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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 11 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 203451
Prefixes after maximum aggregation: 106543
Unique aggregates announced to Internet: 93231
Total ASes present in the Internet Routing Table: 22470
Origin-only ASes present in the Internet Routing Table: 19494
Origin ASes announcing only one prefix: 9326
Transit ASes present in the Internet Routing Table: 2976
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 27
Max AS path prepend of ASN (34204) 23
Prefixes from unregistered ASNs in the Routing Table: 34
Unregistered ASNs in the Routing Table: 21
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2025511095
Equivalent to 120 /8s, 186 /16s and 216 /24s
Percentage of available address space announced: 54.6
Percentage of allocated address space announced: 79.0
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 104345
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41823
Total APNIC prefixes after maximum aggregation: 16990
Prefixes being announced from the APNIC address blocks: 39428
Unique aggregates announced from the APNIC address blocks: 18452
APNIC Region origin ASes present in the Internet Routing Table: 2600
APNIC Region origin ASes announcing only one prefix: 741
APNIC Region transit ASes present in the Internet Routing Table: 407
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 289891237
Equivalent to 17 /8s, 71 /16s and 99 /24s
Percentage of available APNIC address space announced: 90.6
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: 108411
Total ARIN prefixes after maximum aggregation: 59292
Prefixes being announced from the ARIN address blocks: 80756
Unique aggregates announced from the ARIN address blocks: 26684
ARIN Region origin ASes present in the Internet Routing Table: 10770
ARIN Region origin ASes announcing only one prefix: 4040
ARIN Region transit ASes present in the Internet Routing Table: 1009
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 293650977
Equivalent to 17 /8s, 128 /16s and 194 /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: 39452
Total RIPE prefixes after maximum aggregation: 25648
Prefixes being announced from the RIPE address blocks: 36835
Unique aggregates announced from the RIPE address blocks: 23706
RIPE Region origin ASes present in the Internet Routing Table: 8177
RIPE Region origin ASes announcing only one prefix: 4269
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: 27
Number of RIPE addresses announced to Internet: 252594048
Equivalent to 15 /8s, 14 /16s and 71 /24s
Percentage of available RIPE address space announced: 79.2
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: 11492
Total LACNIC prefixes after maximum aggregation: 3702
Prefixes being announced from the LACNIC address blocks: 9598
Unique aggregates announced from the LACNIC address blocks: 5551
LACNIC Region origin ASes present in the Internet Routing Table: 697
LACNIC Region origin ASes announcing only one prefix: 230
LACNIC Region transit ASes present in the Internet Routing Table: 135
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 27337728
Equivalent to 1 /8s, 161 /16s and 36 /24s
Percentage of available LACNIC address space announced: 40.7
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: 2240
Total AfriNIC prefixes after maximum aggregation: 911
Prefixes being announced from the AfriNIC address blocks: 1535
Unique aggregates announced from the AfriNIC address blocks: 957
AfriNIC Region origin ASes present in the Internet Routing Table: 156
AfriNIC Region origin ASes announcing only one prefix: 46
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 4114432
Equivalent to 0 /8s, 62 /16s and 200 /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 1233 7172 227 CHINANET-BACKBONE
4755 917 257 70 Videsh Sanchar Nigam Ltd. Aut
9583 902 109 16 Sify Limited
4766 715 4436 310 Korea Telecom (KIX)
1221 650 1668 480 Telstra Pty Ltd
9498 573 211 67 BHARTI BT INTERNET LTD.
7545 545 124 71 TPG Internet Pty Ltd
17488 519 32 10 Hathway IP Over Cable Interne
17676 486 7029 110 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
18101 415 85 24 Reliance Infocom Ltd Internet
4538 414 2685 30 China Education and Research
17557 397 31 179 Pakistan Telecom
4802 382 80 169 Wantree Development
9929 373 221 62 China Netcom Corp.
4780 363 225 27 Digital United Inc.
7474 362 211 229 SingTel Optus Pty Ltd
17849 360 22 115 Telecommunications Technology
17974 347 129 14 PT TELEKOMUNIKASI INDONESIA
2907 339 1733 313 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 688 1935 450 UUNET - Commercial IP service
3215 405 1680 93 France Telecom Transpac
3301 305 1327 292 TeliaNet Sweden
3352 305 1644 30 Ibernet, Internet Access Netw
3320 284 3988 238 Deutsche Telekom AG
8220 282 471 266 COLT Telecommunications
680 245 2025 242 DFN-IP service G-WiN
6746 238 90 212 Dynamic Network Technologies,
3246 237 504 227 Song Networks
5089 236 1659 45 NTL Group Limited
8708 217 275 202 Romania Data Systems S.A.
