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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 13 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 199975
Prefixes after maximum aggregation: 105531
Unique aggregates announced to Internet: 92223
Total ASes present in the Internet Routing Table: 22196
Origin-only ASes present in the Internet Routing Table: 19354
Origin ASes announcing only one prefix: 9189
Transit ASes present in the Internet Routing Table: 2842
Transit-only ASes present in the Internet Routing Table: 62
Average AS path length visible in the Internet Routing Table: 2.7
Max AS path length visible: 19
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 25
Unregistered ASNs in the Routing Table: 22
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 61
Number of addresses announced to Internet: 2013059281
Equivalent to 119 /8s, 252 /16s and 216 /24s
Percentage of available address space announced: 54.3
Percentage of allocated address space announced: 78.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 102127
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 39462
Total APNIC prefixes after maximum aggregation: 16468
Prefixes being announced from the APNIC address blocks: 37121
Unique aggregates announced from the APNIC address blocks: 18207
APNIC Region origin ASes present in the Internet Routing Table: 2550
APNIC Region origin ASes announcing only one prefix: 729
APNIC Region transit ASes present in the Internet Routing Table: 388
Average APNIC Region AS path length visible: 3.0
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 281304132
Equivalent to 16 /8s, 196 /16s and 92 /24s
Percentage of available APNIC address space announced: 88.0
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: 108206
Total ARIN prefixes after maximum aggregation: 59168
Prefixes being announced from the ARIN address blocks: 80549
Unique aggregates announced from the ARIN address blocks: 26491
ARIN Region origin ASes present in the Internet Routing Table: 10719
ARIN Region origin ASes announcing only one prefix: 4009
ARIN Region transit ASes present in the Internet Routing Table: 971
Average ARIN Region AS path length visible: 2.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 292748321
Equivalent to 17 /8s, 114 /16s and 252 /24s
Percentage of available ARIN address space announced: 75.9
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
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: 38765
Total RIPE prefixes after maximum aggregation: 25329
Prefixes being announced from the RIPE address blocks: 36187
Unique aggregates announced from the RIPE address blocks: 23256
RIPE Region origin ASes present in the Internet Routing Table: 8024
RIPE Region origin ASes announcing only one prefix: 4179
RIPE Region transit ASes present in the Internet Routing Table: 1301
Average RIPE Region AS path length visible: 2.9
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 249510144
Equivalent to 14 /8s, 223 /16s and 57 /24s
Percentage of available RIPE address space announced: 78.3
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
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: 11349
Total LACNIC prefixes after maximum aggregation: 3658
Prefixes being announced from the LACNIC address blocks: 9443
Unique aggregates announced from the LACNIC address blocks: 5487
LACNIC Region origin ASes present in the Internet Routing Table: 684
LACNIC Region origin ASes announcing only one prefix: 224
LACNIC Region transit ASes present in the Internet Routing Table: 127
Average LACNIC Region AS path length visible: 3.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 26955264
Equivalent to 1 /8s, 155 /16s and 78 /24s
Percentage of available LACNIC address space announced: 40.2
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: 2170
Total AfriNIC prefixes after maximum aggregation: 908
Prefixes being announced from the AfriNIC address blocks: 1500
Unique aggregates announced from the AfriNIC address blocks: 954
AfriNIC Region origin ASes present in the Internet Routing Table: 157
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 2.8
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 4091648
Equivalent to 0 /8s, 62 /16s and 111 /24s
Percentage of available AfriNIC address space announced: 12.2
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 914 259 72 Videsh Sanchar Nigam Ltd. Aut
9583 901 109 16 Sify Limited
4538 723 2686 31 China Education and Research
4766 707 4436 310 Korea Telecom (KIX)
4134 704 5294 185 CHINANET-BACKBONE
1221 657 1556 482 Telstra Pty Ltd
9498 567 211 67 BHARTI BT INTERNET LTD.
7545 532 124 71 TPG Internet Pty Ltd
17488 501 31 7 Hathway IP Over Cable Interne
17676 487 7029 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4802 387 81 176 Wantree Development
9929 373 221 58 China Netcom Corp.
4780 366 226 28 Digital United Inc.
7474 362 211 229 SingTel Optus Pty Ltd
17849 348 22 112 Telecommunications Technology
18101 344 85 23 Reliance Infocom Ltd Internet
2907 342 1766 316 SINET Japan
17557 329 28 158 Pakistan Telecom
17974 311 133 16 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 708 1952 457 UUNET - Commercial IP service
3215 421 1664 94 France Telecom Transpac
3301 307 1071 293 TeliaNet Sweden
8220 301 475 270 COLT Telecommunications
3352 296 1628 30 Ibernet, Internet Access Netw
3320 284 3988 239 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
3246 237 504 227 Song Networks
5089 237 1643 43 NTL Group Limited
6746 230 89 206 Dynamic Network Technologies,
1257 220 742 168 SWIPnet Swedish IP Network
8708 218 275 201 Romania Data Systems S.A.
