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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 13 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205368
Prefixes after maximum aggregation: 107531
Unique aggregates announced to Internet: 94018
Total ASes present in the Internet Routing Table: 22698
Origin-only ASes present in the Internet Routing Table: 19724
Origin ASes announcing only one prefix: 9429
Transit ASes present in the Internet Routing Table: 2974
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 24
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 20
Unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1546322069
Equivalent to 92 /8s, 43 /16s and 0 /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: 105356
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42608
Total APNIC prefixes after maximum aggregation: 17158
Prefixes being announced from the APNIC address blocks: 40212
Unique aggregates announced from the APNIC address blocks: 18509
APNIC Region origin ASes present in the Internet Routing Table: 2625
APNIC Region origin ASes announcing only one prefix: 734
APNIC Region transit ASes present in the Internet Routing Table: 400
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 233652932
Equivalent to 13 /8s, 237 /16s and 66 /24s
Percentage of available APNIC address space announced: 73.1
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: 108629
Total ARIN prefixes after maximum aggregation: 59678
Prefixes being announced from the ARIN address blocks: 80835
Unique aggregates announced from the ARIN address blocks: 26952
ARIN Region origin ASes present in the Internet Routing Table: 10851
ARIN Region origin ASes announcing only one prefix: 4071
ARIN Region transit ASes present in the Internet Routing Table: 1017
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 295660065
Equivalent to 17 /8s, 159 /16s and 106 /24s
Percentage of available ARIN address space announced: 76.6
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: 39789
Total RIPE prefixes after maximum aggregation: 26024
Prefixes being announced from the RIPE address blocks: 37206
Unique aggregates announced from the RIPE address blocks: 23998
RIPE Region origin ASes present in the Internet Routing Table: 8289
RIPE Region origin ASes announcing only one prefix: 4342
RIPE Region transit ASes present in the Internet Routing Table: 1364
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 260058496
Equivalent to 15 /8s, 128 /16s and 45 /24s
Percentage of available RIPE address space announced: 81.6
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: 11981
Total LACNIC prefixes after maximum aggregation: 3753
Prefixes being announced from the LACNIC address blocks: 10034
Unique aggregates announced from the LACNIC address blocks: 5671
LACNIC Region origin ASes present in the Internet Routing Table: 703
LACNIC Region origin ASes announcing only one prefix: 238
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: 24
Number of LACNIC addresses announced to Internet: 31073536
Equivalent to 1 /8s, 218 /16s and 37 /24s
Percentage of available LACNIC address space announced: 46.3
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: 2342
Total AfriNIC prefixes after maximum aggregation: 918
Prefixes being announced from the AfriNIC address blocks: 1557
Unique aggregates announced from the AfriNIC address blocks: 951
AfriNIC Region origin ASes present in the Internet Routing Table: 158
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: 3.9
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4176896
Equivalent to 0 /8s, 63 /16s and 188 /24s
Percentage of available AfriNIC address space announced: 12.4
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 1159 6618 220 CHINANET-BACKBONE
4755 944 256 70 Videsh Sanchar Nigam Ltd. Aut
9583 910 109 15 Sify Limited
9498 764 211 68 BHARTI BT INTERNET LTD.
4766 715 4435 309 Korea Telecom (KIX)
1221 646 1779 478 Telstra Pty Ltd
7545 551 124 74 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 510 2717 31 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
9929 426 291 66 China Netcom Corp.
18101 424 85 23 Reliance Infocom Ltd Internet
17974 407 129 14 PT TELEKOMUNIKASI INDONESIA
17849 398 28 124 Telecommunications Technology
17557 383 30 172 Pakistan Telecom
4802 379 81 168 Wantree Development
7474 360 211 230 SingTel Optus Pty Ltd
2907 344 1782 317 SINET Japan
4804 309 295 57 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 646 1948 444 UUNET - Commercial IP service
3215 404 1760 97 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3352 304 1639 33 Ibernet, Internet Access Netw
3320 281 5012 237 Deutsche Telekom AG
8220 280 470 263 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 237 90 212 Dynamic Network Technologies,
3246 231 463 221 Song Networks
5089 230 1657 44 NTL Group Limited
1257 223 741 167 SWIPnet Swedish IP Network
8708 216 276 205 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
8551 209 198 29 Bezeq International
30890 205 18 79 SC Kappa Invexim SRL
3269 201 2182 72 TELECOM ITALIA
8866 180 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
3300 172 171 99 AUCS Communications Services
786 170 1778 170 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5034 6754 780 UUNET Technologies, Inc.
