[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Mar 6 05:50:57 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 06 Mar, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 313470
Prefixes after maximum aggregation: 144980
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 152997
Total ASes present in the Internet Routing Table: 33474
Prefixes per ASN: 9.36
Origin-only ASes present in the Internet Routing Table: 29055
Origin ASes announcing only one prefix: 14167
Transit ASes present in the Internet Routing Table: 4419
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: 22
Max AS path prepend of ASN (32374) 19
Prefixes from unregistered ASNs in the Routing Table: 909
Unregistered ASNs in the Routing Table: 144
Number of 32-bit ASNs allocated by the RIRs: 455
Prefixes from 32-bit ASNs in the Routing Table: 452
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 216
Number of addresses announced to Internet: 2195830208
Equivalent to 130 /8s, 225 /16s and 181 /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: 81.5
Total number of prefixes smaller than registry allocations: 150774
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75227
Total APNIC prefixes after maximum aggregation: 26054
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 71896
Unique aggregates announced from the APNIC address blocks: 31752
APNIC Region origin ASes present in the Internet Routing Table: 3979
APNIC Prefixes per ASN: 18.07
APNIC Region origin ASes announcing only one prefix: 1086
APNIC Region transit ASes present in the Internet Routing Table: 622
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 498721568
Equivalent to 29 /8s, 185 /16s and 227 /24s
Percentage of available APNIC address space announced: 78.2
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: 130980
Total ARIN prefixes after maximum aggregation: 68073
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 104722
Unique aggregates announced from the ARIN address blocks: 39847
ARIN Region origin ASes present in the Internet Routing Table: 13541
ARIN Prefixes per ASN: 7.73
ARIN Region origin ASes announcing only one prefix: 5233
ARIN Region transit ASes present in the Internet Routing Table: 1339
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 740075552
Equivalent to 44 /8s, 28 /16s and 168 /24s
Percentage of available ARIN address space announced: 63.0
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: 72277
Total RIPE prefixes after maximum aggregation: 42038
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 65114
Unique aggregates announced from the RIPE address blocks: 42977
RIPE Region origin ASes present in the Internet Routing Table: 14179
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 7343
RIPE Region transit ASes present in the Internet Routing Table: 2129
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 416772736
Equivalent to 24 /8s, 215 /16s and 114 /24s
Percentage of available RIPE address space announced: 77.6
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: 27616
Total LACNIC prefixes after maximum aggregation: 6640
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 25976
Unique aggregates announced from the LACNIC address blocks: 13520
LACNIC Region origin ASes present in the Internet Routing Table: 1247
LACNIC Prefixes per ASN: 20.83
LACNIC Region origin ASes announcing only one prefix: 406
LACNIC Region transit ASes present in the Internet Routing Table: 211
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 71116288
Equivalent to 4 /8s, 61 /16s and 38 /24s
Percentage of available LACNIC address space announced: 70.6
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: 6696
Total AfriNIC prefixes after maximum aggregation: 1770
AfriNIC Deaggregation factor: 3.78
Prefixes being announced from the AfriNIC address blocks: 5037
Unique aggregates announced from the AfriNIC address blocks: 1453
AfriNIC Region origin ASes present in the Internet Routing Table: 347
AfriNIC Prefixes per ASN: 14.52
AfriNIC Region origin ASes announcing only one prefix: 99
AfriNIC Region transit ASes present in the Internet Routing Table: 76
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 14840832
Equivalent to 0 /8s, 226 /16s and 116 /24s
Percentage of available AfriNIC address space announced: 44.2
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 1853 8533 472 Korea Telecom (KIX)
17488 1293 132 137 Hathway IP Over Cable Interne
4755 1284 287 136 TATA Communications formerly
18101 1075 221 39 Reliance Infocom Ltd Internet
4134 1018 19605 397 CHINANET-BACKBONE
9583 997 75 498 Sify Limited
7545 952 199 99 TPG Internet Pty Ltd
17974 928 282 18 PT TELEKOMUNIKASI INDONESIA
9829 841 684 22 BSNL National Internet Backbo
4808 837 1582 212 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 4059 3842 314 bellsouth.net, inc.
4323 3791 1084 395 Time Warner Telecom
1785 1796 698 129 PaeTec Communications, Inc.
7018 1558 5757 1003 AT&T WorldNet Services
20115 1554 1493 663 Charter Communications
2386 1318 602 936 AT&T Data Communications Serv
3356 1209 10944 419 Level 3 Communications, LLC
11492 1146 222 14 Cable One
6478 1129 242 205 AT&T Worldnet Services
22773 1128 2602 69 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 585 40 5 United Telecom of Georgia
3292 452 1900 393 TDC Tele Danmark
30890 450 101 205 Evolva Telecom
702 424 1870 336 UUNET - Commercial IP service
8551 396 353 37 Bezeq International
8866 386 112 21 Bulgarian Telecommunication C
3320 363 7072 317 Deutsche Telekom AG
3301 354 1413 315 TeliaNet Sweden
3215 347 3206 103 France Telecom Transpac
12479 332 576 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 1577 2893 236 UniNet S.A. de C.V.
