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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 15 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205674
Prefixes after maximum aggregation: 107722
Unique aggregates announced to Internet: 94032
Total ASes present in the Internet Routing Table: 22734
Origin-only ASes present in the Internet Routing Table: 19687
Origin ASes announcing only one prefix: 9444
Transit ASes present in the Internet Routing Table: 3047
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 28
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 23
Unregistered ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1552402357
Equivalent to 92 /8s, 135 /16s and 199 /24s
Percentage of available address space announced: 41.9
Percentage of allocated address space announced: 60.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 105413
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42759
Total APNIC prefixes after maximum aggregation: 17221
Prefixes being announced from the APNIC address blocks: 40369
Unique aggregates announced from the APNIC address blocks: 18371
APNIC Region origin ASes present in the Internet Routing Table: 2636
APNIC Region origin ASes announcing only one prefix: 745
APNIC Region transit ASes present in the Internet Routing Table: 406
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 239220132
Equivalent to 14 /8s, 66 /16s and 53 /24s
Percentage of available APNIC address space announced: 74.8
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: 108707
Total ARIN prefixes after maximum aggregation: 59738
Prefixes being announced from the ARIN address blocks: 80905
Unique aggregates announced from the ARIN address blocks: 27017
ARIN Region origin ASes present in the Internet Routing Table: 10843
ARIN Region origin ASes announcing only one prefix: 4072
ARIN Region transit ASes present in the Internet Routing Table: 1027
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 296028705
Equivalent to 17 /8s, 165 /16s and 10 /24s
Percentage of available ARIN address space announced: 76.7
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: 39854
Total RIPE prefixes after maximum aggregation: 26097
Prefixes being announced from the RIPE address blocks: 37256
Unique aggregates announced from the RIPE address blocks: 24080
RIPE Region origin ASes present in the Internet Routing Table: 8311
RIPE Region origin ASes announcing only one prefix: 4347
RIPE Region transit ASes present in the Internet Routing Table: 1398
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 260233344
Equivalent to 15 /8s, 130 /16s and 216 /24s
Percentage of available RIPE address space announced: 81.6
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: 11968
Total LACNIC prefixes after maximum aggregation: 3753
Prefixes being announced from the LACNIC address blocks: 10022
Unique aggregates announced from the LACNIC address blocks: 5667
LACNIC Region origin ASes present in the Internet Routing Table: 705
LACNIC Region origin ASes announcing only one prefix: 235
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 31129856
Equivalent to 1 /8s, 219 /16s and 1 /24s
Percentage of available LACNIC address space announced: 46.4
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: 2364
Total AfriNIC prefixes after maximum aggregation: 913
Prefixes being announced from the AfriNIC address blocks: 1583
Unique aggregates announced from the AfriNIC address blocks: 955
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: 27
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC addresses announced to Internet: 4187648
Equivalent to 0 /8s, 63 /16s and 230 /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 1246 7512 233 CHINANET-BACKBONE
4755 940 255 65 Videsh Sanchar Nigam Ltd. Aut
9583 914 109 15 Sify Limited
9498 763 211 70 BHARTI BT INTERNET LTD.
4766 715 4435 309 Korea Telecom (KIX)
1221 646 1779 478 Telstra Pty Ltd
7545 552 124 75 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 511 2715 30 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 425 85 23 Reliance Infocom Ltd Internet
17974 406 129 14 PT TELEKOMUNIKASI INDONESIA
17849 398 28 124 Telecommunications Technology
9929 393 281 57 China Netcom Corp.
4802 382 81 171 Wantree Development
17557 382 30 172 Pakistan Telecom
7474 357 211 230 SingTel Optus Pty Ltd
2907 339 1733 312 SINET Japan
4804 309 295 57 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 644 1932 443 UUNET - Commercial IP service
3215 404 1760 97 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3352 305 1639 33 Ibernet, Internet Access Netw
3320 284 5012 233 Deutsche Telekom AG
8220 283 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 235 89 210 Dynamic Network Technologies,
3246 232 463 222 Song Networks
5089 230 1657 44 NTL Group Limited
1257 220 741 164 SWIPnet Swedish IP Network
8708 216 276 205 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
8551 209 198 29 Bezeq International
30890 206 18 80 SC Kappa Invexim SRL
3269 201 2182 72 TELECOM ITALIA
8866 187 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
3300 172 171 98 AUCS Communications Services
786 169 1762 169 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5023 6752 778 UUNET Technologies, Inc.
4323 3178 746 274 Time Warner Telecom
705 1528 561 673 UUNET Technologies, Inc.
