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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 25 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 201820
Prefixes after maximum aggregation: 106052
Unique aggregates announced to Internet: 92671
Total ASes present in the Internet Routing Table: 22340
Origin-only ASes present in the Internet Routing Table: 19352
Origin ASes announcing only one prefix: 9251
Transit ASes present in the Internet Routing Table: 2988
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 21
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 24
Unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2022100438
Equivalent to 120 /8s, 134 /16s and 205 /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: 103467
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40786
Total APNIC prefixes after maximum aggregation: 16836
Prefixes being announced from the APNIC address blocks: 38408
Unique aggregates announced from the APNIC address blocks: 18340
APNIC Region origin ASes present in the Internet Routing Table: 2572
APNIC Region origin ASes announcing only one prefix: 730
APNIC Region transit ASes present in the Internet Routing Table: 399
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 289035717
Equivalent to 17 /8s, 58 /16s and 85 /24s
Percentage of available APNIC address space announced: 90.4
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: 108366
Total ARIN prefixes after maximum aggregation: 59231
Prefixes being announced from the ARIN address blocks: 80621
Unique aggregates announced from the ARIN address blocks: 26475
ARIN Region origin ASes present in the Internet Routing Table: 10739
ARIN Region origin ASes announcing only one prefix: 4017
ARIN Region transit ASes present in the Internet Routing Table: 1026
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 292779041
Equivalent to 17 /8s, 115 /16s and 116 /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: 39094
Total RIPE prefixes after maximum aggregation: 25415
Prefixes being announced from the RIPE address blocks: 36509
Unique aggregates announced from the RIPE address blocks: 23501
RIPE Region origin ASes present in the Internet Routing Table: 8106
RIPE Region origin ASes announcing only one prefix: 4226
RIPE Region transit ASes present in the Internet Routing Table: 1359
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 250419840
Equivalent to 14 /8s, 237 /16s and 26 /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: 11326
Total LACNIC prefixes after maximum aggregation: 3666
Prefixes being announced from the LACNIC address blocks: 9439
Unique aggregates announced from the LACNIC address blocks: 5539
LACNIC Region origin ASes present in the Internet Routing Table: 687
LACNIC Region origin ASes announcing only one prefix: 229
LACNIC Region transit ASes present in the Internet Routing Table: 135
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 27172096
Equivalent to 1 /8s, 158 /16s and 157 /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: 2225
Total AfriNIC prefixes after maximum aggregation: 904
Prefixes being announced from the AfriNIC address blocks: 1533
Unique aggregates announced from the AfriNIC address blocks: 952
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: 26
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 4097024
Equivalent to 0 /8s, 62 /16s and 132 /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 1164 7084 225 CHINANET-BACKBONE
9583 906 109 16 Sify Limited
4755 890 257 69 Videsh Sanchar Nigam Ltd. Aut
4766 710 4436 310 Korea Telecom (KIX)
1221 654 1684 484 Telstra Pty Ltd
9498 564 211 66 BHARTI BT INTERNET LTD.
7545 534 124 71 TPG Internet Pty Ltd
17488 518 32 9 Hathway IP Over Cable Interne
17676 485 7029 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4802 383 80 176 Wantree Development
9929 372 220 61 China Netcom Corp.
4780 363 226 28 Digital United Inc.
17557 363 28 166 Pakistan Telecom
7474 362 211 230 SingTel Optus Pty Ltd
18101 361 85 24 Reliance Infocom Ltd Internet
17849 353 22 115 Telecommunications Technology
17974 342 118 17 PT TELEKOMUNIKASI INDONESIA
2907 340 1749 314 SINET Japan
4804 304 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 699 1935 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 300 473 269 COLT Telecommunications
3320 285 3988 239 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
5089 237 1659 45 NTL Group Limited
3246 236 504 226 Song Networks
6746 236 89 210 Dynamic Network Technologies,
1257 222 740 170 SWIPnet Swedish IP Network
8708 219 276 202 Romania Data Systems S.A.
24863 214 42 10 LINKdotNET AS number
8551 201 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
8764 194 65 32 LIETUVOS-TELEKOMAS Autonomous
30890 190 17 67 SC Kappa Invexim SRL
8866 177 37 15 Bulgarian Telecommunication C
5400 175 348 141 BT Ignite European Backbone
786 172 1778 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5043 6763 769 UUNET Technologies, Inc.
