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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 18 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 201762
Prefixes after maximum aggregation: 106029
Unique aggregates announced to Internet: 91829
Total ASes present in the Internet Routing Table: 22279
Origin-only ASes present in the Internet Routing Table: 19363
Origin ASes announcing only one prefix: 9220
Transit ASes present in the Internet Routing Table: 2916
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 3.2
Max AS path length visible: 24
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 30
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: 2016863670
Equivalent to 120 /8s, 54 /16s and 229 /24s
Percentage of available address space announced: 54.4
Percentage of allocated address space announced: 78.7
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 103280
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40690
Total APNIC prefixes after maximum aggregation: 16774
Prefixes being announced from the APNIC address blocks: 38330
Unique aggregates announced from the APNIC address blocks: 17623
APNIC Region origin ASes present in the Internet Routing Table: 2565
APNIC Region origin ASes announcing only one prefix: 723
APNIC Region transit ASes present in the Internet Routing Table: 401
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 284301861
Equivalent to 16 /8s, 242 /16s and 26 /24s
Percentage of available APNIC address space announced: 88.9
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: 108213
Total ARIN prefixes after maximum aggregation: 59244
Prefixes being announced from the ARIN address blocks: 80581
Unique aggregates announced from the ARIN address blocks: 26526
ARIN Region origin ASes present in the Internet Routing Table: 10734
ARIN Region origin ASes announcing only one prefix: 4015
ARIN Region transit ASes present in the Internet Routing Table: 1000
Average ARIN Region AS path length visible: 2.8
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 292649761
Equivalent to 17 /8s, 113 /16s and 123 /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: 39300
Total RIPE prefixes after maximum aggregation: 25430
Prefixes being announced from the RIPE address blocks: 36566
Unique aggregates announced from the RIPE address blocks: 23338
RIPE Region origin ASes present in the Internet Routing Table: 8061
RIPE Region origin ASes announcing only one prefix: 4205
RIPE Region transit ASes present in the Internet Routing Table: 1320
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 250064128
Equivalent to 14 /8s, 231 /16s and 173 /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: 11361
Total LACNIC prefixes after maximum aggregation: 3674
Prefixes being announced from the LACNIC address blocks: 9462
Unique aggregates announced from the LACNIC address blocks: 5519
LACNIC Region origin ASes present in the Internet Routing Table: 690
LACNIC Region origin ASes announcing only one prefix: 228
LACNIC Region transit ASes present in the Internet Routing Table: 128
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 26959616
Equivalent to 1 /8s, 155 /16s and 95 /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: 2170
Total AfriNIC prefixes after maximum aggregation: 907
Prefixes being announced from the AfriNIC address blocks: 1500
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: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4095232
Equivalent to 0 /8s, 62 /16s and 125 /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 901 109 16 Sify Limited
4134 896 5708 185 CHINANET-BACKBONE
4755 881 257 68 Videsh Sanchar Nigam Ltd. Aut
4538 726 2686 31 China Education and Research
4766 709 4436 310 Korea Telecom (KIX)
1221 657 1556 483 Telstra Pty Ltd
9498 563 211 67 BHARTI BT INTERNET LTD.
7545 532 124 71 TPG Internet Pty Ltd
17488 501 31 7 Hathway IP Over Cable Interne
17676 487 7029 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4802 380 80 173 Wantree Development
9929 373 220 61 China Netcom Corp.
7474 363 211 230 SingTel Optus Pty Ltd
4780 358 226 28 Digital United Inc.
17849 351 22 113 Telecommunications Technology
18101 347 85 23 Reliance Infocom Ltd Internet
2907 342 1766 316 SINET Japan
17974 341 135 19 PT TELEKOMUNIKASI INDONESIA
17557 336 28 166 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 707 1952 457 UUNET - Commercial IP service
3215 419 1664 94 France Telecom Transpac
1103 354 1990 81 SURFnet, The Netherlands
3301 307 1071 293 TeliaNet Sweden
8220 301 473 270 COLT Telecommunications
3352 297 1644 30 Ibernet, Internet Access Netw
3320 284 3988 239 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
5089 238 1659 44 NTL Group Limited
3246 237 504 227 Song Networks
6746 231 89 207 Dynamic Network Technologies,
1257 219 740 167 SWIPnet Swedish IP Network
8708 219 276 202 Romania Data Systems S.A.
24863 211 41 11 LINKdotNET AS number
8551 201 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
8866 179 37 15 Bulgarian Telecommunication C
30890 178 16 66 SC Kappa Invexim SRL
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 5069 6796 770 UUNET Technologies, Inc.
