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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 29 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 204085
Prefixes after maximum aggregation: 107255
Unique aggregates announced to Internet: 93696
Total ASes present in the Internet Routing Table: 22642
Origin-only ASes present in the Internet Routing Table: 19627
Origin ASes announcing only one prefix: 9406
Transit ASes present in the Internet Routing Table: 3015
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 21
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 22
Unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1534498229
Equivalent to 91 /8s, 118 /16s and 149 /24s
Percentage of available address space announced: 41.4
Percentage of allocated address space announced: 59.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 104466
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42165
Total APNIC prefixes after maximum aggregation: 17085
Prefixes being announced from the APNIC address blocks: 39791
Unique aggregates announced from the APNIC address blocks: 18391
APNIC Region origin ASes present in the Internet Routing Table: 2629
APNIC Region origin ASes announcing only one prefix: 743
APNIC Region transit ASes present in the Internet Routing Table: 412
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 230484132
Equivalent to 13 /8s, 188 /16s and 232 /24s
Percentage of available APNIC address space announced: 72.1
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: 108181
Total ARIN prefixes after maximum aggregation: 59605
Prefixes being announced from the ARIN address blocks: 80538
Unique aggregates announced from the ARIN address blocks: 27022
ARIN Region origin ASes present in the Internet Routing Table: 10822
ARIN Region origin ASes announcing only one prefix: 4077
ARIN Region transit ASes present in the Internet Routing Table: 1028
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 294970145
Equivalent to 17 /8s, 148 /16s and 227 /24s
Percentage of available ARIN address space announced: 76.4
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: 39757
Total RIPE prefixes after maximum aggregation: 25916
Prefixes being announced from the RIPE address blocks: 37147
Unique aggregates announced from the RIPE address blocks: 23899
RIPE Region origin ASes present in the Internet Routing Table: 8252
RIPE Region origin ASes announcing only one prefix: 4303
RIPE Region transit ASes present in the Internet Routing Table: 1374
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 255093376
Equivalent to 15 /8s, 52 /16s and 106 /24s
Percentage of available RIPE address space announced: 80.0
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: 11634
Total LACNIC prefixes after maximum aggregation: 3729
Prefixes being announced from the LACNIC address blocks: 9761
Unique aggregates announced from the LACNIC address blocks: 5582
LACNIC Region origin ASes present in the Internet Routing Table: 705
LACNIC Region origin ASes announcing only one prefix: 236
LACNIC Region transit ASes present in the Internet Routing Table: 135
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 28024320
Equivalent to 1 /8s, 171 /16s and 158 /24s
Percentage of available LACNIC address space announced: 41.8
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: 2327
Total AfriNIC prefixes after maximum aggregation: 920
Prefixes being announced from the AfriNIC address blocks: 1554
Unique aggregates announced from the AfriNIC address blocks: 942
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4144640
Equivalent to 0 /8s, 63 /16s and 62 /24s
Percentage of available AfriNIC address space announced: 12.4
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 1243 7254 229 CHINANET-BACKBONE
4755 923 256 68 Videsh Sanchar Nigam Ltd. Aut
9583 906 109 15 Sify Limited
4766 714 4435 309 Korea Telecom (KIX)
9498 674 211 65 BHARTI BT INTERNET LTD.
1221 648 1668 480 Telstra Pty Ltd
7545 547 124 71 TPG Internet Pty Ltd
17676 490 7093 110 Softbank BB Corp.
17488 488 30 39 Hathway IP Over Cable Interne
4538 481 2717 31 China Education and Research
9443 452 111 83 Primus Telecommunications
18101 421 85 24 Reliance Infocom Ltd Internet
17557 389 30 170 Pakistan Telecom
4802 384 81 171 Wantree Development
17974 382 129 14 PT TELEKOMUNIKASI INDONESIA
9929 377 254 65 China Netcom Corp.
7474 360 211 227 SingTel Optus Pty Ltd
2907 338 1733 312 SINET Japan
4804 304 295 57 Microplex PTY LTD
10139 281 19 5 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 673 1932 445 UUNET - Commercial IP service
3215 405 1720 96 France Telecom Transpac
3301 312 1327 297 TeliaNet Sweden
3352 305 1643 30 Ibernet, Internet Access Netw
3320 284 3988 239 Deutsche Telekom AG
8220 281 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 239 90 214 Dynamic Network Technologies,
5089 236 1659 45 NTL Group Limited
3246 231 463 221 Song Networks
1257 223 741 167 SWIPnet Swedish IP Network
8708 218 276 204 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
8551 209 198 29 Bezeq International
3269 202 2184 73 TELECOM ITALIA
30890 199 18 76 SC Kappa Invexim SRL
8866 187 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
3300 171 171 98 AUCS Communications Services
786 170 1778 170 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5016 6752 772 UUNET Technologies, Inc.
