Routing Table Report 04:00 +10GMT Fri 02 Nov, 2007
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 236546
Prefixes after maximum aggregation: 122083
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 114316
Total ASes present in the Internet Routing Table: 26604
Prefixes per ASN: 8.89
Origin-only ASes present in the Internet Routing Table: 23159
Origin ASes announcing only one prefix: 11300
Transit ASes present in the Internet Routing Table: 3445
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 66
Max AS path prepend of ASN ( 3816) 64
Prefixes from unregistered ASNs in the Routing Table: 27
Unregistered ASNs in the Routing Table: 6
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: 12
Number of addresses announced to Internet: 1788140416
Equivalent to 106 /8s, 148 /16s and 219 /24s
Percentage of available address space announced: 48.2
Percentage of allocated address space announced: 61.7
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 109978
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 54984
Total APNIC prefixes after maximum aggregation: 20713
APNIC Deaggregation factor: 2.65
Prefixes being announced from the APNIC address blocks: 51904
Unique aggregates announced from the APNIC address blocks: 22071
APNIC Region origin ASes present in the Internet Routing Table: 3074
APNIC Prefixes per ASN: 16.88
APNIC Region origin ASes announcing only one prefix: 799
APNIC Region transit ASes present in the Internet Routing Table: 471
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 323887040
Equivalent to 19 /8s, 78 /16s and 31 /24s
Percentage of available APNIC address space announced: 74.1
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, 114/7, 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: 111165
Total ARIN prefixes after maximum aggregation: 63929
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 82153
Unique aggregates announced from the ARIN address blocks: 32527
ARIN Region origin ASes present in the Internet Routing Table: 11921
ARIN Prefixes per ASN: 6.89
ARIN Region origin ASes announcing only one prefix: 4593
ARIN Region transit ASes present in the Internet Routing Table: 1101
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 351754368
Equivalent to 20 /8s, 247 /16s and 88 /24s
Percentage of available ARIN address space announced: 77.7
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
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: 49385
Total RIPE prefixes after maximum aggregation: 31790
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 46315
Unique aggregates announced from the RIPE address blocks: 30558
RIPE Region origin ASes present in the Internet Routing Table: 10443
RIPE Prefixes per ASN: 4.44
RIPE Region origin ASes announcing only one prefix: 5557
RIPE Region transit ASes present in the Internet Routing Table: 1645
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 335404672
Equivalent to 19 /8s, 253 /16s and 222 /24s
Percentage of available RIPE address space announced: 76.9
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: 17735
Total LACNIC prefixes after maximum aggregation: 4557
LACNIC Deaggregation factor: 3.89
Prefixes being announced from the LACNIC address blocks: 15622
Unique aggregates announced from the LACNIC address blocks: 8703
LACNIC Region origin ASes present in the Internet Routing Table: 872
LACNIC Prefixes per ASN: 17.92
LACNIC Region origin ASes announcing only one prefix: 280
LACNIC Region transit ASes present in the Internet Routing Table: 149
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 66
Number of LACNIC addresses announced to Internet: 45809408
Equivalent to 2 /8s, 186 /16s and 255 /24s
Percentage of available LACNIC address space announced: 45.5
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 3241
Total AfriNIC prefixes after maximum aggregation: 1078
AfriNIC Deaggregation factor: 3.01
Prefixes being announced from the AfriNIC address blocks: 2368
Unique aggregates announced from the AfriNIC address blocks: 1396
AfriNIC Region origin ASes present in the Internet Routing Table: 214
AfriNIC Prefixes per ASN: 11.07
AfriNIC Region origin ASes announcing only one prefix: 71
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7640320
Equivalent to 0 /8s, 116 /16s and 149 /24s
Percentage of available AfriNIC address space announced: 22.8
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 1424 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1107 108 15 Sify Limited
4134 1099 11555 300 CHINANET-BACKBONE
9498 1018 549 64 BHARTI BT INTERNET LTD.
