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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 20 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 209511
Prefixes after maximum aggregation: 109041
Unique aggregates announced to Internet: 95572
Total ASes present in the Internet Routing Table: 22966
Origin-only ASes present in the Internet Routing Table: 19931
Origin ASes announcing only one prefix: 9530
Transit ASes present in the Internet Routing Table: 3035
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 30
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 62
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 7
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1575254845
Equivalent to 93 /8s, 228 /16s and 123 /24s
Percentage of available address space announced: 42.5
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 108136
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44249
Total APNIC prefixes after maximum aggregation: 17650
Prefixes being announced from the APNIC address blocks: 41831
Unique aggregates announced from the APNIC address blocks: 18801
APNIC Region origin ASes present in the Internet Routing Table: 2687
APNIC Region origin ASes announcing only one prefix: 759
APNIC Region transit ASes present in the Internet Routing Table: 413
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 26
Number of APNIC addresses announced to Internet: 260524420
Equivalent to 15 /8s, 135 /16s and 73 /24s
Percentage of available APNIC address space announced: 81.5
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: 110009
Total ARIN prefixes after maximum aggregation: 60236
Prefixes being announced from the ARIN address blocks: 82063
Unique aggregates announced from the ARIN address blocks: 27386
ARIN Region origin ASes present in the Internet Routing Table: 10923
ARIN Region origin ASes announcing only one prefix: 4109
ARIN Region transit ASes present in the Internet Routing Table: 1023
Average ARIN Region AS path length visible: 3.2
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 295515745
Equivalent to 17 /8s, 157 /16s and 54 /24s
Percentage of available ARIN address space announced: 76.6
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: 40573
Total RIPE prefixes after maximum aggregation: 26477
Prefixes being announced from the RIPE address blocks: 37882
Unique aggregates announced from the RIPE address blocks: 24442
RIPE Region origin ASes present in the Internet Routing Table: 8411
RIPE Region origin ASes announcing only one prefix: 4379
RIPE Region transit ASes present in the Internet Routing Table: 1404
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 261818592
Equivalent to 15 /8s, 155 /16s and 8 /24s
Percentage of available RIPE address space announced: 82.1
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, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 12261
Total LACNIC prefixes after maximum aggregation: 3734
Prefixes being announced from the LACNIC address blocks: 10319
Unique aggregates announced from the LACNIC address blocks: 5945
LACNIC Region origin ASes present in the Internet Routing Table: 712
LACNIC Region origin ASes announcing only one prefix: 238
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 32118528
Equivalent to 1 /8s, 234 /16s and 23 /24s
Percentage of available LACNIC address space announced: 47.9
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: 2358
Total AfriNIC prefixes after maximum aggregation: 944
Prefixes being announced from the AfriNIC address blocks: 1647
Unique aggregates announced from the AfriNIC address blocks: 987
AfriNIC Region origin ASes present in the Internet Routing Table: 160
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: 16
Number of AfriNIC addresses announced to Internet: 4209152
Equivalent to 0 /8s, 64 /16s and 58 /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 1299 7973 237 CHINANET-BACKBONE
4755 963 255 62 Videsh Sanchar Nigam Ltd. Aut
9583 944 109 15 Sify Limited
9498 789 211 71 BHARTI BT INTERNET LTD.
4766 727 4435 307 Korea Telecom (KIX)
1221 649 1779 479 Telstra Pty Ltd
4538 604 2717 31 China Education and Research
7545 543 124 72 TPG Internet Pty Ltd
17488 522 32 18 Hathway IP Over Cable Interne
17676 492 10613 96 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 440 85 22 Reliance Infocom Ltd Internet
4812 412 739 59 China Telecom (Shanghai)
17849 412 30 123 Telecommunications Technology
17974 374 129 12 PT TELEKOMUNIKASI INDONESIA
17557 360 29 165 Pakistan Telecom
7474 359 211 230 SingTel Optus Pty Ltd
4802 356 84 151 Wantree Development
2907 339 1733 312 SINET Japan
4837 318 3523 136 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 561 1947 441 UUNET - Commercial IP service
3215 399 1760 97 France Telecom Transpac
3301 315 1186 300 TeliaNet Sweden
3320 298 5013 241 Deutsche Telekom AG
8220 286 471 269 COLT Telecommunications
24863 253 42 10 LINKdotNET AS number
1257 249 744 168 SWIPnet Swedish IP Network
680 248 2041 244 DFN-IP service G-WiN
6746 244 91 222 Dynamic Network Technologies,
5089 235 1659 50 NTL Group Limited
3246 233 462 223 Song Networks
8708 216 278 203 Romania Data Systems S.A.
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 202 18 83 SC Kappa Invexim SRL
6830 195 879 43 UPC Distribution Services
5416 181 12 7 BATELCO-BH
8866 177 37 15 Bulgarian Telecommunication C
3300 175 171 96 AUCS Communications Services
786 172 1779 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5000 6782 787 UUNET Technologies, Inc.
4323 3209 732 281 Time Warner Telecom
705 1483 557 649 UUNET Technologies, Inc.
7018 1476 6251 948 AT&T WorldNet Services
174 1130 5770 890 Cogent Communications
6197 1018 636 478 BellSouth Network Solutions,
721 1003 21942 310 DLA Systems Automation Center
18566 956 272 8 Covad Communications
2386 951 560 716 AT&T Data Communications Serv
1239 839 2796 596 Sprint
7046 821 251 680 UUNET Technologies, Inc.
