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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 08 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 202322
Prefixes after maximum aggregation: 106291
Unique aggregates announced to Internet: 93052
Total ASes present in the Internet Routing Table: 22452
Origin-only ASes present in the Internet Routing Table: 19454
Origin ASes announcing only one prefix: 9334
Transit ASes present in the Internet Routing Table: 2998
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 25
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 31
Unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2028243127
Equivalent to 120 /8s, 228 /16s and 136 /24s
Percentage of available address space announced: 54.7
Percentage of allocated address space announced: 79.2
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 103640
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41316
Total APNIC prefixes after maximum aggregation: 16979
Prefixes being announced from the APNIC address blocks: 38917
Unique aggregates announced from the APNIC address blocks: 18474
APNIC Region origin ASes present in the Internet Routing Table: 2601
APNIC Region origin ASes announcing only one prefix: 745
APNIC Region transit ASes present in the Internet Routing Table: 408
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 293810085
Equivalent to 17 /8s, 131 /16s and 47 /24s
Percentage of available APNIC address space announced: 91.9
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: 107895
Total ARIN prefixes after maximum aggregation: 59102
Prefixes being announced from the ARIN address blocks: 80277
Unique aggregates announced from the ARIN address blocks: 26528
ARIN Region origin ASes present in the Internet Routing Table: 10743
ARIN Region origin ASes announcing only one prefix: 4044
ARIN Region transit ASes present in the Internet Routing Table: 1025
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 292197921
Equivalent to 17 /8s, 106 /16s and 150 /24s
Percentage of available ARIN address space announced: 75.7
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: 39354
Total RIPE prefixes after maximum aggregation: 25621
Prefixes being announced from the RIPE address blocks: 36703
Unique aggregates announced from the RIPE address blocks: 23662
RIPE Region origin ASes present in the Internet Routing Table: 8178
RIPE Region origin ASes announcing only one prefix: 4268
RIPE Region transit ASes present in the Internet Routing Table: 1366
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 252500352
Equivalent to 15 /8s, 12 /16s and 217 /24s
Percentage of available RIPE address space announced: 79.2
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: 11488
Total LACNIC prefixes after maximum aggregation: 3682
Prefixes being announced from the LACNIC address blocks: 9594
Unique aggregates announced from the LACNIC address blocks: 5529
LACNIC Region origin ASes present in the Internet Routing Table: 696
LACNIC Region origin ASes announcing only one prefix: 230
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 27232512
Equivalent to 1 /8s, 159 /16s and 137 /24s
Percentage of available LACNIC address space announced: 40.6
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: 2239
Total AfriNIC prefixes after maximum aggregation: 907
Prefixes being announced from the AfriNIC address blocks: 1538
Unique aggregates announced from the AfriNIC address blocks: 961
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4125952
Equivalent to 0 /8s, 62 /16s and 245 /24s
Percentage of available AfriNIC address space announced: 12.3
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 1227 7144 226 CHINANET-BACKBONE
9583 905 109 16 Sify Limited
4755 889 257 68 Videsh Sanchar Nigam Ltd. Aut
4766 700 4435 307 Korea Telecom (KIX)
1221 652 1668 482 Telstra Pty Ltd
9498 571 211 67 BHARTI BT INTERNET LTD.
7545 545 124 71 TPG Internet Pty Ltd
17488 514 32 9 Hathway IP Over Cable Interne
17676 486 7029 110 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
18101 415 85 24 Reliance Infocom Ltd Internet
17557 398 31 179 Pakistan Telecom
4802 378 80 173 Wantree Development
9929 373 220 62 China Netcom Corp.
4780 362 225 27 Digital United Inc.
7474 361 211 228 SingTel Optus Pty Ltd
17849 360 22 115 Telecommunications Technology
2907 339 1733 313 SINET Japan
17974 336 102 32 PT TELEKOMUNIKASI INDONESIA
4804 303 295 57 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 690 1951 452 UUNET - Commercial IP service
3215 405 1680 93 France Telecom Transpac
3352 307 1644 30 Ibernet, Internet Access Netw
3301 305 1327 292 TeliaNet Sweden
3320 285 3988 239 Deutsche Telekom AG
8220 283 471 267 COLT Telecommunications
680 245 2025 242 DFN-IP service G-WiN
6746 238 90 212 Dynamic Network Technologies,
3246 237 504 227 Song Networks
5089 236 1659 45 NTL Group Limited
1257 218 740 167 SWIPnet Swedish IP Network
8708 217 275 202 Romania Data Systems S.A.
