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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 17 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205573
Prefixes after maximum aggregation: 107697
Unique aggregates announced to Internet: 94146
Total ASes present in the Internet Routing Table: 22771
Origin-only ASes present in the Internet Routing Table: 19725
Origin ASes announcing only one prefix: 9465
Transit ASes present in the Internet Routing Table: 3046
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 20
Unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1548664533
Equivalent to 92 /8s, 78 /16s and 190 /24s
Percentage of available address space announced: 41.8
Percentage of allocated address space announced: 60.4
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 105439
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42631
Total APNIC prefixes after maximum aggregation: 17190
Prefixes being announced from the APNIC address blocks: 40244
Unique aggregates announced from the APNIC address blocks: 18446
APNIC Region origin ASes present in the Internet Routing Table: 2637
APNIC Region origin ASes announcing only one prefix: 743
APNIC Region transit ASes present in the Internet Routing Table: 405
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 235652292
Equivalent to 14 /8s, 11 /16s and 196 /24s
Percentage of available APNIC address space announced: 73.7
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: 108704
Total ARIN prefixes after maximum aggregation: 59729
Prefixes being announced from the ARIN address blocks: 80934
Unique aggregates announced from the ARIN address blocks: 27035
ARIN Region origin ASes present in the Internet Routing Table: 10878
ARIN Region origin ASes announcing only one prefix: 4096
ARIN Region transit ASes present in the Internet Routing Table: 1045
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 296055841
Equivalent to 17 /8s, 165 /16s and 116 /24s
Percentage of available ARIN address space announced: 76.7
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: 39849
Total RIPE prefixes after maximum aggregation: 26083
Prefixes being announced from the RIPE address blocks: 37253
Unique aggregates announced from the RIPE address blocks: 24094
RIPE Region origin ASes present in the Internet Routing Table: 8309
RIPE Region origin ASes announcing only one prefix: 4343
RIPE Region transit ASes present in the Internet Routing Table: 1391
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 260247424
Equivalent to 15 /8s, 131 /16s and 15 /24s
Percentage of available RIPE address space announced: 81.6
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: 11993
Total LACNIC prefixes after maximum aggregation: 3779
Prefixes being announced from the LACNIC address blocks: 10033
Unique aggregates announced from the LACNIC address blocks: 5684
LACNIC Region origin ASes present in the Internet Routing Table: 707
LACNIC Region origin ASes announcing only one prefix: 238
LACNIC Region transit ASes present in the Internet Routing Table: 141
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 31135488
Equivalent to 1 /8s, 219 /16s and 23 /24s
Percentage of available LACNIC address space announced: 46.4
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: 2377
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1577
Unique aggregates announced from the AfriNIC address blocks: 939
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4183552
Equivalent to 0 /8s, 63 /16s and 214 /24s
Percentage of available AfriNIC address space announced: 12.5
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 1176 6669 225 CHINANET-BACKBONE
4755 944 255 67 Videsh Sanchar Nigam Ltd. Aut
9583 914 109 15 Sify Limited
9498 769 211 71 BHARTI BT INTERNET LTD.
4766 715 4435 309 Korea Telecom (KIX)
1221 645 1779 477 Telstra Pty Ltd
7545 551 124 74 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 511 2715 30 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 427 85 23 Reliance Infocom Ltd Internet
17974 405 129 14 PT TELEKOMUNIKASI INDONESIA
17849 398 28 124 Telecommunications Technology
9929 397 268 61 China Netcom Corp.
17557 383 30 172 Pakistan Telecom
4802 379 81 168 Wantree Development
7474 357 211 230 SingTel Optus Pty Ltd
2907 335 1733 308 SINET Japan
4804 310 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 642 1932 442 UUNET - Commercial IP service
3215 404 1760 97 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3352 304 1637 32 Ibernet, Internet Access Netw
3320 284 5012 233 Deutsche Telekom AG
8220 284 471 267 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 233 89 210 Dynamic Network Technologies,
3246 232 463 222 Song Networks
5089 230 1657 44 NTL Group Limited
1257 220 741 164 SWIPnet Swedish IP Network
24863 218 42 10 LINKdotNET AS number
8708 212 275 201 Romania Data Systems S.A.
8551 209 198 29 Bezeq International
30890 207 19 81 SC Kappa Invexim SRL
3269 201 2182 72 TELECOM ITALIA
8866 188 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
3300 172 171 98 AUCS Communications Services
786 170 1778 170 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5022 6753 777 UUNET Technologies, Inc.
