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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 11 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205223
Prefixes after maximum aggregation: 107496
Unique aggregates announced to Internet: 93966
Total ASes present in the Internet Routing Table: 22698
Origin-only ASes present in the Internet Routing Table: 19700
Origin ASes announcing only one prefix: 9446
Transit ASes present in the Internet Routing Table: 2998
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 25
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: 1544626357
Equivalent to 92 /8s, 17 /16s and 32 /24s
Percentage of available address space announced: 41.7
Percentage of allocated address space announced: 60.3
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 105232
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42580
Total APNIC prefixes after maximum aggregation: 17157
Prefixes being announced from the APNIC address blocks: 40187
Unique aggregates announced from the APNIC address blocks: 18355
APNIC Region origin ASes present in the Internet Routing Table: 2630
APNIC Region origin ASes announcing only one prefix: 738
APNIC Region transit ASes present in the Internet Routing Table: 402
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 236372900
Equivalent to 14 /8s, 22 /16s and 195 /24s
Percentage of available APNIC address space announced: 73.9
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: 108498
Total ARIN prefixes after maximum aggregation: 59650
Prefixes being announced from the ARIN address blocks: 80703
Unique aggregates announced from the ARIN address blocks: 27078
ARIN Region origin ASes present in the Internet Routing Table: 10844
ARIN Region origin ASes announcing only one prefix: 4087
ARIN Region transit ASes present in the Internet Routing Table: 1027
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 295505697
Equivalent to 17 /8s, 157 /16s and 15 /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: 39801
Total RIPE prefixes after maximum aggregation: 26011
Prefixes being announced from the RIPE address blocks: 37215
Unique aggregates announced from the RIPE address blocks: 23978
RIPE Region origin ASes present in the Internet Routing Table: 8281
RIPE Region origin ASes announcing only one prefix: 4339
RIPE Region transit ASes present in the Internet Routing Table: 1377
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 256043648
Equivalent to 15 /8s, 66 /16s and 234 /24s
Percentage of available RIPE address space announced: 80.3
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: 11978
Total LACNIC prefixes after maximum aggregation: 3757
Prefixes being announced from the LACNIC address blocks: 10025
Unique aggregates announced from the LACNIC address blocks: 5655
LACNIC Region origin ASes present in the Internet Routing Table: 707
LACNIC Region origin ASes announcing only one prefix: 237
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 30470912
Equivalent to 1 /8s, 208 /16s and 243 /24s
Percentage of available LACNIC address space announced: 45.4
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: 2342
Total AfriNIC prefixes after maximum aggregation: 921
Prefixes being announced from the AfriNIC address blocks: 1559
Unique aggregates announced from the AfriNIC address blocks: 955
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 4185856
Equivalent to 0 /8s, 63 /16s and 223 /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 1245 7463 230 CHINANET-BACKBONE
4755 926 256 67 Videsh Sanchar Nigam Ltd. Aut
9583 912 109 15 Sify Limited
9498 723 211 70 BHARTI BT INTERNET LTD.
4766 715 4435 309 Korea Telecom (KIX)
1221 645 1668 478 Telstra Pty Ltd
7545 550 124 73 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 503 2717 31 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 424 85 24 Reliance Infocom Ltd Internet
17974 406 129 14 PT TELEKOMUNIKASI INDONESIA
17849 398 28 124 Telecommunications Technology
17557 382 30 172 Pakistan Telecom
4802 379 81 168 Wantree Development
9929 376 254 69 China Netcom Corp.
7474 359 211 229 SingTel Optus Pty Ltd
2907 340 1733 313 SINET Japan
4804 310 295 58 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
3320 282 3988 237 Deutsche Telekom AG
8220 279 470 263 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
5089 236 1659 45 NTL Group Limited
6746 235 89 210 Dynamic Network Technologies,
3246 231 463 221 Song Networks
1257 222 741 166 SWIPnet Swedish IP Network
8708 216 276 205 Romania Data Systems S.A.
24863 216 42 11 LINKdotNET AS number
8551 209 198 29 Bezeq International
30890 205 18 79 SC Kappa Invexim SRL
3269 201 2182 72 TELECOM ITALIA
8866 187 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
786 170 1778 170 The JANET IP Service
3300 169 171 96 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5044 6754 781 UUNET Technologies, Inc.
4323 3176 748 270 Time Warner Telecom
705 1539 573 681 UUNET Technologies, Inc.
