Routing Table Report 04:00 +10GMT Fri 30 Nov, 2007
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 239217
Prefixes after maximum aggregation: 123039
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 116713
Total ASes present in the Internet Routing Table: 26773
Prefixes per ASN: 8.94
Origin-only ASes present in the Internet Routing Table: 23307
Origin ASes announcing only one prefix: 11363
Transit ASes present in the Internet Routing Table: 3466
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN (35389) 25
Prefixes from unregistered ASNs in the Routing Table: 7
Unregistered ASNs in the Routing Table: 11
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: 14
Number of addresses announced to Internet: 1795884640
Equivalent to 107 /8s, 11 /16s and 6 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 111804
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55778
Total APNIC prefixes after maximum aggregation: 21302
APNIC Deaggregation factor: 2.62
Prefixes being announced from the APNIC address blocks: 52679
Unique aggregates announced from the APNIC address blocks: 23361
APNIC Region origin ASes present in the Internet Routing Table: 3093
APNIC Prefixes per ASN: 17.03
APNIC Region origin ASes announcing only one prefix: 807
APNIC Region transit ASes present in the Internet Routing Table: 477
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 326195616
Equivalent to 19 /8s, 113 /16s and 89 /24s
Percentage of available APNIC address space announced: 74.6
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: 111964
Total ARIN prefixes after maximum aggregation: 63877
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 82597
Unique aggregates announced from the ARIN address blocks: 32828
ARIN Region origin ASes present in the Internet Routing Table: 11963
ARIN Prefixes per ASN: 6.90
ARIN Region origin ASes announcing only one prefix: 4601
ARIN Region transit ASes present in the Internet Routing Table: 1125
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 354097280
Equivalent to 21 /8s, 27 /16s and 24 /24s
Percentage of available ARIN address space announced: 78.2
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: 50226
Total RIPE prefixes after maximum aggregation: 32169
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 47053
Unique aggregates announced from the RIPE address blocks: 31143
RIPE Region origin ASes present in the Internet Routing Table: 10548
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 5600
RIPE Region transit ASes present in the Internet Routing Table: 1641
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 337046656
Equivalent to 20 /8s, 22 /16s and 236 /24s
Percentage of available RIPE address space announced: 77.3
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: 17950
Total LACNIC prefixes after maximum aggregation: 4585
LACNIC Deaggregation factor: 3.91
Prefixes being announced from the LACNIC address blocks: 15926
Unique aggregates announced from the LACNIC address blocks: 8876
LACNIC Region origin ASes present in the Internet Routing Table: 882
LACNIC Prefixes per ASN: 18.06
LACNIC Region origin ASes announcing only one prefix: 287
LACNIC Region transit ASes present in the Internet Routing Table: 157
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 46756608
Equivalent to 2 /8s, 201 /16s and 115 /24s
Percentage of available LACNIC address space announced: 46.4
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: 3283
Total AfriNIC prefixes after maximum aggregation: 1090
AfriNIC Deaggregation factor: 3.01
Prefixes being announced from the AfriNIC address blocks: 2446
Unique aggregates announced from the AfriNIC address blocks: 1442
AfriNIC Region origin ASes present in the Internet Routing Table: 213
AfriNIC Prefixes per ASN: 11.48
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 8188672
Equivalent to 0 /8s, 124 /16s and 243 /24s
Percentage of available AfriNIC address space announced: 24.4
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 1481 383 69 Videsh Sanchar Nigam Ltd. Aut
4134 1097 11537 303 CHINANET-BACKBONE
9583 1093 81 423 Sify Limited
9498 1055 550 65 BHARTI BT INTERNET LTD.
17488 907 59 75 Hathway IP Over Cable Interne
4766 804 5472 328 Korea Telecom (KIX)
23577 801 34 685 Korea Telecom (ATM-MPLS)
7545 683 152 117 TPG Internet Pty Ltd
18101 607 120 55 Reliance Infocom Ltd Internet
1221 547 1952 423 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 529 869 79 China Telecom (Shanghai)
4668 519 68 10 LG-EDS Systems Inc.
