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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 30 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 209308
Prefixes after maximum aggregation: 108921
Unique aggregates announced to Internet: 96111
Total ASes present in the Internet Routing Table: 22969
Origin-only ASes present in the Internet Routing Table: 19964
Origin ASes announcing only one prefix: 9536
Transit ASes present in the Internet Routing Table: 3005
Transit-only ASes present in the Internet Routing Table: 73
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: 22
Unregistered ASNs in the Routing Table: 16
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1560954049
Equivalent to 93 /8s, 10 /16s and 68 /24s
Percentage of available address space announced: 42.1
Percentage of allocated address space announced: 60.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 108120
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44109
Total APNIC prefixes after maximum aggregation: 17547
Prefixes being announced from the APNIC address blocks: 41702
Unique aggregates announced from the APNIC address blocks: 19250
APNIC Region origin ASes present in the Internet Routing Table: 2692
APNIC Region origin ASes announcing only one prefix: 764
APNIC Region transit ASes present in the Internet Routing Table: 419
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 250524660
Equivalent to 14 /8s, 238 /16s and 179 /24s
Percentage of available APNIC address space announced: 78.3
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: 110246
Total ARIN prefixes after maximum aggregation: 60393
Prefixes being announced from the ARIN address blocks: 82293
Unique aggregates announced from the ARIN address blocks: 27473
ARIN Region origin ASes present in the Internet Routing Table: 10961
ARIN Region origin ASes announcing only one prefix: 4126
ARIN Region transit ASes present in the Internet Routing Table: 1032
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296201569
Equivalent to 17 /8s, 167 /16s and 173 /24s
Percentage of available ARIN address space announced: 76.8
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: 40213
Total RIPE prefixes after maximum aggregation: 26255
Prefixes being announced from the RIPE address blocks: 37569
Unique aggregates announced from the RIPE address blocks: 24385
RIPE Region origin ASes present in the Internet Routing Table: 8359
RIPE Region origin ASes announcing only one prefix: 4362
RIPE Region transit ASes present in the Internet Routing Table: 1366
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 257640064
Equivalent to 15 /8s, 91 /16s and 70 /24s
Percentage of available RIPE address space announced: 80.8
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: 12334
Total LACNIC prefixes after maximum aggregation: 3777
Prefixes being announced from the LACNIC address blocks: 10374
Unique aggregates announced from the LACNIC address blocks: 5985
LACNIC Region origin ASes present in the Internet Routing Table: 720
LACNIC Region origin ASes announcing only one prefix: 239
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 31658496
Equivalent to 1 /8s, 227 /16s and 18 /24s
Percentage of available LACNIC address space announced: 47.2
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: 2385
Total AfriNIC prefixes after maximum aggregation: 949
Prefixes being announced from the AfriNIC address blocks: 1661
Unique aggregates announced from the AfriNIC address blocks: 999
AfriNIC Region origin ASes present in the Internet Routing Table: 164
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: 3.0
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC addresses announced to Internet: 4217088
Equivalent to 0 /8s, 64 /16s and 89 /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 1304 8110 239 CHINANET-BACKBONE
4755 976 255 63 Videsh Sanchar Nigam Ltd. Aut
9583 949 109 15 Sify Limited
9498 803 211 71 BHARTI BT INTERNET LTD.
1221 657 1780 484 Telstra Pty Ltd
4766 632 1852 423 Korea Telecom (KIX)
7545 542 124 74 TPG Internet Pty Ltd
4538 526 2717 32 China Education and Research
17488 525 33 11 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 446 85 18 Reliance Infocom Ltd Internet
4802 412 84 151 Wantree Development
17849 411 30 123 Telecommunications Technology
4812 394 728 59 China Telecom (Shanghai)
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
7474 358 211 230 SingTel Optus Pty Ltd
17557 357 29 169 Pakistan Telecom
2907 341 1734 314 SINET Japan
4837 320 3539 138 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 558 1947 439 UUNET - Commercial IP service
3215 398 1760 97 France Telecom Transpac
3301 314 1186 299 TeliaNet Sweden
3320 299 5013 242 Deutsche Telekom AG
8220 286 471 269 COLT Telecommunications
24863 255 42 10 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
1257 248 744 167 SWIPnet Swedish IP Network
6746 244 90 223 Dynamic Network Technologies,
5089 236 1657 47 NTL Group Limited
3246 231 462 221 Song Networks
8708 216 278 203 Romania Data Systems S.A.
3269 202 2246 73 TELECOM ITALIA
30890 202 18 83 SC Kappa Invexim SRL
8551 201 182 29 Bezeq International
6830 195 879 43 UPC Distribution Services
8866 186 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
3300 175 171 96 AUCS Communications Services
3352 166 1655 30 Ibernet, Internet Access Netw
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4981 6795 778 UUNET Technologies, Inc.
