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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 21 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 199721
Prefixes after maximum aggregation: 106154
Unique aggregates announced to Internet: 92223
Total ASes present in the Internet Routing Table: 22270
Origin-only ASes present in the Internet Routing Table: 19327
Origin ASes announcing only one prefix: 9222
Transit ASes present in the Internet Routing Table: 2943
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 21
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 27
Unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 61
Number of addresses announced to Internet: 2014035702
Equivalent to 120 /8s, 11 /16s and 190 /24s
Percentage of available address space announced: 54.3
Percentage of allocated address space announced: 78.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 102413
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38860
Total APNIC prefixes after maximum aggregation: 16517
Prefixes being announced from the APNIC address blocks: 36700
Unique aggregates announced from the APNIC address blocks: 17574
APNIC Region origin ASes present in the Internet Routing Table: 2558
APNIC Region origin ASes announcing only one prefix: 728
APNIC Region transit ASes present in the Internet Routing Table: 396
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 282540389
Equivalent to 16 /8s, 215 /16s and 57 /24s
Percentage of available APNIC address space announced: 88.3
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: 108367
Total ARIN prefixes after maximum aggregation: 59664
Prefixes being announced from the ARIN address blocks: 80500
Unique aggregates announced from the ARIN address blocks: 26940
ARIN Region origin ASes present in the Internet Routing Table: 10726
ARIN Region origin ASes announcing only one prefix: 4012
ARIN Region transit ASes present in the Internet Routing Table: 1003
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 292620833
Equivalent to 17 /8s, 113 /16s and 10 /24s
Percentage of available ARIN address space announced: 75.8
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: 38961
Total RIPE prefixes after maximum aggregation: 25416
Prefixes being announced from the RIPE address blocks: 36384
Unique aggregates announced from the RIPE address blocks: 23414
RIPE Region origin ASes present in the Internet Routing Table: 8068
RIPE Region origin ASes announcing only one prefix: 4208
RIPE Region transit ASes present in the Internet Routing Table: 1343
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 250049536
Equivalent to 14 /8s, 231 /16s and 116 /24s
Percentage of available RIPE address space announced: 78.4
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: 11328
Total LACNIC prefixes after maximum aggregation: 3652
Prefixes being announced from the LACNIC address blocks: 9462
Unique aggregates announced from the LACNIC address blocks: 5513
LACNIC Region origin ASes present in the Internet Routing Table: 688
LACNIC Region origin ASes announcing only one prefix: 227
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 26980096
Equivalent to 1 /8s, 155 /16s and 175 /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: 2179
Total AfriNIC prefixes after maximum aggregation: 905
Prefixes being announced from the AfriNIC address blocks: 1505
Unique aggregates announced from the AfriNIC address blocks: 958
AfriNIC Region origin ASes present in the Internet Routing Table: 156
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4096512
Equivalent to 0 /8s, 62 /16s and 130 /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
9583 903 109 16 Sify Limited
4755 881 257 68 Videsh Sanchar Nigam Ltd. Aut
4766 709 4436 310 Korea Telecom (KIX)
4134 677 5155 166 CHINANET-BACKBONE
1221 653 1556 482 Telstra Pty Ltd
9498 561 211 66 BHARTI BT INTERNET LTD.
7545 531 124 70 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 383 80 176 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
17849 352 22 114 Telecommunications Technology
2907 339 1749 313 SINET Japan
17974 335 135 19 PT TELEKOMUNIKASI INDONESIA
4804 305 295 59 Microplex PTY LTD
9800 271 408 65 CHINA UNICOM
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 702 1952 455 UUNET - Commercial IP service
3215 419 1664 94 France Telecom Transpac
3301 307 1071 293 TeliaNet Sweden
3352 297 1644 30 Ibernet, Internet Access Netw
8220 297 468 267 COLT Telecommunications
3320 286 3988 239 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,
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
30890 183 16 68 SC Kappa Invexim SRL
8866 180 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 5052 6795 767 UUNET Technologies, Inc.
