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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 20 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 201469
Prefixes after maximum aggregation: 106108
Unique aggregates announced to Internet: 91749
Total ASes present in the Internet Routing Table: 22306
Origin-only ASes present in the Internet Routing Table: 19370
Origin ASes announcing only one prefix: 9251
Transit ASes present in the Internet Routing Table: 2936
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 26
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 30
Unregistered ASNs in the Routing Table: 23
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 61
Number of addresses announced to Internet: 2021578966
Equivalent to 120 /8s, 126 /16s and 216 /24s
Percentage of available address space announced: 54.5
Percentage of allocated address space announced: 78.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 103321
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40440
Total APNIC prefixes after maximum aggregation: 16778
Prefixes being announced from the APNIC address blocks: 38062
Unique aggregates announced from the APNIC address blocks: 17514
APNIC Region origin ASes present in the Internet Routing Table: 2553
APNIC Region origin ASes announcing only one prefix: 722
APNIC Region transit ASes present in the Internet Routing Table: 385
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 288980037
Equivalent to 17 /8s, 57 /16s and 124 /24s
Percentage of available APNIC address space announced: 90.4
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: 108379
Total ARIN prefixes after maximum aggregation: 59274
Prefixes being announced from the ARIN address blocks: 80638
Unique aggregates announced from the ARIN address blocks: 26445
ARIN Region origin ASes present in the Internet Routing Table: 10747
ARIN Region origin ASes announcing only one prefix: 4030
ARIN Region transit ASes present in the Internet Routing Table: 1036
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 292817441
Equivalent to 17 /8s, 116 /16s and 10 /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: 39102
Total RIPE prefixes after maximum aggregation: 25477
Prefixes being announced from the RIPE address blocks: 36515
Unique aggregates announced from the RIPE address blocks: 23445
RIPE Region origin ASes present in the Internet Routing Table: 8089
RIPE Region origin ASes announcing only one prefix: 4219
RIPE Region transit ASes present in the Internet Routing Table: 1314
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 250141696
Equivalent to 14 /8s, 232 /16s and 220 /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: 11339
Total LACNIC prefixes after maximum aggregation: 3674
Prefixes being announced from the LACNIC address blocks: 9453
Unique aggregates announced from the LACNIC address blocks: 5512
LACNIC Region origin ASes present in the Internet Routing Table: 689
LACNIC Region origin ASes announcing only one prefix: 231
LACNIC Region transit ASes present in the Internet Routing Table: 135
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 26955520
Equivalent to 1 /8s, 155 /16s and 79 /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: 2180
Total AfriNIC prefixes after maximum aggregation: 905
Prefixes being announced from the AfriNIC address blocks: 1507
Unique aggregates announced from the AfriNIC address blocks: 960
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4099328
Equivalent to 0 /8s, 62 /16s and 141 /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 1135 7068 224 CHINANET-BACKBONE
9583 902 109 16 Sify Limited
4755 882 257 70 Videsh Sanchar Nigam Ltd. Aut
4766 709 4436 310 Korea Telecom (KIX)
1221 655 1556 482 Telstra Pty Ltd
9498 560 211 66 BHARTI BT INTERNET LTD.
7545 530 124 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 381 80 174 Wantree Development
9929 375 220 61 China Netcom Corp.
4780 364 226 28 Digital United Inc.
7474 362 211 230 SingTel Optus Pty Ltd
18101 361 85 23 Reliance Infocom Ltd Internet
17557 360 28 167 Pakistan Telecom
17849 352 22 114 Telecommunications Technology
2907 339 1749 313 SINET Japan
17974 339 135 19 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
702 703 1952 456 UUNET - Commercial IP service
3215 419 1664 94 France Telecom Transpac
3301 307 1071 293 TeliaNet Sweden
8220 298 472 268 COLT Telecommunications
3352 297 1644 30 Ibernet, Internet Access Netw
3320 287 3989 240 Deutsche Telekom AG
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,
8708 219 276 202 Romania Data Systems S.A.
1257 218 740 166 SWIPnet Swedish IP Network
24863 212 42 10 LINKdotNET AS number
8551 202 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
30890 183 16 68 SC Kappa Invexim SRL
8866 178 37 16 Bulgarian Telecommunication C
5400 174 348 140 BT Ignite European Backbone
786 172 1778 172 The JANET IP Service
6830 169 765 35 UPC Distribution Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5033 6762 754 UUNET Technologies, Inc.
4323 3107 736 257 Time Warner Telecom
705 1628 597 710 UUNET Technologies, Inc.
