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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 19 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 209582
Prefixes after maximum aggregation: 109078
Unique aggregates announced to Internet: 95544
Total ASes present in the Internet Routing Table: 22997
Origin-only ASes present in the Internet Routing Table: 19943
Origin ASes announcing only one prefix: 9531
Transit ASes present in the Internet Routing Table: 3054
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 30
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 63
Unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 7
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1575539261
Equivalent to 93 /8s, 232 /16s and 210 /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: 108055
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44254
Total APNIC prefixes after maximum aggregation: 17621
Prefixes being announced from the APNIC address blocks: 41837
Unique aggregates announced from the APNIC address blocks: 18748
APNIC Region origin ASes present in the Internet Routing Table: 2689
APNIC Region origin ASes announcing only one prefix: 757
APNIC Region transit ASes present in the Internet Routing Table: 413
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 26
Number of APNIC addresses announced to Internet: 260567940
Equivalent to 15 /8s, 135 /16s and 243 /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: 110048
Total ARIN prefixes after maximum aggregation: 60277
Prefixes being announced from the ARIN address blocks: 82027
Unique aggregates announced from the ARIN address blocks: 27368
ARIN Region origin ASes present in the Internet Routing Table: 10928
ARIN Region origin ASes announcing only one prefix: 4099
ARIN Region transit ASes present in the Internet Routing Table: 1034
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 295498849
Equivalent to 17 /8s, 156 /16s and 244 /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: 40580
Total RIPE prefixes after maximum aggregation: 26499
Prefixes being announced from the RIPE address blocks: 37892
Unique aggregates announced from the RIPE address blocks: 24462
RIPE Region origin ASes present in the Internet Routing Table: 8428
RIPE Region origin ASes announcing only one prefix: 4391
RIPE Region transit ASes present in the Internet Routing Table: 1409
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 261851360
Equivalent to 15 /8s, 155 /16s and 136 /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: 12269
Total LACNIC prefixes after maximum aggregation: 3736
Prefixes being announced from the LACNIC address blocks: 10338
Unique aggregates announced from the LACNIC address blocks: 5946
LACNIC Region origin ASes present in the Internet Routing Table: 714
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: 4.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 32146688
Equivalent to 1 /8s, 234 /16s and 133 /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: 2369
Total AfriNIC prefixes after maximum aggregation: 945
Prefixes being announced from the AfriNIC address blocks: 1650
Unique aggregates announced from the AfriNIC address blocks: 989
AfriNIC Region origin ASes present in the Internet Routing Table: 162
AfriNIC Region origin ASes announcing only one prefix: 46
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: 18
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 1298 7957 237 CHINANET-BACKBONE
4755 965 255 62 Videsh Sanchar Nigam Ltd. Aut
9583 943 109 15 Sify Limited
9498 785 211 70 BHARTI BT INTERNET LTD.
4766 727 4435 307 Korea Telecom (KIX)
1221 650 1779 480 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 437 85 22 Reliance Infocom Ltd Internet
4812 413 739 59 China Telecom (Shanghai)
17849 412 30 123 Telecommunications Technology
17974 375 129 12 PT TELEKOMUNIKASI INDONESIA
7474 359 211 230 SingTel Optus Pty Ltd
17557 359 29 169 Pakistan Telecom
4802 358 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
702 563 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
8866 184 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
3300 177 171 98 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 4994 6781 786 UUNET Technologies, Inc.
4323 3210 748 282 Time Warner Telecom
705 1483 557 649 UUNET Technologies, Inc.
7018 1470 6250 950 AT&T WorldNet Services
174 1130 5770 891 Cogent Communications
6197 1018 636 478 BellSouth Network Solutions,
721 1004 21942 310 DLA Systems Automation Center
18566 955 272 8 Covad Communications
2386 951 560 716 AT&T Data Communications Serv
1239 838 2764 592 Sprint
7046 819 250 678 UUNET Technologies, Inc.
20115 733 657 382 Charter Communications
19262 731 2224 185 Verizon Global Networks
11492 725 90 16 Cable One
22773 698 1744 46 Cox Communications, Inc.
209 684 3657 539 Qwest
7011 670 225 424 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 3210 2928 Time Warner Telecom
4134 1298 1061 CHINANET-BACKBONE
18566 955 947 Covad Communications
9583 943 928 Sify Limited
4755 965 903 Videsh Sanchar Nigam Ltd. Aut
705 1483 834 UUNET Technologies, Inc.
9498 785 715 BHARTI BT INTERNET LTD.
11492 725 709 Cable One
721 1004 694 DLA Systems Automation Center
22773 698 652 Cox Communications, Inc.
4538 604 573 China Education and Research
8151 786 560 UniNet S.A. de C.V.
19262 731 546 Verizon Global Networks
6197 1018 540 BellSouth Network Solutions,
7018 1470 520 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
855 559 485 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
64615 PRIVATE 203.144.48.0/24 16838 VeriSign Inc
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 /15:744 /16:8989 /17:3490 /18:5700
/19:12404 /20:14120 /21:12537 /22:16015 /23:17390 /24:115122
/25:499 /26:471 /27:300 /28:222 /29:201 /30:512
/31:0 /32:112
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3728 4994 UUNET Technologies, Inc.
4323 1904 3210 Time Warner Telecom
18566 938 955 Covad Communications
705 932 1483 UUNET Technologies, Inc.
6197 799 1018 BellSouth Network Solutions,
9583 775 943 Sify Limited
7018 770 1470 AT&T WorldNet Services
11492 713 725 Cable One
2386 671 951 AT&T Data Communications Serv
7046 581 819 UUNET Technologies, Inc.
7011 573 670 Citizens Utilities
19916 557 563 OLM LLC
4766 538 727 Korea Telecom (KIX)
6461 532 601 AboveNet Communications, Inc.
2686 516 561 IBM
9498 466 785 BHARTI BT INTERNET LTD.
855 433 559 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 12:1640 13:1 15:15
16:3 17:3 18:4 20:41 24:813 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 61:937 62:958 63:3398 64:3585
65:3604 66:3843 67:660 68:659 69:1586 70:380
71:88 72:880 74:68 75:5 80:805 81:732
82:714 83:404 84:400 85:602 86:398 87:435
88:158 89:408 91:1 121:15 122:3 123:1
124:338 125:601 128:164 129:201 130:122 131:315
132:32 133:9 134:165 135:48 136:177 137:85
138:214 139:135 140:527 141:135 142:385 143:189
144:239 145:41 146:314 147:146 148:350 149:192
150:114 151:115 152:75 153:118 154:6 155:215
156:177 157:182 158:165 159:173 160:94 161:89
162:219 163:165 164:278 165:226 166:184 167:243
168:602 169:125 170:344 171:14 190:198 192:5835
193:3428 194:2804 195:2189 196:921 198:4027 199:3370
200:4630 201:1042 202:6979 203:7139 204:4089 205:2156
206:2826 207:3610 208:3044 209:3882 210:2234 211:883
212:1364 213:1522 214:370 215:41 216:4429 217:1363
218:350 219:295 220:766 221:381 222:247
End of report
