Routing Table Report 04:00 +10GMT Mon 27 Feb, 2006
Analysis Summary
----------------
BGP routing table entries examined: 182915
Prefixes after maximum aggregation: 101605
Unique aggregates announced to Internet: 88806
Total ASes present in the Internet Routing Table: 21596
Origin-only ASes present in the Internet Routing Table: 18769
Origin ASes announcing only one prefix: 8907
Transit ASes present in the Internet Routing Table: 2827
Transit-only ASes present in the Internet Routing Table: 69
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 29
Prefixes from unregistered ASNs in the Routing Table: 85
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1502095712
Equivalent to 89 /8s, 136 /16s and 41 /24s
Percentage of available address space announced: 40.5
Percentage of allocated address space announced: 59.8
Percentage of available address space allocated: 67.8
Total number of prefixes smaller than registry allocations: 89389
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38485
Total APNIC prefixes after maximum aggregation: 16264
Prefixes being announced from the APNIC address blocks: 36286
Unique aggregates announced from the APNIC address blocks: 17588
APNIC Region origin ASes present in the Internet Routing Table: 2484
APNIC Region origin ASes announcing only one prefix: 693
APNIC Region transit ASes present in the Internet Routing Table: 390
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 214739680
Equivalent to 12 /8s, 204 /16s and 170 /24s
Percentage of available APNIC address space announced: 67.1
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, 121/8, 122/7, 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: 96066
Total ARIN prefixes after maximum aggregation: 56676
Prefixes being announced from the ARIN address blocks: 75352
Unique aggregates announced from the ARIN address blocks: 28571
ARIN Region origin ASes present in the Internet Routing Table: 10548
ARIN Region origin ASes announcing only one prefix: 3943
ARIN Region transit ASes present in the Internet Routing Table: 961
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 288808192
Equivalent to 17 /8s, 54 /16s and 221 /24s
Percentage of available ARIN address space announced: 71.7
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
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 36120
Total RIPE prefixes after maximum aggregation: 24291
Prefixes being announced from the RIPE address blocks: 33127
Unique aggregates announced from the RIPE address blocks: 22360
RIPE Region origin ASes present in the Internet Routing Table: 7678
RIPE Region origin ASes announcing only one prefix: 4006
RIPE Region transit ASes present in the Internet Routing Table: 1287
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 238837120
Equivalent to 14 /8s, 60 /16s and 93 /24s
Percentage of available RIPE address space announced: 71.2
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
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 10246
Total LACNIC prefixes after maximum aggregation: 3495
Prefixes being announced from the LACNIC address blocks: 8409
Unique aggregates announced from the LACNIC address blocks: 5090
LACNIC Region origin ASes present in the Internet Routing Table: 678
LACNIC Region origin ASes announcing only one prefix: 224
LACNIC Region transit ASes present in the Internet Routing Table: 122
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 25595392
Equivalent to 1 /8s, 134 /16s and 142 /24s
Percentage of available LACNIC address space announced: 38.1
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: 1916
Total AfriNIC prefixes after maximum aggregation: 879
Prefixes being announced from the AfriNIC address blocks: 1294
Unique aggregates announced from the AfriNIC address blocks: 888
AfriNIC Region origin ASes present in the Internet Routing Table: 144
AfriNIC Region origin ASes announcing only one prefix: 41
AfriNIC Region transit ASes present in the Internet Routing Table: 23
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 3784192
Equivalent to 0 /8s, 57 /16s and 190 /24s
Percentage of available AfriNIC address space announced: 11.3
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
4134 987 6768 206 CHINANET-BACKBONE
4755 854 259 71 Videsh Sanchar Nigam Ltd. Aut
9583 854 109 15 Sify Limited
4766 703 3927 300 Korea Telecom (KIX)
1221 653 1428 469 Telstra Pty Ltd
9498 531 211 71 BHARTI BT INTERNET LTD.
7545 516 108 69 TPG Internet Pty Ltd
17488 514 31 7 Hathway IP Over Cable Interne
17676 482 6981 106 Softbank BB Corp.
9443 411 94 85 Primus Telecommunications
4802 367 75 158 Wantree Development
2907 338 1747 315 SINET Japan
9929 330 216 51 China Netcom Corp.
18101 329 68 23 Reliance Infocom Ltd Internet
17557 319 25 165 Pakistan Telecom
17974 318 76 36 PT TELEKOMUNIKASI INDONESIA
17849 299 19 119 Telecommunications Technology
7474 297 211 230 SingTel Optus Pty Ltd
4780 280 226 16 Digital United Inc.
