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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 20 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 211225
Prefixes after maximum aggregation: 109933
Unique aggregates announced to Internet: 96190
Total ASes present in the Internet Routing Table: 23237
Origin-only ASes present in the Internet Routing Table: 20237
Origin ASes announcing only one prefix: 9697
Transit ASes present in the Internet Routing Table: 3000
Transit-only ASes present in the Internet Routing Table: 69
Average AS path length visible in the Internet Routing Table: 3.4
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 24
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1598019645
Equivalent to 95 /8s, 63 /16s and 216 /24s
Percentage of available address space announced: 43.1
Percentage of allocated address space announced: 61.2
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 108963
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44921
Total APNIC prefixes after maximum aggregation: 17567
Prefixes being announced from the APNIC address blocks: 42420
Unique aggregates announced from the APNIC address blocks: 18325
APNIC Region origin ASes present in the Internet Routing Table: 2714
APNIC Region origin ASes announcing only one prefix: 763
APNIC Region transit ASes present in the Internet Routing Table: 411
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262462336
Equivalent to 15 /8s, 164 /16s and 219 /24s
Percentage of available APNIC address space announced: 82.1
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: 110466
Total ARIN prefixes after maximum aggregation: 60800
Prefixes being announced from the ARIN address blocks: 82459
Unique aggregates announced from the ARIN address blocks: 27713
ARIN Region origin ASes present in the Internet Routing Table: 11001
ARIN Region origin ASes announcing only one prefix: 4149
ARIN Region transit ASes present in the Internet Routing Table: 1013
Average ARIN Region AS path length visible: 3.0
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 298710625
Equivalent to 17 /8s, 205 /16s and 246 /24s
Percentage of available ARIN address space announced: 77.4
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: 41285
Total RIPE prefixes after maximum aggregation: 26816
Prefixes being announced from the RIPE address blocks: 38421
Unique aggregates announced from the RIPE address blocks: 24896
RIPE Region origin ASes present in the Internet Routing Table: 8564
RIPE Region origin ASes announcing only one prefix: 4490
RIPE Region transit ASes present in the Internet Routing Table: 1391
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 265998560
Equivalent to 15 /8s, 218 /16s and 208 /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: 12132
Total LACNIC prefixes after maximum aggregation: 3806
Prefixes being announced from the LACNIC address blocks: 10141
Unique aggregates announced from the LACNIC address blocks: 6106
LACNIC Region origin ASes present in the Internet Routing Table: 728
LACNIC Region origin ASes announcing only one prefix: 246
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 32632832
Equivalent to 1 /8s, 241 /16s and 240 /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: 2398
Total AfriNIC prefixes after maximum aggregation: 944
Prefixes being announced from the AfriNIC address blocks: 1683
Unique aggregates announced from the AfriNIC address blocks: 1021
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 4240640
Equivalent to 0 /8s, 64 /16s and 181 /24s
Percentage of available AfriNIC address space announced: 12.6
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 1271 8100 238 CHINANET-BACKBONE
4755 989 255 62 Videsh Sanchar Nigam Ltd. Aut
9583 954 109 15 Sify Limited
9498 852 212 71 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 540 124 74 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 498 10933 63 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 453 85 18 Reliance Infocom Ltd Internet
17849 425 31 128 Telecommunications Technology
9942 421 77 125 COMindico Australia
4802 412 84 150 Wantree Development
4812 398 741 61 China Telecom (Shanghai)
17974 374 129 12 PT TELEKOMUNIKASI INDONESIA
7474 353 210 223 SingTel Optus Pty Ltd
17557 353 28 165 Pakistan Telecom
2907 340 1734 313 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1944 428 UUNET - Commercial IP service
3215 394 1832 96 France Telecom Transpac
3301 316 1187 300 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 282 455 265 COLT Telecommunications
24863 269 42 14 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
1257 246 740 170 SWIPnet Swedish IP Network
5089 243 1657 51 NTL Group Limited
6746 237 90 216 Dynamic Network Technologies,
3246 232 470 219 Song Networks
9116 222 133 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 202 18 80 SC Kappa Invexim SRL
6830 199 879 43 UPC Distribution Services
8866 185 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 4966 6757 777 UUNET Technologies, Inc.