4323 3108 737 256 Time Warner Telecom
705 1624 596 712 UUNET Technologies, Inc.
7018 1490 6216 963 AT&T WorldNet Services
6197 1007 622 473 BellSouth Network Solutions,
721 998 21977 306 DLA Systems Automation Center
174 957 5787 900 Cogent Communications
19029 952 151 110 New Edge Networks
18566 940 272 8 Covad Communications
2386 883 522 679 AT&T Data Communications Serv
1239 848 2805 602 Sprint
7046 846 256 703 UUNET Technologies, Inc.
19262 705 2106 170 Verizon Global Networks
20115 705 614 380 Charter Communications
209 702 3685 547 Qwest
22773 666 1745 46 Cox Communications, Inc.
7011 636 218 414 Citizens Utilities
6461 622 228 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 3108 2852 Time Warner Telecom
4134 1164 939 CHINANET-BACKBONE
18566 940 932 Covad Communications
705 1624 912 UUNET Technologies, Inc.
9583 906 890 Sify Limited
19029 952 842 New Edge Networks
4755 890 821 Videsh Sanchar Nigam Ltd. Aut
721 998 692 DLA Systems Automation Center
22773 666 620 Cox Communications, Inc.
11492 621 600 Cable One
19262 705 535 Verizon Global Networks
6461 622 535 AboveNet Communications, Inc.
6197 1007 534 BellSouth Network Solutions,
7018 1490 527 AT&T WorldNet Services
19916 563 509 OLM LLC
17488 518 509 Hathway IP Over Cable Interne
5668 528 505 CenturyTel Internet Holdings,
9498 564 498 BHARTI BT INTERNET LTD.
855 553 489 Canadian Research Network
8151 692 473 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
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
65010 PRIVATE 202.83.101.0/24 9255 Singapore Telecom
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65528 PRIVATE 206.210.72.64/26 17054 e-xpedient
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
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 /11:27 /12:91
/13:205 /14:360 /15:709 /16:8842 /17:3280 /18:5469
/19:11944 /20:13511 /21:11831 /22:15311 /23:16602 /24:111507
/25:439 /26:303 /27:294 /28:215 /29:200 /30:477
/31:0 /32:108
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3782 5043 UUNET Technologies, Inc.
4323 1855 3108 Time Warner Telecom
705 1054 1624 UUNET Technologies, Inc.
18566 923 940 Covad Communications
19029 883 952 New Edge Networks
6197 795 1007 BellSouth Network Solutions,
7018 782 1490 AT&T WorldNet Services
9583 735 906 Sify Limited
11492 612 621 Cable One
2386 609 883 AT&T Data Communications Serv
7046 600 846 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 546 622 AboveNet Communications, Inc.
7011 545 636 Citizens Utilities
2686 526 571 IBM
4766 520 710 Korea Telecom (KIX)
702 481 699 UUNET - Commercial IP service
855 427 553 Canadian Research Network
5668 411 528 CenturyTel Internet Holdings,
15270 399 430 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:41 12:1646 13:1 15:14
16:3 17:3 18:4 20:43 24:738 25:1
30:2 32:278 38:217 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:47 58:176
59:202 60:186 61:859 62:891 63:3483 64:3544
65:3680 66:3641 67:650 68:674 69:1538 70:362
71:86 72:720 73:23 74:38 80:791 81:666
82:678 83:395 84:401 85:557 86:399 87:305
88:123 89:219 124:283 125:406 128:162 129:190
130:115 131:318 132:34 133:8 134:162 135:47
136:178 137:77 138:208 139:159 140:469 141:130
142:407 143:165 144:223 145:39 146:329 147:141
148:309 149:190 150:114 151:90 152:72 153:107
154:6 155:202 156:100 157:150 158:167 159:176
160:89 161:79 162:247 163:147 164:222 165:211
166:166 167:242 168:608 169:128 170:337 171:14
183:1 190:73 192:5864 193:3372 194:2749 195:2030
196:880 198:4043 199:3293 200:4442 201:939 202:6664
203:7018 204:4073 205:2188 206:2773 207:3525 208:2953
209:4170 210:2045 211:715 212:1376 213:1568 214:363
215:40 216:4487 217:1380 218:297 219:205 220:662
221:357 222:131
End of report
