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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 27 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 202471
Prefixes after maximum aggregation: 106255
Unique aggregates announced to Internet: 92763
Total ASes present in the Internet Routing Table: 22389
Origin-only ASes present in the Internet Routing Table: 19423
Origin ASes announcing only one prefix: 9282
Transit ASes present in the Internet Routing Table: 2966
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 36
Unregistered ASNs in the Routing Table: 27
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2022749813
Equivalent to 120 /8s, 144 /16s and 182 /24s
Percentage of available address space announced: 54.6
Percentage of allocated address space announced: 78.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 104014
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41081
Total APNIC prefixes after maximum aggregation: 16874
Prefixes being announced from the APNIC address blocks: 38705
Unique aggregates announced from the APNIC address blocks: 18377
APNIC Region origin ASes present in the Internet Routing Table: 2591
APNIC Region origin ASes announcing only one prefix: 742
APNIC Region transit ASes present in the Internet Routing Table: 402
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 289800612
Equivalent to 17 /8s, 70 /16s and 1 /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: 108451
Total ARIN prefixes after maximum aggregation: 59298
Prefixes being announced from the ARIN address blocks: 80727
Unique aggregates announced from the ARIN address blocks: 26516
ARIN Region origin ASes present in the Internet Routing Table: 10756
ARIN Region origin ASes announcing only one prefix: 4036
ARIN Region transit ASes present in the Internet Routing Table: 1018
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 292912673
Equivalent to 17 /8s, 117 /16s and 126 /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: 39331
Total RIPE prefixes after maximum aggregation: 25518
Prefixes being announced from the RIPE address blocks: 36756
Unique aggregates announced from the RIPE address blocks: 23547
RIPE Region origin ASes present in the Internet Routing Table: 8125
RIPE Region origin ASes announcing only one prefix: 4231
RIPE Region transit ASes present in the Internet Routing Table: 1351
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 250568320
Equivalent to 14 /8s, 239 /16s and 94 /24s
Percentage of available RIPE address space announced: 78.6
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: 11373
Total LACNIC prefixes after maximum aggregation: 3660
Prefixes being announced from the LACNIC address blocks: 9477
Unique aggregates announced from the LACNIC address blocks: 5521
LACNIC Region origin ASes present in the Internet Routing Table: 684
LACNIC Region origin ASes announcing only one prefix: 224
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 27169792
Equivalent to 1 /8s, 158 /16s and 148 /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: 2212
Total AfriNIC prefixes after maximum aggregation: 905
Prefixes being announced from the AfriNIC address blocks: 1518
Unique aggregates announced from the AfriNIC address blocks: 954
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 29
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4098304
Equivalent to 0 /8s, 62 /16s and 137 /24s
Percentage of available AfriNIC address space announced: 12.2
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 1193 7080 218 CHINANET-BACKBONE
9583 910 109 16 Sify Limited
4755 891 257 64 Videsh Sanchar Nigam Ltd. Aut
4766 713 4436 310 Korea Telecom (KIX)
1221 654 1668 483 Telstra Pty Ltd
9498 565 211 67 BHARTI BT INTERNET LTD.
7545 534 124 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 411 85 24 Reliance Infocom Ltd Internet
4802 381 80 174 Wantree Development
9929 372 220 61 China Netcom Corp.
17557 365 29 169 Pakistan Telecom
4780 363 226 28 Digital United Inc.
7474 362 211 230 SingTel Optus Pty Ltd
17849 353 22 115 Telecommunications Technology
17974 345 118 17 PT TELEKOMUNIKASI INDONESIA
2907 341 1750 316 SINET Japan
4804 304 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 693 1936 452 UUNET - Commercial IP service
3215 415 1664 94 France Telecom Transpac
3301 308 1072 294 TeliaNet Sweden
3352 308 1644 30 Ibernet, Internet Access Netw
8220 301 473 270 COLT Telecommunications
3320 284 3988 238 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
5089 237 1659 45 NTL Group Limited
6746 237 89 211 Dynamic Network Technologies,
3246 236 504 226 Song Networks
1257 220 740 168 SWIPnet Swedish IP Network
8708 219 276 202 Romania Data Systems S.A.
24863 214 42 11 LINKdotNET AS number
8551 200 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
8764 192 65 32 LIETUVOS-TELEKOMAS Autonomous
30890 190 17 67 SC Kappa Invexim SRL
8866 180 37 16 Bulgarian Telecommunication C
5400 175 348 141 BT Ignite European Backbone
6830 172 781 36 UPC Distribution Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5057 6780 775 UUNET Technologies, Inc.
4323 3104 737 254 Time Warner Telecom
705 1621 595 709 UUNET Technologies, Inc.
7018 1510 6225 970 AT&T WorldNet Services
6197 1008 623 474 BellSouth Network Solutions,
721 1000 21977 306 DLA Systems Automation Center
174 963 5771 897 Cogent Communications
19029 951 151 110 New Edge Networks
18566 940 272 8 Covad Communications
2386 888 523 683 AT&T Data Communications Serv
7046 849 257 706 UUNET Technologies, Inc.
