Routing Table Report 04:00 +10GMT Fri 30 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 190985
Prefixes after maximum aggregation: 105339
Unique aggregates announced to Internet: 93633
Total ASes present in the Internet Routing Table: 22562
Origin-only ASes present in the Internet Routing Table: 19630
Origin ASes announcing only one prefix: 9415
Transit ASes present in the Internet Routing Table: 2932
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 24
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1538072040
Equivalent to 91 /8s, 173 /16s and 29 /24s
Percentage of available address space announced: 41.5
Percentage of allocated address space announced: 60.0
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 94395
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41056
Total APNIC prefixes after maximum aggregation: 16956
Prefixes being announced from the APNIC address blocks: 38760
Unique aggregates announced from the APNIC address blocks: 18472
APNIC Region origin ASes present in the Internet Routing Table: 2622
APNIC Region origin ASes announcing only one prefix: 744
APNIC Region transit ASes present in the Internet Routing Table: 398
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 234749792
Equivalent to 13 /8s, 253 /16s and 255 /24s
Percentage of available APNIC address space announced: 73.4
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: 97665
Total ARIN prefixes after maximum aggregation: 58085
Prefixes being announced from the ARIN address blocks: 71571
Unique aggregates announced from the ARIN address blocks: 27000
ARIN Region origin ASes present in the Internet Routing Table: 10804
ARIN Region origin ASes announcing only one prefix: 4082
ARIN Region transit ASes present in the Internet Routing Table: 991
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 294893312
Equivalent to 17 /8s, 147 /16s and 183 /24s
Percentage of available ARIN address space announced: 76.4
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, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 38318
Total RIPE prefixes after maximum aggregation: 25671
Prefixes being announced from the RIPE address blocks: 35365
Unique aggregates announced from the RIPE address blocks: 23872
RIPE Region origin ASes present in the Internet Routing Table: 8209
RIPE Region origin ASes announcing only one prefix: 4310
RIPE Region transit ASes present in the Internet Routing Table: 1352
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 254928516
Equivalent to 15 /8s, 49 /16s and 230 /24s
Percentage of available RIPE address space announced: 80.0
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
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11667
Total LACNIC prefixes after maximum aggregation: 3728
Prefixes being announced from the LACNIC address blocks: 9778
Unique aggregates announced from the LACNIC address blocks: 5584
LACNIC Region origin ASes present in the Internet Routing Table: 704
LACNIC Region origin ASes announcing only one prefix: 235
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 28061184
Equivalent to 1 /8s, 172 /16s and 46 /24s
Percentage of available LACNIC address space announced: 41.8
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: 2277
Total AfriNIC prefixes after maximum aggregation: 899
Prefixes being announced from the AfriNIC address blocks: 1538
Unique aggregates announced from the AfriNIC address blocks: 950
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4145408
Equivalent to 0 /8s, 63 /16s and 65 /24s
Percentage of available AfriNIC address space announced: 12.4
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
4134 1243 7294 224 CHINANET-BACKBONE
4755 940 258 75 Videsh Sanchar Nigam Ltd. Aut
9583 917 109 15 Sify Limited
4766 689 4435 303 Korea Telecom (KIX)
9498 680 211 68 BHARTI BT INTERNET LTD.
1221 612 1667 472 Telstra Pty Ltd
7545 546 124 70 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 421 85 24 Reliance Infocom Ltd Internet
17557 389 30 170 Pakistan Telecom
17974 384 129 14 PT TELEKOMUNIKASI INDONESIA
4802 382 81 169 Wantree Development
2907 335 1733 311 SINET Japan
9929 330 255 61 China Netcom Corp.
7474 297 211 227 SingTel Optus Pty Ltd
10139 281 19 5 Meridian Telekoms
4837 279 3085 123 chinanet IDC center beijing n
9800 276 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1486 6264 949 AT&T WorldNet Services
4323 1321 744 263 Time Warner Telecom
721 1017 21998 314 DLA Systems Automation Center
6197 1015 636 477 BellSouth Network Solutions,
174 960 5771 895 Cogent Communications
18566 945 272 8 Covad Communications
701 943 6754 779 UUNET Technologies, Inc.
2386 914 560 710 AT&T Data Communications Serv
1239 842 2788 598 Sprint
19262 718 2152 187 Verizon Global Networks
20115 713 619 381 Charter Communications
209 695 3683 551 Qwest
22773 670 1741 40 Cox Communications, Inc.
7011 646 217 410 Citizens Utilities
11492 642 89 10 Cable One
6198 602 568 236 BellSouth Network Solutions,
852 582 1084 382 Telus Advanced Communications
855 572 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 529 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 566 1948 445 UUNET - Commercial IP service
3301 312 1327 297 TeliaNet Sweden
3352 305 1643 30 Ibernet, Internet Access Netw
3320 284 3988 238 Deutsche Telekom AG
8220 275 470 264 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 239 90 214 Dynamic Network Technologies,
3246 230 463 220 Song Networks
8708 217 276 203 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
8551 209 198 29 Bezeq International
3269 202 2184 73 TELECOM ITALIA
3215 201 1720 96 France Telecom Transpac
30890 199 18 76 SC Kappa Invexim SRL
1257 194 741 166 SWIPnet Swedish IP Network
8866 187 37 15 Bulgarian Telecommunication C
6830 175 813 37 UPC Distribution Services
3300 169 171 98 AUCS Communications Services
786 166 1778 166 The JANET IP Service
12479 161 322 5 Uni2 Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 723 1114 225 UniNet S.A. de C.V.