4808 506 796 120 CNCGROUP IP network: China169
17676 503 10919 64 Softbank BB Corp.
4802 471 133 142 Wantree Development
9443 440 121 70 Primus Telecommunications
17974 403 145 17 PT TELEKOMUNIKASI INDONESIA
7474 383 202 269 SingTel Optus Pty Ltd
4837 362 5084 173 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1500 6139 1010 AT&T WorldNet Services
4323 1381 1017 364 Time Warner Telecom
2386 1278 633 792 AT&T Data Communications Serv
11492 1179 128 36 Cable One
6478 1124 329 178 AT&T Worldnet Services
18566 1033 288 9 Covad Communications
6197 1029 719 509 BellSouth Network Solutions,
174 979 6858 829 Cogent Communications
7011 968 289 570 Citizens Utilities
701 904 6550 709 UUNET Technologies, Inc.
20115 846 774 457 Charter Communications
3356 834 10887 415 Level 3 Communications, LLC
22773 824 2133 54 Cox Communications, Inc.
19262 815 2967 188 Verizon Global Networks
1239 800 2713 557 Sprint
209 743 3786 584 Qwest
5668 659 176 17 CenturyTel Internet Holdings,
15270 609 161 41 PaeTec.net -a division of Pae
6517 597 163 33 Yipes Communications, Inc.
852 582 1109 357 Telus Advanced Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 468 1917 381 UUNET - Commercial IP service
3292 405 1653 366 TDC Tele Danmark
9116 347 184 28 Goldenlines main autonomous s
3301 319 1457 294 TeliaNet Sweden
3320 316 6035 262 Deutsche Telekom AG
8452 284 188 7 TEDATA
8866 282 78 26 Bulgarian Telecommunication C
8551 277 266 40 Bezeq International
6746 276 129 253 Dynamic Network Technologies,
8708 274 421 244 Romania Data Systems S.A.
680 268 2045 254 DFN-IP service G-WiN
3215 266 2535 92 France Telecom Transpac
8220 254 446 234 COLT Telecommunications
3352 231 1916 46 Ibernet, Internet Access Netw
3269 227 2965 69 TELECOM ITALIA
3300 214 220 102 AUCS Communications Services
9121 211 1444 26 TTnet Autonomous System
9155 198 43 11 QualityNet AS number
1257 195 1195 178 SWIPnet Swedish IP Network
12479 195 578 6 Uni2 Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1160 2409 218 UniNet S.A. de C.V.
11830 539 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
7303 402 195 60 Telecom Argentina Stet-France
14522 381 33 8 SatNet S.A.
11172 379 115 62 Servicios Alestra S.A de C.V
6471 363 85 38 ENTEL CHILE S.A.
22047 322 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
10620 285 78 20 TVCABLE BOGOTA
14117 285 19 15 Telefonica del Sur S.A.
6147 258 214 21 Telefonica Del Peru
7738 242 602 25 Telecomunicacoes da Bahia S.A
11556 236 128 4 Cable-Wireless Panama
23216 220 17 47 RAMtelecom Telecomunicaciones
6503 217 187 86 AVANTEL, S.A.
28573 213 314 27 NET Servicos de Comunicao S.A
20299 208 34 30 NEWCOM AMERICAS
19169 188 12 20 Telconet
21826 186 33 47 INTERCABLE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 393 61 39 LINKdotNET AS number
3741 281 869 226 The Internet Solution
20858 200 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 144 300 116 Tertiary Education Network
33783 124 8 15 EEPAD TISP TELECOM & INTERNET
5536 123 8 13 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 82 84 4 Nile Online
2905 77 174 73 The Internetworking Company o
23889 74 24 15 MAURITIUS TELECOM
20484 66 5 6 Yalla Online Autonomous Syste
15706 58 12 4 Sudatel Internet Exchange Aut
29571 57 13 7 Ci Telecom Autonomous system
33774 50 37 28 AS Number for Telecom Algeria
5713 46 422 36 Telkom SA Ltd
16637 42 21 28 Johnnic e-Ventures
8524 32 2 10 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1481 1412 Videsh Sanchar Nigam Ltd. Aut
11492 1179 1143 Cable One
18566 1033 1024 Covad Communications
4323 1381 1017 Time Warner Telecom
9498 1055 990 BHARTI BT INTERNET LTD.
