Routing Table Report 04:00 +10GMT Thu 13 Sep, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/09/13/0400
Analysis Summary
----------------
BGP routing table entries examined: 230291
Prefixes after maximum aggregation: 120032
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 111045
Total ASes present in the Internet Routing Table: 26164
Prefixes per ASN: 8.80
Origin-only ASes present in the Internet Routing Table: 22778
Origin ASes announcing only one prefix: 11086
Transit ASes present in the Internet Routing Table: 3386
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: 25
Max AS path prepend of ASN (43329) 20
Prefixes from unregistered ASNs in the Routing Table: 31
Unregistered ASNs in the Routing Table: 23
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1757670496
Equivalent to 104 /8s, 195 /16s and 236 /24s
Percentage of available address space announced: 47.4
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 122198
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 53629
Total APNIC prefixes after maximum aggregation: 20518
APNIC Deaggregation factor: 2.61
Prefixes being announced from the APNIC address blocks: 50656
Unique aggregates announced from the APNIC address blocks: 21425
APNIC Region origin ASes present in the Internet Routing Table: 3045
APNIC Prefixes per ASN: 16.64
APNIC Region origin ASes announcing only one prefix: 801
APNIC Region transit ASes present in the Internet Routing Table: 466
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 313787552
Equivalent to 18 /8s, 180 /16s and 4 /24s
Percentage of available APNIC address space announced: 77.7
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: 108870
Total ARIN prefixes after maximum aggregation: 62990
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 80207
Unique aggregates announced from the ARIN address blocks: 31955
ARIN Region origin ASes present in the Internet Routing Table: 11806
ARIN Prefixes per ASN: 6.79
ARIN Region origin ASes announcing only one prefix: 4517
ARIN Region transit ASes present in the Internet Routing Table: 1090
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 343744128
Equivalent to 20 /8s, 125 /16s and 30 /24s
Percentage of available ARIN address space announced: 75.9
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: 48236
Total RIPE prefixes after maximum aggregation: 31027
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 44647
Unique aggregates announced from the RIPE address blocks: 29608
RIPE Region origin ASes present in the Internet Routing Table: 10167
RIPE Prefixes per ASN: 4.39
RIPE Region origin ASes announcing only one prefix: 5418
RIPE Region transit ASes present in the Internet Routing Table: 1619
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 325884544
Equivalent to 19 /8s, 108 /16s and 154 /24s
Percentage of available RIPE address space announced: 74.7
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
40960-44031
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: 16807
Total LACNIC prefixes after maximum aggregation: 4455
LACNIC Deaggregation factor: 3.77
Prefixes being announced from the LACNIC address blocks: 14900
Unique aggregates announced from the LACNIC address blocks: 7871
LACNIC Region origin ASes present in the Internet Routing Table: 863
LACNIC Prefixes per ASN: 17.27
LACNIC Region origin ASes announcing only one prefix: 281
LACNIC Region transit ASes present in the Internet Routing Table: 144
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 42234880
Equivalent to 2 /8s, 132 /16s and 116 /24s
Percentage of available LACNIC address space announced: 62.9
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: 2736
Total AfriNIC prefixes after maximum aggregation: 1030
AfriNIC Deaggregation factor: 2.66
Prefixes being announced from the AfriNIC address blocks: 2296
Unique aggregates announced from the AfriNIC address blocks: 1333
AfriNIC Region origin ASes present in the Internet Routing Table: 207
AfriNIC Prefixes per ASN: 11.09
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC addresses announced to Internet: 7456512
Equivalent to 0 /8s, 113 /16s and 199 /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 1381 383 70 Videsh Sanchar Nigam Ltd. Aut
9583 1134 108 18 Sify Limited
4134 1076 11220 292 CHINANET-BACKBONE
9498 1000 532 64 BHARTI BT INTERNET LTD.
4766 809 5441 321 Korea Telecom (KIX)
17488 796 52 55 Hathway IP Over Cable Interne
23577 791 34 685 Korea Telecom (ATM-MPLS)
7545 723 159 120 TPG Internet Pty Ltd
18101 596 119 50 Reliance Infocom Ltd Internet
4812 548 978 96 China Telecom (Shanghai)
1221 535 1950 416 Telstra Pty Ltd
4668 516 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 484 778 115 CNCGROUP IP network: China169
9443 467 122 77 Primus Telecommunications
4802 438 117 154 Wantree Development
17974 381 130 13 PT TELEKOMUNIKASI INDONESIA
7474 379 216 267 SingTel Optus Pty Ltd
9829 359 257 10 BSNL National Internet Backbo
4837 356 5104 167 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1476 6074 995 AT&T WorldNet Services
4323 1323 990 370 Time Warner Telecom
2386 1212 635 732 AT&T Data Communications Serv
11492 1144 112 15 Cable One
6478 1135 326 164 AT&T Worldnet Services
6197 1033 718 509 BellSouth Network Solutions,
18566 1024 288 9 Covad Communications
174 973 6780 861 Cogent Communications
7011 921 279 549 Citizens Utilities
701 869 6573 675 UUNET Technologies, Inc.
