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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 23 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 201734
Prefixes after maximum aggregation: 106115
Unique aggregates announced to Internet: 92493
Total ASes present in the Internet Routing Table: 22314
Origin-only ASes present in the Internet Routing Table: 19356
Origin ASes announcing only one prefix: 9245
Transit ASes present in the Internet Routing Table: 2958
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 27
Unregistered ASNs in the Routing Table: 22
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 61
Number of addresses announced to Internet: 2025921430
Equivalent to 120 /8s, 193 /16s and 27 /24s
Percentage of available address space announced: 54.7
Percentage of allocated address space announced: 79.1
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 103494
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40569
Total APNIC prefixes after maximum aggregation: 16775
Prefixes being announced from the APNIC address blocks: 38188
Unique aggregates announced from the APNIC address blocks: 18252
APNIC Region origin ASes present in the Internet Routing Table: 2555
APNIC Region origin ASes announcing only one prefix: 721
APNIC Region transit ASes present in the Internet Routing Table: 394
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 293366341
Equivalent to 17 /8s, 124 /16s and 106 /24s
Percentage of available APNIC address space announced: 91.7
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: 108411
Total ARIN prefixes after maximum aggregation: 59312
Prefixes being announced from the ARIN address blocks: 80652
Unique aggregates announced from the ARIN address blocks: 26445
ARIN Region origin ASes present in the Internet Routing Table: 10739
ARIN Region origin ASes announcing only one prefix: 4022
ARIN Region transit ASes present in the Internet Routing Table: 1015
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 292890401
Equivalent to 17 /8s, 117 /16s and 39 /24s
Percentage of available ARIN address space announced: 75.9
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
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: 39191
Total RIPE prefixes after maximum aggregation: 25461
Prefixes being announced from the RIPE address blocks: 36617
Unique aggregates announced from the RIPE address blocks: 23453
RIPE Region origin ASes present in the Internet Routing Table: 8099
RIPE Region origin ASes announcing only one prefix: 4227
RIPE Region transit ASes present in the Internet Routing Table: 1348
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 250130368
Equivalent to 14 /8s, 232 /16s and 175 /24s
Percentage of available RIPE address space announced: 78.5
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
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: 11341
Total LACNIC prefixes after maximum aggregation: 3656
Prefixes being announced from the LACNIC address blocks: 9465
Unique aggregates announced from the LACNIC address blocks: 5516
LACNIC Region origin ASes present in the Internet Routing Table: 688
LACNIC Region origin ASes announcing only one prefix: 229
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 26979072
Equivalent to 1 /8s, 155 /16s and 171 /24s
Percentage of available LACNIC address space announced: 40.2
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: 2196
Total AfriNIC prefixes after maximum aggregation: 911
Prefixes being announced from the AfriNIC address blocks: 1509
Unique aggregates announced from the AfriNIC address blocks: 961
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 46
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4099584
Equivalent to 0 /8s, 62 /16s and 142 /24s
Percentage of available AfriNIC address space announced: 12.2
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 1158 7068 225 CHINANET-BACKBONE
4755 904 259 71 Videsh Sanchar Nigam Ltd. Aut
9583 903 109 16 Sify Limited
4766 709 4436 310 Korea Telecom (KIX)
1221 657 1684 483 Telstra Pty Ltd
9498 559 211 66 BHARTI BT INTERNET LTD.
7545 533 124 71 TPG Internet Pty Ltd
17488 518 32 9 Hathway IP Over Cable Interne
17676 485 7029 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4802 379 80 172 Wantree Development
9929 375 220 61 China Netcom Corp.
4780 364 226 28 Digital United Inc.