9837 272 78 168 Powertel Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1466 6262 949 AT&T WorldNet Services
4323 1223 712 235 Time Warner Telecom
721 1015 21954 307 DLA Systems Automation Center
6197 996 626 460 BellSouth Network Solutions,
174 977 5786 923 Cogent Communications
701 958 8065 792 UUNET Technologies, Inc.
18566 912 272 8 Covad Communications
2386 901 506 674 AT&T Data Communications Serv
1239 849 2774 602 Sprint
19029 771 152 113 New Edge Networks
209 692 3607 539 Qwest
20115 666 583 358 Charter Communications
19262 657 1907 153 Verizon Global Networks
22773 636 1480 40 Cox Communications, Inc.
11492 625 84 14 Cable One
6198 581 471 241 BellSouth Network Solutions,
852 572 1088 382 Telus Advanced Communications
855 570 244 64 Canadian Research Network
19916 563 49 54 OLM LLC
7011 532 187 353 Citizens Utilities
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 583 1952 459 UUNET - Commercial IP service
3301 308 1071 293 TeliaNet Sweden
3352 304 1516 30 Ibernet, Internet Access Netw
3320 280 3477 234 Deutsche Telekom AG
8220 274 474 268 COLT Telecommunications
680 243 2025 240 DFN-IP service G-WiN
6746 235 89 201 Dynamic Network Technologies,
3246 229 487 219 Song Networks
8708 221 274 203 Romania Data Systems S.A.
1257 204 712 173 SWIPnet Swedish IP Network
3269 186 1925 70 TELECOM ITALIA
8551 186 181 25 Bezeq International
3215 178 1470 86 France Telecom Transpac
5515 177 839 124 Sonera Solution Autonomous Sy
786 173 1794 173 The JANET IP Service
8866 171 37 12 Bulgarian Telecommunication C
24863 169 38 9 LINKdotNET AS number
3300 166 171 94 AUCS Communications Services
5400 166 328 135 BT Ignite European Backbone
6830 166 765 35 UPC Distribution Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 575 1067 219 UniNet S.A. de C.V.
22047 383 142 10 VTR PUNTO NET S.A.
11172 312 111 81 Servicios Alestra S.A de C.V
16814 284 18 7 NSS, S.A.
14117 184 11 6 Telefonica del Sur S.A.
7303 159 75 20 Telecom Argentina Stet-France
6147 154 126 22 Telefonica Del Peru
11556 130 64 3 Cable-Wireless Panama
19169 123 8 30 Telconet
10481 121 48 8 Prima S.A.
21826 118 15 20 INTERCABLE
6503 117 148 75 AVANTEL, S.A.
5639 113 12 9 Telecommunications Services o
6505 108 88 80 Global One Communicaoes Ltda
23216 100 20 7 RAMtelecom Telecomunicaciones
18822 99 8 10 TELEFONICA MANQUEHUE
25620 97 6 3 COTAS LTDA
7315 96 6 3 Grupo Rey Moreno
11311 96 8 23 Sinectis S.A.
14522 96 12 8 SatNet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 278 819 234 The Internet Solution
8452 162 60 7 TEDATA
2018 121 298 103 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
6713 105 103 12 Itissalat Al-MAGHRIB
15475 103 84 4 Nile Online
2905 74 155 67 The Internetworking Company o
24835 62 50 7 RAYA Telecom - Egypt
20928 58 16 2 Noor Advanced Technologies AS
5713 39 294 35 Telkom SA Ltd
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 7 21 AS Number for Telecom Algeria
12455 27 6 3 Jambonet Autonomous system
23889 26 8 11 MAURITIUS TELECOM
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 21 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
8346 21 14 18 SONATEL-AS Autonomous System
2561 19 6 2 Egyptian Universities Network
15804 17 2 1 AS of The Way Out Internet So
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1223 988 Time Warner Telecom
18566 912 904 Covad Communications
9583 854 839 Sify Limited
4755 854 783 Videsh Sanchar Nigam Ltd. Aut
4134 987 781 CHINANET-BACKBONE
721 1015 708 DLA Systems Automation Center
19029 771 658 New Edge Networks
11492 625 611 Cable One
22773 636 596 Cox Communications, Inc.
6197 996 536 BellSouth Network Solutions,
19916 563 509 OLM LLC
17488 514 507 Hathway IP Over Cable Interne
855 570 506 Canadian Research Network
19262 657 504 Verizon Global Networks
5668 516 491 CenturyTel Internet Holdings,
9498 531 460 BHARTI BT INTERNET LTD.
7757 468 449 AT&T Broadband
7545 516 447 TPG Internet Pty Ltd
3602 522 416 Sprint Canada, Inc.
