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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 16 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 201651
Prefixes after maximum aggregation: 105776
Unique aggregates announced to Internet: 92293
Total ASes present in the Internet Routing Table: 22227
Origin-only ASes present in the Internet Routing Table: 19321
Origin ASes announcing only one prefix: 9190
Transit ASes present in the Internet Routing Table: 2906
Transit-only ASes present in the Internet Routing Table: 67
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 21
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 30
Unregistered ASNs in the Routing Table: 23
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 61
Number of addresses announced to Internet: 2020982993
Equivalent to 120 /8s, 117 /16s and 192 /24s
Percentage of available address space announced: 54.5
Percentage of allocated address space announced: 78.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 102991
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41109
Total APNIC prefixes after maximum aggregation: 16689
Prefixes being announced from the APNIC address blocks: 38749
Unique aggregates announced from the APNIC address blocks: 18275
APNIC Region origin ASes present in the Internet Routing Table: 2564
APNIC Region origin ASes announcing only one prefix: 723
APNIC Region transit ASes present in the Internet Routing Table: 396
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 288556100
Equivalent to 17 /8s, 51 /16s and 4 /24s
Percentage of available APNIC address space announced: 90.2
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: 108170
Total ARIN prefixes after maximum aggregation: 59216
Prefixes being announced from the ARIN address blocks: 80541
Unique aggregates announced from the ARIN address blocks: 26529
ARIN Region origin ASes present in the Internet Routing Table: 10727
ARIN Region origin ASes announcing only one prefix: 4011
ARIN Region transit ASes present in the Internet Routing Table: 990
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 293233441
Equivalent to 17 /8s, 122 /16s and 99 /24s
Percentage of available ARIN address space announced: 76.0
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
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: 38872
Total RIPE prefixes after maximum aggregation: 25314
Prefixes being announced from the RIPE address blocks: 36307
Unique aggregates announced from the RIPE address blocks: 23197
RIPE Region origin ASes present in the Internet Routing Table: 8026
RIPE Region origin ASes announcing only one prefix: 4182
RIPE Region transit ASes present in the Internet Routing Table: 1328
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 249570816
Equivalent to 14 /8s, 224 /16s and 38 /24s
Percentage of available RIPE address space announced: 78.3
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
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: 11318
Total LACNIC prefixes after maximum aggregation: 3655
Prefixes being announced from the LACNIC address blocks: 9433
Unique aggregates announced from the LACNIC address blocks: 5510
LACNIC Region origin ASes present in the Internet Routing Table: 686
LACNIC Region origin ASes announcing only one prefix: 226
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 26951680
Equivalent to 1 /8s, 155 /16s and 64 /24s
Percentage of available LACNIC address space announced: 40.2
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: 2154
Total AfriNIC prefixes after maximum aggregation: 902
Prefixes being announced from the AfriNIC address blocks: 1475
Unique aggregates announced from the AfriNIC address blocks: 944
AfriNIC Region origin ASes present in the Internet Routing Table: 157
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4086784
Equivalent to 0 /8s, 62 /16s and 92 /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 1133 7073 220 CHINANET-BACKBONE
9583 901 109 16 Sify Limited
4755 886 259 69 Videsh Sanchar Nigam Ltd. Aut
4538 723 2686 31 China Education and Research
4766 709 4436 310 Korea Telecom (KIX)
1221 656 1556 482 Telstra Pty Ltd
9498 565 211 67 BHARTI BT INTERNET LTD.
7545 532 124 71 TPG Internet Pty Ltd
17488 501 31 7 Hathway IP Over Cable Interne
17676 487 7029 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4802 383 80 174 Wantree Development
9929 373 221 58 China Netcom Corp.
7474 363 211 230 SingTel Optus Pty Ltd
4780 361 226 28 Digital United Inc.
17849 351 22 113 Telecommunications Technology
18101 345 85 23 Reliance Infocom Ltd Internet
17974 340 135 19 PT TELEKOMUNIKASI INDONESIA
2907 338 1749 313 SINET Japan
17557 336 28 166 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 705 1952 457 UUNET - Commercial IP service
3215 530 1664 94 France Telecom Transpac
3301 307 1071 293 TeliaNet Sweden
8220 299 473 268 COLT Telecommunications
3352 296 1628 30 Ibernet, Internet Access Netw
3320 284 3988 239 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
5089 239 1659 45 NTL Group Limited
3246 236 504 226 Song Networks
6746 230 89 206 Dynamic Network Technologies,
8708 218 275 201 Romania Data Systems S.A.
