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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 18 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 211274
Prefixes after maximum aggregation: 109891
Unique aggregates announced to Internet: 96147
Total ASes present in the Internet Routing Table: 23231
Origin-only ASes present in the Internet Routing Table: 20190
Origin ASes announcing only one prefix: 9687
Transit ASes present in the Internet Routing Table: 3041
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 30
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 23
Unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1597296637
Equivalent to 95 /8s, 52 /16s and 207 /24s
Percentage of available address space announced: 43.1
Percentage of allocated address space announced: 61.1
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 109202
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44813
Total APNIC prefixes after maximum aggregation: 17594
Prefixes being announced from the APNIC address blocks: 42304
Unique aggregates announced from the APNIC address blocks: 18324
APNIC Region origin ASes present in the Internet Routing Table: 2713
APNIC Region origin ASes announcing only one prefix: 759
APNIC Region transit ASes present in the Internet Routing Table: 418
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262344320
Equivalent to 15 /8s, 163 /16s and 14 /24s
Percentage of available APNIC address space announced: 82.0
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: 110653
Total ARIN prefixes after maximum aggregation: 60740
Prefixes being announced from the ARIN address blocks: 82418
Unique aggregates announced from the ARIN address blocks: 27698
ARIN Region origin ASes present in the Internet Routing Table: 10996
ARIN Region origin ASes announcing only one prefix: 4147
ARIN Region transit ASes present in the Internet Routing Table: 1022
Average ARIN Region AS path length visible: 3.2
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 298323297
Equivalent to 17 /8s, 200 /16s and 13 /24s
Percentage of available ARIN address space announced: 77.3
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: 41240
Total RIPE prefixes after maximum aggregation: 26807
Prefixes being announced from the RIPE address blocks: 38386
Unique aggregates announced from the RIPE address blocks: 24885
RIPE Region origin ASes present in the Internet Routing Table: 8560
RIPE Region origin ASes announcing only one prefix: 4482
RIPE Region transit ASes present in the Internet Routing Table: 1407
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 266004896
Equivalent to 15 /8s, 218 /16s and 233 /24s
Percentage of available RIPE address space announced: 72.1
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, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 12130
Total LACNIC prefixes after maximum aggregation: 3802
Prefixes being announced from the LACNIC address blocks: 10178
Unique aggregates announced from the LACNIC address blocks: 6095
LACNIC Region origin ASes present in the Internet Routing Table: 727
LACNIC Region origin ASes announcing only one prefix: 249
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 32613120
Equivalent to 1 /8s, 241 /16s and 163 /24s
Percentage of available LACNIC address space announced: 48.6
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: 2416
Total AfriNIC prefixes after maximum aggregation: 948
Prefixes being announced from the AfriNIC address blocks: 1686
Unique aggregates announced from the AfriNIC address blocks: 1018
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 50
AfriNIC Region transit ASes present in the Internet Routing Table: 23
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4247552
Equivalent to 0 /8s, 64 /16s and 208 /24s
Percentage of available AfriNIC address space announced: 12.7
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 1306 8102 240 CHINANET-BACKBONE
4755 987 255 65 Videsh Sanchar Nigam Ltd. Aut
9583 953 109 15 Sify Limited
9498 850 212 70 BHARTI BT INTERNET LTD.
4766 762 4436 310 Korea Telecom (KIX)
1221 648 1780 479 Telstra Pty Ltd
4538 599 2718 32 China Education and Research
7545 536 124 71 TPG Internet Pty Ltd
17488 530 33 12 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 453 85 18 Reliance Infocom Ltd Internet
17849 425 31 128 Telecommunications Technology
4802 414 84 151 Wantree Development
4812 397 741 60 China Telecom (Shanghai)
17974 374 129 12 PT TELEKOMUNIKASI INDONESIA
17557 354 28 166 Pakistan Telecom
7474 351 210 221 SingTel Optus Pty Ltd
2907 341 1734 314 SINET Japan
10139 329 23 6 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1928 427 UUNET - Commercial IP service
3215 393 1816 95 France Telecom Transpac
3301 315 1185 299 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 283 455 266 COLT Telecommunications
24863 267 42 13 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
1257 248 740 168 SWIPnet Swedish IP Network
6746 244 90 223 Dynamic Network Technologies,
5089 242 1657 51 NTL Group Limited
3246 230 470 219 Song Networks
9116 220 133 21 Goldenlines main autonomous s
8708 216 278 203 Romania Data Systems S.A.
3292 207 1137 115 TDC Tele Danmark
3269 204 2262 74 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 201 18 79 SC Kappa Invexim SRL
6830 199 879 43 UPC Distribution Services
8866 182 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4963 6742 771 UUNET Technologies, Inc.