4323 3180 746 274 Time Warner Telecom
705 1530 561 672 UUNET Technologies, Inc.
7018 1469 6206 938 AT&T WorldNet Services
6197 1015 635 479 BellSouth Network Solutions,
721 1013 21918 308 DLA Systems Automation Center
18566 947 272 8 Covad Communications
174 933 5688 879 Cogent Communications
2386 919 558 708 AT&T Data Communications Serv
1239 853 2786 604 Sprint
7046 834 252 690 UUNET Technologies, Inc.
19262 720 2142 185 Verizon Global Networks
20115 716 622 382 Charter Communications
209 692 3647 545 Qwest
22773 674 1741 40 Cox Communications, Inc.
11492 657 89 11 Cable One
7011 648 218 412 Citizens Utilities
6461 612 228 83 AboveNet Communications, Inc.
6198 599 556 236 BellSouth Network Solutions,
852 594 1068 378 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3180 2906 Time Warner Telecom
4134 1176 951 CHINANET-BACKBONE
18566 947 939 Covad Communications
9583 914 899 Sify Limited
4755 944 877 Videsh Sanchar Nigam Ltd. Aut
705 1530 858 UUNET Technologies, Inc.
721 1013 705 DLA Systems Automation Center
9498 769 698 BHARTI BT INTERNET LTD.
11492 657 646 Cable One
22773 674 634 Cox Communications, Inc.
6197 1015 536 BellSouth Network Solutions,
19262 720 535 Verizon Global Networks
7018 1469 531 AT&T WorldNet Services
6461 612 529 AboveNet Communications, Inc.
5668 533 510 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 519 502 Hathway IP Over Cable Interne
855 568 499 Canadian Research Network
4538 511 481 China Education and Research
7545 551 477 TPG Internet Pty Ltd
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
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
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
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 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 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
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
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 /8:18 /9:9 /10:11 /11:28 /12:93
/13:205 /14:366 /15:726 /16:8911 /17:3353 /18:5565
/19:12135 /20:13844 /21:12264 /22:15622 /23:16945 /24:113317
/25:447 /26:364 /27:283 /28:208 /29:228 /30:516
/31:0 /32:115
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3775 5022 UUNET Technologies, Inc.
4323 1886 3180 Time Warner Telecom
705 973 1530 UUNET Technologies, Inc.
18566 930 947 Covad Communications
6197 795 1015 BellSouth Network Solutions,
7018 778 1469 AT&T WorldNet Services
9583 744 914 Sify Limited
11492 645 657 Cable One
2386 635 919 AT&T Data Communications Serv
7046 589 834 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 556 648 Citizens Utilities
6461 540 612 AboveNet Communications, Inc.
4766 526 715 Korea Telecom (KIX)
2686 513 558 IBM
855 447 568 Canadian Research Network
6198 443 599 BellSouth Network Solutions,
9498 431 769 BHARTI BT INTERNET LTD.
702 429 642 UUNET - Commercial IP service
5668 416 533 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:43 11:1 12:1629 13:1
15:15 16:3 17:3 18:4 20:41 24:783
25:1 30:2 32:264 38:234 40:54 41:7
44:3 47:6 52:4 55:1 56:3 57:48
58:201 59:279 60:194 61:873 62:942 63:3417
64:3592 65:3663 66:3752 67:641 68:678 69:1570
70:390 71:86 72:821 74:56 75:1 80:788
81:678 82:685 83:396 84:397 85:580 86:409
87:410 88:117 89:338 91:1 121:3 122:3
123:1 124:279 125:555 128:166 129:183 130:120
131:313 132:35 133:9 134:159 135:49 136:177
137:84 138:206 139:139 140:490 141:135 142:406
143:169 144:230 145:40 146:317 147:142 148:341
149:194 150:114 151:96 152:73 153:108 154:6
155:205 156:187 157:145 158:166 159:173 160:93
161:80 162:246 163:160 164:287 165:229 166:174
167:243 168:614 169:125 170:353 171:14 183:1
190:88 192:5812 193:3363 194:2760 195:2123 196:882
198:4096 199:3359 200:4629 201:971 202:6872 203:7133
204:4073 205:2178 206:2793 207:3564 208:3006 209:3811
210:2134 211:757 212:1362 213:1582 214:366 215:41
216:4365 217:1394 218:314 219:252 220:735 221:351
222:199
End of report
