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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 22 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 201238
Prefixes after maximum aggregation: 106033
Unique aggregates announced to Internet: 92453
Total ASes present in the Internet Routing Table: 22302
Origin-only ASes present in the Internet Routing Table: 19336
Origin ASes announcing only one prefix: 9238
Transit ASes present in the Internet Routing Table: 2966
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 21
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 28
Unregistered ASNs in the Routing Table: 21
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 61
Number of addresses announced to Internet: 2021312470
Equivalent to 120 /8s, 122 /16s and 199 /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: 103125
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40248
Total APNIC prefixes after maximum aggregation: 16691
Prefixes being announced from the APNIC address blocks: 38064
Unique aggregates announced from the APNIC address blocks: 18258
APNIC Region origin ASes present in the Internet Routing Table: 2560
APNIC Region origin ASes announcing only one prefix: 724
APNIC Region transit ASes present in the Internet Routing Table: 397
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 289157189
Equivalent to 17 /8s, 60 /16s and 48 /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: 108484
Total ARIN prefixes after maximum aggregation: 59355
Prefixes being announced from the ARIN address blocks: 80588
Unique aggregates announced from the ARIN address blocks: 26441
ARIN Region origin ASes present in the Internet Routing Table: 10735
ARIN Region origin ASes announcing only one prefix: 4016
ARIN Region transit ASes present in the Internet Routing Table: 1017
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 292851745
Equivalent to 17 /8s, 116 /16s and 144 /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: 39049
Total RIPE prefixes after maximum aggregation: 25418
Prefixes being announced from the RIPE address blocks: 36379
Unique aggregates announced from the RIPE address blocks: 23398
RIPE Region origin ASes present in the Internet Routing Table: 8084
RIPE Region origin ASes announcing only one prefix: 4221
RIPE Region transit ASes present in the Internet Routing Table: 1355
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 250095616
Equivalent to 14 /8s, 232 /16s and 40 /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: 11336
Total LACNIC prefixes after maximum aggregation: 3661
Prefixes being announced from the LACNIC address blocks: 9461
Unique aggregates announced from the LACNIC address blocks: 5525
LACNIC Region origin ASes present in the Internet Routing Table: 689
LACNIC Region origin ASes announcing only one prefix: 228
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 26971392
Equivalent to 1 /8s, 155 /16s and 141 /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: 2094
Total AfriNIC prefixes after maximum aggregation: 908
Prefixes being announced from the AfriNIC address blocks: 1505
Unique aggregates announced from the AfriNIC address blocks: 957
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: 4.1
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4097024
Equivalent to 0 /8s, 62 /16s and 132 /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 1136 7084 225 CHINANET-BACKBONE
9583 902 109 16 Sify Limited
4755 881 257 68 Videsh Sanchar Nigam Ltd. Aut
4766 709 4436 310 Korea Telecom (KIX)
1221 657 1684 483 Telstra Pty Ltd
9498 562 211 67 BHARTI BT INTERNET LTD.
7545 532 124 71 TPG Internet Pty Ltd
17488 518 32 9 Hathway IP Over Cable Interne
17676 485 7029 109 Softbank BB Corp.
9443 435 110 79 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 362 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 304 295 58 Microplex PTY LTD
9800 270 407 64 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
8220 299 469 268 COLT Telecommunications
3352 297 1644 30 Ibernet, Internet Access Netw
3320 284 3988 238 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 231 89 207 Dynamic Network Technologies,
1257 219 740 167 SWIPnet Swedish IP Network
8708 219 276 202 Romania Data Systems S.A.
24863 213 42 10 LINKdotNET AS number
8551 202 198 24 Bezeq International
3269 196 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 5051 6795 767 UUNET Technologies, Inc.
4323 3103 736 257 Time Warner Telecom
705 1627 597 710 UUNET Technologies, Inc.
7018 1494 6200 959 AT&T WorldNet Services
6197 1006 622 472 BellSouth Network Solutions,
721 998 21977 306 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 845 256 704 UUNET Technologies, Inc.
1239 844 2789 599 Sprint
209 709 3689 553 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
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 3103 2846 Time Warner Telecom
18566 940 932 Covad Communications
705 1627 917 UUNET Technologies, Inc.
4134 1136 911 CHINANET-BACKBONE
9583 902 886 Sify Limited
19029 952 842 New Edge Networks
4755 881 813 Videsh Sanchar Nigam Ltd. Aut
721 998 692 DLA Systems Automation Center
22773 662 617 Cox Communications, Inc.
11492 621 600 Cable One
7018 1494 535 AT&T WorldNet Services
19262 705 535 Verizon Global Networks
6461 619 535 AboveNet Communications, Inc.
6197 1006 534 BellSouth Network Solutions,
19916 563 509 OLM LLC
17488 518 509 Hathway IP Over Cable Interne
5668 525 502 CenturyTel Internet Holdings,
9498 562 495 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
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 /8:19 /9:67 /10:9 /11:28 /12:91
/13:208 /14:362 /15:709 /16:8829 /17:3266 /18:5455
/19:11930 /20:13453 /21:11752 /22:15238 /23:16582 /24:111150
/25:459 /26:306 /27:299 /28:214 /29:234 /30:472
/31:0 /32:106
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3786 5051 UUNET Technologies, Inc.
4323 1853 3103 Time Warner Telecom
705 1057 1627 UUNET Technologies, Inc.
18566 923 940 Covad Communications
19029 883 952 New Edge Networks
6197 795 1006 BellSouth Network Solutions,
7018 789 1494 AT&T WorldNet Services
9583 731 902 Sify Limited
11492 612 621 Cable One
2386 605 878 AT&T Data Communications Serv
7046 598 845 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 546 619 AboveNet Communications, Inc.
7011 544 635 Citizens Utilities
2686 527 571 IBM
4766 519 709 Korea Telecom (KIX)
702 483 702 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 12:1639 13:1 15:14
16:3 17:3 18:4 20:43 24:741 25:1
30:2 32:278 38:215 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:47 58:154
59:192 60:185 61:862 62:887 63:3476 64:3538
65:3685 66:3631 67:647 68:677 69:1536 70:361
71:85 72:716 73:23 74:36 80:786 81:629
82:599 83:401 84:400 85:549 86:393 87:361
88:90 89:207 124:280 125:408 128:160 129:190
130:109 131:318 132:33 133:8 134:159 135:46
136:178 137:75 138:203 139:159 140:468 141:136
142:406 143:165 144:224 145:39 146:328 147:140
148:307 149:190 150:114 151:90 152:71 153:107
154:6 155:202 156:100 157:151 158:167 159:170
160:87 161:79 162:247 163:148 164:222 165:207
166:164 167:242 168:609 169:125 170:337 171:14
183:1 190:72 192:5860 193:3373 194:2742 195:1997
196:871 198:4039 199:3289 200:4442 201:943 202:6638
203:6962 204:4074 205:2205 206:2769 207:3523 208:2915
209:4178 210:2061 211:718 212:1385 213:1583 214:359
215:41 216:4493 217:1382 218:290 219:197 220:645
221:362 222:131
End of report
