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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 01 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 204326
Prefixes after maximum aggregation: 107167
Unique aggregates announced to Internet: 93694
Total ASes present in the Internet Routing Table: 22615
Origin-only ASes present in the Internet Routing Table: 19591
Origin ASes announcing only one prefix: 9405
Transit ASes present in the Internet Routing Table: 3024
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 36
Max AS path prepend of ASN (33776) 21
Prefixes from unregistered ASNs in the Routing Table: 24
Unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1539020853
Equivalent to 91 /8s, 187 /16s and 152 /24s
Percentage of available address space announced: 41.5
Percentage of allocated address space announced: 60.1
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 104598
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42328
Total APNIC prefixes after maximum aggregation: 17043
Prefixes being announced from the APNIC address blocks: 39941
Unique aggregates announced from the APNIC address blocks: 18395
APNIC Region origin ASes present in the Internet Routing Table: 2619
APNIC Region origin ASes announcing only one prefix: 742
APNIC Region transit ASes present in the Internet Routing Table: 409
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 234932900
Equivalent to 14 /8s, 0 /16s and 202 /24s
Percentage of available APNIC address space announced: 73.5
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, 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: 108202
Total ARIN prefixes after maximum aggregation: 59551
Prefixes being announced from the ARIN address blocks: 80571
Unique aggregates announced from the ARIN address blocks: 27013
ARIN Region origin ASes present in the Internet Routing Table: 10816
ARIN Region origin ASes announcing only one prefix: 4074
ARIN Region transit ASes present in the Internet Routing Table: 1033
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 295050529
Equivalent to 17 /8s, 150 /16s and 29 /24s
Percentage of available ARIN address space announced: 76.5
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: 39721
Total RIPE prefixes after maximum aggregation: 25924
Prefixes being announced from the RIPE address blocks: 37092
Unique aggregates announced from the RIPE address blocks: 23921
RIPE Region origin ASes present in the Internet Routing Table: 8245
RIPE Region origin ASes announcing only one prefix: 4311
RIPE Region transit ASes present in the Internet Routing Table: 1376
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 255239424
Equivalent to 15 /8s, 54 /16s and 165 /24s
Percentage of available RIPE address space announced: 80.1
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: 11695
Total LACNIC prefixes after maximum aggregation: 3728
Prefixes being announced from the LACNIC address blocks: 9814
Unique aggregates announced from the LACNIC address blocks: 5591
LACNIC Region origin ASes present in the Internet Routing Table: 704
LACNIC Region origin ASes announcing only one prefix: 234
LACNIC Region transit ASes present in the Internet Routing Table: 137
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 28067328
Equivalent to 1 /8s, 172 /16s and 70 /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: 2357
Total AfriNIC prefixes after maximum aggregation: 921
Prefixes being announced from the AfriNIC address blocks: 1574
Unique aggregates announced from the AfriNIC address blocks: 948
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC addresses announced to Internet: 4154368
Equivalent to 0 /8s, 63 /16s and 100 /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 1246 7278 224 CHINANET-BACKBONE
4755 925 256 69 Videsh Sanchar Nigam Ltd. Aut
9583 918 109 15 Sify Limited
4766 713 4435 309 Korea Telecom (KIX)
9498 684 211 68 BHARTI BT INTERNET LTD.
1221 648 1668 479 Telstra Pty Ltd
7545 547 124 71 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 495 2717 31 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 421 85 24 Reliance Infocom Ltd Internet
4802 384 81 171 Wantree Development
17557 384 30 174 Pakistan Telecom
17974 383 129 14 PT TELEKOMUNIKASI INDONESIA
9929 377 254 65 China Netcom Corp.
7474 361 211 228 SingTel Optus Pty Ltd
2907 338 1733 312 SINET Japan
4804 306 295 59 Microplex PTY LTD
10139 283 19 5 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 669 1932 444 UUNET - Commercial IP service
3215 406 1728 96 France Telecom Transpac
3301 312 1327 297 TeliaNet Sweden
3352 305 1643 30 Ibernet, Internet Access Netw
8220 283 471 268 COLT Telecommunications
3320 280 3988 235 Deutsche Telekom AG
680 246 2041 243 DFN-IP service G-WiN
6746 239 90 214 Dynamic Network Technologies,
5089 236 1659 45 NTL Group Limited
3246 230 447 220 Song Networks
1257 223 741 167 SWIPnet Swedish IP Network
8708 215 276 204 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
8551 209 198 29 Bezeq International
3269 202 2184 73 TELECOM ITALIA
30890 199 18 76 SC Kappa Invexim SRL
8866 187 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
786 170 1778 170 The JANET IP Service
3300 170 171 97 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5024 6752 772 UUNET Technologies, Inc.
4323 3172 748 269 Time Warner Telecom
705 1552 574 682 UUNET Technologies, Inc.
