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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 10 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 208418
Prefixes after maximum aggregation: 108827
Unique aggregates announced to Internet: 95170
Total ASes present in the Internet Routing Table: 22904
Origin-only ASes present in the Internet Routing Table: 19945
Origin ASes announcing only one prefix: 9495
Transit ASes present in the Internet Routing Table: 2959
Transit-only ASes present in the Internet Routing Table: 69
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (24076) 20
Prefixes from unregistered ASNs in the Routing Table: 41
Unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1580036989
Equivalent to 94 /8s, 45 /16s and 115 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 61.7
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 107334
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44071
Total APNIC prefixes after maximum aggregation: 17657
Prefixes being announced from the APNIC address blocks: 41651
Unique aggregates announced from the APNIC address blocks: 18677
APNIC Region origin ASes present in the Internet Routing Table: 2683
APNIC Region origin ASes announcing only one prefix: 750
APNIC Region transit ASes present in the Internet Routing Table: 405
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 244724100
Equivalent to 14 /8s, 150 /16s and 49 /24s
Percentage of available APNIC address space announced: 76.5
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: 109525
Total ARIN prefixes after maximum aggregation: 60154
Prefixes being announced from the ARIN address blocks: 81683
Unique aggregates announced from the ARIN address blocks: 27281
ARIN Region origin ASes present in the Internet Routing Table: 10891
ARIN Region origin ASes announcing only one prefix: 4090
ARIN Region transit ASes present in the Internet Routing Table: 1000
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 299150113
Equivalent to 17 /8s, 212 /16s and 171 /24s
Percentage of available ARIN address space announced: 77.5
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: 40338
Total RIPE prefixes after maximum aggregation: 26376
Prefixes being announced from the RIPE address blocks: 37648
Unique aggregates announced from the RIPE address blocks: 24331
RIPE Region origin ASes present in the Internet Routing Table: 8393
RIPE Region origin ASes announcing only one prefix: 4375
RIPE Region transit ASes present in the Internet Routing Table: 1375
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261477088
Equivalent to 15 /8s, 149 /16s and 210 /24s
Percentage of available RIPE address space announced: 82.0
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: 12128
Total LACNIC prefixes after maximum aggregation: 3719
Prefixes being announced from the LACNIC address blocks: 10220
Unique aggregates announced from the LACNIC address blocks: 5865
LACNIC Region origin ASes present in the Internet Routing Table: 707
LACNIC Region origin ASes announcing only one prefix: 235
LACNIC Region transit ASes present in the Internet Routing Table: 126
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31840256
Equivalent to 1 /8s, 229 /16s and 216 /24s
Percentage of available LACNIC address space announced: 47.4
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: 2316
Total AfriNIC prefixes after maximum aggregation: 921
Prefixes being announced from the AfriNIC address blocks: 1592
Unique aggregates announced from the AfriNIC address blocks: 981
AfriNIC Region origin ASes present in the Internet Routing Table: 161
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: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 4204288
Equivalent to 0 /8s, 64 /16s and 39 /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 1294 7916 240 CHINANET-BACKBONE
4755 962 255 63 Videsh Sanchar Nigam Ltd. Aut
9583 936 109 15 Sify Limited
9498 779 211 70 BHARTI BT INTERNET LTD.
4766 726 4435 306 Korea Telecom (KIX)
1221 647 1779 477 Telstra Pty Ltd
4538 604 2717 31 China Education and Research
7545 554 124 73 TPG Internet Pty Ltd
17488 522 32 18 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 436 85 22 Reliance Infocom Ltd Internet
4812 412 739 59 China Telecom (Shanghai)
17849 412 30 123 Telecommunications Technology
17974 379 129 12 PT TELEKOMUNIKASI INDONESIA
4802 363 80 151 Wantree Development
17557 360 29 167 Pakistan Telecom
7474 357 211 229 SingTel Optus Pty Ltd
2907 339 1733 312 SINET Japan
9929 313 198 38 China Netcom Corp.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 617 1947 440 UUNET - Commercial IP service
3215 401 1760 97 France Telecom Transpac
3301 315 1186 300 TeliaNet Sweden
3320 295 5013 239 Deutsche Telekom AG
8220 283 471 266 COLT Telecommunications
24863 248 42 11 LINKdotNET AS number
680 246 2041 243 DFN-IP service G-WiN
6746 240 90 218 Dynamic Network Technologies,
3246 232 462 222 Song Networks
5089 229 1657 45 NTL Group Limited
1257 224 742 168 SWIPnet Swedish IP Network
8708 215 278 203 Romania Data Systems S.A.
