Routing Table Report 04:00 +10GMT Thu 05 Jan, 2006
Analysis Summary
----------------
BGP routing table entries examined: 177614
Prefixes after maximum aggregation: 99809
Unique aggregates announced to Internet: 86270
Total ASes present in the Internet Routing Table: 21283
Origin-only ASes present in the Internet Routing Table: 18519
Origin ASes announcing only one prefix: 8780
Transit ASes present in the Internet Routing Table: 2764
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 25
Prefixes from unregistered ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1476569024
Equivalent to 88 /8s, 2 /16s and 167 /24s
Percentage of available address space announced: 39.8
Percentage of allocated address space announced: 60.0
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 85493
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 37256
Total APNIC prefixes after maximum aggregation: 15803
Prefixes being announced from the APNIC address blocks: 35048
Unique aggregates announced from the APNIC address blocks: 17150
APNIC Region origin ASes present in the Internet Routing Table: 2456
APNIC Region origin ASes announcing only one prefix: 699
APNIC Region transit ASes present in the Internet Routing Table: 375
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 208906944
Equivalent to 12 /8s, 115 /16s and 170 /24s
Percentage of available APNIC address space announced: 77.5
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, 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: 93511
Total ARIN prefixes after maximum aggregation: 56133
Prefixes being announced from the ARIN address blocks: 72874
Unique aggregates announced from the ARIN address blocks: 27872
ARIN Region origin ASes present in the Internet Routing Table: 10415
ARIN Region origin ASes announcing only one prefix: 3875
ARIN Region transit ASes present in the Internet Routing Table: 956
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 281307136
Equivalent to 16 /8s, 196 /16s and 104 /24s
Percentage of available ARIN address space announced: 69.9
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
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: 34872
Total RIPE prefixes after maximum aggregation: 23624
Prefixes being announced from the RIPE address blocks: 31826
Unique aggregates announced from the RIPE address blocks: 21428
RIPE Region origin ASes present in the Internet Routing Table: 7532
RIPE Region origin ASes announcing only one prefix: 3948
RIPE Region transit ASes present in the Internet Routing Table: 1239
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 228971328
Equivalent to 13 /8s, 165 /16s and 211 /24s
Percentage of available RIPE address space announced: 68.2
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: 10140
Total LACNIC prefixes after maximum aggregation: 3391
Prefixes being announced from the LACNIC address blocks: 8378
Unique aggregates announced from the LACNIC address blocks: 4818
LACNIC Region origin ASes present in the Internet Routing Table: 659
LACNIC Region origin ASes announcing only one prefix: 211
LACNIC Region transit ASes present in the Internet Routing Table: 125
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 23560704
Equivalent to 1 /8s, 103 /16s and 130 /24s
Percentage of available LACNIC address space announced: 35.1
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: 1829
Total AfriNIC prefixes after maximum aggregation: 858
Prefixes being announced from the AfriNIC address blocks: 1212
Unique aggregates announced from the AfriNIC address blocks: 856
AfriNIC Region origin ASes present in the Internet Routing Table: 145
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2972160
Equivalent to 0 /8s, 45 /16s and 90 /24s
Percentage of available AfriNIC address space announced: 8.9
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 996 6453 206 CHINANET-BACKBONE
9583 835 77 14 Sify Limited
4755 764 258 64 Videsh Sanchar Nigam Ltd. Aut
4766 695 3930 295 Korea Telecom (KIX)
1221 667 1364 475 Telstra Pty Ltd
7545 515 108 71 TPG Internet Pty Ltd
17676 476 6869 100 Softbank BB Corp.
17488 436 26 9 Hathway IP Over Cable Interne
9498 408 211 67 BHARTI BT INTERNET LTD.
9443 399 89 85 Primus Telecommunications
4802 353 74 159 Wantree Development
2907 338 1763 315 SINET Japan
9929 332 217 50 China Netcom Corp.
7474 329 227 227 SingTel Optus Pty Ltd
18101 324 69 18 Reliance Infocom Ltd Internet
17557 308 25 162 Pakistan Telecom
17974 290 69 24 PT TELEKOMUNIKASI INDONESIA
4780 282 226 16 Digital United Inc.