1257 215 740 164 SWIPnet Swedish IP Network
24863 213 42 10 LINKdotNET AS number
3269 201 2182 72 TELECOM ITALIA
8551 200 198 24 Bezeq International
30890 193 17 71 SC Kappa Invexim SRL
8866 180 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 5050 6748 773 UUNET Technologies, Inc.
4323 3134 740 260 Time Warner Telecom
705 1590 582 704 UUNET Technologies, Inc.
7018 1468 6110 937 AT&T WorldNet Services
721 1012 21998 313 DLA Systems Automation Center
6197 1011 625 472 BellSouth Network Solutions,
174 968 5771 902 Cogent Communications
19029 949 151 109 New Edge Networks
18566 943 272 8 Covad Communications
2386 892 557 687 AT&T Data Communications Serv
1239 851 2788 604 Sprint
7046 845 257 701 UUNET Technologies, Inc.
20115 712 617 386 Charter Communications
19262 709 2103 183 Verizon Global Networks
209 706 3688 550 Qwest
22773 662 1741 40 Cox Communications, Inc.
7011 638 218 415 Citizens Utilities
11492 623 87 22 Cable One
6461 604 227 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 3134 2874 Time Warner Telecom
4134 1233 1006 CHINANET-BACKBONE
18566 943 935 Covad Communications
705 1590 886 UUNET Technologies, Inc.
9583 902 886 Sify Limited
4755 917 847 Videsh Sanchar Nigam Ltd. Aut
19029 949 840 New Edge Networks
721 1012 699 DLA Systems Automation Center
22773 662 622 Cox Communications, Inc.
11492 623 601 Cable One
6197 1011 539 BellSouth Network Solutions,
7018 1468 531 AT&T WorldNet Services
19262 709 526 Verizon Global Networks
6461 604 521 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 2.2.2.0/24 8001 Net Access Corporati
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
65000 PRIVATE 64.151.153.0/24 4279 INTERSOURCE
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65101 PRIVATE 84.16.31.0/24 12956 Telefonica Data Auto
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
65011 PRIVATE 135.196.25.176/28 8190 VIATEL
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
64515 PRIVATE 203.126.13.0/25 7610 SINGAPORE ADVANCE RE
64515 PRIVATE 203.126.13.128/26 7610 SINGAPORE ADVANCE RE
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
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
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
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 /8:19 /9:67 /10:9 /11:28 /12:92
/13:206 /14:360 /15:708 /16:8870 /17:3311 /18:5465
/19:11987 /20:13584 /21:12057 /22:15433 /23:16709 /24:112413
/25:476 /26:384 /27:284 /28:213 /29:218 /30:457
/31:0 /32:101
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3783 5050 UUNET Technologies, Inc.
4323 1867 3134 Time Warner Telecom
705 1025 1590 UUNET Technologies, Inc.
18566 926 943 Covad Communications
19029 880 949 New Edge Networks
6197 796 1011 BellSouth Network Solutions,
7018 774 1468 AT&T WorldNet Services
9583 732 902 Sify Limited
2386 614 892 AT&T Data Communications Serv
11492 614 623 Cable One
7046 599 845 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 547 638 Citizens Utilities
6461 532 604 AboveNet Communications, Inc.
2686 527 565 IBM
4766 525 715 Korea Telecom (KIX)
702 472 688 UUNET - Commercial IP service
855 424 550 Canadian Research Network
5668 412 529 CenturyTel Internet Holdings,
15270 403 434 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:42 11:1 12:1633 13:1
15:15 16:3 17:3 18:4 20:41 24:737
25:1 30:2 32:278 38:229 40:54 41:2
44:3 47:6 52:4 55:1 56:3 57:46
58:191 59:231 60:187 61:859 62:901 63:3458
64:3532 65:3609 66:3668 67:656 68:669 69:1552
70:377 71:80 72:754 74:41 80:799 81:662
82:654 83:398 84:401 85:561 86:393 87:366
88:97 89:243 124:296 125:498 128:166 129:190
130:116 131:318 132:34 133:9 134:159 135:48
136:178 137:83 138:205 139:160 140:465 141:130
142:405 143:165 144:222 145:40 146:318 147:141
148:318 149:191 150:114 151:94 152:72 153:107
154:6 155:202 156:98 157:148 158:168 159:174
160:89 161:79 162:245 163:149 164:223 165:213
166:168 167:246 168:609 169:128 170:338 171:14
183:1 190:75 192:5855 193:3378 194:2762 195:2067
196:885 198:4041 199:3289 200:4470 201:985 202:6848
203:7107 204:4084 205:2169 206:2790 207:3541 208:2949
209:4183 210:2076 211:731 212:1409 213:1577 214:361
215:40 216:4543 217:1381 218:307 219:269 220:718
221:357 222:168
End of report
