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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 01 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 202619
Prefixes after maximum aggregation: 106371
Unique aggregates announced to Internet: 92103
Total ASes present in the Internet Routing Table: 22410
Origin-only ASes present in the Internet Routing Table: 19408
Origin ASes announcing only one prefix: 9274
Transit ASes present in the Internet Routing Table: 3002
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 20
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 32
Unregistered ASNs in the Routing Table: 24
Special use prefixes present in the Routing Table: 7
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2027166871
Equivalent to 120 /8s, 212 /16s and 28 /24s
Percentage of available address space announced: 54.7
Percentage of allocated address space announced: 79.1
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 104131
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41111
Total APNIC prefixes after maximum aggregation: 16925
Prefixes being announced from the APNIC address blocks: 38731
Unique aggregates announced from the APNIC address blocks: 17543
APNIC Region origin ASes present in the Internet Routing Table: 2583
APNIC Region origin ASes announcing only one prefix: 732
APNIC Region transit ASes present in the Internet Routing Table: 410
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 294225093
Equivalent to 17 /8s, 137 /16s and 132 /24s
Percentage of available APNIC address space announced: 92.0
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: 108491
Total ARIN prefixes after maximum aggregation: 59263
Prefixes being announced from the ARIN address blocks: 80774
Unique aggregates announced from the ARIN address blocks: 26539
ARIN Region origin ASes present in the Internet Routing Table: 10757
ARIN Region origin ASes announcing only one prefix: 4032
ARIN Region transit ASes present in the Internet Routing Table: 1023
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 292965409
Equivalent to 17 /8s, 118 /16s and 76 /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: 39391
Total RIPE prefixes after maximum aggregation: 25582
Prefixes being announced from the RIPE address blocks: 36789
Unique aggregates announced from the RIPE address blocks: 23649
RIPE Region origin ASes present in the Internet Routing Table: 8142
RIPE Region origin ASes announcing only one prefix: 4230
RIPE Region transit ASes present in the Internet Routing Table: 1367
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 250659392
Equivalent to 14 /8s, 240 /16s and 194 /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: 11388
Total LACNIC prefixes after maximum aggregation: 3689
Prefixes being announced from the LACNIC address blocks: 9495
Unique aggregates announced from the LACNIC address blocks: 5556
LACNIC Region origin ASes present in the Internet Routing Table: 696
LACNIC Region origin ASes announcing only one prefix: 231
LACNIC Region transit ASes present in the Internet Routing Table: 137
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 27209728
Equivalent to 1 /8s, 159 /16s and 48 /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: 912
Prefixes being announced from the AfriNIC address blocks: 1534
Unique aggregates announced from the AfriNIC address blocks: 959
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 4126464
Equivalent to 0 /8s, 62 /16s and 247 /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 1195 7088 227 CHINANET-BACKBONE
4755 905 257 68 Videsh Sanchar Nigam Ltd. Aut
9583 879 109 17 Sify Limited
4766 712 4436 310 Korea Telecom (KIX)
1221 650 1668 482 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
17557 391 30 179 Pakistan Telecom
4802 379 80 174 Wantree Development
9929 372 220 61 China Netcom Corp.
4780 362 225 27 Digital United Inc.
7474 362 211 229 SingTel Optus Pty Ltd
17849 353 22 115 Telecommunications Technology
17974 348 119 18 PT TELEKOMUNIKASI INDONESIA
2907 339 1733 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
702 689 1935 451 UUNET - Commercial IP service
3215 524 1664 94 France Telecom Transpac
3301 307 1071 294 TeliaNet Sweden
3352 307 1644 30 Ibernet, Internet Access Netw
3320 285 3988 239 Deutsche Telekom AG
8220 284 456 268 COLT Telecommunications
680 245 2025 242 DFN-IP service G-WiN
6746 237 89 211 Dynamic Network Technologies,
3246 236 504 226 Song Networks
5089 236 1659 45 NTL Group Limited
1257 220 740 168 SWIPnet Swedish IP Network
8708 217 275 202 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
8551 200 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
30890 190 17 71 SC Kappa Invexim SRL
8866 182 37 16 Bulgarian Telecommunication C
5400 176 348 142 BT Ignite European Backbone
786 172 1778 172 The JANET IP Service
6830 172 781 36 UPC Distribution Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5025 6763 770 UUNET Technologies, Inc.
