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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 04 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 202543
Prefixes after maximum aggregation: 106345
Unique aggregates announced to Internet: 92831
Total ASes present in the Internet Routing Table: 22405
Origin-only ASes present in the Internet Routing Table: 19452
Origin ASes announcing only one prefix: 9293
Transit ASes present in the Internet Routing Table: 2953
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 6.2
Max AS path length visible: 23
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 28
Unregistered ASNs in the Routing Table: 22
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2024094422
Equivalent to 120 /8s, 165 /16s and 58 /24s
Percentage of available address space announced: 54.6
Percentage of allocated address space announced: 79.0
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 103987
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40937
Total APNIC prefixes after maximum aggregation: 16884
Prefixes being announced from the APNIC address blocks: 38571
Unique aggregates announced from the APNIC address blocks: 18272
APNIC Region origin ASes present in the Internet Routing Table: 2577
APNIC Region origin ASes announcing only one prefix: 729
APNIC Region transit ASes present in the Internet Routing Table: 397
Average APNIC Region AS path length visible: 6.9
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 289735620
Equivalent to 17 /8s, 69 /16s and 3 /24s
Percentage of available APNIC address space announced: 90.6
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: 108357
Total ARIN prefixes after maximum aggregation: 59280
Prefixes being announced from the ARIN address blocks: 80667
Unique aggregates announced from the ARIN address blocks: 26580
ARIN Region origin ASes present in the Internet Routing Table: 10757
ARIN Region origin ASes announcing only one prefix: 4043
ARIN Region transit ASes present in the Internet Routing Table: 994
Average ARIN Region AS path length visible: 5.8
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 293062945
Equivalent to 17 /8s, 119 /16s and 201 /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: 39517
Total RIPE prefixes after maximum aggregation: 25575
Prefixes being announced from the RIPE address blocks: 36748
Unique aggregates announced from the RIPE address blocks: 23604
RIPE Region origin ASes present in the Internet Routing Table: 8149
RIPE Region origin ASes announcing only one prefix: 4241
RIPE Region transit ASes present in the Internet Routing Table: 1375
Average RIPE Region AS path length visible: 6.2
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 252117632
Equivalent to 15 /8s, 7 /16s and 2 /24s
Percentage of available RIPE address space announced: 79.1
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: 11482
Total LACNIC prefixes after maximum aggregation: 3698
Prefixes being announced from the LACNIC address blocks: 9566
Unique aggregates announced from the LACNIC address blocks: 5536
LACNIC Region origin ASes present in the Internet Routing Table: 695
LACNIC Region origin ASes announcing only one prefix: 232
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 6.9
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 27227136
Equivalent to 1 /8s, 159 /16s and 116 /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: 2223
Total AfriNIC prefixes after maximum aggregation: 908
Prefixes being announced from the AfriNIC address blocks: 1535
Unique aggregates announced from the AfriNIC address blocks: 958
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 6.3
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 4126976
Equivalent to 0 /8s, 62 /16s and 249 /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 7134 226 CHINANET-BACKBONE
4755 905 257 70 Videsh Sanchar Nigam Ltd. Aut
9583 895 109 16 Sify Limited
4766 715 4436 310 Korea Telecom (KIX)
1221 649 1668 481 Telstra Pty Ltd
9498 576 211 67 BHARTI BT INTERNET LTD.
7545 535 124 71 TPG Internet Pty Ltd
17488 520 32 9 Hathway IP Over Cable Interne
17676 486 7029 110 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
18101 410 85 24 Reliance Infocom Ltd Internet
17557 394 30 179 Pakistan Telecom
4802 377 80 172 Wantree Development
9929 372 220 61 China Netcom Corp.
4780 361 225 27 Digital United Inc.
7474 361 211 229 SingTel Optus Pty Ltd
17849 360 22 115 Telecommunications Technology
17974 349 119 17 PT TELEKOMUNIKASI INDONESIA
2907 340 1765 315 SINET Japan
4804 304 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 689 1936 452 UUNET - Commercial IP service
3215 410 1680 93 France Telecom Transpac
1103 356 1990 80 SURFnet, The Netherlands
3352 309 1644 30 Ibernet, Internet Access Netw
3301 305 1327 292 TeliaNet Sweden
3320 284 3988 238 Deutsche Telekom AG
8220 282 472 266 COLT Telecommunications
680 245 2025 242 DFN-IP service G-WiN
6746 240 90 214 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 212 42 10 LINKdotNET AS number
8551 200 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
30890 189 17 70 SC Kappa Invexim SRL
8866 180 37 15 Bulgarian Telecommunication C
5400 176 348 142 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
701 5022 6764 773 UUNET Technologies, Inc.