812 438 410 Rogers WAVE
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
2000 UNALLOCATED 47.16.0.0/14 8153 Nortel
2000 UNALLOCATED 47.46.0.0/15 8153 Nortel
2000 UNALLOCATED 47.140.0.0/14 8153 Nortel
2000 UNALLOCATED 47.184.0.0/14 8153 Nortel
2000 UNALLOCATED 47.234.0.0/16 8153 Nortel
65211 PRIVATE 61.139.76.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.139.77.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.9.0/27 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.176.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.177.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.178.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.179.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.0.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.1.0/27 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.2.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.3.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.12.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.13.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.14.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.15.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.25.0/25 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.25.128/25 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.30.0/23 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.32.0/21 4134 CHINANET-BACKBONE
2000 UNALLOCATED 132.245.128.0/17 8153 Nortel
65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt
2000 UNALLOCATED 192.32.0.0/16 8153 Nortel
2000 UNALLOCATED 199.242.36.0/22 8153 Nortel
2000 UNALLOCATED 199.242.40.0/22 8153 Nortel
65215 PRIVATE 202.58.66.0/24 17800 PT. JARINGAN INTECH
65211 PRIVATE 202.98.123.0/24 4134 CHINANET-BACKBONE
65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio
65518 PRIVATE 211.144.192.0/19 24421 *
65211 PRIVATE 218.6.168.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.169.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.170.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.171.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.172.0/25 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.172.128/25 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.173.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.174.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.175.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.196.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.197.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.198.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.166.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.167.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.168.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.169.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.170.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.171.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.172.0/24 4134 CHINANET-BACKBONE
65412 PRIVATE 221.123.80.0/20 24405 Beijing CJWX Communi
65211 PRIVATE 221.236.0.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.1.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.2.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.3.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.4.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.5.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.6.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.7.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.8.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.9.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.10.0/27 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.11.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.12.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.13.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.14.0/23 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.17.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.18.0/23 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.20.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.21.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.22.0/25 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.22.128/26 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.22.192/26 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.23.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.24.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.25.0/25 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.25.128/25 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.26.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.27.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.28.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.29.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 222.211.63.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 222.213.0.0/24 4134 CHINANET-BACKBONE
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
192.43.230.0/24 7575 Australian Academic and Rease
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
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
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 /10:8 /11:23 /12:88
/13:199 /14:352 /15:695 /16:8721 /17:3088 /18:5123
/19:11339 /20:12665 /21:10908 /22:14006 /23:15194 /24:99492
/25:367 /26:268 /27:201 /28:58 /29:25 /30:33
/31:0 /32:35
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 895 912 Covad Communications
6197 790 996 BellSouth Network Solutions,
7018 755 1466 AT&T WorldNet Services
19029 699 771 New Edge Networks
9583 674 854 Sify Limited
2386 626 901 AT&T Data Communications Serv
11492 616 625 Cable One
4323 590 1223 Time Warner Telecom
19916 557 563 OLM LLC
4766 507 703 Korea Telecom (KIX)
7011 454 532 Citizens Utilities
7757 450 468 AT&T Broadband
855 444 570 Canadian Research Network
6198 442 581 BellSouth Network Solutions,
5668 401 516 CenturyTel Internet Holdings,
1239 375 849 Sprint
702 368 583 UUNET - Commercial IP service
15270 349 379 PaeTec.net -a division of Pae
6517 342 371 Yipes Communications, Inc.
22773 332 636 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:42 12:1644 13:1 15:12 16:3
17:3 18:4 20:44 24:854 25:1 30:2
32:67 38:202 40:54 44:3 47:3 52:4
55:1 56:3 57:33 58:113 59:165 60:185
61:808 62:763 63:1894 64:3047 65:2211 66:3087
67:598 68:705 69:1488 70:303 71:60 72:625
73:25 74:9 80:746 81:581 82:504 83:374
84:352 85:455 86:333 87:185 88:30 89:37
124:127 125:256 128:151 129:174 130:107 131:314
132:33 133:7 134:146 135:48 136:169 137:64
138:191 139:69 140:481 141:134 142:415 143:145
144:226 145:39 146:308 147:134 148:334 149:184
150:112 151:76 152:61 153:102 154:6 155:185
156:93 157:123 158:159 159:176 160:87 161:70
162:221 163:144 164:173 165:187 166:147 167:238
168:469 169:139 170:323 171:12 172:1 190:30
192:5747 193:3392 194:2509 195:1783 196:766 198:3884
199:3260 200:4188 201:601 202:6461 203:6832 204:3885
205:2103 206:2420 207:2911 208:1997 209:3743 210:1970
211:825 212:1298 213:1481 214:337 215:41 216:4055
217:1166 218:257 219:149 220:651 221:369 222:155
End of report