4323 3253 777 295 Time Warner Telecom
7018 1499 6283 964 AT&T WorldNet Services
705 1474 556 645 UUNET Technologies, Inc.
6197 1027 627 483 BellSouth Network Solutions,
2386 1023 569 773 AT&T Data Communications Serv
721 980 21909 306 DLA Systems Automation Center
174 961 6777 896 Cogent Communications
18566 961 272 8 Covad Communications
1239 845 2758 598 Sprint
7046 824 233 679 UUNET Technologies, Inc.
19262 738 2280 189 Verizon Global Networks
20115 738 660 384 Charter Communications
11492 737 90 12 Cable One
209 705 3631 554 Qwest
22773 703 1744 45 Cox Communications, Inc.
7011 666 207 420 Citizens Utilities
852 602 1069 385 Telus Advanced Communications
6478 578 1257 379 AT&T Worldnet Services
19916 565 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3253 2958 Time Warner Telecom
4134 1306 1066 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 953 938 Sify Limited
4755 987 922 Videsh Sanchar Nigam Ltd. Aut
705 1474 829 UUNET Technologies, Inc.
9498 850 780 BHARTI BT INTERNET LTD.
11492 737 725 Cable One
721 980 674 DLA Systems Automation Center
22773 703 658 Cox Communications, Inc.
4538 599 567 China Education and Research
19262 738 549 Verizon Global Networks
6197 1027 544 BellSouth Network Solutions,
7018 1499 535 AT&T WorldNet Services
5668 537 519 CenturyTel Internet Holdings,
17488 530 518 Hathway IP Over Cable Interne
19916 565 511 OLM LLC
855 545 476 Canadian Research Network
7545 536 465 TPG Internet Pty Ltd
2686 560 461 IBM
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
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
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
65016 PRIVATE 212.2.26.64/29 8190 VIATEL
65016 PRIVATE 212.2.31.184/30 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,
65013 PRIVATE 213.235.33.0/27 8190 VIATEL
65017 PRIVATE 213.235.48.96/28 8190 VIATEL
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
192.0.2.0/24 812 Rogers WAVE
192.168.83.0/24 292 Energy Sciences Network
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
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
192.249.0.0/20 3450 University of Tennessee, Knox
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:10 /10:13 /11:31 /12:106
/13:222 /14:387 /15:762 /16:9040 /17:3529 /18:5793
/19:12518 /20:14245 /21:12672 /22:16254 /23:17538 /24:115680
/25:520 /26:509 /27:296 /28:238 /29:229 /30:542
/31:0 /32:121
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3700 4963 UUNET Technologies, Inc.
4323 1940 3253 Time Warner Telecom
18566 944 961 Covad Communications
705 921 1474 UUNET Technologies, Inc.
6197 807 1027 BellSouth Network Solutions,
7018 783 1499 AT&T WorldNet Services
9583 782 953 Sify Limited
2386 743 1023 AT&T Data Communications Serv
11492 725 737 Cable One
7046 580 824 UUNET Technologies, Inc.
4766 572 762 Korea Telecom (KIX)
7011 571 666 Citizens Utilities
19916 559 565 OLM LLC
2686 515 560 IBM
9498 507 850 BHARTI BT INTERNET LTD.
15270 439 470 PaeTec.net -a division of Pae
855 424 545 Canadian Research Network
4755 420 987 Videsh Sanchar Nigam Ltd. Aut
5668 420 537 CenturyTel Internet Holdings,
17849 413 425 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:47 11:1 12:1652 13:1
15:16 16:3 17:3 18:4 20:41 24:826
25:1 32:267 38:256 40:55 41:14 44:3
47:6 52:4 55:1 56:3 57:53 58:241
59:292 60:181 61:917 62:987 63:3376 64:3494
65:3628 66:3894 67:675 68:655 69:1637 70:391
71:98 72:920 74:79 75:7 80:833 81:695
82:614 83:396 84:405 85:666 86:408 87:456
88:180 89:458 121:33 122:14 123:1 124:374
125:636 128:154 129:228 130:118 131:313 132:38
133:10 134:167 135:50 136:178 137:98 138:225
139:148 140:523 141:134 142:382 143:191 144:241
145:42 146:326 147:141 148:356 149:180 150:114
151:121 152:75 153:119 154:6 155:230 156:158
157:180 158:154 159:174 160:102 161:88 162:219
163:167 164:493 165:229 166:240 167:248 168:604
169:129 170:364 171:11 190:207 192:5841 193:3489
194:2799 195:2235 196:937 198:4034 199:3399 200:4437
201:923 202:7086 203:7184 204:4105 205:2203 206:2818
207:3573 208:3051 209:3801 210:2237 211:885 212:1393
213:1498 214:370 215:40 216:4349 217:1330 218:362
219:290 220:791 221:385 222:252
End of report
