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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 26 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 202072
Prefixes after maximum aggregation: 106122
Unique aggregates announced to Internet: 90576
Total ASes present in the Internet Routing Table: 22373
Origin-only ASes present in the Internet Routing Table: 19397
Origin ASes announcing only one prefix: 9267
Transit ASes present in the Internet Routing Table: 2976
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 20
Max AS path prepend of ASN (32609) 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: 5
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2023609014
Equivalent to 120 /8s, 157 /16s and 210 /24s
Percentage of available address space announced: 54.6
Percentage of allocated address space announced: 79.0
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 103771
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40760
Total APNIC prefixes after maximum aggregation: 16861
Prefixes being announced from the APNIC address blocks: 38379
Unique aggregates announced from the APNIC address blocks: 18371
APNIC Region origin ASes present in the Internet Routing Table: 2578
APNIC Region origin ASes announcing only one prefix: 732
APNIC Region transit ASes present in the Internet Routing Table: 403
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 289540261
Equivalent to 17 /8s, 66 /16s and 8 /24s
Percentage of available APNIC address space announced: 90.5
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: 108347
Total ARIN prefixes after maximum aggregation: 59194
Prefixes being announced from the ARIN address blocks: 80631
Unique aggregates announced from the ARIN address blocks: 24319
ARIN Region origin ASes present in the Internet Routing Table: 10748
ARIN Region origin ASes announcing only one prefix: 4027
ARIN Region transit ASes present in the Internet Routing Table: 1012
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 294048289
Equivalent to 17 /8s, 134 /16s and 210 /24s
Percentage of available ARIN address space announced: 76.2
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: 39343
Total RIPE prefixes after maximum aggregation: 25499
Prefixes being announced from the RIPE address blocks: 36763
Unique aggregates announced from the RIPE address blocks: 23551
RIPE Region origin ASes present in the Internet Routing Table: 8123
RIPE Region origin ASes announcing only one prefix: 4230
RIPE Region transit ASes present in the Internet Routing Table: 1360
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 250477440
Equivalent to 14 /8s, 237 /16s and 251 /24s
Percentage of available RIPE address space announced: 78.6
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: 11378
Total LACNIC prefixes after maximum aggregation: 3662
Prefixes being announced from the LACNIC address blocks: 9488
Unique aggregates announced from the LACNIC address blocks: 5536
LACNIC Region origin ASes present in the Internet Routing Table: 691
LACNIC Region origin ASes announcing only one prefix: 229
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 27183872
Equivalent to 1 /8s, 158 /16s and 203 /24s
Percentage of available LACNIC address space announced: 40.5
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: 2216
Total AfriNIC prefixes after maximum aggregation: 906
Prefixes being announced from the AfriNIC address blocks: 1527
Unique aggregates announced from the AfriNIC address blocks: 951
AfriNIC Region origin ASes present in the Internet Routing Table: 160
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: 3.7
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 4097536
Equivalent to 0 /8s, 62 /16s and 134 /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 1187 7090 221 CHINANET-BACKBONE
9583 910 109 16 Sify Limited
4755 892 257 68 Videsh Sanchar Nigam Ltd. Aut
4766 711 4436 310 Korea Telecom (KIX)
1221 652 1668 481 Telstra Pty Ltd
9498 562 211 66 BHARTI BT INTERNET LTD.
7545 533 124 70 TPG Internet Pty Ltd
17488 514 32 9 Hathway IP Over Cable Interne
17676 486 7029 110 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
18101 411 85 24 Reliance Infocom Ltd Internet
4802 380 80 176 Wantree Development
9929 372 220 61 China Netcom Corp.
17557 365 29 168 Pakistan Telecom
4780 363 226 28 Digital United Inc.
7474 362 211 230 SingTel Optus Pty Ltd
17849 353 22 115 Telecommunications Technology
17974 345 118 17 PT TELEKOMUNIKASI INDONESIA
2907 339 1749 313 SINET Japan
4804 304 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 700 1936 453 UUNET - Commercial IP service
3215 414 1664 94 France Telecom Transpac
3301 308 1072 294 TeliaNet Sweden
3352 308 1644 30 Ibernet, Internet Access Netw
8220 301 473 270 COLT Telecommunications
3320 285 3988 239 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
5089 237 1659 45 NTL Group Limited
3246 236 504 226 Song Networks
6746 236 89 210 Dynamic Network Technologies,
1257 221 740 169 SWIPnet Swedish IP Network
8708 219 276 202 Romania Data Systems S.A.
24863 213 42 10 LINKdotNET AS number
8551 200 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
8764 192 65 32 LIETUVOS-TELEKOMAS Autonomous
30890 190 17 67 SC Kappa Invexim SRL
8866 181 37 16 Bulgarian Telecommunication C
5400 175 348 141 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 5055 6780 777 UUNET Technologies, Inc.