4323 3120 740 261 Time Warner Telecom
705 1615 586 706 UUNET Technologies, Inc.
7018 1489 6191 949 AT&T WorldNet Services
721 1016 21993 311 DLA Systems Automation Center
6197 1008 625 479 BellSouth Network Solutions,
174 968 5787 903 Cogent Communications
19029 950 151 110 New Edge Networks
18566 942 272 8 Covad Communications
2386 896 557 691 AT&T Data Communications Serv
1239 851 2781 604 Sprint
7046 845 257 701 UUNET Technologies, Inc.
19262 709 2106 173 Verizon Global Networks
20115 708 613 384 Charter Communications
209 706 3687 550 Qwest
22773 658 1741 37 Cox Communications, Inc.
7011 637 218 415 Citizens Utilities
11492 631 87 21 Cable One
6461 607 227 84 AboveNet Communications, Inc.
852 593 1084 381 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3120 2859 Time Warner Telecom
4134 1194 968 CHINANET-BACKBONE
18566 942 934 Covad Communications
705 1615 909 UUNET Technologies, Inc.
9583 895 879 Sify Limited
19029 950 840 New Edge Networks
4755 905 835 Videsh Sanchar Nigam Ltd. Aut
721 1016 705 DLA Systems Automation Center
22773 658 621 Cox Communications, Inc.
11492 631 610 Cable One
7018 1489 540 AT&T WorldNet Services
19262 709 536 Verizon Global Networks
6197 1008 529 BellSouth Network Solutions,
6461 607 523 AboveNet Communications, Inc.
17488 520 511 Hathway IP Over Cable Interne
9498 576 509 BHARTI BT INTERNET LTD.
19916 563 509 OLM LLC
5668 530 507 CenturyTel Internet Holdings,
855 553 489 Canadian Research Network
8151 703 478 UniNet S.A. de C.V.
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
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
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
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
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 /10:9 /11:28 /12:92
/13:206 /14:360 /15:709 /16:8859 /17:3302 /18:5492
/19:11964 /20:13528 /21:11875 /22:15308 /23:16641 /24:112005
/25:454 /26:352 /27:286 /28:209 /29:230 /30:448
/31:0 /32:100
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3759 5022 UUNET Technologies, Inc.
4323 1856 3120 Time Warner Telecom
705 1048 1615 UUNET Technologies, Inc.
18566 925 942 Covad Communications
19029 881 950 New Edge Networks
6197 793 1008 BellSouth Network Solutions,
7018 786 1489 AT&T WorldNet Services
9583 724 895 Sify Limited
11492 622 631 Cable One
2386 615 896 AT&T Data Communications Serv
7046 600 845 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 546 637 Citizens Utilities
6461 534 607 AboveNet Communications, Inc.
2686 529 574 IBM
4766 525 715 Korea Telecom (KIX)
702 473 689 UUNET - Commercial IP service
855 427 553 Canadian Research Network
5668 413 530 CenturyTel Internet Holdings,
15270 402 433 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:42 11:1 12:1636 13:1
15:14 16:3 17:3 18:4 20:43 24:743
25:1 30:2 32:282 38:229 40:54 41:3
44:3 47:6 52:4 55:1 56:3 57:46
58:181 59:215 60:188 61:870 62:885 63:3458
64:3525 65:3671 66:3644 67:649 68:670 69:1546
70:371 71:80 72:749 74:39 80:793 81:674
82:649 83:400 84:397 85:551 86:386 87:361
88:90 89:240 124:293 125:457 128:167 129:190
130:116 131:317 132:34 133:9 134:159 135:48
136:178 137:79 138:205 139:158 140:470 141:128
142:408 143:164 144:223 145:51 146:327 147:141
148:315 149:191 150:113 151:94 152:72 153:107
154:6 155:202 156:99 157:153 158:167 159:173
160:89 161:79 162:245 163:147 164:222 165:202
166:166 167:245 168:608 169:128 170:339 171:14
183:1 190:75 192:5954 193:3385 194:2816 195:2082
196:876 198:4041 199:3293 200:4465 201:981 202:6622
203:7008 204:4084 205:2180 206:2785 207:3536 208:2961
209:4183 210:2064 211:704 212:1405 213:1575 214:360
215:40 216:4513 217:1387 218:302 219:231 220:699
221:356 222:127
End of report