10620 1010 227 156 TVCABLE BOGOTA
28573 901 698 85 NET Servicos de Comunicao S.A
7303 679 359 98 Telecom Argentina Stet-France
22047 529 310 15 VTR PUNTO NET S.A.
6503 499 167 193 AVANTEL, S.A.
7738 477 922 30 Telecomunicacoes da Bahia S.A
11830 474 308 56 Instituto Costarricense de El
3816 446 194 69 Empresa Nacional de Telecomun
11172 446 99 70 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 993 445 10 TEDATA
24863 715 144 41 LINKdotNET AS number
36992 581 131 169 Etisalat MISR
3741 275 855 234 The Internet Solution
33776 251 14 11 Starcomms Nigeria Limited
2018 210 215 121 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 171 19 9 Ci Telecom Autonomous system
24835 133 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 4059 3842 314 bellsouth.net, inc.
4323 3791 1084 395 Time Warner Telecom
4766 1853 8533 472 Korea Telecom (KIX)
1785 1796 698 129 PaeTec Communications, Inc.
8151 1577 2893 236 UniNet S.A. de C.V.
7018 1558 5757 1003 AT&T WorldNet Services
20115 1554 1493 663 Charter Communications
2386 1318 602 936 AT&T Data Communications Serv
17488 1293 132 137 Hathway IP Over Cable Interne
4755 1284 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 3791 3396 Time Warner Telecom
1785 1796 1667 PaeTec Communications, Inc.
4766 1853 1381 Korea Telecom (KIX)
8151 1577 1341 UniNet S.A. de C.V.
17488 1293 1156 Hathway IP Over Cable Interne
4755 1284 1148 TATA Communications formerly
11492 1146 1132 Cable One
22773 1128 1059 Cox Communications, Inc.
18566 1059 1049 Covad Communications
18101 1075 1036 Reliance Infocom Ltd Internet
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
41.77.236.0/22 23456 32-bit ASN transition
41.190.64.0/22 28683 Office des Postes et telecomm
41.202.96.0/19 29571 Ci Telecom Autonomous system
41.216.32.0/19 28683 Office des Postes et telecomm
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 Amsco Telecommunications Nige
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 /12:188
/13:388 /14:661 /15:1234 /16:10950 /17:5156 /18:8716
/19:18094 /20:21993 /21:22160 /22:28483 /23:28273 /24:164098
/25:942 /26:1176 /27:584 /28:224 /29:14 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2627 4059 bellsouth.net, inc.
4323 2351 3791 Time Warner Telecom
4766 1466 1853 Korea Telecom (KIX)
1785 1258 1796 PaeTec Communications, Inc.
11492 1058 1146 Cable One
17488 1054 1293 Hathway IP Over Cable Interne
18566 1040 1059 Covad Communications
18101 947 1075 Reliance Infocom Ltd Internet
7018 938 1558 AT&T WorldNet Services
10620 916 1010 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 2:1 4:12 8:240 12:1981 13:10
15:22 16:3 17:8 20:39 24:1355 27:1
32:48 38:644 40:99 41:2059 44:3 46:1
47:26 52:6 55:2 56:2 57:23 58:640
59:632 60:400 61:1098 62:1053 63:1999 64:3818
65:2360 66:4150 67:1797 68:1042 69:2846 70:694
71:237 72:1880 73:2 74:2137 75:242 76:334
77:827 78:590 79:399 80:990 81:778 82:450
83:449 84:655 85:1023 86:385 87:683 88:425
89:1529 90:77 91:2700 92:435 93:1143 94:1397
95:528 96:234 97:302 98:503 99:26 100:1
109:389 110:296 111:449 112:239 113:241 114:373
115:574 116:1022 117:630 118:390 119:940 120:148
121:842 122:1380 123:865 124:1068 125:1285 128:208
129:205 130:141 131:486 132:204 133:17 134:195
135:43 136:226 137:171 138:240 139:92 140:474
141:135 142:379 143:347 144:413 145:51 146:407
147:168 148:573 149:209 150:151 151:168 152:257
153:167 154:2 155:278 156:178 157:327 158:99
159:358 160:305 161:177 162:270 163:166 164:311
165:495 166:506 167:390 168:783 169:161 170:710
171:46 172:2 173:529 174:542 175:60 178:3
180:351 182:24 183:228 184:13 186:306 187:223
188:1415 189:702 190:3526 192:5718 193:4527 194:3358
195:2803 196:1177 198:3553 199:3380 200:5259 201:1477
202:8042 203:8296 204:4074 205:2175 206:2507 207:3074
208:3913 209:3459 210:2544 211:1198 212:1703 213:1660
214:262 215:61 216:4472 217:1513 218:488 219:426
220:1074 221:380 222:304
End of report
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