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 202 19 85 SC Kappa Invexim SRL
8866 187 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
6830 177 813 37 UPC Distribution Services
3300 174 171 97 AUCS Communications Services
786 171 1778 171 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5014 6788 791 UUNET Technologies, Inc.
4323 3204 747 278 Time Warner Telecom
705 1502 559 657 UUNET Technologies, Inc.
7018 1501 6268 969 AT&T WorldNet Services
6197 1017 635 477 BellSouth Network Solutions,
721 1002 21942 311 DLA Systems Automation Center
18566 953 272 8 Covad Communications
174 937 5769 884 Cogent Communications
2386 929 574 701 AT&T Data Communications Serv
1239 850 2814 602 Sprint
7046 826 251 682 UUNET Technologies, Inc.
20115 730 651 380 Charter Communications
19262 725 2212 183 Verizon Global Networks
11492 723 90 16 Cable One
209 687 3661 541 Qwest
22773 682 1742 41 Cox Communications, Inc.
7011 676 221 431 Citizens Utilities
6461 605 228 83 AboveNet Communications, Inc.
6198 599 556 238 BellSouth Network Solutions,
852 596 1068 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3204 2926 Time Warner Telecom
4134 1294 1054 CHINANET-BACKBONE
18566 953 945 Covad Communications
9583 936 921 Sify Limited
4755 962 899 Videsh Sanchar Nigam Ltd. Aut
705 1502 845 UUNET Technologies, Inc.
9498 779 709 BHARTI BT INTERNET LTD.
11492 723 707 Cable One
721 1002 691 DLA Systems Automation Center
22773 682 641 Cox Communications, Inc.
4538 604 573 China Education and Research
8151 787 559 UniNet S.A. de C.V.
19262 725 542 Verizon Global Networks
6197 1017 540 BellSouth Network Solutions,
7018 1501 532 AT&T WorldNet Services
6461 605 522 AboveNet Communications, Inc.
5668 541 522 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 566 493 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 1.0.0.0/8 23342 UnitedLayer, Inc.
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 124.236.240.0/20 17672 asn for Hebei Provin
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
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
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
1.0.0.0/8 65333 PRIVATE ASN
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 /10:11 /11:28 /12:97
/13:211 /14:375 /15:737 /16:8986 /17:3472 /18:5686
/19:12314 /20:14017 /21:12447 /22:15882 /23:17183 /24:114742
/25:469 /26:366 /27:298 /28:225 /29:197 /30:537
/31:0 /32:110
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3744 5014 UUNET Technologies, Inc.
4323 1905 3204 Time Warner Telecom
705 950 1502 UUNET Technologies, Inc.
18566 936 953 Covad Communications
6197 797 1017 BellSouth Network Solutions,
7018 788 1501 AT&T WorldNet Services
9583 769 936 Sify Limited
11492 711 723 Cable One
2386 648 929 AT&T Data Communications Serv
7046 584 826 UUNET Technologies, Inc.
7011 582 676 Citizens Utilities
19916 557 563 OLM LLC
4766 537 726 Korea Telecom (KIX)
6461 533 605 AboveNet Communications, Inc.
2686 516 560 IBM
9498 460 779 BHARTI BT INTERNET LTD.
6198 442 599 BellSouth Network Solutions,
855 441 566 Canadian Research Network
15270 425 456 PaeTec.net -a division of Pae
5668 422 541 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:50 12:1627 13:1 15:15
16:3 17:3 18:4 20:41 24:819 25:1
30:2 32:268 38:241 40:52 41:11 44:3
45:12 47:6 52:4 55:1 56:3 57:54
58:214 59:278 60:191 61:945 62:961 63:3388
64:3601 65:3674 66:3802 67:657 68:680 69:1587
70:390 71:88 72:872 74:71 75:5 80:771
81:684 82:696 83:412 84:414 85:595 86:398
87:467 88:143 89:393 91:1 121:13 122:23
123:1 124:349 125:595 128:162 129:188 130:119
131:319 132:35 133:8 134:160 135:48 136:178
137:86 138:214 139:136 140:492 141:136 142:394
143:189 144:240 145:40 146:309 147:145 148:353
149:190 150:114 151:96 152:74 153:117 154:6
155:214 156:178 157:172 158:166 159:173 160:94
161:86 162:217 163:164 164:281 165:227 166:182
167:242 168:601 169:125 170:355 171:14 190:118
192:5833 193:3417 194:2796 195:2178 196:890 198:4033
199:3372 200:4643 201:1041 202:6963 203:7122 204:4084
205:2151 206:2815 207:3577 208:3019 209:3864 210:2264
211:886 212:1362 213:1521 214:366 215:41 216:4396
217:1367 218:347 219:280 220:754 221:371 222:242
End of report
