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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 30 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 204255
Prefixes after maximum aggregation: 107197
Unique aggregates announced to Internet: 92863
Total ASes present in the Internet Routing Table: 22616
Origin-only ASes present in the Internet Routing Table: 19737
Origin ASes announcing only one prefix: 9407
Transit ASes present in the Internet Routing Table: 2879
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 2.7
Max AS path length visible: 19
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 22
Unregistered ASNs in the Routing Table: 13
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1539125429
Equivalent to 91 /8s, 189 /16s and 48 /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: 104524
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42323
Total APNIC prefixes after maximum aggregation: 17070
Prefixes being announced from the APNIC address blocks: 39928
Unique aggregates announced from the APNIC address blocks: 17604
APNIC Region origin ASes present in the Internet Routing Table: 2628
APNIC Region origin ASes announcing only one prefix: 743
APNIC Region transit ASes present in the Internet Routing Table: 396
Average APNIC Region AS path length visible: 3.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 235187108
Equivalent to 14 /8s, 4 /16s and 171 /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: 108115
Total ARIN prefixes after maximum aggregation: 59569
Prefixes being announced from the ARIN address blocks: 80456
Unique aggregates announced from the ARIN address blocks: 26999
ARIN Region origin ASes present in the Internet Routing Table: 10812
ARIN Region origin ASes announcing only one prefix: 4077
ARIN Region transit ASes present in the Internet Routing Table: 976
Average ARIN Region AS path length visible: 2.4
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 294960417
Equivalent to 17 /8s, 148 /16s and 189 /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: 39768
Total RIPE prefixes after maximum aggregation: 25909
Prefixes being announced from the RIPE address blocks: 37161
Unique aggregates announced from the RIPE address blocks: 23888
RIPE Region origin ASes present in the Internet Routing Table: 8251
RIPE Region origin ASes announcing only one prefix: 4306
RIPE Region transit ASes present in the Internet Routing Table: 1325
Average RIPE Region AS path length visible: 2.9
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 255133056
Equivalent to 15 /8s, 53 /16s and 5 /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: 11689
Total LACNIC prefixes after maximum aggregation: 3738
Prefixes being announced from the LACNIC address blocks: 9818
Unique aggregates announced from the LACNIC address blocks: 5586
LACNIC Region origin ASes present in the Internet Routing Table: 703
LACNIC Region origin ASes announcing only one prefix: 236
LACNIC Region transit ASes present in the Internet Routing Table: 128
Average LACNIC Region AS path length visible: 3.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 28056320
Equivalent to 1 /8s, 172 /16s and 27 /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: 2339
Total AfriNIC prefixes after maximum aggregation: 911
Prefixes being announced from the AfriNIC address blocks: 1572
Unique aggregates announced from the AfriNIC address blocks: 947
AfriNIC Region origin ASes present in the Internet Routing Table: 157
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 23
Average AfriNIC Region AS path length visible: 2.8
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC addresses announced to Internet: 4145920
Equivalent to 0 /8s, 63 /16s and 67 /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 947 258 72 Videsh Sanchar Nigam Ltd. Aut
9583 918 109 15 Sify Limited
4766 714 4435 309 Korea Telecom (KIX)
9498 682 211 68 BHARTI BT INTERNET LTD.
1221 650 1668 481 Telstra Pty Ltd
7545 547 124 71 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 492 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
17974 385 129 14 PT TELEKOMUNIKASI INDONESIA
4802 382 81 169 Wantree Development
17557 381 30 170 Pakistan Telecom
9929 377 254 65 China Netcom Corp.
7474 361 211 228 SingTel Optus Pty Ltd
2907 341 1750 315 SINET Japan
4804 304 295 57 Microplex PTY LTD
10139 283 19 5 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 673 1948 445 UUNET - Commercial IP service
3215 405 1720 96 France Telecom Transpac
3301 312 1327 297 TeliaNet Sweden
3352 305 1643 30 Ibernet, Internet Access Netw
3320 282 3988 237 Deutsche Telekom AG
8220 281 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 239 90 214 Dynamic Network Technologies,
5089 234 1643 43 NTL Group Limited
3246 231 463 221 Song Networks
8708 218 276 204 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
1257 195 741 167 SWIPnet Swedish IP Network
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 5045 6769 782 UUNET Technologies, Inc.