17488 874 57 69 Hathway IP Over Cable Interne
4766 814 5473 327 Korea Telecom (KIX)
23577 778 34 682 Korea Telecom (ATM-MPLS)
7545 620 158 105 TPG Internet Pty Ltd
18101 609 119 53 Reliance Infocom Ltd Internet
1221 546 1951 425 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 523 866 77 China Telecom (Shanghai)
4668 520 68 10 LG-EDS Systems Inc.
17676 504 10919 64 Softbank BB Corp.
4808 500 797 121 CNCGROUP IP network: China169
4802 487 133 141 Wantree Development
9443 441 121 72 Primus Telecommunications
7474 380 202 266 SingTel Optus Pty Ltd
17974 371 146 14 PT TELEKOMUNIKASI INDONESIA
4837 358 5050 169 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1503 6146 1006 AT&T WorldNet Services
4323 1359 1010 359 Time Warner Telecom
2386 1245 629 756 AT&T Data Communications Serv
11492 1159 119 47 Cable One
6478 1121 329 184 AT&T Worldnet Services
6197 1030 718 508 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 995 6850 847 Cogent Communications
7011 979 290 562 Citizens Utilities
701 890 6552 696 UUNET Technologies, Inc.
20115 848 774 457 Charter Communications
22773 802 2133 54 Cox Communications, Inc.
1239 801 2729 559 Sprint
19262 796 2859 184 Verizon Global Networks
3356 791 10885 408 Level 3 Communications, LLC
209 730 3784 574 Qwest
5668 662 176 17 CenturyTel Internet Holdings,
1785 594 395 247 AppliedTheory Corporation
6517 591 163 34 Yipes Communications, Inc.
3561 587 2324 375 Savvis
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 470 1919 384 UUNET - Commercial IP service
9116 335 168 28 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 315 6035 262 Deutsche Telekom AG
8551 311 298 41 Bezeq International
6746 273 129 251 Dynamic Network Technologies,
8708 273 421 244 Romania Data Systems S.A.
8866 269 62 25 Bulgarian Telecommunication C
680 268 2045 254 DFN-IP service G-WiN
3215 264 2504 99 France Telecom Transpac
8220 255 444 237 COLT Telecommunications
8452 254 188 7 TEDATA
3352 235 1932 41 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
9121 212 1442 25 TTnet Autonomous System
3300 199 172 95 AUCS Communications Services
3246 196 257 186 Song Networks
12479 195 578 6 Uni2 Autonomous System
1257 194 1195 177 SWIPnet Swedish IP Network
3292 193 1380 177 TDC Tele Danmark
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1159 2406 218 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
14522 378 32 7 SatNet S.A.
11172 377 114 60 Servicios Alestra S.A de C.V
7303 364 176 52 Telecom Argentina Stet-France
6471 352 77 37 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
14117 285 19 15 Telefonica del Sur S.A.
10620 265 73 27 TVCABLE BOGOTA
6147 242 182 20 Telefonica Del Peru
11556 236 128 4 Cable-Wireless Panama
23216 214 17 48 RAMtelecom Telecomunicaciones
6503 208 185 80 AVANTEL, S.A.
7738 205 538 24 Telecomunicacoes da Bahia S.A
28573 202 314 27 NET Servicos de Comunicao S.A
21826 183 33 48 INTERCABLE
20299 181 33 30 NEWCOM AMERICAS
19169 180 12 19 Telconet
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 387 67 44 LINKdotNET AS number
3741 279 869 225 The Internet Solution
20858 195 34 3 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
2018 140 299 115 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 124 8 11 EEPAD TISP TELECOM & INTERNET
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 83 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 74 24 15 MAURITIUS TELECOM
20484 63 5 5 Yalla Online Autonomous Syste
15706 55 12 4 Sudatel Internet Exchange Aut
29571 55 11 7 Ci Telecom Autonomous system
33774 48 33 26 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
16637 42 21 29 Johnnic e-Ventures
12455 36 6 3 Jambonet Autonomous system
8524 32 2 10 AUCEGYPT Autonomous System
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1424 1357 Videsh Sanchar Nigam Ltd. Aut
11492 1159 1112 Cable One
9583 1107 1092 Sify Limited
18566 1028 1019 Covad Communications
4323 1359 1000 Time Warner Telecom
9498 1018 954 BHARTI BT INTERNET LTD.