4323 3106 736 257 Time Warner Telecom
705 1631 597 716 UUNET Technologies, Inc.
7018 1498 6200 959 AT&T WorldNet Services
6197 1006 622 472 BellSouth Network Solutions,
721 991 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 877 522 675 AT&T Data Communications Serv
1239 844 2789 599 Sprint
7046 842 256 701 UUNET Technologies, Inc.
209 707 3689 552 Qwest
19262 705 2106 170 Verizon Global Networks
20115 694 609 381 Charter Communications
22773 662 1745 45 Cox Communications, Inc.
7011 635 218 413 Citizens Utilities
6461 619 227 84 AboveNet Communications, Inc.
852 595 1084 382 Telus Advanced Communications
6478 571 1523 337 AT&T Worldnet Services
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3106 2849 Time Warner Telecom
18566 940 932 Covad Communications
705 1631 915 UUNET Technologies, Inc.
9583 903 887 Sify Limited
19029 952 842 New Edge Networks
4755 881 813 Videsh Sanchar Nigam Ltd. Aut
721 991 688 DLA Systems Automation Center
22773 662 617 Cox Communications, Inc.
7018 1498 539 AT&T WorldNet Services
19262 705 535 Verizon Global Networks
6461 619 535 AboveNet Communications, Inc.
6197 1006 534 BellSouth Network Solutions,
4134 677 511 CHINANET-BACKBONE
19916 563 509 OLM LLC
17488 518 509 Hathway IP Over Cable Interne
5668 525 502 CenturyTel Internet Holdings,
9498 561 495 BHARTI BT INTERNET LTD.
855 545 481 Canadian Research Network
8151 706 480 UniNet S.A. de C.V.
2686 570 471 IBM
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
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
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
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
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 /12:88
/13:201 /14:347 /15:693 /16:8773 /17:3135 /18:5324
/19:11717 /20:13273 /21:11559 /22:15004 /23:16469 /24:110934
/25:459 /26:304 /27:298 /28:213 /29:233 /30:473
/31:0 /32:100
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3786 5052 UUNET Technologies, Inc.
4323 1854 3106 Time Warner Telecom
705 1062 1631 UUNET Technologies, Inc.
18566 923 940 Covad Communications
19029 883 952 New Edge Networks
6197 795 1006 BellSouth Network Solutions,
7018 791 1498 AT&T WorldNet Services
9583 732 903 Sify Limited
2386 604 877 AT&T Data Communications Serv
7046 595 842 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 546 619 AboveNet Communications, Inc.
7011 544 635 Citizens Utilities
11492 535 536 Cable One
2686 526 570 IBM
4766 519 709 Korea Telecom (KIX)
702 484 702 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 12:1641 13:1 15:14
16:3 17:3 18:4 20:43 24:724 25:1
30:2 32:278 38:213 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:47 58:154
59:187 60:180 61:820 62:887 63:3475 64:3542
65:3684 66:3629 67:647 68:680 69:1527 70:361
71:84 72:702 73:23 74:36 80:787 81:656
82:664 83:389 84:395 85:548 86:397 87:358
88:89 89:201 124:280 125:408 128:161 129:190
130:109 131:318 132:33 133:8 134:159 135:46
136:178 137:75 138:203 139:159 140:470 141:136
142:406 143:165 144:224 145:39 146:325 147:141
148:307 149:190 150:114 151:90 152:71 153:107
154:5 155:200 156:101 157:146 158:166 159:169
160:87 161:79 162:247 163:148 164:215 165:207
166:166 167:242 168:608 169:128 170:337 171:14
183:1 190:70 192:5843 193:3374 194:2738 195:1986
196:872 198:4032 199:3290 200:4439 201:942 202:6623
203:6958 204:4081 205:2210 206:2763 207:3522 208:2912
209:4175 210:2058 211:708 212:1376 213:1584 214:360
215:41 216:4493 217:1375 218:266 219:152 220:643
221:349 222:120
End of report