7018 1512 6200 960 AT&T WorldNet Services
6197 998 496 503 BellSouth Network Solutions,
721 994 21945 303 DLA Systems Automation Center
174 955 5786 898 Cogent Communications
19029 952 151 110 New Edge Networks
18566 940 272 8 Covad Communications
2386 878 522 676 AT&T Data Communications Serv
7046 841 256 700 UUNET Technologies, Inc.
1239 840 2788 596 Sprint
209 710 3689 554 Qwest
19262 706 2122 171 Verizon Global Networks
20115 693 609 380 Charter Communications
22773 663 1745 45 Cox Communications, Inc.
7011 635 218 413 Citizens Utilities
6461 622 228 87 AboveNet Communications, Inc.
11492 621 87 21 Cable One
852 596 1084 383 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3107 2850 Time Warner Telecom
18566 940 932 Covad Communications
705 1628 918 UUNET Technologies, Inc.
4134 1135 911 CHINANET-BACKBONE
9583 902 886 Sify Limited
19029 952 842 New Edge Networks
4755 882 812 Videsh Sanchar Nigam Ltd. Aut
721 994 691 DLA Systems Automation Center
22773 663 618 Cox Communications, Inc.
11492 621 600 Cable One
7018 1512 552 AT&T WorldNet Services
19262 706 535 Verizon Global Networks
6461 622 535 AboveNet Communications, Inc.
19916 563 509 OLM LLC
17488 518 509 Hathway IP Over Cable Interne
5668 525 502 CenturyTel Internet Holdings,
6197 998 495 BellSouth Network Solutions,
9498 560 494 BHARTI BT INTERNET LTD.
855 545 481 Canadian Research Network
8151 706 480 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
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
65109 PRIVATE 193.162.110.0/24 3292 TDC Tele Danmark
65109 PRIVATE 193.162.111.0/24 3292 TDC Tele Danmark
65022 PRIVATE 194.252.152.0/24 12582 Sonera Solutions Dif
65022 PRIVATE 195.156.205.0/24 12582 Sonera Solutions Dif
65022 PRIVATE 195.165.56.0/24 12582 Sonera Solutions Dif
65505 PRIVATE 195.190.149.0/24 3292 TDC Tele Danmark
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
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 /8:20 /9:67 /10:9 /11:28 /12:91
/13:207 /14:361 /15:709 /16:8838 /17:3263 /18:5451
/19:11929 /20:13456 /21:11764 /22:15272 /23:16585 /24:111358
/25:453 /26:305 /27:287 /28:211 /29:230 /30:473
/31:0 /32:102
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3776 5033 UUNET Technologies, Inc.
4323 1855 3107 Time Warner Telecom
705 1059 1628 UUNET Technologies, Inc.
18566 923 940 Covad Communications
19029 883 952 New Edge Networks
7018 804 1512 AT&T WorldNet Services
6197 795 998 BellSouth Network Solutions,
9583 731 902 Sify Limited
11492 612 621 Cable One
2386 605 878 AT&T Data Communications Serv
7046 596 841 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 546 622 AboveNet Communications, Inc.
7011 544 635 Citizens Utilities
2686 527 571 IBM
4766 519 709 Korea Telecom (KIX)
702 484 703 UUNET - Commercial IP service
855 426 545 Canadian Research Network
5668 408 525 CenturyTel Internet Holdings,
15270 396 427 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:42 12:1644 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 58:154
59:191 60:183 61:864 62:881 63:3483 64:3551
65:3686 66:3631 67:648 68:680 69:1536 70:361
71:85 72:717 73:23 74:36 80:787 81:668
82:660 83:403 84:400 85:542 86:398 87:359
88:90 89:202 124:280 125:408 128:164 129:191
130:109 131:318 132:34 133:8 134:159 135:46
136:178 137:76 138:206 139:159 140:470 141:136
142:406 143:165 144:226 145:39 146:330 147:141
148:328 149:191 150:114 151:90 152:71 153:107
154:6 155:203 156:100 157:151 158:166 159:169
160:87 161:79 162:261 163:147 164:224 165:208
166:166 167:242 168:607 169:122 170:335 171:14
183:1 190:72 192:5859 193:3381 194:2743 195:1996
196:872 198:4044 199:3294 200:4439 201:945 202:6637
203:6961 204:4085 205:2197 206:2776 207:3524 208:2918
209:4177 210:2051 211:718 212:1386 213:1585 214:362
215:41 216:4501 217:1389 218:290 219:199 220:643
221:362 222:131
End of report