1239 846 2797 601 Sprint
19262 707 2122 172 Verizon Global Networks
20115 704 614 379 Charter Communications
209 702 3685 548 Qwest
22773 655 1741 35 Cox Communications, Inc.
7011 636 218 414 Citizens Utilities
6461 621 228 87 AboveNet Communications, Inc.
11492 621 87 21 Cable One
852 595 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3104 2850 Time Warner Telecom
4134 1193 975 CHINANET-BACKBONE
18566 940 932 Covad Communications
705 1621 912 UUNET Technologies, Inc.
9583 910 894 Sify Limited
19029 951 841 New Edge Networks
4755 891 827 Videsh Sanchar Nigam Ltd. Aut
721 1000 694 DLA Systems Automation Center
22773 655 620 Cox Communications, Inc.
11492 621 600 Cable One
7018 1510 540 AT&T WorldNet Services
19262 707 535 Verizon Global Networks
6197 1008 534 BellSouth Network Solutions,
6461 621 534 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 530 507 CenturyTel Internet Holdings,
17488 514 505 Hathway IP Over Cable Interne
9498 565 498 BHARTI BT INTERNET LTD.
855 553 489 Canadian Research Network
8151 705 481 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
36814 UNALLOCATED 65.69.244.0/22 22773 Cox Communications,
36817 UNALLOCATED 66.112.176.0/20 6539 GT Group Telecom Ser
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
36863 UNALLOCATED 67.98.233.0/24 6395 Broadwing Communicat
36814 UNALLOCATED 70.169.204.0/24 22773 Cox Communications,
36235 UNALLOCATED 71.40.60.0/24 11427 ServiceCo LLC - Road
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
34096 UNALLOCATED 83.136.176.0/22 8400 "TELEKOM SRBIJA" a.d
65516 PRIVATE 84.222.96.0/22 3257 Tiscali Intl Network
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
39547 UNALLOCATED 194.50.53.0/24 20960 Rom West Electronic
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
40961 UNALLOCATED 195.189.32.0/22 15833 Futuro Poland Autono
39814 UNALLOCATED 195.189.144.0/23 8708 Romania Data Systems
39867 UNALLOCATED 195.189.162.0/23 13237 LambdaNet AS for Eur
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
24481 UNALLOCATED 202.79.16.0/21 17494 Telecom Operator & I
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
36235 UNALLOCATED 209.30.100.0/24 11427 ServiceCo LLC - Road
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
10.3.88.0/24 21240 HeliosNet Autonomous System
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
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 /12:91
/13:206 /14:360 /15:710 /16:8849 /17:3293 /18:5484
/19:11971 /20:13523 /21:11864 /22:15340 /23:16646 /24:111904
/25:442 /26:326 /27:296 /28:218 /29:237 /30:482
/31:0 /32:106
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3793 5057 UUNET Technologies, Inc.
4323 1852 3104 Time Warner Telecom
705 1053 1621 UUNET Technologies, Inc.
18566 923 940 Covad Communications
19029 882 951 New Edge Networks
6197 796 1008 BellSouth Network Solutions,
7018 789 1510 AT&T WorldNet Services
9583 739 910 Sify Limited
11492 612 621 Cable One
2386 611 888 AT&T Data Communications Serv
7046 603 849 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 545 621 AboveNet Communications, Inc.
7011 545 636 Citizens Utilities
2686 527 572 IBM
4766 523 713 Korea Telecom (KIX)
702 476 693 UUNET - Commercial IP service
855 427 553 Canadian Research Network
5668 413 530 CenturyTel Internet Holdings,
15270 401 432 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:42 10:1 12:1643 13:1
15:14 16:3 17:3 18:4 20:43 24:737
25:1 30:2 32:278 38:223 40:54 41:3
44:3 47:6 52:4 55:1 56:3 57:47
58:177 59:209 60:188 61:861 62:892 63:3480
64:3550 65:3688 66:3642 67:649 68:673 69:1545
70:364 71:87 72:729 73:23 74:38 80:791
81:668 82:676 83:403 84:401 85:597 86:398
87:345 88:122 89:223 124:288 125:410 128:161
129:190 130:117 131:317 132:34 133:8 134:158
135:48 136:178 137:77 138:208 139:159 140:469
141:130 142:407 143:165 144:224 145:39 146:329
147:141 148:311 149:190 150:114 151:90 152:72
153:107 154:6 155:202 156:100 157:152 158:167
159:177 160:89 161:79 162:247 163:147 164:222
165:212 166:165 167:245 168:610 169:128 170:337
171:14 183:1 190:73 192:5861 193:3384 194:2756
195:2051 196:865 198:4018 199:3292 200:4442 201:938
202:6682 203:7049 204:4069 205:2205 206:2778 207:3527
208:2955 209:4182 210:2069 211:723 212:1396 213:1588
214:355 215:40 216:4490 217:1390 218:303 219:206
220:711 221:358 222:163
End of report
