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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 12 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205218
Prefixes after maximum aggregation: 107509
Unique aggregates announced to Internet: 93835
Total ASes present in the Internet Routing Table: 22692
Origin-only ASes present in the Internet Routing Table: 19745
Origin ASes announcing only one prefix: 9434
Transit ASes present in the Internet Routing Table: 2947
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 3.1
Max AS path length visible: 26
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 19
Unregistered ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1549624245
Equivalent to 92 /8s, 93 /16s and 99 /24s
Percentage of available address space announced: 41.8
Percentage of allocated address space announced: 60.5
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 105221
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42618
Total APNIC prefixes after maximum aggregation: 17172
Prefixes being announced from the APNIC address blocks: 40220
Unique aggregates announced from the APNIC address blocks: 18385
APNIC Region origin ASes present in the Internet Routing Table: 2630
APNIC Region origin ASes announcing only one prefix: 737
APNIC Region transit ASes present in the Internet Routing Table: 404
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 236924068
Equivalent to 14 /8s, 31 /16s and 44 /24s
Percentage of available APNIC address space announced: 74.1
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: 108535
Total ARIN prefixes after maximum aggregation: 59652
Prefixes being announced from the ARIN address blocks: 80744
Unique aggregates announced from the ARIN address blocks: 26898
ARIN Region origin ASes present in the Internet Routing Table: 10856
ARIN Region origin ASes announcing only one prefix: 4089
ARIN Region transit ASes present in the Internet Routing Table: 1001
Average ARIN Region AS path length visible: 2.7
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 295501857
Equivalent to 17 /8s, 157 /16s and 0 /24s
Percentage of available ARIN address space announced: 76.6
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: 39777
Total RIPE prefixes after maximum aggregation: 26017
Prefixes being announced from the RIPE address blocks: 37177
Unique aggregates announced from the RIPE address blocks: 23993
RIPE Region origin ASes present in the Internet Routing Table: 8275
RIPE Region origin ASes announcing only one prefix: 4325
RIPE Region transit ASes present in the Internet Routing Table: 1352
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 260135808
Equivalent to 15 /8s, 129 /16s and 91 /24s
Percentage of available RIPE address space announced: 81.6
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: 11942
Total LACNIC prefixes after maximum aggregation: 3752
Prefixes being announced from the LACNIC address blocks: 10010
Unique aggregates announced from the LACNIC address blocks: 5661
LACNIC Region origin ASes present in the Internet Routing Table: 704
LACNIC Region origin ASes announcing only one prefix: 240
LACNIC Region transit ASes present in the Internet Routing Table: 125
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 31033088
Equivalent to 1 /8s, 217 /16s and 135 /24s
Percentage of available LACNIC address space announced: 46.2
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: 2328
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1560
Unique aggregates announced from the AfriNIC address blocks: 951
AfriNIC Region origin ASes present in the Internet Routing Table: 157
AfriNIC Region origin ASes announcing only one prefix: 43
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.0
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 4177664
Equivalent to 0 /8s, 63 /16s and 191 /24s
Percentage of available AfriNIC address space announced: 12.5
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 1247 7479 231 CHINANET-BACKBONE
4755 926 256 67 Videsh Sanchar Nigam Ltd. Aut
9583 912 109 15 Sify Limited
9498 736 211 69 BHARTI BT INTERNET LTD.
4766 715 4435 309 Korea Telecom (KIX)
1221 648 1668 480 Telstra Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 507 2717 31 China Education and Research
7545 505 124 75 TPG Internet Pty Ltd
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 424 85 23 Reliance Infocom Ltd Internet
17974 403 129 14 PT TELEKOMUNIKASI INDONESIA
17849 398 28 124 Telecommunications Technology
17557 383 30 173 Pakistan Telecom
4802 379 81 168 Wantree Development
9929 377 254 65 China Netcom Corp.
7474 360 211 230 SingTel Optus Pty Ltd
2907 341 1734 314 SINET Japan
4804 309 295 57 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 652 1948 444 UUNET - Commercial IP service
3215 404 1760 97 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3352 304 1639 33 Ibernet, Internet Access Netw
8220 282 471 265 COLT Telecommunications
3320 280 5012 236 Deutsche Telekom AG
680 246 2041 243 DFN-IP service G-WiN
6746 234 89 209 Dynamic Network Technologies,
3246 231 463 221 Song Networks
5089 230 1657 44 NTL Group Limited
1257 223 741 167 SWIPnet Swedish IP Network
8708 216 276 205 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
8551 209 198 29 Bezeq International
30890 204 18 78 SC Kappa Invexim SRL
3269 201 2182 72 TELECOM ITALIA
8866 186 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
3300 171 171 98 AUCS Communications Services
786 170 1778 170 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5037 6770 781 UUNET Technologies, Inc.