24863 210 40 10 LINKdotNET AS number
8551 202 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
8866 176 37 15 Bulgarian Telecommunication C
6830 175 765 35 UPC Distribution Services
30890 175 16 63 SC Kappa Invexim SRL
5400 173 347 140 BT Ignite European Backbone
786 172 1778 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5076 8027 778 UUNET Technologies, Inc.
4323 3099 734 258 Time Warner Telecom
705 1636 610 719 UUNET Technologies, Inc.
7018 1526 6237 973 AT&T WorldNet Services
6197 1007 620 473 BellSouth Network Solutions,
721 996 21945 305 DLA Systems Automation Center
174 953 5754 897 Cogent Communications
19029 952 151 110 New Edge Networks
18566 939 272 8 Covad Communications
2386 876 522 676 AT&T Data Communications Serv
1239 850 2813 601 Sprint
7046 847 256 702 UUNET Technologies, Inc.
209 706 3563 554 Qwest
19262 702 2120 168 Verizon Global Networks
20115 692 605 373 Charter Communications
22773 657 1745 42 Cox Communications, Inc.
7011 634 218 412 Citizens Utilities
11492 632 86 23 Cable One
6461 618 228 84 AboveNet Communications, Inc.
852 597 1085 384 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3099 2841 Time Warner Telecom
18566 939 931 Covad Communications
705 1636 917 UUNET Technologies, Inc.
9583 901 885 Sify Limited
19029 952 842 New Edge Networks
4755 914 842 Videsh Sanchar Nigam Ltd. Aut
4538 723 692 China Education and Research
721 996 691 DLA Systems Automation Center
22773 657 615 Cox Communications, Inc.
11492 632 609 Cable One
7018 1526 553 AT&T WorldNet Services
6197 1007 534 BellSouth Network Solutions,
19262 702 534 Verizon Global Networks
6461 618 534 AboveNet Communications, Inc.
4134 704 519 CHINANET-BACKBONE
19916 563 509 OLM LLC
5668 529 506 CenturyTel Internet Holdings,
9498 567 500 BHARTI BT INTERNET LTD.
17488 501 494 Hathway IP Over Cable Interne
855 537 478 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
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
65241 PRIVATE 65.90.71.0/24 10794 Bank of America
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
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
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
65528 PRIVATE 206.210.72.64/26 17054 e-xpedient
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
65512 PRIVATE 213.154.230.0/24 12859 Business Internet Tr
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,
36366 UNALLOCATED 216.130.247.0/24 174 Cogent Communication
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
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
192.119.135.0/24 270 NASA
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 /12:87
/13:202 /14:347 /15:699 /16:8800 /17:3143 /18:5318
/19:11779 /20:13463 /21:11595 /22:15053 /23:16372 /24:110855
/25:464 /26:324 /27:319 /28:218 /29:244 /30:467
/31:0 /32:103
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3798 5076 UUNET Technologies, Inc.
4323 1845 3099 Time Warner Telecom
705 1062 1636 UUNET Technologies, Inc.
18566 922 939 Covad Communications
19029 883 952 New Edge Networks
7018 803 1526 AT&T WorldNet Services
6197 796 1007 BellSouth Network Solutions,
9583 729 901 Sify Limited
11492 623 632 Cable One
2386 599 876 AT&T Data Communications Serv
7046 599 847 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 545 618 AboveNet Communications, Inc.
7011 543 634 Citizens Utilities
2686 526 570 IBM
4766 517 707 Korea Telecom (KIX)
702 486 708 UUNET - Commercial IP service
855 416 537 Canadian Research Network
5668 411 529 CenturyTel Internet Holdings,
15270 396 427 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:41 12:1643 13:1 15:12
16:3 17:3 18:4 20:43 24:745 25:1
30:2 32:279 38:213 40:54 41:1 44:3
47:6 52:4 55:1 56:3 57:47 58:155
59:200 60:181 61:815 62:888 63:3485 64:3542
65:3682 66:3623 67:648 68:664 69:1512 70:329
71:82 72:704 73:23 74:34 80:767 81:649
82:663 83:387 84:395 85:544 86:355 87:334
88:84 89:192 124:275 125:382 128:167 129:187
130:114 131:320 132:34 133:8 134:159 135:46
136:178 137:76 138:198 139:160 140:468 141:136
142:391 143:164 144:226 145:39 146:324 147:141
148:331 149:189 150:114 151:85 152:71 153:107
154:6 155:198 156:98 157:145 158:161 159:172
160:87 161:78 162:261 163:146 164:224 165:218
166:163 167:246 168:607 169:128 170:336 171:14
183:1 190:72 192:5850 193:3389 194:2736 195:1971
196:868 198:4035 199:3307 200:4454 201:937 202:6721
203:6927 204:4082 205:2210 206:2769 207:3585 208:2890
209:4178 210:1998 211:687 212:1320 213:1569 214:362
215:41 216:4503 217:1398 218:262 219:174 220:635
221:349 222:142
End of report
