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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 10 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 203739
Prefixes after maximum aggregation: 106609
Unique aggregates announced to Internet: 93305
Total ASes present in the Internet Routing Table: 22491
Origin-only ASes present in the Internet Routing Table: 19510
Origin ASes announcing only one prefix: 9322
Transit ASes present in the Internet Routing Table: 2981
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 23
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 35
Unregistered ASNs in the Routing Table: 22
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2026564790
Equivalent to 120 /8s, 202 /16s and 236 /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: 104453
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41930
Total APNIC prefixes after maximum aggregation: 17000
Prefixes being announced from the APNIC address blocks: 39534
Unique aggregates announced from the APNIC address blocks: 18497
APNIC Region origin ASes present in the Internet Routing Table: 2605
APNIC Region origin ASes announcing only one prefix: 741
APNIC Region transit ASes present in the Internet Routing Table: 402
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 290387620
Equivalent to 17 /8s, 78 /16s and 246 /24s
Percentage of available APNIC address space announced: 90.8
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: 108521
Total ARIN prefixes after maximum aggregation: 59338
Prefixes being announced from the ARIN address blocks: 80807
Unique aggregates announced from the ARIN address blocks: 26683
ARIN Region origin ASes present in the Internet Routing Table: 10772
ARIN Region origin ASes announcing only one prefix: 4037
ARIN Region transit ASes present in the Internet Routing Table: 1010
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 293660961
Equivalent to 17 /8s, 128 /16s and 233 /24s
Percentage of available ARIN address space announced: 76.1
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, 39936-40959
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: 39511
Total RIPE prefixes after maximum aggregation: 25668
Prefixes being announced from the RIPE address blocks: 36880
Unique aggregates announced from the RIPE address blocks: 23708
RIPE Region origin ASes present in the Internet Routing Table: 8187
RIPE Region origin ASes announcing only one prefix: 4267
RIPE Region transit ASes present in the Internet Routing Table: 1370
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 252617344
Equivalent to 15 /8s, 14 /16s and 162 /24s
Percentage of available RIPE address space announced: 79.2
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
40960-41983
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: 11501
Total LACNIC prefixes after maximum aggregation: 3694
Prefixes being announced from the LACNIC address blocks: 9612
Unique aggregates announced from the LACNIC address blocks: 5547
LACNIC Region origin ASes present in the Internet Routing Table: 697
LACNIC Region origin ASes announcing only one prefix: 231
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 27304960
Equivalent to 1 /8s, 160 /16s and 164 /24s
Percentage of available LACNIC address space announced: 40.7
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: 2242
Total AfriNIC prefixes after maximum aggregation: 909
Prefixes being announced from the AfriNIC address blocks: 1541
Unique aggregates announced from the AfriNIC address blocks: 961
AfriNIC Region origin ASes present in the Internet Routing Table: 157
AfriNIC Region origin ASes announcing only one prefix: 46
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 4120832
Equivalent to 0 /8s, 62 /16s and 225 /24s
Percentage of available AfriNIC address space announced: 12.3
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 1244 7204 228 CHINANET-BACKBONE
4755 916 257 69 Videsh Sanchar Nigam Ltd. Aut
9583 902 109 16 Sify Limited
4766 715 4436 310 Korea Telecom (KIX)
1221 651 1668 481 Telstra Pty Ltd
9498 571 211 67 BHARTI BT INTERNET LTD.
7545 545 124 71 TPG Internet Pty Ltd
17488 519 32 10 Hathway IP Over Cable Interne
17676 486 7029 110 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
18101 415 85 24 Reliance Infocom Ltd Internet
4538 414 2685 30 China Education and Research
17557 398 31 179 Pakistan Telecom
4802 380 80 169 Wantree Development
9929 373 221 62 China Netcom Corp.
4780 363 225 27 Digital United Inc.
7474 362 211 229 SingTel Optus Pty Ltd
17849 360 22 115 Telecommunications Technology
17974 348 129 14 PT TELEKOMUNIKASI INDONESIA
2907 339 1733 313 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 688 1935 450 UUNET - Commercial IP service
3215 405 1680 93 France Telecom Transpac
3301 305 1327 292 TeliaNet Sweden
3352 305 1644 30 Ibernet, Internet Access Netw
3320 284 3988 238 Deutsche Telekom AG
8220 282 471 266 COLT Telecommunications
680 245 2025 242 DFN-IP service G-WiN
3246 238 505 228 Song Networks
6746 238 90 212 Dynamic Network Technologies,
5089 236 1659 45 NTL Group Limited
8708 217 275 202 Romania Data Systems S.A.
1257 215 740 164 SWIPnet Swedish IP Network
24863 213 42 10 LINKdotNET AS number
3269 201 2182 72 TELECOM ITALIA
8551 200 198 24 Bezeq International
30890 193 17 71 SC Kappa Invexim SRL
8866 180 37 15 Bulgarian Telecommunication C
5400 175 348 141 BT Ignite European Backbone
6830 173 781 36 UPC Distribution Services
786 172 1778 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5056 6752 777 UUNET Technologies, Inc.