7018 1462 6221 941 AT&T WorldNet Services
721 1029 21998 315 DLA Systems Automation Center
6197 1017 636 478 BellSouth Network Solutions,
174 964 5755 893 Cogent Communications
18566 945 272 8 Covad Communications
2386 918 558 710 AT&T Data Communications Serv
7046 841 253 697 UUNET Technologies, Inc.
1239 837 2761 593 Sprint
19262 722 2188 190 Verizon Global Networks
20115 715 620 383 Charter Communications
209 692 3679 545 Qwest
22773 674 1741 40 Cox Communications, Inc.
7011 651 218 413 Citizens Utilities
11492 650 89 10 Cable One
6461 614 228 87 AboveNet Communications, Inc.
6198 600 568 237 BellSouth Network Solutions,
852 596 1084 381 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3176 2906 Time Warner Telecom
4134 1245 1015 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 912 897 Sify Limited
4755 926 859 Videsh Sanchar Nigam Ltd. Aut
705 1539 858 UUNET Technologies, Inc.
721 1029 714 DLA Systems Automation Center
9498 723 653 BHARTI BT INTERNET LTD.
11492 650 640 Cable One
22773 674 634 Cox Communications, Inc.
6197 1017 539 BellSouth Network Solutions,
19262 722 532 Verizon Global Networks
6461 614 527 AboveNet Communications, Inc.
7018 1462 521 AT&T WorldNet Services
19916 563 509 OLM LLC
5668 532 509 CenturyTel Internet Holdings,
17488 519 502 Hathway IP Over Cable Interne
855 573 499 Canadian Research Network
8151 722 496 UniNet S.A. de C.V.
7545 550 477 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
64871 PRIVATE 64.195.128.0/24 7911 Williams Communicati
64871 PRIVATE 64.195.139.0/24 7911 Williams Communicati
64871 PRIVATE 64.195.140.0/24 7911 Williams Communicati
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65101 PRIVATE 84.16.28.0/24 12956 Telefonica Data Auto
65101 PRIVATE 84.16.29.0/24 12956 Telefonica Data Auto
65101 PRIVATE 84.16.30.0/24 12956 Telefonica Data Auto
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
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 /10:10 /11:28 /12:93
/13:209 /14:368 /15:724 /16:8920 /17:3372 /18:5553
/19:12133 /20:13764 /21:12247 /22:15594 /23:16890 /24:113119
/25:466 /26:362 /27:280 /28:212 /29:223 /30:514
/31:0 /32:115
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3786 5044 UUNET Technologies, Inc.
4323 1885 3176 Time Warner Telecom
705 977 1539 UUNET Technologies, Inc.
18566 928 945 Covad Communications
6197 797 1017 BellSouth Network Solutions,
7018 774 1462 AT&T WorldNet Services
9583 742 912 Sify Limited
2386 638 918 AT&T Data Communications Serv
11492 638 650 Cable One
7046 597 841 UUNET Technologies, Inc.
7011 559 651 Citizens Utilities
19916 557 563 OLM LLC
6461 539 614 AboveNet Communications, Inc.
4766 526 715 Korea Telecom (KIX)
2686 511 553 IBM
855 447 573 Canadian Research Network
6198 442 600 BellSouth Network Solutions,
702 438 652 UUNET - Commercial IP service
9498 423 723 BHARTI BT INTERNET LTD.
5668 415 532 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:42 11:1 12:1633 13:1
15:15 16:3 17:3 18:4 20:41 24:777
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 59:275 60:190 61:868 62:952 63:3423
64:3555 65:3664 66:3753 67:640 68:676 69:1547
70:391 71:85 72:796 74:53 75:1 80:801
81:670 82:697 83:389 84:394 85:583 86:407
87:399 88:114 89:321 121:1 122:2 123:1
124:275 125:546 128:160 129:182 130:120 131:315
132:35 133:8 134:160 135:46 136:178 137:83
138:206 139:142 140:491 141:135 142:405 143:170
144:228 145:40 146:315 147:142 148:340 149:194
150:114 151:93 152:72 153:106 154:6 155:207
156:186 157:145 158:167 159:173 160:91 161:80
162:246 163:160 164:286 165:227 166:173 167:244
168:614 169:125 170:353 171:14 183:1 190:85
192:5820 193:3380 194:2755 195:2111 196:881 198:4094
199:3308 200:4632 201:987 202:6904 203:7098 204:4074
205:2176 206:2794 207:3560 208:2994 209:3813 210:2123
211:750 212:1386 213:1569 214:365 215:41 216:4361
217:1384 218:312 219:280 220:735 221:351 222:198
End of report
