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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 23 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205104
Prefixes after maximum aggregation: 107123
Unique aggregates announced to Internet: 92923
Total ASes present in the Internet Routing Table: 22605
Origin-only ASes present in the Internet Routing Table: 19619
Origin ASes announcing only one prefix: 9372
Transit ASes present in the Internet Routing Table: 2986
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 4.5
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: 17
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1543877813
Equivalent to 92 /8s, 5 /16s and 180 /24s
Percentage of available address space announced: 41.7
Percentage of allocated address space announced: 60.3
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 105407
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42268
Total APNIC prefixes after maximum aggregation: 17045
Prefixes being announced from the APNIC address blocks: 39878
Unique aggregates announced from the APNIC address blocks: 18438
APNIC Region origin ASes present in the Internet Routing Table: 2631
APNIC Region origin ASes announcing only one prefix: 751
APNIC Region transit ASes present in the Internet Routing Table: 403
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 234309028
Equivalent to 13 /8s, 247 /16s and 69 /24s
Percentage of available APNIC address space announced: 73.3
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: 108937
Total ARIN prefixes after maximum aggregation: 59586
Prefixes being announced from the ARIN address blocks: 81232
Unique aggregates announced from the ARIN address blocks: 26947
ARIN Region origin ASes present in the Internet Routing Table: 10812
ARIN Region origin ASes announcing only one prefix: 4060
ARIN Region transit ASes present in the Internet Routing Table: 1025
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 294550817
Equivalent to 17 /8s, 142 /16s and 125 /24s
Percentage of available ARIN address space announced: 76.3
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: 39807
Total RIPE prefixes after maximum aggregation: 25833
Prefixes being announced from the RIPE address blocks: 37209
Unique aggregates announced from the RIPE address blocks: 23188
RIPE Region origin ASes present in the Internet Routing Table: 8226
RIPE Region origin ASes announcing only one prefix: 4283
RIPE Region transit ASes present in the Internet Routing Table: 1370
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261129600
Equivalent to 15 /8s, 144 /16s and 133 /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: 11746
Total LACNIC prefixes after maximum aggregation: 3743
Prefixes being announced from the LACNIC address blocks: 9863
Unique aggregates announced from the LACNIC address blocks: 5528
LACNIC Region origin ASes present in the Internet Routing Table: 699
LACNIC Region origin ASes announcing only one prefix: 233
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 27731456
Equivalent to 1 /8s, 167 /16s and 38 /24s
Percentage of available LACNIC address space announced: 41.3
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: 2323
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1549
Unique aggregates announced from the AfriNIC address blocks: 962
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 45
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: 11
Number of AfriNIC addresses announced to Internet: 4137984
Equivalent to 0 /8s, 63 /16s and 36 /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 1243 7261 228 CHINANET-BACKBONE
4755 924 256 71 Videsh Sanchar Nigam Ltd. Aut
9583 909 109 16 Sify Limited
4766 713 4435 309 Korea Telecom (KIX)
9498 664 211 67 BHARTI BT INTERNET LTD.
1221 649 1668 481 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 462 2717 31 China Education and Research
9443 452 111 83 Primus Telecommunications
18101 416 85 24 Reliance Infocom Ltd Internet
17557 399 31 178 Pakistan Telecom
17974 385 129 14 PT TELEKOMUNIKASI INDONESIA
4802 382 81 169 Wantree Development
9929 377 254 65 China Netcom Corp.
4780 367 225 27 Digital United Inc.
7474 362 211 229 SingTel Optus Pty Ltd
2907 343 1782 317 SINET Japan
4804 305 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 685 1951 449 UUNET - Commercial IP service
3215 405 1720 96 France Telecom Transpac
3301 312 1327 297 TeliaNet Sweden
8551 307 198 24 Bezeq International
3352 306 1643 30 Ibernet, Internet Access Netw
3320 284 3988 239 Deutsche Telekom AG
8220 282 471 266 COLT Telecommunications
680 240 2024 237 DFN-IP service G-WiN
6746 236 89 211 Dynamic Network Technologies,
5089 233 1659 44 NTL Group Limited
3246 230 463 220 Song Networks
1257 221 741 166 SWIPnet Swedish IP Network
8708 218 276 204 Romania Data Systems S.A.
24863 216 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
786 172 1778 172 The JANET IP Service
3300 171 171 99 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5035 6748 774 UUNET Technologies, Inc.
4323 3148 744 265 Time Warner Telecom
705 1559 577 688 UUNET Technologies, Inc.