24863 215 42 11 LINKdotNET AS number
3269 201 2182 72 TELECOM ITALIA
8551 200 198 24 Bezeq International
30890 193 17 68 SC Kappa Invexim SRL
8866 180 37 15 Bulgarian Telecommunication C
5400 175 348 141 BT Ignite European Backbone
6830 173 781 36 UPC Distribution Services
786 172 1778 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5053 6781 779 UUNET Technologies, Inc.
4323 3123 740 261 Time Warner Telecom
705 1616 586 707 UUNET Technologies, Inc.
7018 1440 6155 936 AT&T WorldNet Services
721 1011 21997 312 DLA Systems Automation Center
6197 1010 625 471 BellSouth Network Solutions,
174 971 5787 904 Cogent Communications
19029 951 151 110 New Edge Networks
18566 942 272 8 Covad Communications
2386 891 557 687 AT&T Data Communications Serv
7046 848 257 704 UUNET Technologies, Inc.
1239 829 2779 603 Sprint
19262 711 2119 184 Verizon Global Networks
20115 697 601 375 Charter Communications
209 679 3683 535 Qwest
22773 662 1741 38 Cox Communications, Inc.
7011 638 218 415 Citizens Utilities
11492 621 87 22 Cable One
6461 604 227 82 AboveNet Communications, Inc.
852 597 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3123 2862 Time Warner Telecom
4134 1227 1001 CHINANET-BACKBONE
18566 942 934 Covad Communications
705 1616 909 UUNET Technologies, Inc.
9583 905 889 Sify Limited
19029 951 841 New Edge Networks
4755 889 821 Videsh Sanchar Nigam Ltd. Aut
721 1011 699 DLA Systems Automation Center
22773 662 624 Cox Communications, Inc.
11492 621 599 Cable One
6197 1010 539 BellSouth Network Solutions,
19262 711 527 Verizon Global Networks
6461 604 522 AboveNet Communications, Inc.
17488 514 505 Hathway IP Over Cable Interne
7018 1440 504 AT&T WorldNet Services
9498 571 504 BHARTI BT INTERNET LTD.
855 551 487 Canadian Research Network
5668 526 487 CenturyTel Internet Holdings,
8151 704 482 UniNet S.A. de C.V.
19916 522 476 OLM LLC
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
65000 PRIVATE 64.151.153.0/24 4279 INTERSOURCE
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65516 PRIVATE 84.222.96.0/22 3257 Tiscali Intl Network
64704 PRIVATE 86.70.139.0/24 34383 TELOISE
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65011 PRIVATE 135.196.25.176/28 8190 VIATEL
65022 PRIVATE 194.252.152.0/24 12582 Sonera Solutions Dif
65022 PRIVATE 195.156.205.0/24 12582 Sonera Solutions Dif
65022 PRIVATE 195.165.56.0/24 12582 Sonera Solutions Dif
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
65000 PRIVATE 199.133.62.0/24 10886 University of Maryla
65000 PRIVATE 199.133.63.0/24 10886 University of Maryla
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
64515 PRIVATE 203.126.13.0/25 7610 SINGAPORE ADVANCE RE
64515 PRIVATE 203.126.13.128/26 7610 SINGAPORE ADVANCE RE
65500 PRIVATE 204.147.94.0/24 57 University of Minnes
65500 PRIVATE 205.215.222.0/24 57 University of Minnes
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
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
96.0.0.0/9 1660 ANS Communications
96.128.0.0/9 1660 ANS Communications
97.0.0.0/9 1660 ANS Communications
97.128.0.0/9 1660 ANS Communications
98.0.0.0/9 1660 ANS Communications
98.128.0.0/9 1660 ANS Communications
99.0.0.0/9 1660 ANS Communications
99.128.0.0/9 1660 ANS Communications
100.0.0.0/9 1660 ANS Communications
100.128.0.0/9 1660 ANS Communications
101.0.0.0/9 1660 ANS Communications
101.128.0.0/9 1660 ANS Communications