4323 3102 734 256 Time Warner Telecom
705 1629 597 710 UUNET Technologies, Inc.
7018 1528 6237 975 AT&T WorldNet Services
6197 1006 622 472 BellSouth Network Solutions,
721 995 21945 303 DLA Systems Automation Center
174 952 5754 895 Cogent Communications
19029 951 151 110 New Edge Networks
18566 939 272 8 Covad Communications
2386 881 522 679 AT&T Data Communications Serv
1239 850 2813 603 Sprint
7046 846 257 704 UUNET Technologies, Inc.
209 707 3673 552 Qwest
19262 706 2122 171 Verizon Global Networks
20115 695 609 376 Charter Communications
22773 659 1745 42 Cox Communications, Inc.
7011 635 218 413 Citizens Utilities
11492 632 86 23 Cable One
6461 622 228 87 AboveNet Communications, Inc.
852 597 1084 383 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3102 2846 Time Warner Telecom
18566 939 931 Covad Communications
705 1629 919 UUNET Technologies, Inc.
9583 901 885 Sify Limited
19029 951 841 New Edge Networks
4755 881 813 Videsh Sanchar Nigam Ltd. Aut
4134 896 711 CHINANET-BACKBONE
4538 726 695 China Education and Research
721 995 692 DLA Systems Automation Center
22773 659 617 Cox Communications, Inc.
11492 632 609 Cable One
7018 1528 553 AT&T WorldNet Services
19262 706 535 Verizon Global Networks
6461 622 535 AboveNet Communications, Inc.
6197 1006 534 BellSouth Network Solutions,
19916 563 509 OLM LLC
5668 525 502 CenturyTel Internet Holdings,
9498 563 496 BHARTI BT INTERNET LTD.
17488 501 494 Hathway IP Over Cable Interne
8151 703 481 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
65241 PRIVATE 65.90.71.0/24 10794 Bank of America
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
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
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
64515 PRIVATE 203.126.13.0/25 7610 SINGAPORE ADVANCE RE
64515 PRIVATE 203.126.13.128/26 7610 SINGAPORE ADVANCE RE
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,
65512 PRIVATE 213.154.230.0/24 12859 Business Internet Tr
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,
36366 UNALLOCATED 216.130.247.0/24 174 Cogent Communication
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 /12:89
/13:202 /14:351 /15:703 /16:8853 /17:3211 /18:5419
/19:11921 /20:13633 /21:11804 /22:15262 /23:16521 /24:111587
/25:458 /26:308 /27:297 /28:212 /29:234 /30:468
/31:0 /32:105
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3802 5069 UUNET Technologies, Inc.
4323 1851 3102 Time Warner Telecom
705 1060 1629 UUNET Technologies, Inc.
18566 922 939 Covad Communications
19029 882 951 New Edge Networks
7018 803 1528 AT&T WorldNet Services
6197 795 1006 BellSouth Network Solutions,
9583 729 901 Sify Limited
11492 623 632 Cable One
2386 606 881 AT&T Data Communications Serv
7046 599 846 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 546 622 AboveNet Communications, Inc.
7011 544 635 Citizens Utilities
2686 526 570 IBM
4766 519 709 Korea Telecom (KIX)
702 488 707 UUNET - Commercial IP service
855 426 541 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 12:1642 13:1 15:12
16:3 17:3 18:4 20:43 24:745 25:1
30:2 32:278 38:216 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:47 58:156
59:196 60:184 61:818 62:886 63:3489 64:3545
65:3682 66:3625 67:649 68:677 69:1523 70:358
71:85 72:713 73:23 74:36 80:774 81:659
82:666 83:394 84:400 85:551 86:398 87:337
88:89 89:195 124:277 125:387 128:165 129:190
130:109 131:319 132:33 133:8 134:159 135:46
136:178 137:76 138:207 139:157 140:468 141:136
142:398 143:165 144:227 145:53 146:323 147:141
148:331 149:189 150:114 151:90 152:70 153:107
154:6 155:202 156:100 157:147 158:165 159:169
160:87 161:78 162:261 163:147 164:224 165:199
166:163 167:242 168:607 169:128 170:336 171:14
183:1 190:99 192:5942 193:3382 194:2809 195:2020
196:872 198:4036 199:3301 200:4432 201:944 202:6761
203:6956 204:4083 205:2212 206:2778 207:3522 208:2923
209:4178 210:2045 211:738 212:1385 213:1579 214:343
215:41 216:4488 217:1385 218:291 219:222 220:658
221:362 222:171
End of report
