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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 07 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 210159
Prefixes after maximum aggregation: 109500
Unique aggregates announced to Internet: 96239
Total ASes present in the Internet Routing Table: 23097
Origin-only ASes present in the Internet Routing Table: 20112
Origin ASes announcing only one prefix: 9614
Transit ASes present in the Internet Routing Table: 2985
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 3.2
Max AS path length visible: 30
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 24
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1580382429
Equivalent to 94 /8s, 50 /16s and 184 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 60.5
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 108349
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44461
Total APNIC prefixes after maximum aggregation: 17561
Prefixes being announced from the APNIC address blocks: 41990
Unique aggregates announced from the APNIC address blocks: 18781
APNIC Region origin ASes present in the Internet Routing Table: 2687
APNIC Region origin ASes announcing only one prefix: 750
APNIC Region transit ASes present in the Internet Routing Table: 413
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 261408384
Equivalent to 15 /8s, 148 /16s and 198 /24s
Percentage of available APNIC address space announced: 81.7
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: 110054
Total ARIN prefixes after maximum aggregation: 60464
Prefixes being announced from the ARIN address blocks: 82247
Unique aggregates announced from the ARIN address blocks: 27642
ARIN Region origin ASes present in the Internet Routing Table: 10959
ARIN Region origin ASes announcing only one prefix: 4130
ARIN Region transit ASes present in the Internet Routing Table: 1012
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 297005921
Equivalent to 17 /8s, 179 /16s and 243 /24s
Percentage of available ARIN address space announced: 77.0
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: 40872
Total RIPE prefixes after maximum aggregation: 26704
Prefixes being announced from the RIPE address blocks: 37973
Unique aggregates announced from the RIPE address blocks: 24685
RIPE Region origin ASes present in the Internet Routing Table: 8503
RIPE Region origin ASes announcing only one prefix: 4444
RIPE Region transit ASes present in the Internet Routing Table: 1384
Average RIPE Region AS path length visible: 3.3
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 263681920
Equivalent to 15 /8s, 183 /16s and 119 /24s
Percentage of available RIPE address space announced: 71.4
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: 12373
Total LACNIC prefixes after maximum aggregation: 3828
Prefixes being announced from the LACNIC address blocks: 10394
Unique aggregates announced from the LACNIC address blocks: 6058
LACNIC Region origin ASes present in the Internet Routing Table: 721
LACNIC Region origin ASes announcing only one prefix: 242
LACNIC Region transit ASes present in the Internet Routing Table: 123
Average LACNIC Region AS path length visible: 3.2
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 32431360
Equivalent to 1 /8s, 238 /16s and 221 /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: 2376
Total AfriNIC prefixes after maximum aggregation: 943
Prefixes being announced from the AfriNIC address blocks: 1668
Unique aggregates announced from the AfriNIC address blocks: 1008
AfriNIC Region origin ASes present in the Internet Routing Table: 162
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.0
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4230912
Equivalent to 0 /8s, 64 /16s and 143 /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 1195 7683 276 CHINANET-BACKBONE
4755 977 255 64 Videsh Sanchar Nigam Ltd. Aut
9583 955 109 15 Sify Limited
9498 846 212 72 BHARTI BT INTERNET LTD.
4766 762 4436 310 Korea Telecom (KIX)
1221 653 1780 481 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 450 111 83 Primus Telecommunications
18101 446 85 18 Reliance Infocom Ltd Internet
17849 427 31 124 Telecommunications Technology
4802 411 84 150 Wantree Development
4812 395 732 60 China Telecom (Shanghai)
17557 356 29 170 Pakistan Telecom
17974 356 129 12 PT TELEKOMUNIKASI INDONESIA
7474 353 210 225 SingTel Optus Pty Ltd
10139 344 23 6 Meridian Telekoms
2907 340 1734 313 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 547 1928 429 UUNET - Commercial IP service
3215 390 1760 98 France Telecom Transpac
3301 314 1186 299 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 286 471 269 COLT Telecommunications
24863 258 42 15 LINKdotNET AS number
1257 249 740 167 SWIPnet Swedish IP Network
680 248 2041 244 DFN-IP service G-WiN
6746 243 90 222 Dynamic Network Technologies,
5089 239 1657 50 NTL Group Limited
3246 232 462 222 Song Networks
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
5416 181 12 7 BATELCO-BH
3300 176 171 97 AUCS Communications Services
786 171 1779 171 The JANET IP Service
8866 168 37 14 Bulgarian Telecommunication C
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4984 6791 779 UUNET Technologies, Inc.