7018 1483 6256 953 AT&T WorldNet Services
721 1022 21998 314 DLA Systems Automation Center
6197 1015 630 476 BellSouth Network Solutions,
174 966 5771 900 Cogent Communications
19029 948 151 109 New Edge Networks
18566 944 272 8 Covad Communications
2386 913 560 706 AT&T Data Communications Serv
1239 852 2774 603 Sprint
7046 847 253 703 UUNET Technologies, Inc.
19262 714 2134 187 Verizon Global Networks
20115 713 619 387 Charter Communications
209 693 3683 547 Qwest
22773 665 1741 40 Cox Communications, Inc.
7011 651 218 414 Citizens Utilities
11492 633 87 23 Cable One
6461 607 227 83 AboveNet Communications, Inc.
852 597 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3148 2883 Time Warner Telecom
4134 1243 1015 CHINANET-BACKBONE
18566 944 936 Covad Communications
9583 909 893 Sify Limited
705 1559 871 UUNET Technologies, Inc.
4755 924 853 Videsh Sanchar Nigam Ltd. Aut
19029 948 839 New Edge Networks
721 1022 708 DLA Systems Automation Center
22773 665 625 Cox Communications, Inc.
11492 633 610 Cable One
9498 664 597 BHARTI BT INTERNET LTD.
6197 1015 539 BellSouth Network Solutions,
7018 1483 530 AT&T WorldNet Services
19262 714 527 Verizon Global Networks
6461 607 524 AboveNet Communications, Inc.
19916 563 509 OLM LLC
17488 519 509 Hathway IP Over Cable Interne
5668 525 502 CenturyTel Internet Holdings,
855 551 489 Canadian Research Network
8151 689 477 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
65005 PRIVATE 129.26.0.0/16 680 DFN-IP service G-WiN
65005 PRIVATE 192.54.34.0/23 680 DFN-IP service G-WiN
65005 PRIVATE 192.76.241.0/24 680 DFN-IP service G-WiN
65005 PRIVATE 192.76.245.0/24 680 DFN-IP service G-WiN
65005 PRIVATE 192.76.246.0/23 680 DFN-IP service G-WiN
65005 PRIVATE 192.76.248.0/24 680 DFN-IP service G-WiN
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 /12:93
/13:207 /14:363 /15:715 /16:8895 /17:3327 /18:5518
/19:12058 /20:13657 /21:12258 /22:15571 /23:16820 /24:113475
/25:465 /26:350 /27:283 /28:205 /29:219 /30:462
/31:0 /32:97
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3779 5035 UUNET Technologies, Inc.
4323 1872 3148 Time Warner Telecom
705 995 1559 UUNET Technologies, Inc.
18566 927 944 Covad Communications
19029 879 948 New Edge Networks
6197 797 1015 BellSouth Network Solutions,
7018 785 1483 AT&T WorldNet Services
9583 739 909 Sify Limited
2386 634 913 AT&T Data Communications Serv
11492 624 633 Cable One
7046 600 847 UUNET Technologies, Inc.
7011 560 651 Citizens Utilities
19916 557 563 OLM LLC
6461 535 607 AboveNet Communications, Inc.
4766 524 713 Korea Telecom (KIX)
702 469 685 UUNET - Commercial IP service
2686 467 512 IBM
855 427 551 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 12:1629 13:1 15:16
16:3 17:3 18:4 20:41 24:765 25:1
30:2 32:246 38:231 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:46 58:187
59:252 60:192 61:873 62:1033 63:3434 64:3564
65:3619 66:3737 67:639 68:672 69:1547 70:399
71:82 72:776 74:46 75:1 80:783 81:659
82:687 83:405 84:387 85:574 86:388 87:372
88:111 89:280 121:1 122:2 123:1 124:294
125:525 128:171 129:189 130:119 131:318 132:34
133:9 134:159 135:48 136:177 137:83 138:206
139:151 140:469 141:134 142:403 143:168 144:222
145:39 146:319 147:142 148:341 149:191 150:114
151:93 152:72 153:106 154:6 155:204 156:181
157:148 158:169 159:172 160:91 161:81 162:244
163:158 164:226 165:216 166:172 167:245 168:610
169:128 170:350 171:14 183:1 190:96 192:5858
193:3381 194:2761 195:2078 196:877 198:4100 199:3305
200:4581 201:1009 202:6865 203:7117 204:4092 205:2173
206:2795 207:3559 208:2965 209:4192 210:2104 211:744
212:1425 213:1587 214:360 215:41 216:4615 217:1395
218:312 219:268 220:721 221:371 222:199
End of report