4323 3268 777 295 Time Warner Telecom
7018 1523 6286 991 AT&T WorldNet Services
705 1475 556 646 UUNET Technologies, Inc.
2386 1031 570 781 AT&T Data Communications Serv
6197 1028 640 478 BellSouth Network Solutions,
721 979 21909 306 DLA Systems Automation Center
174 973 6793 902 Cogent Communications
18566 961 272 8 Covad Communications
1239 850 2781 598 Sprint
7046 825 233 680 UUNET Technologies, Inc.
19262 739 2296 190 Verizon Global Networks
20115 739 661 384 Charter Communications
11492 738 90 12 Cable One
209 706 3631 556 Qwest
22773 703 1744 43 Cox Communications, Inc.
7011 667 207 421 Citizens Utilities
852 601 1069 385 Telus Advanced Communications
6478 584 1265 381 AT&T Worldnet Services
19916 565 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3268 2973 Time Warner Telecom
4134 1271 1033 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 954 939 Sify Limited
4755 989 927 Videsh Sanchar Nigam Ltd. Aut
705 1475 829 UUNET Technologies, Inc.
9498 852 781 BHARTI BT INTERNET LTD.
11492 738 726 Cable One
721 979 673 DLA Systems Automation Center
22773 703 660 Cox Communications, Inc.
4538 599 567 China Education and Research
6197 1028 550 BellSouth Network Solutions,
19262 739 549 Verizon Global Networks
7018 1523 532 AT&T WorldNet Services
17488 534 522 Hathway IP Over Cable Interne
5668 534 516 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 541 477 Canadian Research Network
7545 540 466 TPG Internet Pty Ltd
2686 561 461 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
65011 PRIVATE 62.245.148.0/26 8767 M"net AS
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 /14:386 /15:764 /16:9048 /17:3539 /18:5795
/19:12515 /20:14237 /21:12664 /22:16258 /23:17688 /24:115511
/25:519 /26:509 /27:292 /28:237 /29:225 /30:541
/31:0 /32:96
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3697 4966 UUNET Technologies, Inc.
4323 1943 3268 Time Warner Telecom
18566 944 961 Covad Communications
705 923 1475 UUNET Technologies, Inc.
6197 807 1028 BellSouth Network Solutions,
7018 790 1523 AT&T WorldNet Services
9583 783 954 Sify Limited
2386 749 1031 AT&T Data Communications Serv
11492 726 738 Cable One
7046 579 825 UUNET Technologies, Inc.
4766 572 762 Korea Telecom (KIX)
7011 572 667 Citizens Utilities
19916 559 565 OLM LLC
2686 516 561 IBM
9498 507 852 BHARTI BT INTERNET LTD.
15270 439 470 PaeTec.net -a division of Pae
855 425 541 Canadian Research Network
4755 424 989 Videsh Sanchar Nigam Ltd. Aut
5668 417 534 CenturyTel Internet Holdings,
1239 413 850 Sprint
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:48 12:1665 13:1 15:16
16:3 17:3 18:4 20:41 24:828 25:1
32:266 38:256 40:55 41:16 44:3 47:6
52:4 55:1 56:3 57:53 58:242 59:295
60:159 61:919 62:986 63:3382 64:3496 65:3626
66:3877 67:662 68:655 69:1654 70:393 71:89
72:921 74:79 75:7 80:831 81:693 82:613
83:360 84:417 85:672 86:405 87:461 88:187
89:467 121:36 122:14 123:1 124:371 125:640
128:150 129:230 130:118 131:313 132:38 133:10
134:167 135:50 136:178 137:98 138:225 139:135
140:524 141:135 142:383 143:191 144:241 145:42
146:326 147:141 148:359 149:180 150:114 151:121
152:79 153:119 154:6 155:231 156:158 157:197
158:155 159:175 160:98 161:88 162:218 163:167
164:277 165:229 166:236 167:250 168:603 169:129
170:364 171:11 190:207 192:5845 193:3489 194:2804
195:2248 196:941 198:4033 199:3391 200:4428 201:924
202:7082 203:7185 204:4092 205:2215 206:2836 207:3582
208:3053 209:3803 210:2240 211:883 212:1403 213:1499
214:378 215:40 216:4348 217:1332 218:359 219:290
220:791 221:386 222:252
End of report