4323 3208 766 287 Time Warner Telecom
7018 1491 6268 965 AT&T WorldNet Services
705 1477 555 648 UUNET Technologies, Inc.
6197 1023 638 485 BellSouth Network Solutions,
721 999 21926 310 DLA Systems Automation Center
18566 958 272 8 Covad Communications
2386 955 559 724 AT&T Data Communications Serv
174 947 5754 883 Cogent Communications
1239 856 2799 607 Sprint
7046 818 249 676 UUNET Technologies, Inc.
19262 736 2272 187 Verizon Global Networks
20115 736 659 385 Charter Communications
11492 731 90 15 Cable One
22773 693 1744 43 Cox Communications, Inc.
2686 684 4321 99 IBM
209 682 3641 537 Qwest
7011 668 207 422 Citizens Utilities
6461 604 222 91 AboveNet Communications, Inc.
852 602 1068 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3208 2921 Time Warner Telecom
4134 1304 1065 CHINANET-BACKBONE
18566 958 950 Covad Communications
9583 949 934 Sify Limited
4755 976 913 Videsh Sanchar Nigam Ltd. Aut
705 1477 829 UUNET Technologies, Inc.
9498 803 732 BHARTI BT INTERNET LTD.
11492 731 716 Cable One
721 999 689 DLA Systems Automation Center
22773 693 650 Cox Communications, Inc.
2686 684 585 IBM
19262 736 549 Verizon Global Networks
6197 1023 538 BellSouth Network Solutions,
8151 760 531 UniNet S.A. de C.V.
7018 1491 526 AT&T WorldNet Services
5668 536 518 CenturyTel Internet Holdings,
17488 525 514 Hathway IP Over Cable Interne
6461 604 513 AboveNet Communications, Inc.
19916 563 509 OLM LLC
4538 526 494 China Education and Research
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
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65010 PRIVATE 203.117.213.0/24 9255 Singapore Telecom
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
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
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 /10:13 /11:31 /12:100
/13:202 /14:371 /15:730 /16:8937 /17:3458 /18:5678
/19:12320 /20:14000 /21:12556 /22:15973 /23:17327 /24:115243
/25:494 /26:480 /27:304 /28:226 /29:196 /30:524
/31:0 /32:117
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3721 4981 UUNET Technologies, Inc.
4323 1907 3208 Time Warner Telecom
18566 941 958 Covad Communications
705 922 1477 UUNET Technologies, Inc.
6197 802 1023 BellSouth Network Solutions,
9583 780 949 Sify Limited
7018 776 1491 AT&T WorldNet Services
11492 719 731 Cable One
2386 678 955 AT&T Data Communications Serv
2686 639 684 IBM
7046 582 818 UUNET Technologies, Inc.
7011 573 668 Citizens Utilities
4766 563 632 Korea Telecom (KIX)
19916 557 563 OLM LLC
6461 533 604 AboveNet Communications, Inc.
9498 481 803 BHARTI BT INTERNET LTD.
855 436 559 Canadian Research Network
15270 434 465 PaeTec.net -a division of Pae
5668 419 536 CenturyTel Internet Holdings,
4755 410 976 Videsh Sanchar Nigam Ltd. Aut
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:49 12:1633 13:1 15:15
16:3 17:3 18:4 20:41 24:818 25:1
32:315 38:247 40:54 41:17 44:3 47:3
52:4 55:1 56:3 57:54 58:216 59:285
60:188 61:916 62:1012 63:3381 64:3600 65:3620
66:3860 67:663 68:651 69:1604 70:388 71:91
72:887 74:76 75:6 80:785 81:680 82:698
83:391 84:403 85:644 86:380 87:438 88:166
89:429 91:1 121:18 122:6 123:1 124:349
125:615 128:161 129:201 130:118 131:315 132:38
133:8 134:162 135:48 136:177 137:86 138:191
139:151 140:521 141:135 142:389 143:192 144:239
145:41 146:325 147:141 148:353 149:179 150:113
151:117 152:77 153:117 154:6 155:222 156:172
157:179 158:165 159:175 160:93 161:89 162:218
163:166 164:277 165:225 166:182 167:240 168:598
169:127 170:362 171:14 189:1 190:203 192:5818
193:3392 194:2768 195:2178 196:927 198:4039 199:3384
200:4628 201:1041 202:6960 203:7178 204:4085 205:2175
206:2823 207:3623 208:3066 209:3888 210:2232 211:908
212:1366 213:1503 214:360 215:40 216:4422 217:1333
218:356 219:295 220:786 221:384 222:249
End of report