7474 363 211 231 SingTel Optus Pty Ltd
17557 363 28 166 Pakistan Telecom
18101 360 85 23 Reliance Infocom Ltd Internet
17849 353 22 115 Telecommunications Technology
2907 339 1749 313 SINET Japan
17974 336 118 17 PT TELEKOMUNIKASI INDONESIA
4804 304 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 701 1936 453 UUNET - Commercial IP service
3215 415 1664 94 France Telecom Transpac
3301 307 1071 293 TeliaNet Sweden
8220 298 474 268 COLT Telecommunications
3320 287 3989 240 Deutsche Telekom AG
3352 283 1644 30 Ibernet, Internet Access Netw
680 245 2025 242 DFN-IP service G-WiN
5089 239 1659 45 NTL Group Limited
3246 236 504 226 Song Networks
6746 232 89 208 Dynamic Network Technologies,
1257 219 740 167 SWIPnet Swedish IP Network
8708 219 276 202 Romania Data Systems S.A.
24863 212 42 10 LINKdotNET AS number
8551 202 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
8764 188 65 35 LIETUVOS-TELEKOMAS Autonomous
30890 185 16 65 SC Kappa Invexim SRL
8866 178 37 15 Bulgarian Telecommunication C
5400 174 348 140 BT Ignite European Backbone
786 172 1778 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5068 6780 769 UUNET Technologies, Inc.
4323 3106 736 257 Time Warner Telecom
705 1625 596 709 UUNET Technologies, Inc.
7018 1485 6199 975 AT&T WorldNet Services
6197 1007 622 473 BellSouth Network Solutions,
721 999 21977 306 DLA Systems Automation Center
174 957 5787 900 Cogent Communications
19029 952 151 110 New Edge Networks
18566 940 272 8 Covad Communications
2386 885 523 681 AT&T Data Communications Serv
1239 847 2805 600 Sprint
7046 846 256 705 UUNET Technologies, Inc.
209 709 3689 552 Qwest
19262 707 2122 171 Verizon Global Networks
20115 695 609 376 Charter Communications
22773 664 1745 45 Cox Communications, Inc.
7011 635 218 413 Citizens Utilities
11492 621 87 21 Cable One
6461 619 227 84 AboveNet Communications, Inc.
852 595 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3106 2849 Time Warner Telecom
4134 1158 933 CHINANET-BACKBONE
18566 940 932 Covad Communications
705 1625 916 UUNET Technologies, Inc.
9583 903 887 Sify Limited
19029 952 842 New Edge Networks
4755 904 833 Videsh Sanchar Nigam Ltd. Aut
721 999 693 DLA Systems Automation Center
22773 664 619 Cox Communications, Inc.
11492 621 600 Cable One
19262 707 536 Verizon Global Networks
6461 619 535 AboveNet Communications, Inc.
6197 1007 534 BellSouth Network Solutions,
7018 1485 510 AT&T WorldNet Services
19916 563 509 OLM LLC
17488 518 509 Hathway IP Over Cable Interne
5668 526 503 CenturyTel Internet Holdings,
9498 559 493 BHARTI BT INTERNET LTD.
855 545 481 Canadian Research Network
8151 705 480 UniNet S.A. de C.V.
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
39938 UNALLOCATED 68.142.125.0/24 22822 Limelight Networks,
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65516 PRIVATE 84.222.96.0/22 3257 Tiscali Intl Network
64704 PRIVATE 86.70.139.0/24 34383 TELOISE
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
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
65008 PRIVATE 203.84.208.0/23 4657 Starhub Internet, Si
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65052 PRIVATE 203.190.208.0/21 9503 ComNet Technologies
65528 PRIVATE 206.210.72.64/26 17054 e-xpedient
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 213.154.248.0/28 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
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
96.0.0.0/9 1660 ANS Communications
96.128.0.0/9 1660 ANS Communications
97.0.0.0/9 1660 ANS Communications
97.128.0.0/9 1660 ANS Communications
98.0.0.0/9 1660 ANS Communications
98.128.0.0/9 1660 ANS Communications
99.0.0.0/9 1660 ANS Communications