1257 217 742 168 SWIPnet Swedish IP Network
24863 209 41 10 LINKdotNET AS number
8551 202 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
8866 177 37 15 Bulgarian Telecommunication C
5400 173 348 141 BT Ignite European Backbone
30890 173 15 66 SC Kappa Invexim SRL
786 172 1778 172 The JANET IP Service
6830 169 765 35 UPC Distribution Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5063 8027 778 UUNET Technologies, Inc.
4323 3099 734 257 Time Warner Telecom
705 1632 597 712 UUNET Technologies, Inc.
7018 1519 6236 969 AT&T WorldNet Services
6197 1008 622 473 BellSouth Network Solutions,
721 996 21945 304 DLA Systems Automation Center
174 960 5787 903 Cogent Communications
19029 952 151 110 New Edge Networks
18566 939 272 8 Covad Communications
2386 877 537 667 AT&T Data Communications Serv
1239 855 2813 604 Sprint
7046 844 257 703 UUNET Technologies, Inc.
209 709 3673 554 Qwest
19262 704 2121 169 Verizon Global Networks
20115 693 607 380 Charter Communications
22773 657 1745 42 Cox Communications, Inc.
7011 635 218 413 Citizens Utilities
11492 632 86 23 Cable One
6461 617 227 83 AboveNet Communications, Inc.
852 598 1085 384 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3099 2842 Time Warner Telecom
18566 939 931 Covad Communications
705 1632 920 UUNET Technologies, Inc.
4134 1133 913 CHINANET-BACKBONE
9583 901 885 Sify Limited
19029 952 842 New Edge Networks
4755 886 817 Videsh Sanchar Nigam Ltd. Aut
721 996 692 DLA Systems Automation Center
4538 723 692 China Education and Research
22773 657 615 Cox Communications, Inc.
11492 632 609 Cable One
7018 1519 550 AT&T WorldNet Services
6197 1008 535 BellSouth Network Solutions,
19262 704 535 Verizon Global Networks
6461 617 534 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 526 503 CenturyTel Internet Holdings,
9498 565 498 BHARTI BT INTERNET LTD.
17488 501 494 Hathway IP Over Cable Interne
8151 703 484 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
65241 PRIVATE 65.90.71.0/24 10794 Bank of America
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
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
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,
65512 PRIVATE 213.154.230.0/24 12859 Business Internet Tr
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,
36366 UNALLOCATED 216.130.247.0/24 174 Cogent Communication
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
192.119.135.0/24 270 NASA
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
/13:208 /14:362 /15:710 /16:8864 /17:3270 /18:5463
/19:11992 /20:13676 /21:11812 /22:15252 /23:16436 /24:111309
/25:456 /26:318 /27:305 /28:214 /29:238 /30:451
/31:0 /32:101
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3789 5063 UUNET Technologies, Inc.
4323 1847 3099 Time Warner Telecom
705 1061 1632 UUNET Technologies, Inc.
18566 922 939 Covad Communications
19029 883 952 New Edge Networks
7018 797 1519 AT&T WorldNet Services
6197 796 1008 BellSouth Network Solutions,
9583 729 901 Sify Limited
11492 623 632 Cable One
2386 601 877 AT&T Data Communications Serv
7046 597 844 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 545 617 AboveNet Communications, Inc.
7011 544 635 Citizens Utilities
2686 527 570 IBM
4766 519 709 Korea Telecom (KIX)
702 486 705 UUNET - Commercial IP service
855 416 534 Canadian Research Network
5668 408 526 CenturyTel Internet Holdings,
15270 396 427 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:42 12:1639 13:1 15:12
16:3 17:3 18:4 20:43 24:745 25:1
30:2 32:279 38:215 40:53 41:1 44:3
47:6 52:4 55:1 56:3 57:44 58:157
59:204 60:179 61:857 62:880 63:3488 64:3543
65:3671 66:3623 67:648 68:676 69:1515 70:357
71:82 72:708 73:23 74:35 80:832 81:660
82:663 83:395 84:374 85:523 86:353 87:313
88:87 89:187 124:277 125:387 128:160 129:189
130:114 131:320 132:34 133:8 134:159 135:46
136:178 137:76 138:202 139:159 140:468 141:136
142:391 143:165 144:227 145:39 146:327 147:141
148:327 149:190 150:114 151:88 152:71 153:107
154:6 155:199 156:103 157:145 158:161 159:172
160:87 161:78 162:261 163:146 164:224 165:199
166:163 167:245 168:607 169:128 170:336 171:14
183:1 190:100 192:5855 193:3427 194:2739 195:1970
196:854 198:4029 199:3300 200:4425 201:937 202:6783
203:6959 204:4082 205:2227 206:2777 207:3539 208:2911
209:4175 210:1997 211:733 212:1376 213:1581 214:363
215:41 216:4510 217:1396 218:290 219:227 220:655
221:358 222:172
End of report
