Routing Table Report 04:00 +10GMT Fri 01 Jan, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 307572
Prefixes after maximum aggregation: 143213
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 151414
Total ASes present in the Internet Routing Table: 33016
Prefixes per ASN: 9.32
Origin-only ASes present in the Internet Routing Table: 28659
Origin ASes announcing only one prefix: 14003
Transit ASes present in the Internet Routing Table: 4357
Transit-only ASes present in the Internet Routing Table: 101
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: 716
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 380
Prefixes from 32-bit ASNs in the Routing Table: 339
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 163
Number of addresses announced to Internet: 2167611392
Equivalent to 129 /8s, 51 /16s and 32 /24s
Percentage of available address space announced: 58.5
Percentage of allocated address space announced: 66.3
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.5
Total number of prefixes smaller than registry allocations: 148136
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 74070
Total APNIC prefixes after maximum aggregation: 25793
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 70757
Unique aggregates announced from the APNIC address blocks: 31323
APNIC Region origin ASes present in the Internet Routing Table: 3906
APNIC Prefixes per ASN: 18.11
APNIC Region origin ASes announcing only one prefix: 1069
APNIC Region transit ASes present in the Internet Routing Table: 610
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 486339616
Equivalent to 28 /8s, 252 /16s and 244 /24s
Percentage of available APNIC address space announced: 80.5
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 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: 129247
Total ARIN prefixes after maximum aggregation: 67528
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 103362
Unique aggregates announced from the ARIN address blocks: 39113
ARIN Region origin ASes present in the Internet Routing Table: 13442
ARIN Prefixes per ASN: 7.69
ARIN Region origin ASes announcing only one prefix: 5205
ARIN Region transit ASes present in the Internet Routing Table: 1332
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 734392608
Equivalent to 43 /8s, 197 /16s and 241 /24s
Percentage of available ARIN address space announced: 64.4
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: 70796
Total RIPE prefixes after maximum aggregation: 41430
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 64114
Unique aggregates announced from the RIPE address blocks: 42742
RIPE Region origin ASes present in the Internet Routing Table: 13931
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7250
RIPE Region transit ASes present in the Internet Routing Table: 2098
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 409291328
Equivalent to 24 /8s, 101 /16s and 74 /24s
Percentage of available RIPE address space announced: 76.2
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: 26931
Total LACNIC prefixes after maximum aggregation: 6524
LACNIC Deaggregation factor: 4.13
Prefixes being announced from the LACNIC address blocks: 25295
Unique aggregates announced from the LACNIC address blocks: 13820
LACNIC Region origin ASes present in the Internet Routing Table: 1218
LACNIC Prefixes per ASN: 20.77
LACNIC Region origin ASes announcing only one prefix: 386
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: 23
Number of LACNIC addresses announced to Internet: 69866752
Equivalent to 4 /8s, 42 /16s and 21 /24s
Percentage of available LACNIC address space announced: 69.4
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: 5963
Total AfriNIC prefixes after maximum aggregation: 1598
AfriNIC Deaggregation factor: 3.73
Prefixes being announced from the AfriNIC address blocks: 4354
Unique aggregates announced from the AfriNIC address blocks: 1562
AfriNIC Region origin ASes present in the Internet Routing Table: 335
AfriNIC Prefixes per ASN: 13.00
AfriNIC Region origin ASes announcing only one prefix: 93
AfriNIC Region transit ASes present in the Internet Routing Table: 71
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 14600448
Equivalent to 0 /8s, 222 /16s and 201 /24s
Percentage of available AfriNIC address space announced: 43.5
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 1838 7510 477 Korea Telecom (KIX)
17488 1460 144 142 Hathway IP Over Cable Interne
4755 1279 289 144 TATA Communications formerly
4134 1016 19461 399 CHINANET-BACKBONE
18101 1010 204 37 Reliance Infocom Ltd Internet
9583 1000 75 502 Sify Limited
7545 923 198 97 TPG Internet Pty Ltd
17974 857 273 59 PT TELEKOMUNIKASI INDONESIA
9829 853 677 24 BSNL National Internet Backbo
4808 833 1583 211 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 4168 3891 301 bellsouth.net, inc.
4323 3781 1068 400 Time Warner Telecom
1785 1800 699 134 PaeTec Communications, Inc.
7018 1590 5791 1031 AT&T WorldNet Services
20115 1535 1487 667 Charter Communications
2386 1290 617 928 AT&T Data Communications Serv
3356 1203 10929 423 Level 3 Communications, LLC
11492 1153 222 14 Cable One
22773 1123 2600 66 Cox Communications, Inc.