6478 1124 946 AT&T Worldnet Services
8151 1160 942 UniNet S.A. de C.V.
17488 907 832 Hathway IP Over Cable Interne
4134 1097 794 CHINANET-BACKBONE
22773 824 770 Cox Communications, Inc.
9583 1093 670 Sify Limited
5668 659 642 CenturyTel Internet Holdings,
19262 815 627 Verizon Global Networks
15270 609 568 PaeTec.net -a division of Pae
7545 683 566 TPG Internet Pty Ltd
6517 597 564 Yipes Communications, Inc.
18101 607 552 Reliance Infocom Ltd Internet
11830 539 530 Instituto Costarricense de El
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65000 PRIVATE 41.204.180.0/24 36866 Jamii Telecommunicat
64641 PRIVATE 61.20.16.0/20 18412 Far EastTone Telecom
65068 PRIVATE 79.171.184.0/21 43895 *
64779 PRIVATE 124.161.4.0/23 38356 BeiJing Sincerity-ti
65300 PRIVATE 216.243.221.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.222.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.223.0/24 11320 Internet Express, In
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /11:40 /12:134
/13:270 /14:485 /15:954 /16:9745 /17:4196 /18:6794
/19:14792 /20:16840 /21:15846 /22:20012 /23:21006 /24:125535
/25:813 /26:1033 /27:561 /28:105 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1168 1179 Cable One
6478 1123 1124 AT&T Worldnet Services
18566 1015 1033 Covad Communications
2386 970 1278 AT&T Data Communications Serv
9583 938 1093 Sify Limited
7011 855 968 Citizens Utilities
4755 852 1481 Videsh Sanchar Nigam Ltd. Aut
7018 823 1500 AT&T WorldNet Services
23577 792 801 Korea Telecom (ATM-MPLS)
6197 772 1029 BellSouth Network Solutions,
9498 737 1055 BHARTI BT INTERNET LTD.
17488 722 907 Hathway IP Over Cable Interne
4766 598 804 Korea Telecom (KIX)
4323 586 1381 Time Warner Telecom
15270 571 609 PaeTec.net -a division of Pae
19916 564 569 OLM LLC
6517 553 597 Yipes Communications, Inc.
5668 518 659 CenturyTel Internet Holdings,
4668 509 519 LG-EDS Systems Inc.
18101 503 607 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:89 12:1873 13:1 15:20 16:3
17:6 18:13 20:35 24:1006 25:1 31:1
32:62 33:3 38:362 40:64 41:416 44:2
47:8 52:3 55:3 56:3 57:21 58:479
59:415 60:383 61:996 62:1000 63:1988 64:3297
65:2356 66:3594 67:926 68:649 69:2035 70:467
71:106 72:1447 73:7 74:745 75:263 76:150
77:474 78:356 79:39 80:892 81:815 82:566
83:353 84:617 85:877 86:355 87:609 88:286
89:1020 90:39 91:793 92:12 96:2 97:6
98:16 114:1 115:1 116:455 117:232 118:47
121:358 122:655 123:222 124:728 125:1051 128:309
129:195 130:136 131:376 132:60 133:9 134:193
135:34 136:194 137:82 138:152 139:75 140:512
141:146 142:373 143:260 144:322 145:51 146:329
147:125 148:481 149:185 150:170 151:137 152:95
153:122 154:11 155:268 156:199 157:226 158:160
159:197 160:183 161:97 162:190 163:186 164:558
165:416 166:286 167:310 168:540 169:126 170:415
171:29 172:5 173:1 189:118 190:1255 192:5734
193:4043 194:3217 195:2317 196:940 198:3799 199:3235
200:5240 201:1278 202:7465 203:7816 204:3985 205:2007
206:2404 207:2768 208:2978 209:3566 210:2504 211:1108
212:1281 213:1587 214:408 215:46 216:4090 217:1208
218:331 219:401 220:1004 221:410 222:282
End of report