Routing Table Report 04:00 +10GMT Thu 27 Sep, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/09/27/0400
Analysis Summary
----------------
BGP routing table entries examined: 232756
Prefixes after maximum aggregation: 120928
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 113061
Total ASes present in the Internet Routing Table: 26292
Prefixes per ASN: 8.85
Origin-only ASes present in the Internet Routing Table: 22897
Origin ASes announcing only one prefix: 11148
Transit ASes present in the Internet Routing Table: 3395
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 19
Unregistered ASNs in the Routing Table: 5
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1786393696
Equivalent to 106 /8s, 122 /16s and 52 /24s
Percentage of available address space announced: 48.2
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 123776
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 54406
Total APNIC prefixes after maximum aggregation: 20974
APNIC Deaggregation factor: 2.59
Prefixes being announced from the APNIC address blocks: 51334
Unique aggregates announced from the APNIC address blocks: 22770
APNIC Region origin ASes present in the Internet Routing Table: 3065
APNIC Prefixes per ASN: 16.75
APNIC Region origin ASes announcing only one prefix: 809
APNIC Region transit ASes present in the Internet Routing Table: 470
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 319519392
Equivalent to 19 /8s, 11 /16s and 122 /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
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 109656
Total ARIN prefixes after maximum aggregation: 63230
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 80874
Unique aggregates announced from the ARIN address blocks: 32041
ARIN Region origin ASes present in the Internet Routing Table: 11846
ARIN Prefixes per ASN: 6.83
ARIN Region origin ASes announcing only one prefix: 4542
ARIN Region transit ASes present in the Internet Routing Table: 1083
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 345979264
Equivalent to 20 /8s, 159 /16s and 57 /24s
Percentage of available ARIN address space announced: 76.4
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
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 48867
Total RIPE prefixes after maximum aggregation: 31196
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 45240
Unique aggregates announced from the RIPE address blocks: 29869
RIPE Region origin ASes present in the Internet Routing Table: 10231
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5452
RIPE Region transit ASes present in the Internet Routing Table: 1623
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 329164928
Equivalent to 19 /8s, 158 /16s and 168 /24s
Percentage of available RIPE address space announced: 75.5
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
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 17123
Total LACNIC prefixes after maximum aggregation: 4487
LACNIC Deaggregation factor: 3.82
Prefixes being announced from the LACNIC address blocks: 15223
Unique aggregates announced from the LACNIC address blocks: 8159
LACNIC Region origin ASes present in the Internet Routing Table: 868
LACNIC Prefixes per ASN: 17.54
LACNIC Region origin ASes announcing only one prefix: 276
LACNIC Region transit ASes present in the Internet Routing Table: 148
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 43243008
Equivalent to 2 /8s, 147 /16s and 214 /24s
Percentage of available LACNIC address space announced: 64.4
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2676
Total AfriNIC prefixes after maximum aggregation: 1025
AfriNIC Deaggregation factor: 2.61
Prefixes being announced from the AfriNIC address blocks: 2268
Unique aggregates announced from the AfriNIC address blocks: 1364
AfriNIC Region origin ASes present in the Internet Routing Table: 206
AfriNIC Prefixes per ASN: 11.01
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7460096
Equivalent to 0 /8s, 113 /16s and 213 /24s
Percentage of available AfriNIC address space announced: 22.2
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4755 1344 383 66 Videsh Sanchar Nigam Ltd. Aut
9583 1126 81 409 Sify Limited
4134 1079 11348 295 CHINANET-BACKBONE
9498 998 532 64 BHARTI BT INTERNET LTD.