4323 3119 737 255 Time Warner Telecom
705 1618 586 708 UUNET Technologies, Inc.
7018 1494 6209 958 AT&T WorldNet Services
6197 1009 623 474 BellSouth Network Solutions,
721 1007 21977 307 DLA Systems Automation Center
174 969 5788 903 Cogent Communications
19029 951 151 110 New Edge Networks
18566 942 272 8 Covad Communications
2386 892 523 686 AT&T Data Communications Serv
7046 846 256 703 UUNET Technologies, Inc.
1239 845 2789 599 Sprint
19262 708 2106 172 Verizon Global Networks
209 704 3687 548 Qwest
20115 704 612 379 Charter Communications
22773 659 1741 40 Cox Communications, Inc.
7011 637 218 415 Citizens Utilities
11492 631 87 21 Cable One
6461 609 228 87 AboveNet Communications, Inc.
852 592 1084 380 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3119 2864 Time Warner Telecom
4134 1195 968 CHINANET-BACKBONE
18566 942 934 Covad Communications
705 1618 910 UUNET Technologies, Inc.
9583 879 862 Sify Limited
19029 951 841 New Edge Networks
4755 905 837 Videsh Sanchar Nigam Ltd. Aut
721 1007 700 DLA Systems Automation Center
22773 659 619 Cox Communications, Inc.
11492 631 610 Cable One
7018 1494 536 AT&T WorldNet Services
19262 708 536 Verizon Global Networks
6197 1009 535 BellSouth Network Solutions,
6461 609 522 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 704 482 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
36672 UNALLOCATED 12.161.230.0/24 7018 AT&T WorldNet Servic
39946 UNALLOCATED 12.195.3.0/24 7018 AT&T WorldNet Servic
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
36802 UNALLOCATED 64.27.32.0/20 6395 Broadwing Communicat
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
36790 UNALLOCATED 72.248.109.0/24 17113 Commrail, Inc.
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
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
36839 UNALLOCATED 208.67.64.0/21 25973 Mzima Networks, Inc.
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
172.17.88.0/24 21240 HeliosNet Autonomous System
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 /8:20 /9:67 /10:10 /11:27 /12:91
/13:206 /14:360 /15:708 /16:8838 /17:3291 /18:5479
/19:11958 /20:13526 /21:11874 /22:15345 /23:16633 /24:112022
/25:454 /26:348 /27:291 /28:231 /29:237 /30:492
/31:0 /32:111
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3763 5025 UUNET Technologies, Inc.
4323 1861 3119 Time Warner Telecom
705 1052 1618 UUNET Technologies, Inc.
18566 925 942 Covad Communications
19029 882 951 New Edge Networks
6197 797 1009 BellSouth Network Solutions,
7018 783 1494 AT&T WorldNet Services
9583 709 879 Sify Limited
11492 622 631 Cable One
2386 615 892 AT&T Data Communications Serv
7046 602 846 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 546 637 Citizens Utilities
6461 533 609 AboveNet Communications, Inc.
2686 525 570 IBM
4766 522 712 Korea Telecom (KIX)
702 473 689 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 12:1644 13:1
15:14 16:3 17:3 18:4 20:43 24:744
25:1 30:2 32:278 38:225 40:54 41:3
44:3 47:6 52:4 55:1 56:3 57:47
58:178 59:205 60:187 61:867 62:895 63:3477
64:3534 65:3677 66:3651 67:654 68:675 69:1551
70:368 71:80 72:741 74:39 80:850 81:664
82:651 83:408 84:401 85:559 86:399 87:361
88:86 89:240 124:296 125:473 128:164 129:191
130:117 131:317 132:34 133:9 134:159 135:48
136:178 137:79 138:205 139:158 140:467 141:129
142:408 143:164 144:223 145:39 146:328 147:141
148:311 149:191 150:114 151:90 152:72 153:107
154:6 155:201 156:100 157:147 158:167 159:170
160:89 161:79 162:245 163:147 164:222 165:202
166:166 167:245 168:609 169:128 170:337 171:14
172:1 183:1 190:75 192:5867 193:3437 194:2753
195:2054 196:878 198:4039 199:3294 200:4445 201:948
202:6643 203:7081 204:4070 205:2197 206:2778 207:3542
208:2961 209:4178 210:2044 211:722 212:1402 213:1575
214:357 215:40 216:4516 217:1396 218:306 219:227
220:712 221:301 222:163
End of report