4323 3134 740 260 Time Warner Telecom
705 1593 582 710 UUNET Technologies, Inc.
7018 1473 6126 942 AT&T WorldNet Services
721 1015 21998 313 DLA Systems Automation Center
6197 1010 625 471 BellSouth Network Solutions,
174 969 5771 903 Cogent Communications
19029 949 151 109 New Edge Networks
18566 943 272 8 Covad Communications
2386 893 557 687 AT&T Data Communications Serv
1239 849 2788 602 Sprint
7046 845 257 701 UUNET Technologies, Inc.
20115 712 617 386 Charter Communications
19262 710 2103 183 Verizon Global Networks
209 707 3687 551 Qwest
22773 663 1741 40 Cox Communications, Inc.
7011 638 218 415 Citizens Utilities
11492 622 87 22 Cable One
6461 605 227 83 AboveNet Communications, Inc.
852 597 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3134 2874 Time Warner Telecom
4134 1244 1016 CHINANET-BACKBONE
18566 943 935 Covad Communications
9583 902 886 Sify Limited
705 1593 883 UUNET Technologies, Inc.
4755 916 847 Videsh Sanchar Nigam Ltd. Aut
19029 949 840 New Edge Networks
721 1015 702 DLA Systems Automation Center
22773 663 623 Cox Communications, Inc.
11492 622 600 Cable One
6197 1010 539 BellSouth Network Solutions,
7018 1473 531 AT&T WorldNet Services
19262 710 527 Verizon Global Networks
6461 605 522 AboveNet Communications, Inc.
19916 563 509 OLM LLC
17488 519 509 Hathway IP Over Cable Interne
5668 529 506 CenturyTel Internet Holdings,
9498 571 504 BHARTI BT INTERNET LTD.
855 550 486 Canadian Research Network
8151 707 483 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
65000 PRIVATE 64.151.153.0/24 4279 INTERSOURCE
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65101 PRIVATE 84.16.31.0/24 12956 Telefonica Data Auto
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
65011 PRIVATE 135.196.25.176/28 8190 VIATEL
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
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
65000 PRIVATE 199.133.62.0/24 10886 University of Maryla
65000 PRIVATE 199.133.63.0/24 10886 University of Maryla
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
65500 PRIVATE 204.147.94.0/24 57 University of Minnes
65500 PRIVATE 205.215.222.0/24 57 University of Minnes
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
65444 PRIVATE 212.25.125.0/24 8551 Bezeq International
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
192.168.83.0/24 292 Energy Sciences 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
192.172.0.0/19 721 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 /12:92
/13:206 /14:360 /15:708 /16:8881 /17:3310 /18:5477
/19:12006 /20:13606 /21:12068 /22:15461 /23:16725 /24:112587
/25:475 /26:381 /27:285 /28:213 /29:218 /30:456
/31:0 /32:101
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3788 5056 UUNET Technologies, Inc.
4323 1867 3134 Time Warner Telecom
705 1027 1593 UUNET Technologies, Inc.
18566 926 943 Covad Communications
19029 880 949 New Edge Networks
6197 795 1010 BellSouth Network Solutions,
7018 775 1473 AT&T WorldNet Services
9583 732 902 Sify Limited
2386 615 893 AT&T Data Communications Serv
11492 613 622 Cable One
7046 599 845 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 547 638 Citizens Utilities
6461 533 605 AboveNet Communications, Inc.
2686 527 572 IBM
4766 525 715 Korea Telecom (KIX)
702 472 688 UUNET - Commercial IP service
855 424 550 Canadian Research Network
5668 412 529 CenturyTel Internet Holdings,
15270 403 434 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:42 11:1 12:1637 13:1
15:15 16:3 17:3 18:4 20:41 24:738
25:1 30:2 32:278 38:232 40:54 41:3
44:3 47:6 52:4 55:1 56:3 57:46
58:189 59:232 60:191 61:862 62:902 63:3457
64:3536 65:3607 66:3674 67:653 68:669 69:1553
70:378 71:80 72:753 74:41 80:789 81:668
82:655 83:404 84:398 85:562 86:389 87:365
88:97 89:240 124:296 125:494 128:178 129:190
130:117 131:318 132:34 133:9 134:159 135:48
136:178 137:83 138:206 139:160 140:470 141:131
142:405 143:165 144:223 145:40 146:319 147:141
148:319 149:191 150:114 151:94 152:72 153:107
154:6 155:202 156:100 157:149 158:168 159:174
160:89 161:79 162:245 163:149 164:223 165:213
166:168 167:246 168:608 169:125 170:338 171:14
183:1 190:75 192:5870 193:3394 194:2766 195:2073
196:884 198:4047 199:3292 200:4493 201:988 202:6866
203:7127 204:4088 205:2173 206:2787 207:3545 208:2957
209:4185 210:2080 211:730 212:1410 213:1582 214:364
215:40 216:4543 217:1381 218:307 219:267 220:718
221:357 222:168
End of report