17488 816 53 61 Hathway IP Over Cable Interne
4766 809 5441 321 Korea Telecom (KIX)
23577 788 34 684 Korea Telecom (ATM-MPLS)
7545 729 159 120 TPG Internet Pty Ltd
18101 600 119 50 Reliance Infocom Ltd Internet
4802 578 132 149 Wantree Development
4812 547 974 94 China Telecom (Shanghai)
1221 540 1950 421 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4668 517 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 480 783 119 CNCGROUP IP network: China169
9443 467 122 77 Primus Telecommunications
7474 381 218 268 SingTel Optus Pty Ltd
17974 361 130 13 PT TELEKOMUNIKASI INDONESIA
4837 357 5136 169 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1478 6122 994 AT&T WorldNet Services
4323 1354 991 366 Time Warner Telecom
2386 1218 635 730 AT&T Data Communications Serv
11492 1152 113 17 Cable One
6478 1132 328 132 AT&T Worldnet Services
6197 1031 718 508 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 971 6779 850 Cogent Communications
7011 939 285 557 Citizens Utilities
701 874 6558 682 UUNET Technologies, Inc.
20115 819 754 441 Charter Communications
1239 801 2720 562 Sprint
19262 780 2765 192 Verizon Global Networks
22773 772 2149 51 Cox Communications, Inc.
209 738 3818 582 Qwest
3356 665 10820 369 Level 3 Communications, LLC
5668 656 176 23 CenturyTel Internet Holdings,
6517 593 165 36 Yipes Communications, Inc.
15270 580 160 38 PaeTec.net -a division of Pae
852 577 1093 357 Telus Advanced Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 491 1921 393 UUNET - Commercial IP service
24863 371 58 37 LINKdotNET AS number
9116 352 168 27 Goldenlines main autonomous s
3301 319 1457 296 TeliaNet Sweden
3320 314 6035 261 Deutsche Telekom AG
8551 297 284 38 Bezeq International
6746 290 131 266 Dynamic Network Technologies,
680 269 2045 257 DFN-IP service G-WiN
8866 265 62 22 Bulgarian Telecommunication C
8708 263 421 242 Romania Data Systems S.A.
3215 261 2456 98 France Telecom Transpac
8220 255 444 238 COLT Telecommunications
3352 229 1882 40 Ibernet, Internet Access Netw
5089 224 1658 54 NTL Group Limited
3269 223 2839 73 TELECOM ITALIA
9121 217 1442 25 TTnet Autonomous System
3300 197 172 96 AUCS Communications Services
3292 196 1380 176 TDC Tele Danmark
1257 194 1195 171 SWIPnet Swedish IP Network
12479 193 578 6 Uni2 Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1021 2158 213 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 380 114 60 Servicios Alestra S.A de C.V
7303 352 166 50 Telecom Argentina Stet-France
14522 345 29 8 SatNet S.A.
6471 330 75 33 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 284 19 15 Telefonica del Sur S.A.
11664 278 30 13 Keytech SA
10481 261 104 9 Prima S.A.
10620 238 66 24 TVCABLE BOGOTA
11556 237 128 4 Cable-Wireless Panama
6147 228 178 24 Telefonica Del Peru
6503 202 170 82 AVANTEL, S.A.
23216 196 16 44 RAMtelecom Telecomunicaciones
20299 178 25 30 NEWCOM AMERICAS
8163 177 11 6 METROTEL REDES S.A.
28573 177 267 19 NET Servicos de Comunicao S.A
19169 175 12 19 Telconet
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 277 869 225 The Internet Solution
8452 219 188 7 TEDATA
2018 140 301 115 Tertiary Education Network
6713 127 135 11 Itissalat Al-MAGHRIB
33783 125 8 12 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 87 48 6 RAYA Telecom - Egypt
15475 76 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 73 24 15 MAURITIUS TELECOM
15706 56 12 4 Sudatel Internet Exchange Aut
33774 47 29 25 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
16637 42 21 29 Johnnic e-Ventures
12455 32 6 3 Jambonet Autonomous system
8524 31 2 10 AUCEGYPT Autonomous System
10798 27 16 1 Standard Bank of South Africa
29975 26 10 9 Vodacom
15804 24 2 1 AS of The Way Out Internet So
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1344 1278 Videsh Sanchar Nigam Ltd. Aut
11492 1152 1135 Cable One
18566 1028 1019 Covad Communications
6478 1132 1000 AT&T Worldnet Services
4323 1354 988 Time Warner Telecom
9498 998 934 BHARTI BT INTERNET LTD.