4323 3107 737 255 Time Warner Telecom
705 1626 596 712 UUNET Technologies, Inc.
7018 1481 6176 951 AT&T WorldNet Services
6197 1006 622 473 BellSouth Network Solutions,
721 1001 21977 306 DLA Systems Automation Center
174 958 5788 901 Cogent Communications
19029 951 151 110 New Edge Networks
18566 940 272 8 Covad Communications
2386 884 522 680 AT&T Data Communications Serv
7046 849 257 706 UUNET Technologies, Inc.
1239 848 2813 601 Sprint
19262 705 2106 170 Verizon Global Networks
20115 705 614 380 Charter Communications
209 703 3685 548 Qwest
22773 661 1743 41 Cox Communications, Inc.
7011 636 218 414 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 3107 2852 Time Warner Telecom
4134 1187 966 CHINANET-BACKBONE
18566 940 932 Covad Communications
705 1626 914 UUNET Technologies, Inc.
9583 910 894 Sify Limited
19029 951 841 New Edge Networks
4755 892 824 Videsh Sanchar Nigam Ltd. Aut
721 1001 695 DLA Systems Automation Center
22773 661 620 Cox Communications, Inc.
11492 621 600 Cable One
19262 705 535 Verizon Global Networks
6461 619 535 AboveNet Communications, Inc.
6197 1006 533 BellSouth Network Solutions,
7018 1481 530 AT&T WorldNet Services
19916 563 509 OLM LLC
5668 529 506 CenturyTel Internet Holdings,
17488 514 505 Hathway IP Over Cable Interne
9498 562 496 BHARTI BT INTERNET LTD.
855 553 489 Canadian Research Network
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
36814 UNALLOCATED 65.69.244.0/22 7132 SBC Internet Service
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
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
64650 PRIVATE 193.27.78.0/23 31216 BSOCOM Network
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
64650 PRIVATE 194.116.202.0/23 31216 BSOCOM Network
64650 PRIVATE 194.126.245.0/24 31216 BSOCOM Network
64650 PRIVATE 194.165.45.0/24 31216 BSOCOM Network
64650 PRIVATE 195.14.27.0/24 31216 BSOCOM Network
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
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
10.3.88.0/24 21240 HeliosNet Autonomous System
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
192.172.0.0/19 721 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
/13:206 /14:360 /15:710 /16:8846 /17:3285 /18:5467
/19:11950 /20:13493 /21:11841 /22:15268 /23:16619 /24:111693
/25:444 /26:327 /27:295 /28:222 /29:240 /30:482
/31:0 /32:109
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3790 5055 UUNET Technologies, Inc.
4323 1854 3107 Time Warner Telecom
705 1057 1626 UUNET Technologies, Inc.
18566 923 940 Covad Communications
19029 882 951 New Edge Networks
6197 794 1006 BellSouth Network Solutions,
7018 782 1481 AT&T WorldNet Services
9583 739 910 Sify Limited
11492 612 621 Cable One
2386 610 884 AT&T Data Communications Serv
7046 602 849 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 546 619 AboveNet Communications, Inc.
7011 545 636 Citizens Utilities
2686 525 570 IBM
4766 521 711 Korea Telecom (KIX)
702 482 700 UUNET - Commercial IP service
855 427 553 Canadian Research Network
5668 413 529 CenturyTel Internet Holdings,
15270 400 431 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:41 10:1 12:1643 13:1
15:14 16:3 17:3 18:4 20:43 24:738
25:1 30:2 32:278 38:219 40:54 41:3
44:3 47:6 52:4 55:1 56:3 57:47
58:177 59:209 60:180 61:862 62:890 63:3479
64:3554 65:3680 66:3641 67:650 68:673 69:1537
70:363 71:87 72:722 73:23 74:38 80:792
81:663 82:676 83:396 84:402 85:596 86:399
87:344 88:122 89:221 124:288 125:408 128:159
129:190 130:116 131:317 132:34 133:8 134:158
135:48 136:178 137:76 138:208 139:159 140:469
141:130 142:407 143:165 144:220 145:39 146:329
147:141 148:310 149:190 150:114 151:90 152:72
153:107 154:6 155:202 156:100 157:151 158:167
159:177 160:89 161:79 162:246 163:147 164:218
165:212 166:165 167:245 168:608 169:128 170:337
171:14 183:1 190:73 192:5858 193:3384 194:2754
195:2040 196:873 198:4035 199:3293 200:4443 201:945
202:6641 203:7024 204:4063 205:2196 206:2779 207:3523
208:2946 209:4176 210:2050 211:705 212:1400 213:1601
214:362 215:40 216:4483 217:1393 218:304 219:202
220:699 221:358 222:131
End of report