102.0.0.0/9 1660 ANS Communications
102.128.0.0/9 1660 ANS Communications
103.0.0.0/9 1660 ANS Communications
103.128.0.0/9 1660 ANS Communications
104.0.0.0/9 1660 ANS Communications
104.128.0.0/9 1660 ANS Communications
105.0.0.0/9 1660 ANS Communications
105.128.0.0/9 1660 ANS Communications
106.0.0.0/9 1660 ANS Communications
106.128.0.0/9 1660 ANS Communications
107.0.0.0/9 1660 ANS Communications
107.128.0.0/9 1660 ANS Communications
108.0.0.0/9 1660 ANS Communications
108.128.0.0/9 1660 ANS Communications
109.0.0.0/9 1660 ANS Communications
109.128.0.0/9 1660 ANS Communications
110.0.0.0/9 1660 ANS Communications
110.128.0.0/9 1660 ANS Communications
111.0.0.0/9 1660 ANS Communications
111.128.0.0/9 1660 ANS Communications
112.0.0.0/9 1660 ANS Communications
112.128.0.0/9 1660 ANS Communications
113.0.0.0/9 1660 ANS Communications
113.128.0.0/9 1660 ANS Communications
114.0.0.0/9 1660 ANS Communications
114.128.0.0/9 1660 ANS Communications
115.0.0.0/9 1660 ANS Communications
115.128.0.0/9 1660 ANS Communications
116.0.0.0/9 1660 ANS Communications
116.128.0.0/9 1660 ANS Communications
117.0.0.0/9 1660 ANS Communications
117.128.0.0/9 1660 ANS Communications
118.0.0.0/9 1660 ANS Communications
118.128.0.0/9 1660 ANS Communications
119.0.0.0/9 1660 ANS Communications
119.128.0.0/9 1660 ANS Communications
120.0.0.0/9 1660 ANS Communications
120.128.0.0/9 1660 ANS Communications
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 /8:19 /9:67 /10:10 /11:27 /12:92
/13:206 /14:360 /15:709 /16:8849 /17:3288 /18:5452
/19:11938 /20:13541 /21:11902 /22:15304 /23:16589 /24:111975
/25:431 /26:335 /27:278 /28:202 /29:215 /30:437
/31:0 /32:96
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3781 5053 UUNET Technologies, Inc.
4323 1860 3123 Time Warner Telecom
705 1049 1616 UUNET Technologies, Inc.
18566 925 942 Covad Communications
19029 882 951 New Edge Networks
6197 795 1010 BellSouth Network Solutions,
7018 747 1440 AT&T WorldNet Services
9583 735 905 Sify Limited
2386 613 891 AT&T Data Communications Serv
11492 612 621 Cable One
7046 602 848 UUNET Technologies, Inc.
7011 547 638 Citizens Utilities
6461 533 604 AboveNet Communications, Inc.
19916 516 522 OLM LLC
4766 510 700 Korea Telecom (KIX)
2686 494 538 IBM
702 473 690 UUNET - Commercial IP service
855 425 551 Canadian Research Network
5668 410 526 CenturyTel Internet Holdings,
15270 403 434 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:36 11:1 12:1579 13:1
15:15 16:3 17:3 18:4 20:43 24:731
25:1 30:2 32:277 38:226 40:54 41:3
44:3 47:6 52:4 55:1 56:3 57:46
58:178 59:207 60:194 61:852 62:899 63:3470
64:3393 65:3604 66:3590 67:654 68:673 69:1549
70:375 71:80 72:756 74:39 80:794 81:676
82:651 83:405 84:396 85:564 86:391 87:364
88:95 89:243 124:296 125:467 128:178 129:189
130:117 131:317 132:34 133:9 134:159 135:48
136:178 137:83 138:206 139:159 140:469 141:130
142:406 143:164 144:224 145:39 146:331 147:141
148:317 149:191 150:114 151:94 152:72 153:107
154:6 155:202 156:101 157:153 158:168 159:173
160:89 161:78 162:245 163:148 164:222 165:212
166:168 167:245 168:609 169:128 170:339 171:14
183:1 190:75 192:5874 193:3390 194:2755 195:2045
196:880 198:4036 199:3291 200:4489 201:986 202:6712
203:7099 204:4082 205:2185 206:2785 207:3543 208:2960
209:4187 210:2079 211:724 212:1411 213:1587 214:364
215:40 216:4546 217:1385 218:307 219:236 220:718
221:360 222:160
End of report