20115 818 752 437 Charter Communications
1239 803 2718 565 Sprint
19262 773 2744 187 Verizon Global Networks
22773 772 2149 50 Cox Communications, Inc.
209 746 3835 586 Qwest
5668 658 176 23 CenturyTel Internet Holdings,
3356 624 10812 354 Level 3 Communications, LLC
6517 590 165 34 Yipes Communications, Inc.
852 579 1096 363 Telus Advanced Communications
15270 575 160 38 PaeTec.net -a division of Pae
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 494 1923 396 UUNET - Commercial IP service
24863 367 57 40 LINKdotNET AS number
9116 349 168 26 Goldenlines main autonomous s
3301 318 1457 296 TeliaNet Sweden
3320 315 6035 262 Deutsche Telekom AG
6746 289 130 265 Dynamic Network Technologies,
680 269 2045 257 DFN-IP service G-WiN
8551 265 252 37 Bezeq International
8708 262 420 241 Romania Data Systems S.A.
3215 258 2424 98 France Telecom Transpac
8220 248 441 232 COLT Telecommunications
3352 229 1866 39 Ibernet, Internet Access Netw
5089 224 1658 54 NTL Group Limited
3269 223 2839 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
3292 196 1379 176 TDC Tele Danmark
12479 194 578 6 Uni2 Autonomous System
3300 193 172 94 AUCS Communications Services
1257 192 1195 170 SWIPnet Swedish IP Network
3246 186 253 176 Song Networks
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 905 1974 206 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 374 114 60 Servicios Alestra S.A de C.V
7303 347 165 52 Telecom Argentina Stet-France
6471 330 75 33 ENTEL CHILE S.A.
14522 329 28 7 SatNet S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 284 19 15 Telefonica del Sur S.A.
10481 278 104 9 Prima S.A.
11664 276 30 13 Keytech SA
10620 235 65 22 TVCABLE BOGOTA
11556 235 128 3 Cable-Wireless Panama
6147 228 178 24 Telefonica Del Peru
6503 201 170 82 AVANTEL, S.A.
23216 197 17 46 RAMtelecom Telecomunicaciones
20299 180 25 31 NEWCOM AMERICAS
8163 177 11 6 METROTEL REDES S.A.
19169 171 12 18 Telconet
21826 171 30 58 INTERCABLE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 285 870 226 The Internet Solution
8452 219 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 140 301 115 Tertiary Education Network
33783 126 8 11 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 69 24 15 MAURITIUS TELECOM
2561 62 6 2 Egyptian Universities Network
15706 55 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
8524 31 2 10 AUCEGYPT Autonomous System
21280 29 4 4 Swift Global Kenya Ltd.Is an
10798 27 16 1 Standard Bank of South Africa
12455 27 6 3 Jambonet Autonomous system
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1381 1311 Videsh Sanchar Nigam Ltd. Aut
11492 1144 1129 Cable One
9583 1134 1116 Sify Limited
18566 1024 1015 Covad Communications
6478 1135 971 AT&T Worldnet Services
4323 1323 953 Time Warner Telecom
9498 1000 936 BHARTI BT INTERNET LTD.
4134 1076 784 CHINANET-BACKBONE
17488 796 741 Hathway IP Over Cable Interne
22773 772 722 Cox Communications, Inc.
8151 905 699 UniNet S.A. de C.V.
5668 658 635 CenturyTel Internet Holdings,
7545 723 603 TPG Internet Pty Ltd
19262 773 586 Verizon Global Networks
6517 590 556 Yipes Communications, Inc.
