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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 14 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 202078
Prefixes after maximum aggregation: 106437
Unique aggregates announced to Internet: 93268
Total ASes present in the Internet Routing Table: 22524
Origin-only ASes present in the Internet Routing Table: 19547
Origin ASes announcing only one prefix: 9353
Transit ASes present in the Internet Routing Table: 2977
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 25
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 28
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1534079814
Equivalent to 91 /8s, 112 /16s and 51 /24s
Percentage of available address space announced: 41.4
Percentage of allocated address space announced: 59.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 103024
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41710
Total APNIC prefixes after maximum aggregation: 17006
Prefixes being announced from the APNIC address blocks: 39302
Unique aggregates announced from the APNIC address blocks: 18470
APNIC Region origin ASes present in the Internet Routing Table: 2612
APNIC Region origin ASes announcing only one prefix: 737
APNIC Region transit ASes present in the Internet Routing Table: 404
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 232624292
Equivalent to 13 /8s, 221 /16s and 144 /24s
Percentage of available APNIC address space announced: 72.7
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: 107093
Total ARIN prefixes after maximum aggregation: 59128
Prefixes being announced from the ARIN address blocks: 79192
Unique aggregates announced from the ARIN address blocks: 26674
ARIN Region origin ASes present in the Internet Routing Table: 10795
ARIN Region origin ASes announcing only one prefix: 4062
ARIN Region transit ASes present in the Internet Routing Table: 1024
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 293810977
Equivalent to 17 /8s, 131 /16s and 51 /24s
Percentage of available ARIN address space announced: 76.1
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: 39505
Total RIPE prefixes after maximum aggregation: 25697
Prefixes being announced from the RIPE address blocks: 36910
Unique aggregates announced from the RIPE address blocks: 23777
RIPE Region origin ASes present in the Internet Routing Table: 8200
RIPE Region origin ASes announcing only one prefix: 4282
RIPE Region transit ASes present in the Internet Routing Table: 1368
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 254070656
Equivalent to 15 /8s, 36 /16s and 207 /24s
Percentage of available RIPE address space announced: 79.7
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: 11528
Total LACNIC prefixes after maximum aggregation: 3725
Prefixes being announced from the LACNIC address blocks: 9651
Unique aggregates announced from the LACNIC address blocks: 5543
LACNIC Region origin ASes present in the Internet Routing Table: 695
LACNIC Region origin ASes announcing only one prefix: 228
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 27403520
Equivalent to 1 /8s, 162 /16s and 37 /24s
Percentage of available LACNIC address space announced: 40.8
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: 2215
Total AfriNIC prefixes after maximum aggregation: 881
Prefixes being announced from the AfriNIC address blocks: 1516
Unique aggregates announced from the AfriNIC address blocks: 956
AfriNIC Region origin ASes present in the Internet Routing Table: 154
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 4088832
Equivalent to 0 /8s, 62 /16s and 100 /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 1253 7196 228 CHINANET-BACKBONE
4755 917 256 70 Videsh Sanchar Nigam Ltd. Aut
9583 903 109 16 Sify Limited
4766 715 4436 310 Korea Telecom (KIX)
1221 651 1668 481 Telstra Pty Ltd
9498 573 211 67 BHARTI BT INTERNET LTD.
7545 545 124 70 TPG Internet Pty Ltd
17488 519 32 10 Hathway IP Over Cable Interne
17676 487 7045 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
18101 415 85 24 Reliance Infocom Ltd Internet
17557 399 31 180 Pakistan Telecom
4802 381 80 168 Wantree Development
9929 376 255 60 China Netcom Corp.
4780 364 225 27 Digital United Inc.
7474 364 211 229 SingTel Optus Pty Ltd
17849 363 23 104 Telecommunications Technology
17974 351 129 14 PT TELEKOMUNIKASI INDONESIA
2907 341 1734 315 SINET Japan
4804 305 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 695 1951 451 UUNET - Commercial IP service
3215 405 1680 93 France Telecom Transpac
3301 306 1343 293 TeliaNet Sweden
3352 306 1644 30 Ibernet, Internet Access Netw
3320 286 3988 240 Deutsche Telekom AG
8220 280 471 264 COLT Telecommunications
680 245 2025 242 DFN-IP service G-WiN
5089 238 1691 46 NTL Group Limited
6746 238 90 212 Dynamic Network Technologies,
3246 237 504 227 Song Networks
1257 219 740 168 SWIPnet Swedish IP Network
8708 216 275 202 Romania Data Systems S.A.
24863 216 42 11 LINKdotNET AS number
3269 201 2182 72 TELECOM ITALIA
8551 201 198 24 Bezeq International
30890 193 17 71 SC Kappa Invexim SRL
8866 182 37 15 Bulgarian Telecommunication C
5400 175 348 141 BT Ignite European Backbone
6830 173 781 36 UPC Distribution Services
786 172 1778 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 3664 6764 775 UUNET Technologies, Inc.