20115 734 658 383 Charter Communications
19262 731 2224 185 Verizon Global Networks
11492 725 90 16 Cable One
22773 699 1744 46 Cox Communications, Inc.
209 679 3638 534 Qwest
7011 671 225 425 Citizens Utilities
852 601 1068 383 Telus Advanced Communications
6461 601 221 88 AboveNet Communications, Inc.
19916 563 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3209 2928 Time Warner Telecom
4134 1299 1062 CHINANET-BACKBONE
18566 956 948 Covad Communications
9583 944 929 Sify Limited
4755 963 901 Videsh Sanchar Nigam Ltd. Aut
705 1483 834 UUNET Technologies, Inc.
9498 789 718 BHARTI BT INTERNET LTD.
11492 725 709 Cable One
721 1003 693 DLA Systems Automation Center
22773 699 653 Cox Communications, Inc.
4538 604 573 China Education and Research
8151 786 558 UniNet S.A. de C.V.
19262 731 546 Verizon Global Networks
6197 1018 540 BellSouth Network Solutions,
7018 1476 528 AT&T WorldNet Services
5668 532 514 CenturyTel Internet Holdings,
6461 601 513 AboveNet Communications, Inc.
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 557 485 Canadian Research Network
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
65350 PRIVATE 124.236.0.0/19 17672 asn for Hebei Provin
65350 PRIVATE 124.236.240.0/20 17672 asn for Hebei Provin
65350 PRIVATE 124.239.192.0/24 17672 asn for Hebei Provin
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
64000 RESERVED 193.48.181.0/24 25186 France Telecom Trans
64000 RESERVED 193.48.182.0/24 25186 France Telecom Trans
64000 RESERVED 193.51.113.0/24 25186 France Telecom Trans
64000 RESERVED 193.51.115.0/24 25186 France Telecom Trans
64000 RESERVED 194.167.103.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.66.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.67.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.68.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.69.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.70.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.71.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.72.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.73.0/24 25186 France Telecom Trans
64000 RESERVED 195.83.188.0/24 25186 France Telecom Trans
64000 RESERVED 195.98.231.0/24 25186 France Telecom Trans
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
64000 RESERVED 195.220.149.0/24 25186 France Telecom Trans
64000 RESERVED 195.220.151.0/24 25186 France Telecom Trans
65010 PRIVATE 203.117.213.0/24 9255 Singapore Telecom
65014 PRIVATE 203.117.240.0/21 4657 Starhub Internet, Si
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65000 PRIVATE 211.72.199.0/24 3462 Data Communication B
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
65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin
65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin
65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin
65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin
65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin
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
192.168.192.0/24 16062 Talks Ltd.
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 /9:9 /10:10 /11:28 /12:97
/13:213 /14:378 /15:743 /16:8988 /17:3492 /18:5712
/19:12401 /20:14112 /21:12532 /22:16020 /23:17367 /24:115070
/25:499 /26:472 /27:303 /28:223 /29:199 /30:512
/31:0 /32:112
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3732 5000 UUNET Technologies, Inc.
4323 1905 3209 Time Warner Telecom
18566 939 956 Covad Communications
705 932 1483 UUNET Technologies, Inc.
6197 799 1018 BellSouth Network Solutions,
7018 777 1476 AT&T WorldNet Services
9583 776 944 Sify Limited
11492 713 725 Cable One
2386 671 951 AT&T Data Communications Serv
7046 582 821 UUNET Technologies, Inc.
7011 574 671 Citizens Utilities
19916 557 563 OLM LLC
4766 538 727 Korea Telecom (KIX)
6461 532 601 AboveNet Communications, Inc.
2686 516 561 IBM
9498 468 789 BHARTI BT INTERNET LTD.
855 433 557 Canadian Research Network
15270 429 460 PaeTec.net -a division of Pae
5668 414 532 CenturyTel Internet Holdings,
174 413 1130 Cogent Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:50 12:1639 13:1 15:15
16:3 17:3 18:4 20:41 24:815 25:1
30:2 32:269 38:266 40:53 41:16 44:3
47:6 52:4 55:1 56:3 57:54 58:202
59:282 60:192 61:936 62:960 63:3397 64:3586
65:3604 66:3837 67:662 68:662 69:1609 70:382
71:88 72:879 74:68 75:5 80:800 81:734
82:715 83:402 84:406 85:602 86:397 87:436
88:158 89:407 91:1 121:15 122:3 123:1
124:341 125:601 128:167 129:201 130:122 131:316
132:32 133:9 134:164 135:48 136:177 137:85
138:214 139:135 140:527 141:135 142:385 143:187
144:240 145:41 146:312 147:146 148:349 149:191
150:114 151:115 152:75 153:117 154:6 155:216
156:177 157:181 158:165 159:174 160:93 161:89
162:219 163:165 164:278 165:226 166:184 167:243
168:602 169:125 170:355 171:14 190:199 192:5800
193:3429 194:2806 195:2187 196:919 198:4021 199:3360
200:4626 201:1043 202:6959 203:7133 204:4080 205:2147
206:2828 207:3610 208:3046 209:3886 210:2263 211:882
212:1367 213:1511 214:349 215:41 216:4437 217:1356
218:350 219:295 220:767 221:381 222:247
End of report