9837 270 78 169 Powertel Ltd
9800 256 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1451 6311 952 AT&T WorldNet Services
4323 1200 722 235 Time Warner Telecom
174 1041 5825 958 Cogent Communications
721 1031 21938 309 DLA Systems Automation Center
701 971 8117 815 UUNET Technologies, Inc.
6197 968 434 504 BellSouth Network Solutions,
2386 913 517 685 AT&T Data Communications Serv
18566 887 240 7 Covad Communications
1239 848 2803 602 Sprint
209 663 3606 528 Qwest
20115 656 536 338 Charter Communications
11492 635 89 11 Cable One
22773 600 1478 33 Cox Communications, Inc.
19262 592 1703 145 Verizon Global Networks
852 571 1092 379 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 562 243 65 Canadian Research Network
3602 523 127 106 Sprint Canada, Inc.
3356 520 10617 400 Level 3 Communications, LLC
6478 519 1435 285 AT&T Worldnet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 590 1954 468 UUNET - Commercial IP service
3301 304 1071 290 TeliaNet Sweden
3320 285 3486 240 Deutsche Telekom AG
8220 273 474 267 COLT Telecommunications
680 244 2024 238 DFN-IP service G-WiN
3246 227 486 220 Song Networks
8708 222 274 206 Romania Data Systems S.A.
6746 205 52 177 Dynamic Network Technologies,
1257 189 712 170 SWIPnet Swedish IP Network
3269 184 1893 69 TELECOM ITALIA
5515 180 840 127 Sonera Solution Autonomous Sy
786 173 1794 173 The JANET IP Service
8866 172 37 11 Bulgarian Telecommunication C
5400 166 328 135 BT Ignite European Backbone
24863 166 38 9 LINKdotNET AS number
3215 162 1326 82 France Telecom Transpac
6830 162 669 33 UPC Distribution Services
3300 159 169 90 AUCS Communications Services
12479 157 322 5 Uni2 Autonomous System
25186 150 211 105 France Telecom Transpac's Tra
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 543 792 214 UniNet S.A. de C.V.
22047 380 141 43 VTR PUNTO NET S.A.
16814 293 18 6 NSS, S.A.
11172 290 108 77 Servicios Alestra S.A de C.V
14117 184 11 6 Telefonica del Sur S.A.
13999 175 52 9 Mega Cable S.A. de C.V.
7303 153 73 18 Telecom Argentina Stet-France
6147 150 118 21 Telefonica Del Peru
11556 130 64 3 Cable-Wireless Panama
19169 127 8 25 Telconet
10481 121 48 8 Prima S.A.
6503 114 148 77 AVANTEL, S.A.
21826 113 14 19 INTERCABLE
5639 112 12 9 Telecommunications Services o
6505 107 88 80 Global One Communicaoes Ltda
11311 99 8 10 Sinectis S.A.
18822 99 8 10 TELEFONICA MANQUEHUE
14522 97 12 8 SatNet S.A.
7315 96 6 3 Grupo Rey Moreno
4270 94 17 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 272 812 230 The Internet Solution
8452 123 60 6 TEDATA
5536 122 8 16 Internet Egypt Network
2018 117 298 103 Tertiary Education Network
15475 101 84 4 Nile Online
2905 74 155 67 The Internetworking Company o
6713 71 71 10 Itissalat Al-MAGHRIB
24835 65 34 6 RAYA Telecom - Egypt
20928 61 16 2 Noor Advanced Technologies AS
5713 39 167 35 Telkom SA Ltd
33774 33 4 24 AS Number for Telecom Algeria
15706 31 8 3 Sudatel Internet Exchange Aut
23889 25 7 10 MAURITIUS TELECOM
8524 23 1 4 AUCEGYPT Autonomous System
10798 22 1 13 Standard Bank of South Africa
16637 22 10 20 Johnnic e-Ventures
21280 22 4 4 Swift Global Kenya Ltd.Is an
12455 19 6 5 Jambonet Autonomous system
12258 17 3 11 Vodacom Internet Company
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1200 965 Time Warner Telecom
18566 887 880 Covad Communications
9583 835 821 Sify Limited
4134 996 790 CHINANET-BACKBONE
721 1031 722 DLA Systems Automation Center
4755 764 700 Videsh Sanchar Nigam Ltd. Aut
11492 635 624 Cable One
22773 600 567 Cox Communications, Inc.
