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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 26 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 204830
Prefixes after maximum aggregation: 107042
Unique aggregates announced to Internet: 93043
Total ASes present in the Internet Routing Table: 22584
Origin-only ASes present in the Internet Routing Table: 19609
Origin ASes announcing only one prefix: 9378
Transit ASes present in the Internet Routing Table: 2975
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 36
Max AS path prepend of ASN (33776) 21
Prefixes from unregistered ASNs in the Routing Table: 18
Unregistered ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1540516309
Equivalent to 91 /8s, 210 /16s and 105 /24s
Percentage of available address space announced: 41.6
Percentage of allocated address space announced: 60.1
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 105288
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42114
Total APNIC prefixes after maximum aggregation: 16999
Prefixes being announced from the APNIC address blocks: 39718
Unique aggregates announced from the APNIC address blocks: 18592
APNIC Region origin ASes present in the Internet Routing Table: 2626
APNIC Region origin ASes announcing only one prefix: 746
APNIC Region transit ASes present in the Internet Routing Table: 404
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 231277220
Equivalent to 13 /8s, 201 /16s and 2 /24s
Percentage of available APNIC address space announced: 72.3
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: 108859
Total ARIN prefixes after maximum aggregation: 59554
Prefixes being announced from the ARIN address blocks: 81171
Unique aggregates announced from the ARIN address blocks: 26964
ARIN Region origin ASes present in the Internet Routing Table: 10807
ARIN Region origin ASes announcing only one prefix: 4073
ARIN Region transit ASes present in the Internet Routing Table: 1014
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 294650913
Equivalent to 17 /8s, 144 /16s and 4 /24s
Percentage of available ARIN address space announced: 76.4
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: 39777
Total RIPE prefixes after maximum aggregation: 25835
Prefixes being announced from the RIPE address blocks: 37159
Unique aggregates announced from the RIPE address blocks: 23181
RIPE Region origin ASes present in the Internet Routing Table: 8216
RIPE Region origin ASes announcing only one prefix: 4278
RIPE Region transit ASes present in the Internet Routing Table: 1361
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261124224
Equivalent to 15 /8s, 144 /16s and 112 /24s
Percentage of available RIPE address space announced: 81.9
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: 11759
Total LACNIC prefixes after maximum aggregation: 3744
Prefixes being announced from the LACNIC address blocks: 9909
Unique aggregates announced from the LACNIC address blocks: 5542
LACNIC Region origin ASes present in the Internet Routing Table: 702
LACNIC Region origin ASes announcing only one prefix: 234
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 27760384
Equivalent to 1 /8s, 167 /16s and 151 /24s
Percentage of available LACNIC address space announced: 41.4
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: 2304
Total AfriNIC prefixes after maximum aggregation: 910
Prefixes being announced from the AfriNIC address blocks: 1547
Unique aggregates announced from the AfriNIC address blocks: 941
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC addresses announced to Internet: 4134400
Equivalent to 0 /8s, 63 /16s and 22 /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 1179 6423 214 CHINANET-BACKBONE
4755 925 256 72 Videsh Sanchar Nigam Ltd. Aut
9583 908 109 15 Sify Limited
4766 712 4435 308 Korea Telecom (KIX)
9498 678 211 68 BHARTI BT INTERNET LTD.
1221 650 1668 482 Telstra Pty Ltd
7545 547 124 71 TPG Internet Pty Ltd
17488 519 32 10 Hathway IP Over Cable Interne
17676 489 7077 110 Softbank BB Corp.
4538 465 2717 31 China Education and Research
9443 452 111 83 Primus Telecommunications
18101 419 85 24 Reliance Infocom Ltd Internet
17557 396 31 175 Pakistan Telecom
17974 385 129 14 PT TELEKOMUNIKASI INDONESIA
4802 384 81 171 Wantree Development
9929 377 254 65 China Netcom Corp.
4780 367 225 27 Digital United Inc.
7474 361 211 228 SingTel Optus Pty Ltd
2907 341 1750 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
702 686 1951 450 UUNET - Commercial IP service
3215 405 1720 96 France Telecom Transpac
3301 312 1327 297 TeliaNet Sweden
8551 307 198 24 Bezeq International
3352 304 1643 30 Ibernet, Internet Access Netw
3320 284 3988 239 Deutsche Telekom AG
8220 282 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 239 90 214 Dynamic Network Technologies,
5089 234 1659 45 NTL Group Limited
3246 230 463 220 Song Networks
1257 221 741 165 SWIPnet Swedish IP Network
8708 218 276 204 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
3269 201 2182 72 TELECOM ITALIA
30890 198 18 75 SC Kappa Invexim SRL
8866 187 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
786 170 1778 170 The JANET IP Service
3300 169 171 97 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5033 6752 776 UUNET Technologies, Inc.