4323 3162 744 266 Time Warner Telecom
705 1556 574 683 UUNET Technologies, Inc.
7018 1494 6272 952 AT&T WorldNet Services
721 1021 21998 314 DLA Systems Automation Center
6197 1017 636 478 BellSouth Network Solutions,
174 966 5771 897 Cogent Communications
2386 920 561 714 AT&T Data Communications Serv
18566 876 272 8 Covad Communications
1239 848 2799 604 Sprint
7046 844 253 701 UUNET Technologies, Inc.
19262 719 2168 188 Verizon Global Networks
20115 713 619 381 Charter Communications
209 697 3683 550 Qwest
22773 667 1741 37 Cox Communications, Inc.
7011 646 217 410 Citizens Utilities
11492 642 89 10 Cable One
6461 611 228 86 AboveNet Communications, Inc.
6198 601 568 237 BellSouth Network Solutions,
852 597 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3162 2896 Time Warner Telecom
4134 1246 1022 CHINANET-BACKBONE
9583 918 903 Sify Limited
4755 947 875 Videsh Sanchar Nigam Ltd. Aut
705 1556 873 UUNET Technologies, Inc.
18566 876 868 Covad Communications
721 1021 707 DLA Systems Automation Center
11492 642 632 Cable One
22773 667 630 Cox Communications, Inc.
9498 682 614 BHARTI BT INTERNET LTD.
7018 1494 542 AT&T WorldNet Services
6197 1017 539 BellSouth Network Solutions,
19262 719 531 Verizon Global Networks
6461 611 525 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 529 506 CenturyTel Internet Holdings,
17488 519 502 Hathway IP Over Cable Interne
855 567 498 Canadian Research Network
8151 703 487 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
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 /8:19 /9:9 /10:10 /11:28 /12:93
/13:207 /14:364 /15:719 /16:8883 /17:3346 /18:5533
/19:12077 /20:13737 /21:12234 /22:15552 /23:16770 /24:112551
/25:467 /26:356 /27:281 /28:213 /29:215 /30:492
/31:0 /32:99
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3788 5045 UUNET Technologies, Inc.
4323 1881 3162 Time Warner Telecom
705 995 1556 UUNET Technologies, Inc.
18566 861 876 Covad Communications
6197 797 1017 BellSouth Network Solutions,
7018 794 1494 AT&T WorldNet Services
9583 748 918 Sify Limited
2386 636 920 AT&T Data Communications Serv
11492 630 642 Cable One
7046 598 844 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 555 646 Citizens Utilities
6461 536 611 AboveNet Communications, Inc.
4766 525 714 Korea Telecom (KIX)
702 458 673 UUNET - Commercial IP service
2686 448 493 IBM
855 446 567 Canadian Research Network
6198 443 601 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 24:773 25:1
30:2 32:233 38:232 40:54 41:2 43:16
44:3 47:6 52:4 55:1 56:3 57:45
58:192 59:271 60:186 61:865 62:941 63:3429
64:3516 65:3673 66:3733 67:638 68:679 69:1545
70:388 71:83 72:798 74:50 75:1 80:781
81:657 82:688 83:401 84:393 85:572 86:391
87:381 88:112 89:309 121:2 122:2 123:1
124:181 125:525 128:155 129:189 130:120 131:313
132:35 133:9 134:160 135:48 136:178 137:83
138:206 139:138 140:483 141:136 142:406 143:168
144:224 145:39 146:320 147:142 148:341 149:194
150:114 151:94 152:72 153:106 154:6 155:206
156:183 157:148 158:167 159:171 160:91 161:80
162:245 163:158 164:228 165:214 166:172 167:243
168:609 169:128 170:352 171:14 183:1 190:80
192:5828 193:3372 194:2756 195:2095 196:896 198:4091
199:3306 200:4509 201:1002 202:6886 203:7099 204:4078
205:2178 206:2791 207:3561 208:2972 209:3802 210:2108
211:752 212:1394 213:1588 214:344 215:41 216:4354
217:1388 218:310 219:277 220:734 221:366 222:198
End of report