4323 3135 740 258 Time Warner Telecom
705 1484 560 644 UUNET Technologies, Inc.
7018 1483 6255 950 AT&T WorldNet Services
174 1245 5787 904 Cogent Communications
721 1011 21998 313 DLA Systems Automation Center
6197 1011 625 472 BellSouth Network Solutions,
19029 949 151 109 New Edge Networks
18566 943 272 8 Covad Communications
2386 894 557 689 AT&T Data Communications Serv
1239 852 2780 604 Sprint
20115 712 617 386 Charter Communications
19262 711 2105 183 Verizon Global Networks
209 704 3687 548 Qwest
22773 659 1741 37 Cox Communications, Inc.
7046 651 241 526 UUNET Technologies, Inc.
7011 639 218 415 Citizens Utilities
11492 624 87 23 Cable One
6461 603 227 82 AboveNet Communications, Inc.
852 597 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3135 2877 Time Warner Telecom
4134 1253 1025 CHINANET-BACKBONE
18566 943 935 Covad Communications
9583 903 887 Sify Limited
4755 917 847 Videsh Sanchar Nigam Ltd. Aut
705 1484 840 UUNET Technologies, Inc.
19029 949 840 New Edge Networks
721 1011 698 DLA Systems Automation Center
22773 659 622 Cox Communications, Inc.
11492 624 601 Cable One
6197 1011 539 BellSouth Network Solutions,
7018 1483 533 AT&T WorldNet Services
19262 711 528 Verizon Global Networks
6461 603 521 AboveNet Communications, Inc.
19916 563 509 OLM LLC
17488 519 509 Hathway IP Over Cable Interne
9498 573 506 BHARTI BT INTERNET LTD.
5668 529 506 CenturyTel Internet Holdings,
855 550 486 Canadian Research Network
8151 706 482 UniNet S.A. de C.V.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 1.1.1.0/24 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
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
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
65000 PRIVATE 199.133.62.0/24 10886 University of Maryla
65000 PRIVATE 199.133.63.0/24 10886 University of Maryla
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
65500 PRIVATE 204.147.94.0/24 57 University of Minnes
65500 PRIVATE 205.215.222.0/24 57 University of Minnes
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
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
1.1.1.0/24 64666 PRIVATE ASN
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 /8:18 /9:9 /10:10 /11:28 /12:93
/13:207 /14:362 /15:711 /16:8882 /17:3320 /18:5490
/19:12023 /20:13592 /21:12000 /22:15394 /23:16623 /24:111029
/25:517 /26:489 /27:290 /28:208 /29:221 /30:462
/31:0 /32:100
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 2405 3664 UUNET Technologies, Inc.
4323 1866 3135 Time Warner Telecom
18566 926 943 Covad Communications
705 924 1484 UUNET Technologies, Inc.
19029 880 949 New Edge Networks
6197 796 1011 BellSouth Network Solutions,
7018 781 1483 AT&T WorldNet Services
9583 734 903 Sify Limited
11492 615 624 Cable One
2386 614 894 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 548 639 Citizens Utilities
6461 532 603 AboveNet Communications, Inc.
2686 525 570 IBM
4766 525 715 Korea Telecom (KIX)
174 493 1245 Cogent Communications
702 478 695 UUNET - Commercial IP service
855 424 550 Canadian Research Network
5668 412 529 CenturyTel Internet Holdings,
7046 404 651 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:9 8:42 12:1634 13:1 15:16
16:3 17:3 18:4 20:41 24:738 25:1
30:2 32:276 38:337 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:46 58:187
59:230 60:190 61:858 62:899 63:3453 64:3542
65:2207 66:3593 67:636 68:666 69:1551 70:378
71:81 72:759 74:42 80:801 81:674 82:661
83:406 84:400 85:560 86:349 87:367 88:103
89:250 122:1 124:293 125:498 128:166 129:188
130:120 131:317 132:34 133:9 134:158 135:48
136:178 137:83 138:206 139:161 140:471 141:134
142:405 143:166 144:223 145:40 146:318 147:141
148:321 149:191 150:114 151:94 152:72 153:108
154:6 155:202 156:98 157:153 158:168 159:174
160:89 161:79 162:244 163:149 164:221 165:213
166:168 167:246 168:609 169:128 170:337 171:14
183:1 190:78 192:5869 193:3386 194:2770 195:2073
196:867 198:4044 199:3304 200:4494 201:987 202:6722
203:7131 204:4089 205:2182 206:2797 207:3551 208:2957
209:4183 210:2086 211:734 212:1414 213:1574 214:366
215:40 216:4542 217:1375 218:314 219:231 220:721
221:360 222:160
End of report