7018 1467 6222 946 AT&T WorldNet Services
721 1020 21934 309 DLA Systems Automation Center
6197 1015 635 479 BellSouth Network Solutions,
18566 946 272 8 Covad Communications
174 945 5769 891 Cogent Communications
2386 922 558 710 AT&T Data Communications Serv
1239 862 2795 610 Sprint
7046 834 252 690 UUNET Technologies, Inc.
19262 723 2190 187 Verizon Global Networks
20115 714 622 386 Charter Communications
209 692 3662 545 Qwest
22773 669 1741 35 Cox Communications, Inc.
11492 657 89 11 Cable One
7011 648 218 412 Citizens Utilities
6461 611 228 83 AboveNet Communications, Inc.
6198 599 568 237 BellSouth Network Solutions,
852 598 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3178 2904 Time Warner Telecom
4134 1246 1013 CHINANET-BACKBONE
18566 946 938 Covad Communications
9583 914 899 Sify Limited
4755 940 875 Videsh Sanchar Nigam Ltd. Aut
705 1528 855 UUNET Technologies, Inc.
721 1020 711 DLA Systems Automation Center
9498 763 693 BHARTI BT INTERNET LTD.
11492 657 646 Cable One
22773 669 634 Cox Communications, Inc.
6197 1015 536 BellSouth Network Solutions,
19262 723 536 Verizon Global Networks
6461 611 528 AboveNet Communications, Inc.
7018 1467 521 AT&T WorldNet Services
5668 533 510 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 519 502 Hathway IP Over Cable Interne
855 573 499 Canadian Research Network
4538 511 481 China Education and Research
7545 552 477 TPG Internet Pty Ltd
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
64871 PRIVATE 64.195.128.0/24 7911 Williams Communicati
64871 PRIVATE 64.195.139.0/24 7911 Williams Communicati
64871 PRIVATE 64.195.140.0/24 7911 Williams Communicati
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
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
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
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
192.168.83.0/24 292 Energy Sciences Network
198.18.1.0/24 3301 TeliaNet Sweden
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:11 /11:28 /12:95
/13:208 /14:369 /15:727 /16:8927 /17:3373 /18:5566
/19:12149 /20:13840 /21:12277 /22:15635 /23:16951 /24:113328
/25:461 /26:364 /27:278 /28:206 /29:222 /30:518
/31:0 /32:114
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3772 5023 UUNET Technologies, Inc.
4323 1884 3178 Time Warner Telecom
705 970 1528 UUNET Technologies, Inc.
18566 929 946 Covad Communications
6197 795 1015 BellSouth Network Solutions,
7018 774 1467 AT&T WorldNet Services
9583 744 914 Sify Limited
11492 645 657 Cable One
2386 635 922 AT&T Data Communications Serv
7046 590 834 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 556 648 Citizens Utilities
6461 539 611 AboveNet Communications, Inc.
4766 526 715 Korea Telecom (KIX)
2686 513 558 IBM
855 447 573 Canadian Research Network
6198 441 599 BellSouth Network Solutions,
702 431 644 UUNET - Commercial IP service
9498 427 763 BHARTI BT INTERNET LTD.
5668 416 533 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:43 11:1 12:1629 13:1
15:15 16:3 17:3 18:4 20:41 24:782
25:1 30:2 32:264 38:235 40:54 41:7
44:3 47:6 52:4 55:1 56:3 57:47
58:200 59:275 60:190 61:872 62:940 63:3415
64:3589 65:3666 66:3752 67:642 68:678 69:1557
70:390 71:86 72:816 74:56 75:1 80:786
81:678 82:689 83:384 84:396 85:585 86:411
87:410 88:113 89:341 91:1 121:3 122:3
123:1 124:279 125:552 128:163 129:184 130:120
131:313 132:35 133:9 134:159 135:48 136:178
137:84 138:206 139:139 140:490 141:135 142:405
143:169 144:229 145:40 146:317 147:142 148:344
149:194 150:114 151:96 152:73 153:107 154:6
155:206 156:186 157:145 158:166 159:173 160:93
161:79 162:245 163:160 164:287 165:229 166:174
167:243 168:613 169:125 170:353 171:14 183:1
190:88 192:5819 193:3372 194:2764 195:2125 196:895
198:4095 199:3362 200:4627 201:969 202:6921 203:7120
204:4071 205:2176 206:2795 207:3568 208:2999 209:3812
210:2118 211:755 212:1368 213:1577 214:366 215:41
216:4359 217:1401 218:314 219:262 220:733 221:351
222:198
End of report