8151 1021 808 UniNet S.A. de C.V.
4134 1079 784 CHINANET-BACKBONE
17488 816 755 Hathway IP Over Cable Interne
22773 772 721 Cox Communications, Inc.
9583 1126 717 Sify Limited
5668 656 633 CenturyTel Internet Holdings,
7545 729 609 TPG Internet Pty Ltd
19262 780 588 Verizon Global Networks
6517 593 557 Yipes Communications, Inc.
18101 600 550 Reliance Infocom Ltd Internet
15270 580 542 PaeTec.net -a division of Pae
6197 1031 523 BellSouth Network Solutions,
9829 530 521 BSNL National Internet Backbo
19916 568 517 OLM LLC
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.64.0/19 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.96.0/20 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.112.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.176.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.188.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.192.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.196.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.200.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.204.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.208.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.212.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.216.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.220.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.240.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.242.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.244.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.246.0/23 9498 BHARTI BT INTERNET L
65501 PRIVATE 202.153.21.0/24 23666 PT Sistelindo Mitral
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:16 /11:37 /12:136
/13:264 /14:473 /15:923 /16:9621 /17:4091 /18:6649
/19:14105 /20:16544 /21:15068 /22:19568 /23:20386 /24:122412
/25:762 /26:1033 /27:541 /28:86 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1144 1152 Cable One
6478 1131 1132 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 968 1126 Sify Limited
2386 909 1218 AT&T Data Communications Serv
7011 829 939 Citizens Utilities
7018 826 1478 AT&T WorldNet Services
6197 784 1031 BellSouth Network Solutions,
23577 779 788 Korea Telecom (ATM-MPLS)
4755 755 1344 Videsh Sanchar Nigam Ltd. Aut
9498 678 998 BHARTI BT INTERNET LTD.
17488 639 816 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
4323 581 1354 Time Warner Telecom
19916 563 568 OLM LLC
6517 558 593 Yipes Communications, Inc.
15270 544 580 PaeTec.net -a division of Pae
5668 521 656 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
18101 503 600 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:82 12:1786 13:1 15:20 16:3
17:3 18:13 20:37 24:974 25:1 32:60
33:3 38:351 40:61 41:320 44:2 47:4
52:4 55:3 56:3 57:23 58:473 59:406
60:370 61:993 62:933 63:2008 64:3223 65:2376
66:3505 67:816 68:675 69:1973 70:456 71:106
72:1431 73:5 74:674 75:260 76:131 77:361
78:160 80:816 81:833 82:568 83:375 84:632
85:825 86:344 87:568 88:284 89:998 90:38
91:579 97:6 98:1 101:1 116:367 117:160
118:19 121:300 122:594 123:184 124:676 125:1006
128:272 129:213 130:137 131:364 132:54 133:9
134:196 135:34 136:188 137:82 138:155 139:74
140:505 141:174 142:391 143:263 144:311 145:47
146:332 147:125 148:418 149:165 150:107 151:157
152:89 153:118 154:11 155:256 156:162 157:218
158:160 159:175 160:135 161:102 162:173 163:182
164:488 165:395 166:287 167:297 168:501 169:123
170:385 171:22 172:2 189:75 190:1164 192:5710
193:3961 194:3192 195:2299 196:963 198:3824 199:3212
200:5334 201:1217 202:7363 203:7862 204:3927 205:1992
206:2411 207:2848 208:2855 209:3474 210:2468 211:1085
212:1304 213:1490 214:424 215:45 216:4015 217:1197
218:320 219:370 220:1011 221:414 222:261
End of report