4323 3152 744 265 Time Warner Telecom
705 1549 574 681 UUNET Technologies, Inc.
7018 1483 6240 951 AT&T WorldNet Services
721 1021 21998 314 DLA Systems Automation Center
6197 1015 636 478 BellSouth Network Solutions,
174 965 5771 896 Cogent Communications
18566 945 272 8 Covad Communications
2386 912 560 706 AT&T Data Communications Serv
7046 846 253 700 UUNET Technologies, Inc.
1239 842 2765 602 Sprint
19262 719 2168 188 Verizon Global Networks
20115 713 619 381 Charter Communications
209 692 3667 547 Qwest
22773 663 1741 35 Cox Communications, Inc.
7011 646 217 410 Citizens Utilities
11492 642 89 10 Cable One
6461 607 227 83 AboveNet Communications, Inc.
6198 604 568 238 BellSouth Network Solutions,
852 597 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3152 2887 Time Warner Telecom
4134 1243 1014 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 906 891 Sify Limited
705 1549 868 UUNET Technologies, Inc.
4755 923 855 Videsh Sanchar Nigam Ltd. Aut
721 1021 707 DLA Systems Automation Center
11492 642 632 Cable One
22773 663 628 Cox Communications, Inc.
9498 674 609 BHARTI BT INTERNET LTD.
6197 1015 537 BellSouth Network Solutions,
7018 1483 532 AT&T WorldNet Services
19262 719 531 Verizon Global Networks
6461 607 524 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 529 506 CenturyTel Internet Holdings,
8151 724 501 UniNet S.A. de C.V.
855 571 497 Canadian Research Network
7545 547 476 TPG Internet Pty Ltd
4538 481 450 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
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
65500 PRIVATE 80.68.8.0/24 20806 JSCITT Autonomous Sy
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65101 PRIVATE 84.16.31.0/24 12956 Telefonica Data Auto
65516 PRIVATE 84.222.96.0/22 3257 Tiscali Intl Network
64704 PRIVATE 86.70.139.0/24 34383 TELOISE
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
65535 PRIVATE 202.136.215.0/24 24141 Shanghai DMT Informa
65535 PRIVATE 202.136.217.0/24 24141 Shanghai DMT Informa
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
65444 PRIVATE 212.25.125.0/24 8551 Bezeq International
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
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
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 /10:9 /11:28 /12:93
/13:207 /14:364 /15:719 /16:8890 /17:3338 /18:5523
/19:12068 /20:13736 /21:12275 /22:15540 /23:16720 /24:112443
/25:463 /26:351 /27:283 /28:210 /29:209 /30:490
/31:0 /32:99
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3764 5016 UUNET Technologies, Inc.
4323 1876 3152 Time Warner Telecom
705 988 1549 UUNET Technologies, Inc.
18566 928 945 Covad Communications
6197 795 1015 BellSouth Network Solutions,
7018 787 1483 AT&T WorldNet Services
9583 736 906 Sify Limited
2386 635 912 AT&T Data Communications Serv
11492 630 642 Cable One
7046 601 846 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 555 646 Citizens Utilities
6461 535 607 AboveNet Communications, Inc.
4766 525 714 Korea Telecom (KIX)
702 459 673 UUNET - Commercial IP service
2686 448 493 IBM
6198 446 604 BellSouth Network Solutions,
855 445 571 Canadian Research Network
5668 412 529 CenturyTel Internet Holdings,
15270 408 439 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:42 12:1624 13:1 15:16
16:3 17:3 18:4 20:41 24:774 25:1
30:2 32:233 38:231 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:46 58:192
59:268 60:184 61:884 62:940 63:3426 64:3558
65:3667 66:3750 67:635 68:680 69:1546 70:386
71:86 72:797 74:50 75:1 80:782 81:659
82:687 83:400 84:388 85:575 86:390 87:370
88:109 89:305 121:1 122:2 123:1 124:173
125:496 128:155 129:189 130:120 131:315 132:35
133:8 134:160 135:48 136:178 137:84 138:206
139:138 140:481 141:134 142:405 143:168 144:224
145:39 146:314 147:142 148:339 149:194 150:113
151:93 152:72 153:106 154:6 155:201 156:183
157:145 158:164 159:172 160:91 161:80 162:245
163:158 164:224 165:216 166:172 167:243 168:610
169:128 170:353 171:14 183:1 190:81 192:5830
193:3375 194:2755 195:2088 196:875 198:4091 199:3307
200:4480 201:1001 202:6882 203:7075 204:4082 205:2172
206:2784 207:3557 208:2974 209:3802 210:2104 211:752
212:1397 213:1590 214:358 215:41 216:4367 217:1395
218:310 219:268 220:730 221:363 222:198
End of report
