Routing Table Report 04:00 +10GMT Tue 29 Dec, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 308331
Prefixes after maximum aggregation: 143108
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 151250
Total ASes present in the Internet Routing Table: 32987
Prefixes per ASN: 9.35
Origin-only ASes present in the Internet Routing Table: 28648
Origin ASes announcing only one prefix: 13989
Transit ASes present in the Internet Routing Table: 4339
Transit-only ASes present in the Internet Routing Table: 100
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: 705
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 377
Prefixes from 32-bit ASNs in the Routing Table: 331
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 159
Number of addresses announced to Internet: 2167262720
Equivalent to 129 /8s, 45 /16s and 206 /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: 148821
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 74809
Total APNIC prefixes after maximum aggregation: 25787
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 71493
Unique aggregates announced from the APNIC address blocks: 31301
APNIC Region origin ASes present in the Internet Routing Table: 3902
APNIC Prefixes per ASN: 18.32
APNIC Region origin ASes announcing only one prefix: 1061
APNIC Region transit ASes present in the Internet Routing Table: 606
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 486512928
Equivalent to 28 /8s, 255 /16s and 153 /24s
Percentage of available APNIC address space announced: 80.6
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: 129448
Total ARIN prefixes after maximum aggregation: 67472
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103556
Unique aggregates announced from the ARIN address blocks: 39053
ARIN Region origin ASes present in the Internet Routing Table: 13433
ARIN Prefixes per ASN: 7.71
ARIN Region origin ASes announcing only one prefix: 5208
ARIN Region transit ASes present in the Internet Routing Table: 1331
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 734217504
Equivalent to 43 /8s, 195 /16s and 69 /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: 70648
Total RIPE prefixes after maximum aggregation: 41376
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 63998
Unique aggregates announced from the RIPE address blocks: 42693
RIPE Region origin ASes present in the Internet Routing Table: 13909
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7238
RIPE Region transit ASes present in the Internet Routing Table: 2089
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 409223488
Equivalent to 24 /8s, 100 /16s and 65 /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: 26908
Total LACNIC prefixes after maximum aggregation: 6545
LACNIC Deaggregation factor: 4.11
Prefixes being announced from the LACNIC address blocks: 25252
Unique aggregates announced from the LACNIC address blocks: 13817
LACNIC Region origin ASes present in the Internet Routing Table: 1223
LACNIC Prefixes per ASN: 20.65
LACNIC Region origin ASes announcing only one prefix: 389
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: 69605632
Equivalent to 4 /8s, 38 /16s and 25 /24s
Percentage of available LACNIC address space announced: 69.1
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: 5964
Total AfriNIC prefixes after maximum aggregation: 1594
AfriNIC Deaggregation factor: 3.74
Prefixes being announced from the AfriNIC address blocks: 4363
Unique aggregates announced from the AfriNIC address blocks: 1548
AfriNIC Region origin ASes present in the Internet Routing Table: 337
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: 18
Number of AfriNIC addresses announced to Internet: 14531840
Equivalent to 0 /8s, 221 /16s and 189 /24s
Percentage of available AfriNIC address space announced: 43.3
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 1802 7510 466 Korea Telecom (KIX)
17488 1462 144 139 Hathway IP Over Cable Interne
4755 1285 291 146 TATA Communications formerly
4134 1014 19445 398 CHINANET-BACKBONE
18101 1005 204 37 Reliance Infocom Ltd Internet
9583 999 75 505 Sify Limited
7545 922 198 96 TPG Internet Pty Ltd
17974 859 272 60 PT TELEKOMUNIKASI INDONESIA
9829 853 677 24 BSNL National Internet Backbo
4808 834 1583 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 4188 3892 301 bellsouth.net, inc.
4323 3775 1067 398 Time Warner Telecom
1785 1798 699 134 PaeTec Communications, Inc.
7018 1590 5791 1032 AT&T WorldNet Services
20115 1534 1486 666 Charter Communications
2386 1288 615 929 AT&T Data Communications Serv
3356 1206 10930 424 Level 3 Communications, LLC
11492 1153 222 14 Cable One
22773 1122 2600 66 Cox Communications, Inc.