4323 3170 746 274 Time Warner Telecom
705 1535 562 674 UUNET Technologies, Inc.
7018 1461 6237 936 AT&T WorldNet Services
721 1025 21978 313 DLA Systems Automation Center
6197 1015 636 477 BellSouth Network Solutions,
174 961 5769 890 Cogent Communications
18566 945 272 8 Covad Communications
2386 919 558 709 AT&T Data Communications Serv
1239 852 2786 606 Sprint
7046 837 253 693 UUNET Technologies, Inc.
19262 722 2188 190 Verizon Global Networks
20115 715 621 381 Charter Communications
209 689 3662 542 Qwest
22773 672 1741 40 Cox Communications, Inc.
11492 656 89 11 Cable One
7011 651 218 413 Citizens Utilities
6461 614 228 87 AboveNet Communications, Inc.
6198 600 568 237 BellSouth Network Solutions,
852 598 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3170 2896 Time Warner Telecom
4134 1159 939 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 910 895 Sify Limited
4755 944 874 Videsh Sanchar Nigam Ltd. Aut
705 1535 861 UUNET Technologies, Inc.
721 1025 712 DLA Systems Automation Center
9498 764 696 BHARTI BT INTERNET LTD.
11492 656 645 Cable One
22773 672 632 Cox Communications, Inc.
6197 1015 538 BellSouth Network Solutions,
19262 722 532 Verizon Global Networks
6461 614 527 AboveNet Communications, Inc.
7018 1461 525 AT&T WorldNet Services
19916 563 509 OLM LLC
5668 532 509 CenturyTel Internet Holdings,
17488 519 502 Hathway IP Over Cable Interne
855 569 499 Canadian Research Network
8151 707 487 UniNet S.A. de C.V.
4538 510 479 China Education and Research
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
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
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,
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 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
198.18.1.0/24 3301 TeliaNet Sweden
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 /8:18 /9:9 /10:11 /11:28 /12:92
/13:204 /14:366 /15:725 /16:8910 /17:3348 /18:5544
/19:12123 /20:13794 /21:12267 /22:15596 /23:16912 /24:113247
/25:467 /26:366 /27:283 /28:210 /29:224 /30:510
/31:0 /32:114
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3778 5034 UUNET Technologies, Inc.
4323 1885 3170 Time Warner Telecom
705 978 1535 UUNET Technologies, Inc.
18566 928 945 Covad Communications
6197 795 1015 BellSouth Network Solutions,
7018 777 1461 AT&T WorldNet Services
9583 740 910 Sify Limited
11492 644 656 Cable One
2386 639 919 AT&T Data Communications Serv
7046 593 837 UUNET Technologies, Inc.
7011 559 651 Citizens Utilities
19916 557 563 OLM LLC
6461 539 614 AboveNet Communications, Inc.
4766 526 715 Korea Telecom (KIX)
2686 511 554 IBM
855 447 569 Canadian Research Network
6198 442 600 BellSouth Network Solutions,
702 432 646 UUNET - Commercial IP service
9498 430 764 BHARTI BT INTERNET LTD.
5668 415 532 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:43 11:1 12:1633 13:1
15:15 16:3 17:3 18:4 20:41 24:780
25:1 30:2 32:264 38:234 40:54 41:6
44:3 47:6 52:4 55:1 56:3 57:48
58:199 59:276 60:193 61:872 62:941 63:3426
64:3587 65:3662 66:3754 67:640 68:675 69:1560
70:391 71:85 72:810 74:55 75:1 80:783
81:676 82:695 83:393 84:396 85:583 86:407
87:405 88:113 89:332 91:1 121:1 122:2
123:1 124:277 125:550 128:161 129:184 130:120
131:315 132:35 133:9 134:159 135:48 136:178
137:83 138:205 139:142 140:489 141:135 142:405
143:170 144:228 145:40 146:310 147:142 148:346
149:194 150:114 151:94 152:73 153:107 154:6
155:207 156:186 157:146 158:166 159:173 160:91
161:80 162:246 163:160 164:287 165:229 166:173
167:242 168:613 169:125 170:353 171:14 183:1
190:86 192:5815 193:3371 194:2757 195:2123 196:877
198:4089 199:3356 200:4623 201:989 202:6902 203:7118
204:4067 205:2168 206:2795 207:3565 208:2995 209:3815
210:2142 211:753 212:1371 213:1572 214:358 215:41
216:4365 217:1384 218:313 219:267 220:735 221:351
222:198
End of report