22047 419 174 11 VTR PUNTO NET S.A.
11172 354 111 84 Servicios Alestra S.A de C.V
16814 328 20 7 NSS, S.A.
6147 267 134 22 Telefonica Del Peru
14117 207 13 7 Telefonica del Sur S.A.
10481 181 72 8 Prima S.A.
7303 177 82 25 Telecom Argentina Stet-France
6503 175 151 84 AVANTEL, S.A.
21826 133 17 23 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19429 129 68 42 E.T.B.
19169 128 8 24 Telconet
14259 119 10 15 GTD Internet S.A.
14522 117 18 9 SatNet S.A.
23216 115 21 9 RAMtelecom Telecomunicaciones
6505 109 88 79 Global One Communicaoes Ltda
7738 106 410 20 Telecomunicacoes da Bahia S.A
7910 105 7 10 ANDINET ON LINE
5639 103 12 9 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 287 803 234 The Internet Solution
8452 168 60 7 TEDATA
6713 154 135 11 Itissalat Al-MAGHRIB
2018 131 314 105 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
15475 113 84 4 Nile Online
33783 105 6 2 EEPAD TISP TELECOM & INTERNET
2905 69 139 60 The Internetworking Company o
20928 60 16 3 Noor Advanced Technologies AS
15706 44 8 3 Sudatel Internet Exchange Aut
5713 39 294 35 Telkom SA Ltd
33774 31 7 21 AS Number for Telecom Algeria
16637 24 14 22 Johnnic e-Ventures
12455 23 6 3 Jambonet Autonomous system
23889 23 8 11 MAURITIUS TELECOM
8524 22 1 5 AUCEGYPT Autonomous System
10798 22 1 13 Standard Bank of South Africa
33766 21 2 1 Nyala Communications Pty Ltd
21491 20 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1321 1058 Time Warner Telecom
4134 1243 1019 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 917 902 Sify Limited
4755 940 865 Videsh Sanchar Nigam Ltd. Aut
721 1017 703 DLA Systems Automation Center
11492 642 632 Cable One
22773 670 630 Cox Communications, Inc.
9498 680 612 BHARTI BT INTERNET LTD.
6197 1015 538 BellSouth Network Solutions,
19262 718 531 Verizon Global Networks
19916 563 509 OLM LLC
5668 529 506 CenturyTel Internet Holdings,
17488 519 502 Hathway IP Over Cable Interne
8151 723 498 UniNet S.A. de C.V.
855 572 498 Canadian Research Network
7545 546 476 TPG Internet Pty Ltd
3602 525 421 Sprint Canada, Inc.
22047 419 408 VTR PUNTO NET S.A.
15270 440 407 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
192.84.205.0/24 719 LANLINK autonomous system
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 /8:17 /9:9 /10:10 /11:28 /12:93
/13:201 /14:364 /15:714 /16:8861 /17:3284 /18:5407
/19:11792 /20:13397 /21:11683 /22:14838 /23:15907 /24:103290
/25:389 /26:297 /27:180 /28:65 /29:63 /30:56
/31:0 /32:40
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 928 945 Covad Communications
6197 795 1015 BellSouth Network Solutions,
7018 792 1486 AT&T WorldNet Services
9583 747 917 Sify Limited
4323 643 1321 Time Warner Telecom
2386 631 914 AT&T Data Communications Serv
11492 630 642 Cable One
19916 557 563 OLM LLC
7011 555 646 Citizens Utilities
4766 500 689 Korea Telecom (KIX)
855 446 572 Canadian Research Network
6198 444 602 BellSouth Network Solutions,
5668 412 529 CenturyTel Internet Holdings,
15270 409 440 PaeTec.net -a division of Pae
1239 387 842 Sprint
9498 382 680 BHARTI BT INTERNET LTD.
4755 372 940 Videsh Sanchar Nigam Ltd. Aut
6517 364 395 Yipes Communications, Inc.
8151 357 723 UniNet S.A. de C.V.
22773 352 670 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:42 12:1608 13:1 15:16 16:3
17:3 18:4 20:41 24:767 25:1 32:58
38:230 40:54 41:3 44:3 47:6 52:4
55:1 56:3 57:26 58:187 59:247 60:181
61:848 62:807 63:1888 64:3183 65:2248 66:3139
67:617 68:676 69:1522 70:387 71:87 72:797
74:50 75:1 80:767 81:648 82:625 83:390
84:376 85:558 86:349 87:377 88:108 89:310
121:2 122:2 123:1 124:176 125:525 128:143
129:189 130:119 131:313 132:34 133:8 134:160
135:48 136:171 137:83 138:206 139:55 140:482
141:134 142:384 143:168 144:224 145:39 146:320
147:137 148:338 149:191 150:114 151:94 152:69
153:106 154:5 155:206 156:183 157:145 158:157
159:171 160:91 161:77 162:245 163:159 164:184
165:211 166:172 167:243 168:492 169:128 170:351
171:14 183:1 190:80 192:5731 193:3359 194:2645
195:1942 196:870 198:3962 199:3235 200:4482 201:1002
202:6715 203:7033 204:3899 205:2048 206:2425 207:2919
208:2160 209:3394 210:2028 211:710 212:1253 213:1485
214:357 215:41 216:4010 217:1169 218:294 219:234
220:731 221:363 222:188
End of report
