communications Serv
3356 1230 10949 425 Level 3 Communications, LLC
6478 1162 246 165 AT&T Worldnet Services
11492 1142 222 14 Cable One
22773 1127 2604 70 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 594 40 5 United Telecom of Georgia
30890 450 101 207 Evolva Telecom
3292 449 1900 391 TDC Tele Danmark
702 421 1870 333 UUNET - Commercial IP service
8551 400 355 36 Bezeq International
8866 392 117 18 Bulgarian Telecommunication C
3320 364 7072 318 Deutsche Telekom AG
3301 356 1413 317 TeliaNet Sweden
3215 347 3206 103 France Telecom Transpac
12479 330 576 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 1533 2892 237 UniNet S.A. de C.V.
10620 1028 229 156 TVCABLE BOGOTA
28573 947 730 82 NET Servicos de Comunicao S.A
7303 686 360 97 Telecom Argentina Stet-France
22047 546 310 15 VTR PUNTO NET S.A.
6503 508 168 195 AVANTEL, S.A.
7738 477 922 30 Telecomunicacoes da Bahia S.A
11830 474 308 56 Instituto Costarricense de El
18881 471 268 11 Global Village Telecom
3816 454 195 69 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 914 445 10 TEDATA
24863 710 144 41 LINKdotNET AS number
36992 573 131 167 Etisalat MISR
3741 274 853 233 The Internet Solution
33776 262 14 11 Starcomms Nigeria Limited
2018 211 215 122 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 171 19 9 Ci Telecom Autonomous system
24835 136 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 4061 3842 311 bellsouth.net, inc.
4323 2120 1057 379 Time Warner Telecom
4766 1865 8405 475 Korea Telecom (KIX)
1785 1794 698 131 PaeTec Communications, Inc.
7018 1565 5757 1005 AT&T WorldNet Services
20115 1537 1497 656 Charter Communications
8151 1533 2892 237 UniNet S.A. de C.V.
2386 1326 616 934 AT&T Data Communications Serv
17488 1307 134 133 Hathway IP Over Cable Interne
4755 1287 287 136 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 2120 1741 Time Warner Telecom
1785 1794 1663 PaeTec Communications, Inc.
4766 1865 1390 Korea Telecom (KIX)
8151 1533 1296 UniNet S.A. de C.V.
17488 1307 1174 Hathway IP Over Cable Interne
4755 1287 1151 TATA Communications formerly
11492 1142 1128 Cable One
22773 1127 1057 Cox Communications, Inc.
18566 1059 1049 Covad Communications
6478 1162 997 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<<
41.223.24.0/22 25747 VSC Satellite Co
41.223.92.0/22 36936 >>UNKNOWN<<
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 /11:66 /12:192
/13:389 /14:669 /15:1238 /16:10989 /17:5185 /18:8756
/19:18125 /20:22106 /21:22221 /22:28728 /23:28428 /24:162777
/25:942 /26:1177 /27:589 /28:137 /29:14 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2628 4061 bellsouth.net, inc.
4766 1477 1865 Korea Telecom (KIX)
1785 1255 1794 PaeTec Communications, Inc.
4323 1065 2120 Time Warner Telecom
17488 1060 1307 Hathway IP Over Cable Interne
11492 1052 1142 Cable One
18566 1040 1059 Covad Communications
7018 943 1565 AT&T WorldNet Services
10620 934 1028 TVCABLE BOGOTA
18101 868 997 Reliance Infocom Ltd Internet
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:12 8:247 12:1986 13:10 15:22
16:3 17:8 20:39 24:1368 27:1 32:48
38:648 40:100 41:2008 44:3 46:1 47:23
52:6 55:2 56:2 57:24 58:629 59:638
60:413 61:1094 62:1051 63:1982 64:3700 65:2343
66:3455 67:1812 68:1050 69:2802 70:697 71:240
72:1859 73:2 74:1952 75:245 76:315 77:828
78:580 79:414 80:997 81:772 82:449 83:447
84:675 85:1023 86:384 87:677 88:428 89:1547
90:78 91:2702 92:431 93:1139 94:1377 95:551
96:230 97:304 98:526 99:26 109:425 110:304
111:454 112:243 113:236 114:384 115:596 116:1027
117:630 118:378 119:929 120:148 121:844 122:1387
123:879 124:1054 125:1286 128:208 129:204 130:142
131:486 132:219 133:17 134:194 135:44 136:230
137:171 138:242 139:94 140:471 141:137 142:375
143:346 144:412 145:50 146:414 147:169 148:582
149:249 150:151 151:169 152:258 153:167 154:2
155:278 156:181 157:324 158:96 159:356 160:307
161:179 162:269 163:163 164:310 165:507 166:508
167:394 168:680 169:157 170:729 171:46 172:2
173:555 174:623 175:65 178:8 180:349 182:35
183:232 184:19 186:334 187:242 188:1177 189:711
190:3574 192:5723 193:4562 194:3361 195:2802 196:1174
198:3554 199:3380 200:5280 201:1479 202:8051 203:8298
204:4054 205:2169 206:2472 207:2752 208:3912 209:3366
210:2551 211:1200 212:1717 213:1689 214:263 215:61
216:4463 217:1514 218:491 219:427 220:1076 221:380
222:313
End of report
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