18101 596 546 Reliance Infocom Ltd Internet
15270 575 537 PaeTec.net -a division of Pae
6197 1033 524 BellSouth Network Solutions,
19916 568 517 OLM LLC
4668 516 506 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
43565 UNALLOCATED 78.131.152.0/24 20960 Rom West Electronic
43218 UNALLOCATED 78.153.0.0/19 5563 JSV "Information Tec
43599 UNALLOCATED 78.155.224.0/19 34667 Institute of Technol
42343 UNALLOCATED 91.150.0.0/18 16086 Finnet, Finland
43464 UNALLOCATED 91.195.4.0/23 9050 RTD-ROMTELECOM Auton
43547 UNALLOCATED 91.195.38.0/23 29433 Media Works
43595 UNALLOCATED 91.195.60.0/23 28917 JSC "TRC FIORD"
43633 UNALLOCATED 91.195.90.0/23 35602 ZOL network communic
43139 UNALLOCATED 91.196.148.0/22 13307 RIPE Network Coordin
43553 UNALLOCATED 91.197.120.0/22 6849 JSC UKRTELECOM,
43576 UNALLOCATED 91.197.144.0/24 35320 Eurotranstelecom
43576 UNALLOCATED 91.197.144.0/22 35320 Eurotranstelecom
43576 UNALLOCATED 91.197.145.0/24 35320 Eurotranstelecom
43576 UNALLOCATED 91.197.146.0/24 35320 Eurotranstelecom
43576 UNALLOCATED 91.197.147.0/24 35320 Eurotranstelecom
43658 UNALLOCATED 91.197.168.0/22 15772 W-NET Kiev
43668 UNALLOCATED 91.197.184.0/22 13249 PFTS Securities Trad
64586 PRIVATE 192.170.73.0/24 4845 Chung Hsiao East Roa
43410 UNALLOCATED 193.39.249.0/24 8402 Corbina telecom
43422 UNALLOCATED 193.46.72.0/24 5462 Telewest Broadband
42321 UNALLOCATED 194.0.202.0/24 9121 TTnet Autonomous Sys
43421 UNALLOCATED 194.33.17.0/24 8879 DTS-Online Autonomou
43421 UNALLOCATED 194.33.18.0/23 8879 DTS-Online Autonomou
43289 UNALLOCATED 194.169.204.0/24 31252 StarNet Communicatio
41243 UNALLOCATED 195.74.66.0/24 3301 TeliaNet Sweden
64586 PRIVATE 202.165.137.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.142.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
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 /8:18 /9:9 /10:15 /11:37 /12:134
/13:260 /14:471 /15:922 /16:9606 /17:4065 /18:6604
/19:13955 /20:16232 /21:14916 /22:19179 /23:20104 /24:121356
/25:767 /26:1031 /27:514 /28:83 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1136 1144 Cable One
6478 1134 1135 AT&T Worldnet Services
18566 1006 1024 Covad Communications
9583 967 1134 Sify Limited
2386 903 1212 AT&T Data Communications Serv
7018 817 1476 AT&T WorldNet Services
7011 813 921 Citizens Utilities
6197 786 1033 BellSouth Network Solutions,
23577 782 791 Korea Telecom (ATM-MPLS)
4755 761 1381 Videsh Sanchar Nigam Ltd. Aut
9498 672 1000 BHARTI BT INTERNET LTD.
17488 619 796 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
19916 563 568 OLM LLC
6517 556 590 Yipes Communications, Inc.
4323 555 1323 Time Warner Telecom
15270 539 575 PaeTec.net -a division of Pae
5668 523 658 CenturyTel Internet Holdings,
4668 506 516 LG-EDS Systems Inc.
18101 502 596 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:79 12:1803 13:1 15:19
16:3 17:3 18:13 20:36 24:967 25:1
32:60 33:3 38:347 40:60 41:320 44:2
47:4 52:4 55:3 56:3 57:24 58:474
59:403 60:366 61:1012 62:934 63:2014 64:3190
65:2372 66:3408 67:794 68:659 69:1975 70:446
71:105 72:1409 73:4 74:647 75:259 76:131
77:345 78:56 80:832 81:829 82:573 83:362
84:617 85:821 86:340 87:504 88:279 89:977
90:24 91:549 96:1 97:6 98:2 116:313
117:169 118:18 121:286 122:604 123:175 124:670
125:989 128:271 129:214 130:138 131:364 132:55
133:9 134:197 135:34 136:189 137:81 138:154
139:74 140:492 141:173 142:384 143:255 144:298
145:46 146:331 147:125 148:415 149:149 150:111
151:159 152:87 153:119 154:3 155:263 156:161
157:218 158:158 159:173 160:118 161:95 162:175
163:180 164:483 165:395 166:275 167:298 168:515
169:122 170:385 171:22 172:2 189:73 190:1100
192:5708 193:3985 194:3193 195:2284 196:971 198:3818
199:3215 200:5276 201:1196 202:7363 203:7673 204:3923
205:1958 206:2416 207:2872 208:2824 209:3481 210:2450
211:1090 212:1309 213:1472 214:415 215:42 216:3972
217:1203 218:323 219:381 220:1022 221:412 222:264
End of report