6478 1094 241 304 AT&T Worldnet Services
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 517 98 207 Evolva Telecom
35805 515 40 5 United Telecom of Georgia
3292 448 1903 393 TDC Tele Danmark
702 419 1837 337 UUNET - Commercial IP service
8551 389 354 40 Bezeq International
8866 374 110 23 Bulgarian Telecommunication C
3320 363 7068 309 Deutsche Telekom AG
3301 351 1412 306 TeliaNet Sweden
3215 349 3160 112 France Telecom Transpac
9198 329 202 13 Kazakhtelecom Data Network Ad
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 1570 2898 232 UniNet S.A. de C.V.
10620 1005 224 131 TVCABLE BOGOTA
28573 829 674 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 472 308 59 Instituto Costarricense de El
11172 445 99 70 Servicios Alestra S.A de C.V
6503 444 163 183 AVANTEL, S.A.
14117 437 29 11 Telefonica del Sur S.A.
7738 431 858 29 Telecomunicacoes da Bahia 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 1011 444 8 TEDATA
24863 717 143 53 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 178 196 100 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 157 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 123 7 11 Starcomms Nigeria Limited
5536 121 8 18 Internet Egypt Network
5713 114 505 68 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 4168 3891 301 bellsouth.net, inc.
4323 3781 1068 400 Time Warner Telecom
4766 1838 7510 477 Korea Telecom (KIX)
1785 1800 699 134 PaeTec Communications, Inc.
7018 1590 5791 1031 AT&T WorldNet Services
8151 1570 2898 232 UniNet S.A. de C.V.
20115 1535 1487 667 Charter Communications
17488 1460 144 142 Hathway IP Over Cable Interne
2386 1290 617 928 AT&T Data Communications Serv
4755 1279 289 144 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 3781 3381 Time Warner Telecom
1785 1800 1666 PaeTec Communications, Inc.
4766 1838 1361 Korea Telecom (KIX)
8151 1570 1338 UniNet S.A. de C.V.
17488 1460 1318 Hathway IP Over Cable Interne
11492 1153 1139 Cable One
4755 1279 1135 TATA Communications formerly
22773 1123 1057 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1011 1003 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 /12:181
/13:382 /14:653 /15:1233 /16:10825 /17:5038 /18:8610
/19:17708 /20:21601 /21:21494 /22:27855 /23:28039 /24:160899
/25:926 /26:1174 /27:582 /28:224 /29:11 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2726 4168 bellsouth.net, inc.
4323 2369 3781 Time Warner Telecom
4766 1479 1838 Korea Telecom (KIX)
1785 1267 1800 PaeTec Communications, Inc.
17488 1228 1460 Hathway IP Over Cable Interne
11492 1073 1153 Cable One
18566 1040 1059 Covad Communications
7018 961 1590 AT&T WorldNet Services
10620 910 1005 TVCABLE BOGOTA
8452 907 1011 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:13 8:244 12:2013 13:9 15:22
16:3 17:8 20:37 24:1291 32:49 38:638
40:99 41:1846 44:3 46:1 47:30 52:6
55:2 56:2 57:24 58:647 59:619 60:446
61:975 62:978 63:2011 64:3794 65:2368 66:4097
67:1836 68:1042 69:2837 70:688 71:231 72:1883
73:3 74:2070 75:225 76:359 77:873 78:603
79:405 80:965 81:802 82:461 83:441 84:517
85:1012 86:380 87:686 88:423 89:1549 90:65
91:2659 92:425 93:1144 94:1340 95:792 96:195
97:289 98:454 99:23 109:203 110:283 111:551
112:169 113:224 114:301 115:402 116:1115 117:592
118:386 119:813 120:149 121:699 122:1376 123:814
124:1026 125:1305 128:212 129:201 130:134 131:457
132:85 133:16 134:188 135:41 136:228 137:176
138:235 139:81 140:463 141:122 142:376 143:339
144:393 145:53 146:390 147:181 148:561 149:196
150:146 151:172 152:228 153:162 154:2 155:270
156:178 157:330 158:98 159:355 160:306 161:175
162:281 163:188 164:309 165:472 166:488 167:393
168:761 169:159 170:567 171:42 172:1 173:407
174:512 175:21 180:266 183:173 184:3 186:242
187:219 188:1122 189:616 190:3429 192:5716 193:4374
194:3360 195:2780 196:1198 198:3556 199:3396 200:5267
201:1447 202:8059 203:8270 204:3989 205:2174 206:2410
207:3053 208:3937 209:3394 210:2525 211:1170 212:1656
213:1651 214:250 215:56 216:4432 217:1392 218:477
219:422 220:1150 221:455 222:301
End of report