4323 3227 775 291 Time Warner Telecom
7018 1491 6267 961 AT&T WorldNet Services
705 1476 556 647 UUNET Technologies, Inc.
6197 1025 639 486 BellSouth Network Solutions,
721 974 21909 306 DLA Systems Automation Center
2386 964 561 732 AT&T Data Communications Serv
18566 958 272 8 Covad Communications
174 944 5770 882 Cogent Communications
1239 852 2767 602 Sprint
7046 820 234 678 UUNET Technologies, Inc.
20115 743 663 388 Charter Communications
19262 741 2296 191 Verizon Global Networks
11492 731 90 14 Cable One
22773 696 1744 43 Cox Communications, Inc.
209 686 3644 542 Qwest
7011 668 207 422 Citizens Utilities
852 602 1068 384 Telus Advanced Communications
19916 563 49 54 OLM LLC
2686 559 4321 98 IBM
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3227 2936 Time Warner Telecom
18566 958 950 Covad Communications
9583 955 940 Sify Limited
4134 1195 919 CHINANET-BACKBONE
4755 977 913 Videsh Sanchar Nigam Ltd. Aut
705 1476 829 UUNET Technologies, Inc.
9498 846 774 BHARTI BT INTERNET LTD.
11492 731 717 Cable One
721 974 668 DLA Systems Automation Center
22773 696 653 Cox Communications, Inc.
4538 600 568 China Education and Research
19262 741 550 Verizon Global Networks
6197 1025 539 BellSouth Network Solutions,
7018 1491 530 AT&T WorldNet Services
5668 536 518 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
19916 563 509 OLM LLC
855 558 489 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
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
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
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 /12:103
/13:213 /14:380 /15:729 /16:8982 /17:3493 /18:5745
/19:12452 /20:14179 /21:12568 /22:16077 /23:17382 /24:115414
/25:498 /26:496 /27:300 /28:222 /29:202 /30:531
/31:0 /32:121
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3708 4984 UUNET Technologies, Inc.
4323 1926 3227 Time Warner Telecom
18566 941 958 Covad Communications
705 923 1476 UUNET Technologies, Inc.
6197 805 1025 BellSouth Network Solutions,
9583 786 955 Sify Limited
7018 778 1491 AT&T WorldNet Services
11492 719 731 Cable One
2386 681 964 AT&T Data Communications Serv
7046 585 820 UUNET Technologies, Inc.
7011 573 668 Citizens Utilities
4766 572 762 Korea Telecom (KIX)
19916 557 563 OLM LLC
2686 514 559 IBM
9498 505 846 BHARTI BT INTERNET LTD.
15270 437 468 PaeTec.net -a division of Pae
855 436 558 Canadian Research Network
5668 419 536 CenturyTel Internet Holdings,
17849 414 427 Telecommunications Technology
4755 413 977 Videsh Sanchar Nigam Ltd. Aut
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:46 11:1 12:1631 13:1
15:16 16:3 17:3 18:4 20:41 24:825
25:1 32:269 38:252 40:55 41:17 44:3
47:6 52:4 55:1 56:3 57:53 58:238
59:290 60:186 61:921 62:971 63:3386 64:3488
65:3621 66:3885 67:667 68:651 69:1625 70:388
71:89 72:893 74:78 75:7 80:790 81:696
82:670 83:393 84:409 85:694 86:356 87:441
88:173 89:434 121:22 122:6 123:1 124:371
125:644 128:148 129:205 130:118 131:314 132:38
133:8 134:163 135:48 136:172 137:98 138:224
139:133 140:521 141:135 142:390 143:191 144:240
145:41 146:327 147:141 148:353 149:180 150:112
151:118 152:79 153:117 154:6 155:222 156:172
157:179 158:165 159:174 160:92 161:87 162:218
163:167 164:381 165:226 166:183 167:245 168:601
169:128 170:360 171:14 190:203 192:5836 193:3432
194:2786 195:2206 196:930 198:4040 199:3392 200:4665
201:967 202:7000 203:7202 204:4102 205:2178 206:2808
207:3593 208:3046 209:3829 210:2247 211:906 212:1367
213:1501 214:369 215:41 216:4386 217:1323 218:359
219:293 220:797 221:389 222:258
End of report
