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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 12 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 210950
Prefixes after maximum aggregation: 109669
Unique aggregates announced to Internet: 95581
Total ASes present in the Internet Routing Table: 23162
Origin-only ASes present in the Internet Routing Table: 20103
Origin ASes announcing only one prefix: 9642
Transit ASes present in the Internet Routing Table: 3059
Transit-only ASes present in the Internet Routing Table: 71
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: 25
Unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1589965949
Equivalent to 94 /8s, 196 /16s and 244 /24s
Percentage of available address space announced: 42.9
Percentage of allocated address space announced: 60.9
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 108912
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44761
Total APNIC prefixes after maximum aggregation: 17549
Prefixes being announced from the APNIC address blocks: 42278
Unique aggregates announced from the APNIC address blocks: 18332
APNIC Region origin ASes present in the Internet Routing Table: 2707
APNIC Region origin ASes announcing only one prefix: 759
APNIC Region transit ASes present in the Internet Routing Table: 424
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 262139136
Equivalent to 15 /8s, 159 /16s and 237 /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: 110473
Total ARIN prefixes after maximum aggregation: 60615
Prefixes being announced from the ARIN address blocks: 82443
Unique aggregates announced from the ARIN address blocks: 27701
ARIN Region origin ASes present in the Internet Routing Table: 10977
ARIN Region origin ASes announcing only one prefix: 4138
ARIN Region transit ASes present in the Internet Routing Table: 1035
Average ARIN Region AS path length visible: 3.0
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 296918113
Equivalent to 17 /8s, 178 /16s and 156 /24s
Percentage of available ARIN address space announced: 76.9
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: 41051
Total RIPE prefixes after maximum aggregation: 26746
Prefixes being announced from the RIPE address blocks: 38190
Unique aggregates announced from the RIPE address blocks: 24738
RIPE Region origin ASes present in the Internet Routing Table: 8524
RIPE Region origin ASes announcing only one prefix: 4456
RIPE Region transit ASes present in the Internet Routing Table: 1415
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 263783072
Equivalent to 15 /8s, 185 /16s and 2 /24s
Percentage of available RIPE address space announced: 71.5
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: 12220
Total LACNIC prefixes after maximum aggregation: 3819
Prefixes being announced from the LACNIC address blocks: 10247
Unique aggregates announced from the LACNIC address blocks: 5958
LACNIC Region origin ASes present in the Internet Routing Table: 721
LACNIC Region origin ASes announcing only one prefix: 240
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: 24
Number of LACNIC addresses announced to Internet: 32395008
Equivalent to 1 /8s, 238 /16s and 79 /24s
Percentage of available LACNIC address space announced: 48.3
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: 2421
Total AfriNIC prefixes after maximum aggregation: 940
Prefixes being announced from the AfriNIC address blocks: 1680
Unique aggregates announced from the AfriNIC address blocks: 1014
AfriNIC Region origin ASes present in the Internet Routing Table: 162
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: 3.6
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4246784
Equivalent to 0 /8s, 64 /16s and 205 /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 1305 8111 240 CHINANET-BACKBONE
4755 983 255 65 Videsh Sanchar Nigam Ltd. Aut
9583 956 109 15 Sify Limited
9498 850 212 71 BHARTI BT INTERNET LTD.
4766 762 4436 310 Korea Telecom (KIX)
1221 644 1780 476 Telstra Pty Ltd
4538 600 2718 32 China Education and Research
7545 539 124 74 TPG Internet Pty Ltd
17488 529 33 11 Hathway IP Over Cable Interne
17676 498 10933 62 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 448 85 18 Reliance Infocom Ltd Internet
17849 425 31 128 Telecommunications Technology
4802 410 84 149 Wantree Development
4812 395 732 60 China Telecom (Shanghai)
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
17557 358 29 171 Pakistan Telecom
7474 356 210 225 SingTel Optus Pty Ltd
2907 340 1734 313 SINET Japan
10139 325 23 6 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 551 1944 433 UUNET - Commercial IP service
3215 390 1760 98 France Telecom Transpac
3301 316 1187 300 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 283 471 266 COLT Telecommunications
24863 268 42 14 LINKdotNET AS number
1257 266 742 184 SWIPnet Swedish IP Network
680 248 2041 244 DFN-IP service G-WiN
5089 244 1657 51 NTL Group Limited
6746 241 90 220 Dynamic Network Technologies,
3246 229 469 218 Song Networks
9116 221 134 23 Goldenlines main autonomous s
8708 216 278 203 Romania Data Systems S.A.
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 199 18 81 SC Kappa Invexim SRL
6830 195 879 43 UPC Distribution Services
8866 183 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
3300 174 171 95 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4980 6775 780 UUNET Technologies, Inc.