99.128.0.0/9 1660 ANS Communications
100.0.0.0/9 1660 ANS Communications
100.128.0.0/9 1660 ANS Communications
101.0.0.0/9 1660 ANS Communications
101.128.0.0/9 1660 ANS Communications
102.0.0.0/9 1660 ANS Communications
102.128.0.0/9 1660 ANS Communications
103.0.0.0/9 1660 ANS Communications
103.128.0.0/9 1660 ANS Communications
104.0.0.0/9 1660 ANS Communications
104.128.0.0/9 1660 ANS Communications
105.0.0.0/9 1660 ANS Communications
105.128.0.0/9 1660 ANS Communications
106.0.0.0/9 1660 ANS Communications
106.128.0.0/9 1660 ANS Communications
107.0.0.0/9 1660 ANS Communications
107.128.0.0/9 1660 ANS Communications
108.0.0.0/9 1660 ANS Communications
108.128.0.0/9 1660 ANS Communications
109.0.0.0/9 1660 ANS Communications
109.128.0.0/9 1660 ANS Communications
110.0.0.0/9 1660 ANS Communications
110.128.0.0/9 1660 ANS Communications
111.0.0.0/9 1660 ANS Communications
111.128.0.0/9 1660 ANS Communications
112.0.0.0/9 1660 ANS Communications
112.128.0.0/9 1660 ANS Communications
113.0.0.0/9 1660 ANS Communications
113.128.0.0/9 1660 ANS Communications
114.0.0.0/9 1660 ANS Communications
114.128.0.0/9 1660 ANS Communications
115.0.0.0/9 1660 ANS Communications
115.128.0.0/9 1660 ANS Communications
116.0.0.0/9 1660 ANS Communications
116.128.0.0/9 1660 ANS Communications
117.0.0.0/9 1660 ANS Communications
117.128.0.0/9 1660 ANS Communications
118.0.0.0/9 1660 ANS Communications
118.128.0.0/9 1660 ANS Communications
119.0.0.0/9 1660 ANS Communications
119.128.0.0/9 1660 ANS Communications
120.0.0.0/9 1660 ANS Communications
120.128.0.0/9 1660 ANS Communications
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
192.119.135.0/24 270 NASA
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 /9:67 /10:10 /11:28 /12:91
/13:208 /14:362 /15:709 /16:8839 /17:3274 /18:5462
/19:11934 /20:13474 /21:11811 /22:15275 /23:16603 /24:111477
/25:458 /26:306 /27:301 /28:215 /29:234 /30:474
/31:0 /32:103
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3805 5068 UUNET Technologies, Inc.
4323 1854 3106 Time Warner Telecom
705 1056 1625 UUNET Technologies, Inc.
18566 923 940 Covad Communications
19029 883 952 New Edge Networks
6197 795 1007 BellSouth Network Solutions,
7018 778 1485 AT&T WorldNet Services
9583 732 903 Sify Limited
11492 612 621 Cable One
2386 609 885 AT&T Data Communications Serv
7046 600 846 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 546 619 AboveNet Communications, Inc.
7011 544 635 Citizens Utilities
2686 525 568 IBM
4766 519 709 Korea Telecom (KIX)
702 483 701 UUNET - Commercial IP service
855 426 545 Canadian Research Network
5668 409 526 CenturyTel Internet Holdings,
15270 398 429 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:42 12:1645 13:1 15:14
16:3 17:3 18:4 20:43 24:741 25:1
30:2 32:278 38:217 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:47 58:176
59:196 60:186 61:865 62:887 63:3488 64:3536
65:3686 66:3633 67:650 68:680 69:1537 70:362
71:86 72:713 73:23 74:36 80:767 81:666
82:675 83:402 84:401 85:589 86:400 87:361
88:117 89:208 124:282 125:392 128:162 129:190
130:114 131:318 132:33 133:8 134:159 135:46
136:178 137:76 138:208 139:160 140:467 141:136
142:406 143:165 144:224 145:39 146:329 147:141
148:307 149:190 150:114 151:90 152:71 153:107
154:6 155:202 156:100 157:151 158:167 159:174
160:87 161:79 162:247 163:148 164:222 165:210
166:166 167:242 168:609 169:128 170:337 171:14
183:1 190:72 192:5865 193:3388 194:2745 195:2000
196:873 198:4043 199:3292 200:4442 201:944 202:6630
203:6983 204:4079 205:2209 206:2768 207:3523 208:2922
209:4177 210:2060 211:711 212:1391 213:1587 214:365
215:41 216:4494 217:1390 218:296 219:200 220:642
221:362 222:131
End of report