8151 1159 941 UniNet S.A. de C.V.
6478 1121 937 AT&T Worldnet Services
17488 874 805 Hathway IP Over Cable Interne
4134 1099 799 CHINANET-BACKBONE
22773 802 748 Cox Communications, Inc.
5668 662 645 CenturyTel Internet Holdings,
19262 796 612 Verizon Global Networks
6517 591 557 Yipes Communications, Inc.
18101 609 556 Reliance Infocom Ltd Internet
6197 1030 522 BellSouth Network Solutions,
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo
7545 620 515 TPG Internet Pty Ltd
4668 520 510 LG-EDS Systems Inc.
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
64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network
65100 PRIVATE 80.91.113.0/24 33924 ProNet Autonomous Sy
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
64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.1.0/24 9498 BHARTI BT INTERNET L
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
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 /8:18 /9:9 /10:16 /11:39 /12:136
/13:270 /14:480 /15:949 /16:9711 /17:4164 /18:6685
/19:14587 /20:16668 /21:15534 /22:19797 /23:20816 /24:124159
/25:812 /26:1030 /27:540 /28:113 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1150 1159 Cable One
6478 1120 1121 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 945 1107 Sify Limited
2386 935 1245 AT&T Data Communications Serv
7011 866 979 Citizens Utilities
7018 828 1503 AT&T WorldNet Services
4755 814 1424 Videsh Sanchar Nigam Ltd. Aut
6197 774 1030 BellSouth Network Solutions,
23577 769 778 Korea Telecom (ATM-MPLS)
9498 704 1018 BHARTI BT INTERNET LTD.
17488 689 874 Hathway IP Over Cable Interne
4766 605 814 Korea Telecom (KIX)
4323 574 1359 Time Warner Telecom
19916 564 569 OLM LLC
6517 546 591 Yipes Communications, Inc.
5668 521 662 CenturyTel Internet Holdings,
4668 510 520 LG-EDS Systems Inc.
18101 509 609 Reliance Infocom Ltd Internet
855 443 543 Canadian Research Network
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:90 12:1799 15:19 16:3 17:6
18:13 20:35 24:987 25:1 32:57 33:3
38:357 40:64 41:368 44:2 47:8 52:3
55:3 56:3 57:21 58:477 59:409 60:380
61:989 62:941 63:1990 64:3292 65:2375 66:3587
67:853 68:684 69:2008 70:465 71:107 72:1410
73:8 74:742 75:263 76:155 77:411 78:263
79:9 80:861 81:802 82:575 83:350 84:635
85:819 86:402 87:585 88:283 89:1017 90:39
91:706 92:4 96:1 97:6 98:12 116:419
117:203 118:42 121:332 122:634 123:204 124:703
125:1036 128:306 129:195 130:143 131:366 132:55
133:9 134:193 135:34 136:189 137:82 138:156
139:76 140:513 141:145 142:370 143:258 144:317
145:46 146:327 147:130 148:487 149:187 150:168
151:137 152:92 153:121 154:11 155:261 156:164
157:224 158:159 159:194 160:142 161:100 162:188
163:183 164:500 165:397 166:290 167:308 168:510
169:127 170:418 171:22 172:5 189:103 190:1206
192:5715 193:3985 194:3206 195:2459 196:941 198:3798
199:3221 200:5236 201:1229 202:7429 203:7729 204:3980
205:1998 206:2413 207:2784 208:2916 209:3594 210:2500
211:1077 212:1307 213:1526 214:420 215:43 216:4110
217:1204 218:322 219:383 220:1012 221:403 222:266
End of report