7018 1481 6254 944 AT&T WorldNet Services
721 1017 21998 314 DLA Systems Automation Center
6197 1016 636 483 BellSouth Network Solutions,
174 964 5771 894 Cogent Communications
18566 945 272 8 Covad Communications
2386 917 560 714 AT&T Data Communications Serv
1239 844 2767 600 Sprint
7046 843 253 699 UUNET Technologies, Inc.
19262 719 2168 188 Verizon Global Networks
20115 711 619 385 Charter Communications
209 694 3681 547 Qwest
22773 670 1741 40 Cox Communications, Inc.
7011 648 218 412 Citizens Utilities
11492 642 89 10 Cable One
6461 609 227 84 AboveNet Communications, Inc.
6198 600 568 237 BellSouth Network Solutions,
852 597 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3172 2903 Time Warner Telecom
4134 1246 1022 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 918 903 Sify Limited
705 1552 870 UUNET Technologies, Inc.
4755 925 856 Videsh Sanchar Nigam Ltd. Aut
721 1017 703 DLA Systems Automation Center
11492 642 632 Cable One
22773 670 630 Cox Communications, Inc.
9498 684 616 BHARTI BT INTERNET LTD.
7018 1481 537 AT&T WorldNet Services
6197 1016 533 BellSouth Network Solutions,
19262 719 531 Verizon Global Networks
6461 609 525 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 529 506 CenturyTel Internet Holdings,
17488 519 502 Hathway IP Over Cable Interne
855 573 499 Canadian Research Network
8151 716 493 UniNet S.A. de C.V.
7545 547 476 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
65500 PRIVATE 80.68.8.0/24 20806 JSCITT Autonomous Sy
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65007 PRIVATE 84.204.244.0/24 20632 PETERSTAR Autonomous
65007 PRIVATE 84.204.245.0/24 20632 PETERSTAR Autonomous
65007 PRIVATE 84.204.246.0/24 20632 PETERSTAR Autonomous
65007 PRIVATE 84.204.247.0/24 20632 PETERSTAR Autonomous
65007 PRIVATE 84.204.248.0/24 20632 PETERSTAR Autonomous
65007 PRIVATE 84.204.249.0/24 20632 PETERSTAR Autonomous
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
65535 PRIVATE 202.136.215.0/24 24141 Shanghai DMT Informa
65535 PRIVATE 202.136.217.0/24 24141 Shanghai DMT Informa
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio
64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
0.0.0.0/8 3303 Swisscom Ltd
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.31.31.0/30 6325 Illinois Century Network
192.168.83.0/24 292 Energy Sciences Network
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
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 /8:18 /9:9 /10:10 /11:28 /12:93
/13:207 /14:364 /15:719 /16:8887 /17:3346 /18:5539
/19:12070 /20:13748 /21:12304 /22:15564 /23:16774 /24:112548
/25:466 /26:354 /27:280 /28:214 /29:211 /30:474
/31:0 /32:99
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3777 5024 UUNET Technologies, Inc.
4323 1879 3172 Time Warner Telecom
705 990 1552 UUNET Technologies, Inc.
18566 928 945 Covad Communications
6197 796 1016 BellSouth Network Solutions,
7018 788 1481 AT&T WorldNet Services
9583 748 918 Sify Limited
2386 635 917 AT&T Data Communications Serv
11492 630 642 Cable One
7046 598 843 UUNET Technologies, Inc.
7011 557 648 Citizens Utilities
19916 557 563 OLM LLC
6461 536 609 AboveNet Communications, Inc.
4766 524 713 Korea Telecom (KIX)
702 455 669 UUNET - Commercial IP service
2686 449 494 IBM
855 447 573 Canadian Research Network
6198 442 600 BellSouth Network Solutions,
5668 412 529 CenturyTel Internet Holdings,
15270 409 440 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:42 12:1627 13:1 15:16
16:3 17:3 18:4 20:41 24:774 25:1
30:2 32:233 38:230 40:54 41:2 43:16
44:3 47:6 52:4 55:1 56:3 57:46
58:191 59:266 60:186 61:863 62:939 63:3423
64:3549 65:3668 66:3732 67:640 68:677 69:1547
70:389 71:85 72:799 74:50 75:1 80:790
81:658 82:682 83:387 84:388 85:570 86:392
87:376 88:110 89:308 121:2 122:2 123:1
124:181 125:529 128:153 129:189 130:120 131:312
132:35 133:9 134:160 135:48 136:167 137:84
138:205 139:138 140:490 141:134 142:407 143:168
144:224 145:39 146:320 147:140 148:343 149:194
150:113 151:94 152:72 153:106 154:6 155:206
156:184 157:147 158:167 159:172 160:91 161:80
162:245 163:158 164:228 165:216 166:172 167:243
168:610 169:128 170:352 171:14 183:1 190:81
192:5826 193:3368 194:2749 195:2092 196:898 198:4086
199:3295 200:4506 201:1001 202:6876 203:7076 204:4081
205:2164 206:2802 207:3564 208:2982 209:3797 210:2140
211:752 212:1393 213:1594 214:357 215:41 216:4362
217:1389 218:307 219:283 220:734 221:367 222:198
End of report
