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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 21 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 202474
Prefixes after maximum aggregation: 106791
Unique aggregates announced to Internet: 93250
Total ASes present in the Internet Routing Table: 22554
Origin-only ASes present in the Internet Routing Table: 19604
Origin ASes announcing only one prefix: 9359
Transit ASes present in the Internet Routing Table: 2950
Transit-only ASes present in the Internet Routing Table: 69
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: 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: 1511748597
Equivalent to 90 /8s, 27 /16s and 115 /24s
Percentage of available address space announced: 40.8
Percentage of allocated address space announced: 59.0
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 103969
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40428
Total APNIC prefixes after maximum aggregation: 16836
Prefixes being announced from the APNIC address blocks: 38039
Unique aggregates announced from the APNIC address blocks: 18233
APNIC Region origin ASes present in the Internet Routing Table: 2620
APNIC Region origin ASes announcing only one prefix: 753
APNIC Region transit ASes present in the Internet Routing Table: 401
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 226154724
Equivalent to 13 /8s, 122 /16s and 216 /24s
Percentage of available APNIC address space announced: 70.7
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: 108582
Total ARIN prefixes after maximum aggregation: 59538
Prefixes being announced from the ARIN address blocks: 81109
Unique aggregates announced from the ARIN address blocks: 26911
ARIN Region origin ASes present in the Internet Routing Table: 10795
ARIN Region origin ASes announcing only one prefix: 4049
ARIN Region transit ASes present in the Internet Routing Table: 987
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 294381601
Equivalent to 17 /8s, 139 /16s and 232 /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: 39551
Total RIPE prefixes after maximum aggregation: 25772
Prefixes being announced from the RIPE address blocks: 36901
Unique aggregates announced from the RIPE address blocks: 23760
RIPE Region origin ASes present in the Internet Routing Table: 8214
RIPE Region origin ASes announcing only one prefix: 4285
RIPE Region transit ASes present in the Internet Routing Table: 1371
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 254336640
Equivalent to 15 /8s, 40 /16s and 222 /24s
Percentage of available RIPE address space announced: 79.8
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: 11576
Total LACNIC prefixes after maximum aggregation: 3734
Prefixes being announced from the LACNIC address blocks: 9717
Unique aggregates announced from the LACNIC address blocks: 5548
LACNIC Region origin ASes present in the Internet Routing Table: 697
LACNIC Region origin ASes announcing only one prefix: 228
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 27696128
Equivalent to 1 /8s, 166 /16s and 156 /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: 2320
Total AfriNIC prefixes after maximum aggregation: 911
Prefixes being announced from the AfriNIC address blocks: 1555
Unique aggregates announced from the AfriNIC address blocks: 963
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
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
4755 918 256 70 Videsh Sanchar Nigam Ltd. Aut
9583 907 109 16 Sify Limited
4134 750 5546 171 CHINANET-BACKBONE
4766 713 4435 308 Korea Telecom (KIX)
9498 663 211 66 BHARTI BT INTERNET LTD.
1221 648 1668 480 Telstra Pty Ltd
7545 546 124 70 TPG Internet Pty Ltd
17488 519 32 10 Hathway IP Over Cable Interne
17676 488 7061 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4538 447 2717 31 China Education and Research
18101 415 85 24 Reliance Infocom Ltd Internet
17557 400 31 179 Pakistan Telecom
9929 388 255 61 China Netcom Corp.
17974 385 129 14 PT TELEKOMUNIKASI INDONESIA
4802 382 81 169 Wantree Development
4780 364 225 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 404 1688 94 France Telecom Transpac
3301 314 1327 299 TeliaNet Sweden
3352 306 1643 30 Ibernet, Internet Access Netw
3320 286 3988 240 Deutsche Telekom AG
8220 280 471 264 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 236 89 211 Dynamic Network Technologies,
3246 235 499 225 Song Networks
5089 234 1659 45 NTL Group Limited
1257 221 741 166 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 195 17 72 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 172 171 98 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5055 6770 783 UUNET Technologies, Inc.
4323 3141 744 262 Time Warner Telecom
705 1576 578 701 UUNET Technologies, Inc.