4323 3145 744 265 Time Warner Telecom
705 1562 575 687 UUNET Technologies, Inc.
7018 1480 6255 946 AT&T WorldNet Services
721 1022 21998 314 DLA Systems Automation Center
6197 1014 630 478 BellSouth Network Solutions,
174 963 5771 897 Cogent Communications
19029 946 151 108 New Edge Networks
18566 945 272 8 Covad Communications
2386 912 560 706 AT&T Data Communications Serv
1239 849 2797 600 Sprint
7046 844 253 700 UUNET Technologies, Inc.
19262 714 2134 187 Verizon Global Networks
20115 713 619 381 Charter Communications
209 694 3683 548 Qwest
22773 668 1741 40 Cox Communications, Inc.
7011 647 217 411 Citizens Utilities
11492 639 87 23 Cable One
6461 608 227 83 AboveNet Communications, Inc.
852 591 1084 378 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3145 2880 Time Warner Telecom
4134 1179 965 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 908 893 Sify Limited
705 1562 875 UUNET Technologies, Inc.
4755 925 853 Videsh Sanchar Nigam Ltd. Aut
19029 946 838 New Edge Networks
721 1022 708 DLA Systems Automation Center
22773 668 628 Cox Communications, Inc.
11492 639 616 Cable One
9498 678 610 BHARTI BT INTERNET LTD.
6197 1014 536 BellSouth Network Solutions,
7018 1480 534 AT&T WorldNet Services
19262 714 527 Verizon Global Networks
6461 608 525 AboveNet Communications, Inc.
19916 563 509 OLM LLC
17488 519 509 Hathway IP Over Cable Interne
5668 525 502 CenturyTel Internet Holdings,
855 553 489 Canadian Research Network
8151 705 484 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
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
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
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
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
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
2.2.2.0/24 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 /8:19 /9:9 /10:10 /11:28 /12:91
/13:205 /14:360 /15:717 /16:8874 /17:3297 /18:5505
/19:12016 /20:13649 /21:12233 /22:15521 /23:16792 /24:113422
/25:465 /26:350 /27:282 /28:206 /29:219 /30:464
/31:0 /32:96
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3778 5033 UUNET Technologies, Inc.
4323 1870 3145 Time Warner Telecom
705 1001 1562 UUNET Technologies, Inc.
18566 928 945 Covad Communications
19029 878 946 New Edge Networks
6197 796 1014 BellSouth Network Solutions,
7018 786 1480 AT&T WorldNet Services
9583 738 908 Sify Limited
2386 634 912 AT&T Data Communications Serv
11492 630 639 Cable One
7046 597 844 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 556 647 Citizens Utilities
6461 536 608 AboveNet Communications, Inc.
4766 524 712 Korea Telecom (KIX)
702 470 686 UUNET - Commercial IP service
2686 459 504 IBM
855 427 553 Canadian Research Network
5668 408 525 CenturyTel Internet Holdings,
15270 407 438 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:42 12:1631 13:1 15:16
16:3 17:3 18:4 20:41 24:770 25:1
30:2 32:246 38:231 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:46 58:184
59:258 60:184 61:873 62:1024 63:3432 64:3581
65:3619 66:3738 67:639 68:687 69:1542 70:399
71:82 72:776 74:44 75:1 80:778 81:647
82:684 83:400 84:388 85:572 86:387 87:373
88:110 89:302 121:1 122:2 123:1 124:296
125:517 128:159 129:185 130:119 131:318 132:34
133:9 134:156 135:48 136:172 137:83 138:206
139:145 140:523 141:134 142:401 143:168 144:223
145:39 146:318 147:140 148:340 149:191 150:114
151:94 152:72 153:106 154:6 155:204 156:183
157:148 158:166 159:173 160:91 161:81 162:244
163:157 164:226 165:216 166:173 167:237 168:606
169:128 170:349 171:14 183:1 190:96 192:5848
193:3370 194:2756 195:2082 196:877 198:4088 199:3297
200:4632 201:1002 202:6857 203:7101 204:4094 205:2165
206:2793 207:3552 208:2973 209:4178 210:2116 211:744
212:1433 213:1586 214:361 215:41 216:4585 217:1389
218:311 219:265 220:719 221:370 222:199
End of report