6478 1098 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 513 40 5 United Telecom of Georgia
3292 448 1903 393 TDC Tele Danmark
702 419 1837 337 UUNET - Commercial IP service
8551 390 354 41 Bezeq International
8866 378 110 23 Bulgarian Telecommunication C
3320 361 7068 307 Deutsche Telekom AG
3301 350 1412 306 TeliaNet Sweden
3215 349 3160 112 France Telecom Transpac
9198 320 202 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 1574 2898 232 UniNet S.A. de C.V.
10620 1005 224 131 TVCABLE BOGOTA
28573 827 673 90 NET Servicos de Comunicao S.A
7303 664 351 97 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 472 308 59 Instituto Costarricense de El
11172 446 99 70 Servicios Alestra S.A de C.V
6503 439 163 183 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 1040 444 8 TEDATA
24863 715 143 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 4188 3892 301 bellsouth.net, inc.
4323 3775 1067 398 Time Warner Telecom
4766 1802 7510 466 Korea Telecom (KIX)
1785 1798 699 134 PaeTec Communications, Inc.
7018 1590 5791 1032 AT&T WorldNet Services
8151 1574 2898 232 UniNet S.A. de C.V.
20115 1534 1486 666 Charter Communications
17488 1462 144 139 Hathway IP Over Cable Interne
2386 1288 615 929 AT&T Data Communications Serv
4755 1285 291 146 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 3775 3377 Time Warner Telecom
1785 1798 1664 PaeTec Communications, Inc.
8151 1574 1342 UniNet S.A. de C.V.
4766 1802 1336 Korea Telecom (KIX)
17488 1462 1323 Hathway IP Over Cable Interne
4755 1285 1139 TATA Communications formerly
11492 1153 1139 Cable One
22773 1122 1056 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1040 1032 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 /14:652 /15:1234 /16:10840 /17:5041 /18:8614
/19:17712 /20:21616 /21:21601 /22:27929 /23:28111 /24:161343
/25:935 /26:1181 /27:586 /28:225 /29:11 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2728 4188 bellsouth.net, inc.
4323 2367 3775 Time Warner Telecom
4766 1452 1802 Korea Telecom (KIX)
1785 1265 1798 PaeTec Communications, Inc.
17488 1228 1462 Hathway IP Over Cable Interne
11492 1073 1153 Cable One
18566 1040 1059 Covad Communications
7018 960 1590 AT&T WorldNet Services
8452 936 1040 TEDATA
10620 910 1005 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:13 8:242 12:2018 13:9 15:22
16:3 17:8 20:37 24:1292 32:49 38:637
40:99 41:1872 44:3 46:1 47:30 52:6
55:2 56:2 57:24 58:643 59:660 60:446
61:1098 62:976 63:2015 64:3802 65:2370 66:4114
67:1835 68:1040 69:2814 70:686 71:231 72:1884
73:3 74:2075 75:223 76:363 77:863 78:600
79:404 80:965 81:799 82:460 83:438 84:514
85:1004 86:380 87:695 88:423 89:1551 90:62
91:2668 92:422 93:1140 94:1343 95:787 96:195
97:290 98:452 99:23 109:203 110:282 111:517
112:169 113:221 114:299 115:480 116:1110 117:592
118:385 119:813 120:148 121:834 122:1372 123:812
124:1027 125:1305 128:212 129:201 130:134 131:451
132:83 133:16 134:188 135:41 136:228 137:176
138:234 139:82 140:463 141:122 142:376 143:339
144:390 145:53 146:390 147:181 148:557 149:196
150:150 151:172 152:228 153:162 154:2 155:268
156:174 157:332 158:98 159:355 160:305 161:174
162:280 163:245 164:309 165:472 166:490 167:393
168:762 169:160 170:570 171:42 172:1 173:404
174:501 175:20 180:272 183:172 184:3 186:242
187:219 188:1110 189:610 190:3417 192:5714 193:4368
194:3366 195:2781 196:1190 198:3554 199:3387 200:5255
201:1447 202:8036 203:8292 204:3986 205:2167 206:2425
207:3072 208:3936 209:3424 210:2561 211:1166 212:1657
213:1642 214:249 215:58 216:4439 217:1382 218:479
219:455 220:1182 221:450 222:301
End of report