7018 1484 6253 953 AT&T WorldNet Services
6197 1015 630 475 BellSouth Network Solutions,
721 1006 17902 313 DLA Systems Automation Center
174 964 5787 898 Cogent Communications
19029 949 151 109 New Edge Networks
18566 943 272 8 Covad Communications
2386 911 560 705 AT&T Data Communications Serv
1239 856 2797 606 Sprint
7046 852 253 708 UUNET Technologies, Inc.
19262 714 2141 186 Verizon Global Networks
20115 712 617 386 Charter Communications
209 694 3685 548 Qwest
22773 661 1741 35 Cox Communications, Inc.
7011 649 217 413 Citizens Utilities
11492 633 87 23 Cable One
6461 605 227 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 3141 2879 Time Warner Telecom
18566 943 935 Covad Communications
9583 907 891 Sify Limited
705 1576 875 UUNET Technologies, Inc.
4755 918 848 Videsh Sanchar Nigam Ltd. Aut
19029 949 840 New Edge Networks
721 1006 693 DLA Systems Automation Center
22773 661 626 Cox Communications, Inc.
11492 633 610 Cable One
9498 663 597 BHARTI BT INTERNET LTD.
4134 750 579 CHINANET-BACKBONE
6197 1015 540 BellSouth Network Solutions,
7018 1484 531 AT&T WorldNet Services
19262 714 528 Verizon Global Networks
6461 605 523 AboveNet Communications, Inc.
19916 563 509 OLM LLC
17488 519 509 Hathway IP Over Cable Interne
5668 529 506 CenturyTel Internet Holdings,
8151 707 486 UniNet S.A. de C.V.
855 550 486 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
64920 PRIVATE 60.23.240.0/20 4837 chinanet IDC center
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
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
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
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 /8:17 /9:9 /10:10 /11:28 /12:91
/13:199 /14:347 /15:701 /16:8808 /17:3206 /18:5343
/19:11775 /20:13431 /21:11997 /22:15275 /23:16683 /24:112522
/25:456 /26:342 /27:275 /28:202 /29:221 /30:442
/31:0 /32:94
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3791 5055 UUNET Technologies, Inc.
4323 1867 3141 Time Warner Telecom
705 1012 1576 UUNET Technologies, Inc.
18566 926 943 Covad Communications
19029 880 949 New Edge Networks
6197 798 1015 BellSouth Network Solutions,
7018 787 1484 AT&T WorldNet Services
9583 737 907 Sify Limited
2386 632 911 AT&T Data Communications Serv
11492 624 633 Cable One
7046 604 852 UUNET Technologies, Inc.
7011 558 649 Citizens Utilities
19916 557 563 OLM LLC
6461 534 605 AboveNet Communications, Inc.
4766 525 713 Korea Telecom (KIX)
702 471 686 UUNET - Commercial IP service
855 424 550 Canadian Research Network
5668 412 529 CenturyTel Internet Holdings,
15270 406 437 PaeTec.net -a division of Pae
1239 394 856 Sprint
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:43 12:1632 13:1 15:16
16:3 17:3 18:4 20:41 24:764 25:1
30:2 32:156 38:233 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:44 58:191
59:247 60:185 61:866 62:955 63:3437 64:3544
65:3618 66:3737 67:656 68:672 69:1545 70:396
71:82 72:774 74:45 80:797 81:662 82:655
83:419 84:389 85:570 86:389 87:369 88:110
89:269 121:1 122:2 123:1 124:281 125:479
128:172 129:188 130:119 131:317 132:34 133:9
134:159 135:48 136:178 137:82 138:206 139:118
140:468 141:134 142:406 143:166 144:223 145:40
146:315 147:142 148:318 149:190 150:114 151:93
152:70 153:106 154:6 155:204 156:170 157:148
158:169 159:173 160:91 161:80 162:244 163:152
164:224 165:214 166:171 167:246 168:607 169:128
170:349 171:14 183:1 190:78 192:5849 193:3373
194:2745 195:2039 196:884 198:4094 199:3295 200:4479
201:1009 202:6819 203:7088 204:4074 205:2167 206:2792
207:3551 208:2948 209:4197 210:2098 211:715 212:1384
213:1579 214:360 215:41 216:4614 217:1388 218:277
219:201 220:702 221:350 222:156
End of report