4323 3175 746 275 Time Warner Telecom
705 1527 561 671 UUNET Technologies, Inc.
7018 1481 6254 951 AT&T WorldNet Services
721 1030 21998 315 DLA Systems Automation Center
6197 1016 636 478 BellSouth Network Solutions,
174 958 5737 887 Cogent Communications
18566 945 272 8 Covad Communications
2386 919 558 709 AT&T Data Communications Serv
1239 845 2769 597 Sprint
7046 836 253 692 UUNET Technologies, Inc.
19262 722 2188 190 Verizon Global Networks
20115 715 620 383 Charter Communications
209 693 3663 546 Qwest
22773 669 1741 37 Cox Communications, Inc.
11492 657 89 11 Cable One
7011 648 218 411 Citizens Utilities
6461 612 228 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 3175 2900 Time Warner Telecom
4134 1247 1016 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 912 897 Sify Limited
4755 926 859 Videsh Sanchar Nigam Ltd. Aut
705 1527 856 UUNET Technologies, Inc.
721 1030 715 DLA Systems Automation Center
9498 736 667 BHARTI BT INTERNET LTD.
11492 657 646 Cable One
22773 669 632 Cox Communications, Inc.
6197 1016 538 BellSouth Network Solutions,
19262 722 532 Verizon Global Networks
7018 1481 530 AT&T WorldNet Services
6461 612 528 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 532 509 CenturyTel Internet Holdings,
17488 519 502 Hathway IP Over Cable Interne
8151 726 501 UniNet S.A. de C.V.
855 569 499 Canadian Research Network
4538 507 476 China Education and Research
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
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
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,
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
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
198.18.1.0/24 3301 TeliaNet Sweden
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 /10:11 /11:28 /12:93
/13:209 /14:369 /15:727 /16:8922 /17:3372 /18:5553
/19:12135 /20:13783 /21:12233 /22:15582 /23:16901 /24:113098
/25:465 /26:366 /27:283 /28:212 /29:223 /30:512
/31:0 /32:114
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3779 5037 UUNET Technologies, Inc.
4323 1886 3175 Time Warner Telecom
705 971 1527 UUNET Technologies, Inc.
18566 928 945 Covad Communications
6197 796 1016 BellSouth Network Solutions,
7018 778 1481 AT&T WorldNet Services
9583 742 912 Sify Limited
11492 645 657 Cable One
2386 639 919 AT&T Data Communications Serv
7046 593 836 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 556 648 Citizens Utilities
6461 540 612 AboveNet Communications, Inc.
4766 526 715 Korea Telecom (KIX)
2686 511 554 IBM
855 447 569 Canadian Research Network
6198 442 600 BellSouth Network Solutions,
702 438 652 UUNET - Commercial IP service
9498 425 736 BHARTI BT INTERNET LTD.
5668 415 532 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:43 11:1 12:1631 13:1
15:15 16:3 17:3 18:4 20:41 24:779
25:1 30:2 32:264 38:234 40:54 41:3
44:3 47:6 52:4 55:1 56:3 57:48
58:198 59:274 60:186 61:873 62:936 63:3422
64:3573 65:3662 66:3750 67:640 68:675 69:1544
70:391 71:85 72:806 74:55 75:1 80:803
81:675 82:698 83:395 84:393 85:577 86:407
87:405 88:115 89:321 121:1 122:2 123:1
124:277 125:545 128:159 129:184 130:120 131:316
132:35 133:9 134:159 135:48 136:173 137:83
138:206 139:142 140:481 141:135 142:405 143:169
144:228 145:40 146:310 147:142 148:345 149:194
150:114 151:94 152:72 153:106 154:6 155:207
156:186 157:146 158:167 159:173 160:91 161:80
162:246 163:160 164:286 165:229 166:173 167:244
168:600 169:125 170:353 171:14 183:1 190:86
192:5816 193:3363 194:2761 195:2125 196:882 198:4095
199:3356 200:4609 201:990 202:6905 203:7087 204:4075
205:2150 206:2791 207:3565 208:2997 209:3803 210:2131
211:754 212:1369 213:1571 214:361 215:41 216:4358
217:1390 218:314 219:275 220:733 221:351 222:198
End of report
