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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 06 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 197520
Prefixes after maximum aggregation: 105540
Unique aggregates announced to Internet: 93044
Total ASes present in the Internet Routing Table: 22439
Origin-only ASes present in the Internet Routing Table: 19459
Origin ASes announcing only one prefix: 9317
Transit ASes present in the Internet Routing Table: 2980
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 25
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 29
Unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1542638807
Equivalent to 91 /8s, 242 /16s and 204 /24s
Percentage of available address space announced: 41.6
Percentage of allocated address space announced: 60.2
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 99697
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41201
Total APNIC prefixes after maximum aggregation: 16946
Prefixes being announced from the APNIC address blocks: 38805
Unique aggregates announced from the APNIC address blocks: 18472
APNIC Region origin ASes present in the Internet Routing Table: 2585
APNIC Region origin ASes announcing only one prefix: 735
APNIC Region transit ASes present in the Internet Routing Table: 401
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 227095493
Equivalent to 13 /8s, 137 /16s and 51 /24s
Percentage of available APNIC address space announced: 71.0
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: 103074
Total ARIN prefixes after maximum aggregation: 58421
Prefixes being announced from the ARIN address blocks: 75511
Unique aggregates announced from the ARIN address blocks: 26642
ARIN Region origin ASes present in the Internet Routing Table: 10775
ARIN Region origin ASes announcing only one prefix: 4056
ARIN Region transit ASes present in the Internet Routing Table: 1028
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 293069601
Equivalent to 17 /8s, 119 /16s and 227 /24s
Percentage of available ARIN address space announced: 75.9
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: 39583
Total RIPE prefixes after maximum aggregation: 25577
Prefixes being announced from the RIPE address blocks: 36803
Unique aggregates announced from the RIPE address blocks: 23602
RIPE Region origin ASes present in the Internet Routing Table: 8155
RIPE Region origin ASes announcing only one prefix: 4248
RIPE Region transit ASes present in the Internet Routing Table: 1363
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 252341632
Equivalent to 15 /8s, 10 /16s and 109 /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: 11425
Total LACNIC prefixes after maximum aggregation: 3684
Prefixes being announced from the LACNIC address blocks: 9524
Unique aggregates announced from the LACNIC address blocks: 5529
LACNIC Region origin ASes present in the Internet Routing Table: 694
LACNIC Region origin ASes announcing only one prefix: 231
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 27205632
Equivalent to 1 /8s, 159 /16s and 32 /24s
Percentage of available LACNIC address space announced: 40.5
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: 2209
Total AfriNIC prefixes after maximum aggregation: 912
Prefixes being announced from the AfriNIC address blocks: 1534
Unique aggregates announced from the AfriNIC address blocks: 963
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4124416
Equivalent to 0 /8s, 62 /16s and 239 /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 1194 7130 230 CHINANET-BACKBONE
9583 907 109 17 Sify Limited
4755 903 257 70 Videsh Sanchar Nigam Ltd. Aut
4766 715 4436 310 Korea Telecom (KIX)
1221 650 1668 482 Telstra Pty Ltd
9498 570 211 67 BHARTI BT INTERNET LTD.
7545 534 124 70 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 414 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 330 117 13 PT TELEKOMUNIKASI INDONESIA
4804 305 295 59 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 688 1935 450 UUNET - Commercial IP service
3215 410 1680 93 France Telecom Transpac
1103 356 1990 80 SURFnet, The Netherlands
3352 308 1644 30 Ibernet, Internet Access Netw
3301 305 1327 292 TeliaNet Sweden
3320 287 3989 240 Deutsche Telekom AG
8220 280 471 265 COLT Telecommunications
680 245 2025 242 DFN-IP service G-WiN
3246 236 504 226 Song Networks
5089 236 1659 45 NTL Group Limited
6746 234 89 208 Dynamic Network Technologies,
8708 217 275 202 Romania Data Systems S.A.
1257 216 740 165 SWIPnet Swedish IP Network
24863 212 42 10 LINKdotNET AS number
3269 200 2150 72 TELECOM ITALIA
8551 200 198 24 Bezeq International
30890 189 17 70 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
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4323 3120 740 260 Time Warner Telecom
7018 1476 6158 943 AT&T WorldNet Services
705 1052 532 365 UUNET Technologies, Inc.