4323 3242 777 293 Time Warner Telecom
7018 1487 6267 965 AT&T WorldNet Services
705 1476 556 647 UUNET Technologies, Inc.
2386 1028 569 777 AT&T Data Communications Serv
6197 1028 640 479 BellSouth Network Solutions,
721 967 21909 306 DLA Systems Automation Center
18566 961 272 8 Covad Communications
174 936 5769 876 Cogent Communications
1239 852 2781 602 Sprint
7046 827 234 676 UUNET Technologies, Inc.
20115 742 664 387 Charter Communications
19262 741 2296 190 Verizon Global Networks
11492 735 90 12 Cable One
22773 694 1743 40 Cox Communications, Inc.
209 691 3631 545 Qwest
7011 667 208 421 Citizens Utilities
852 602 1068 384 Telus Advanced Communications
19916 565 49 54 OLM LLC
2686 559 4321 98 IBM
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3242 2949 Time Warner Telecom
4134 1305 1065 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 956 941 Sify Limited
4755 983 918 Videsh Sanchar Nigam Ltd. Aut
705 1476 829 UUNET Technologies, Inc.
9498 850 779 BHARTI BT INTERNET LTD.
11492 735 723 Cable One
721 967 661 DLA Systems Automation Center
22773 694 654 Cox Communications, Inc.
4538 600 568 China Education and Research
19262 741 551 Verizon Global Networks
6197 1028 549 BellSouth Network Solutions,
7018 1487 522 AT&T WorldNet Services
5668 537 519 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
19916 565 511 OLM LLC
855 550 477 Canadian Research Network
7545 539 465 TPG Internet Pty Ltd
2686 559 461 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
64857 PRIVATE 89.185.188.0/24 39847 C@P CONNEXION
64857 PRIVATE 89.185.189.0/24 39847 C@P CONNEXION
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
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
169.254.0.0/16 8895 KACST/ISU Riyadh Autonomous S
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 8895 KACST/ISU Riyadh Autonomous S
192.168.83.0/24 292 Energy Sciences Network
198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
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
170.0.0.0/24 4696 HITS
170.0.0.0/8 4696 HITS
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 /8:20 /9:9 /10:13 /11:31 /12:105
/13:219 /14:383 /15:748 /16:9012 /17:3518 /18:5769
/19:12463 /20:14204 /21:12629 /22:16213 /23:17439 /24:115841
/25:502 /26:493 /27:286 /28:223 /29:200 /30:513
/31:0 /32:117
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3704 4980 UUNET Technologies, Inc.
4323 1930 3242 Time Warner Telecom
18566 944 961 Covad Communications
705 923 1476 UUNET Technologies, Inc.
6197 808 1028 BellSouth Network Solutions,
9583 786 956 Sify Limited
7018 778 1487 AT&T WorldNet Services
2386 747 1028 AT&T Data Communications Serv
11492 723 735 Cable One
7046 583 827 UUNET Technologies, Inc.
4766 572 762 Korea Telecom (KIX)
7011 572 667 Citizens Utilities
19916 559 565 OLM LLC
2686 514 559 IBM
9498 506 850 BHARTI BT INTERNET LTD.
15270 438 469 PaeTec.net -a division of Pae
855 424 550 Canadian Research Network
5668 420 537 CenturyTel Internet Holdings,
4755 416 983 Videsh Sanchar Nigam Ltd. Aut
17849 413 425 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:46 11:1 12:1632 13:1
15:16 16:4 17:4 18:4 20:41 24:826
25:1 32:269 34:1 38:254 40:55 41:17
44:3 47:6 52:4 55:1 56:3 57:53
58:238 59:297 60:180 61:912 62:981 63:3377
64:3498 65:3625 66:3907 67:666 68:652 69:1632
70:388 71:90 72:907 74:79 75:7 80:843
81:698 82:672 83:389 84:409 85:651 86:370
87:455 88:175 89:447 121:32 122:5 123:1
124:368 125:635 128:150 129:228 130:119 131:314
132:38 133:9 134:163 135:48 136:179 137:98
138:224 139:134 140:520 141:135 142:382 143:192
144:240 145:42 146:326 147:141 148:359 149:180
150:113 151:127 152:79 153:117 154:6 155:221
156:172 157:179 158:165 159:174 160:102 161:88
162:218 163:167 164:492 165:228 166:235 167:244
168:600 169:129 170:362 171:11 190:196 192:5840
193:3481 194:2791 195:2222 196:928 198:4040 199:3396
200:4604 201:881 202:7036 203:7190 204:4104 205:2242
206:2831 207:3596 208:3050 209:3844 210:2257 211:906
212:1388 213:1505 214:368 215:41 216:4390 217:1335
218:360 219:291 220:797 221:387 222:256
End of report