19916 563 509 OLM LLC
855 562 497 Canadian Research Network
5668 510 486 CenturyTel Internet Holdings,
6197 968 464 BellSouth Network Solutions,
19262 592 447 Verizon Global Networks
7545 515 444 TPG Internet Pty Ltd
17488 436 427 Hathway IP Over Cable Interne
3602 523 417 Sprint Canada, Inc.
4766 695 400 Korea Telecom (KIX)
17676 476 376 Softbank BB Corp.
6467 402 356 E.Spire Communications, Inc.
812 370 343 Rogers WAVE
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
38976 UNALLOCATED 62.192.224.0/19 21166 Satgate autonomous s
38976 UNALLOCATED 62.192.232.0/24 21166 Satgate autonomous s
38972 UNALLOCATED 80.251.144.0/21 6828 Ekaterinburg Telegra
38972 UNALLOCATED 80.251.151.0/24 6828 Ekaterinburg Telegra
38972 UNALLOCATED 80.251.152.0/23 28947 CJSC InT, Ekaterinbu
29544 UNALLOCATED 82.151.64.0/19 12956 Telefonica Data Auto
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 /9:5 /10:8 /11:20 /12:86
/13:194 /14:346 /15:670 /16:8635 /17:2942 /18:4949
/19:11177 /20:12311 /21:10471 /22:13584 /23:14727 /24:96553
/25:341 /26:251 /27:199 /28:33 /29:12 /30:45
/31:3 /32:34
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 871 887 Covad Communications
6197 784 968 BellSouth Network Solutions,
7018 719 1451 AT&T WorldNet Services
9583 656 835 Sify Limited
2386 636 913 AT&T Data Communications Serv
11492 626 635 Cable One
4323 575 1200 Time Warner Telecom
19916 557 563 OLM LLC
4766 499 695 Korea Telecom (KIX)
855 434 562 Canadian Research Network
7011 401 467 Citizens Utilities
5668 399 510 CenturyTel Internet Holdings,
702 373 590 UUNET - Commercial IP service
1239 366 848 Sprint
6198 355 498 BellSouth Network Solutions,
6517 330 356 Yipes Communications, Inc.
15270 329 356 PaeTec.net -a division of Pae
22773 310 600 Cox Communications, Inc.
13609 285 328 Choice One Communications Inc
701 281 971 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:42 12:1626 13:1 15:11 16:3
17:3 18:3 20:42 24:711 25:1 30:2
32:68 38:188 40:54 44:3 47:3 52:4
55:1 56:3 57:33 58:109 59:128 60:175
61:766 62:780 63:1894 64:2930 65:2145 66:2967
67:594 68:696 69:1327 70:263 71:41 72:534
73:11 80:692 81:571 82:507 83:346 84:338
85:419 86:247 87:124 125:147 128:151 129:169
130:100 131:305 132:33 133:1 134:150 135:45
136:162 137:63 138:178 139:92 140:445 141:136
142:403 143:146 144:226 145:39 146:310 147:135
148:347 149:189 150:108 151:71 152:115 153:98
154:6 155:183 156:90 157:119 158:152 159:176
160:87 161:67 162:247 163:172 164:167 165:171
166:148 167:237 168:471 169:142 170:312 171:12
192:5751 193:3345 194:2460 195:1700 196:738 198:3898
199:3271 200:4234 201:544 202:6371 203:6691 204:3812
205:2096 206:2402 207:2927 208:2009 209:3454 210:1856
211:803 212:1243 213:1409 214:316 215:40 216:3830
217:1152 218:234 219:130 220:639 221:329 222:137
End of report