721 1017 21993 311 DLA Systems Automation Center
6197 1010 625 472 BellSouth Network Solutions,
174 968 5787 902 Cogent Communications
19029 951 151 110 New Edge Networks
701 948 6763 776 UUNET Technologies, Inc.
18566 942 272 8 Covad Communications
2386 895 557 691 AT&T Data Communications Serv
1239 837 2772 593 Sprint
20115 712 617 380 Charter Communications
19262 709 2103 183 Verizon Global Networks
209 706 3687 550 Qwest
22773 661 1741 40 Cox Communications, Inc.
7011 637 218 415 Citizens Utilities
11492 622 87 22 Cable One
6461 606 227 83 AboveNet Communications, Inc.
852 594 1084 382 Telus Advanced Communications
6478 573 1544 340 AT&T Worldnet Services
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1194 964 CHINANET-BACKBONE
18566 942 934 Covad Communications
9583 907 890 Sify Limited
19029 951 841 New Edge Networks
4755 903 833 Videsh Sanchar Nigam Ltd. Aut
721 1017 706 DLA Systems Automation Center
705 1052 687 UUNET Technologies, Inc.
22773 661 621 Cox Communications, Inc.
11492 622 600 Cable One
6197 1010 538 BellSouth Network Solutions,
7018 1476 533 AT&T WorldNet Services
19262 709 526 Verizon Global Networks
6461 606 523 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 530 507 CenturyTel Internet Holdings,
17488 514 505 Hathway IP Over Cable Interne
9498 570 503 BHARTI BT INTERNET LTD.
855 552 488 Canadian Research Network
8151 704 481 UniNet S.A. de C.V.
2686 569 468 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
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
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
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
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
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 213.154.248.0/28 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
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 /8:19 /9:9 /10:9 /11:28 /12:92
/13:206 /14:360 /15:707 /16:8871 /17:3301 /18:5476
/19:11959 /20:13531 /21:11846 /22:15177 /23:16255 /24:107573
/25:470 /26:362 /27:286 /28:207 /29:230 /30:447
/31:0 /32:99
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
4323 1857 3120 Time Warner Telecom
18566 925 942 Covad Communications
19029 882 951 New Edge Networks
6197 795 1010 BellSouth Network Solutions,
7018 780 1476 AT&T WorldNet Services
9583 736 907 Sify Limited
2386 615 895 AT&T Data Communications Serv
11492 613 622 Cable One
705 610 1052 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 546 637 Citizens Utilities
6461 534 606 AboveNet Communications, Inc.
2686 525 569 IBM
4766 525 715 Korea Telecom (KIX)
702 472 688 UUNET - Commercial IP service
855 426 552 Canadian Research Network
5668 413 530 CenturyTel Internet Holdings,
15270 402 433 PaeTec.net -a division of Pae
1239 387 837 Sprint
6517 364 395 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:42 11:1 12:1642 13:1
15:15 16:3 17:3 18:4 20:43 24:738
25:1 30:2 32:278 38:227 40:54 41:3
44:3 47:6 52:4 55:1 56:3 57:46
58:181 59:209 60:192 61:864 62:885 63:2162
64:3435 65:2277 66:3590 67:632 68:672 69:1546
70:374 71:80 72:754 74:39 80:794 81:666
82:645 83:399 84:398 85:557 86:386 87:363
88:92 89:241 124:296 125:471 128:173 129:190
130:116 131:318 132:34 133:9 134:158 135:48
136:177 137:81 138:206 139:159 140:468 141:129
142:401 143:164 144:224 145:51 146:326 147:141
148:318 149:191 150:114 151:94 152:72 153:107
154:6 155:202 156:99 157:153 158:168 159:173
160:89 161:78 162:244 163:148 164:214 165:202
166:168 167:245 168:609 169:128 170:339 171:14
183:1 190:75 192:5944 193:3377 194:2818 195:2095
196:876 198:3975 199:3245 200:4453 201:951 202:6662
203:7104 204:3973 205:2051 206:2602 207:3348 208:2201
209:4096 210:2077 211:712 212:1406 213:1574 214:363
215:40 216:4349 217:1392 218:305 219:235 220:699
221:359 222:137
End of report
