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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 24 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 204898
Prefixes after maximum aggregation: 107099
Unique aggregates announced to Internet: 93097
Total ASes present in the Internet Routing Table: 22621
Origin-only ASes present in the Internet Routing Table: 19592
Origin ASes announcing only one prefix: 9388
Transit ASes present in the Internet Routing Table: 3029
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 36
Max AS path prepend of ASN (33776) 21
Prefixes from unregistered ASNs in the Routing Table: 24
Unregistered ASNs in the Routing Table: 16
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1540419797
Equivalent to 91 /8s, 208 /16s and 240 /24s
Percentage of available address space announced: 41.6
Percentage of allocated address space announced: 60.1
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 105352
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42038
Total APNIC prefixes after maximum aggregation: 16976
Prefixes being announced from the APNIC address blocks: 39646
Unique aggregates announced from the APNIC address blocks: 18557
APNIC Region origin ASes present in the Internet Routing Table: 2615
APNIC Region origin ASes announcing only one prefix: 746
APNIC Region transit ASes present in the Internet Routing Table: 404
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 231220388
Equivalent to 13 /8s, 200 /16s and 36 /24s
Percentage of available APNIC address space announced: 72.3
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: 108916
Total ARIN prefixes after maximum aggregation: 59630
Prefixes being announced from the ARIN address blocks: 81198
Unique aggregates announced from the ARIN address blocks: 26971
ARIN Region origin ASes present in the Internet Routing Table: 10845
ARIN Region origin ASes announcing only one prefix: 4081
ARIN Region transit ASes present in the Internet Routing Table: 1050
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 294676769
Equivalent to 17 /8s, 144 /16s and 105 /24s
Percentage of available ARIN address space announced: 76.4
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: 39799
Total RIPE prefixes after maximum aggregation: 25826
Prefixes being announced from the RIPE address blocks: 37185
Unique aggregates announced from the RIPE address blocks: 23192
RIPE Region origin ASes present in the Internet Routing Table: 8222
RIPE Region origin ASes announcing only one prefix: 4281
RIPE Region transit ASes present in the Internet Routing Table: 1377
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 261180032
Equivalent to 15 /8s, 145 /16s and 74 /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: 11815
Total LACNIC prefixes after maximum aggregation: 3752
Prefixes being announced from the LACNIC address blocks: 9912
Unique aggregates announced from the LACNIC address blocks: 5564
LACNIC Region origin ASes present in the Internet Routing Table: 703
LACNIC Region origin ASes announcing only one prefix: 235
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 27773952
Equivalent to 1 /8s, 167 /16s and 204 /24s
Percentage of available LACNIC address space announced: 41.4
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: 2307
Total AfriNIC prefixes after maximum aggregation: 915
Prefixes being announced from the AfriNIC address blocks: 1546
Unique aggregates announced from the AfriNIC address blocks: 972
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: 36
Number of AfriNIC addresses announced to Internet: 4142336
Equivalent to 0 /8s, 63 /16s and 53 /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 1180 6439 214 CHINANET-BACKBONE
4755 926 256 72 Videsh Sanchar Nigam Ltd. Aut
9583 909 109 16 Sify Limited
4766 712 4435 308 Korea Telecom (KIX)
9498 674 210 65 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 467 2717 31 China Education and Research
9443 452 111 83 Primus Telecommunications
18101 417 85 24 Reliance Infocom Ltd Internet
17557 398 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 361 211 228 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
702 686 1951 450 UUNET - Commercial IP service
3215 405 1720 96 France Telecom Transpac
3301 312 1327 297 TeliaNet Sweden
8551 307 198 24 Bezeq International
3352 304 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 238 90 213 Dynamic Network Technologies,
5089 233 1659 44 NTL Group Limited
3246 230 463 220 Song Networks
1257 222 741 166 SWIPnet Swedish IP Network
8708 218 276 204 Romania Data Systems S.A.
24863 215 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
3300 171 171 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 5036 6752 775 UUNET Technologies, Inc.
4323 3146 744 265 Time Warner Telecom
705 1556 574 685 UUNET Technologies, Inc.
7018 1481 6240 952 AT&T WorldNet Services
721 1017 21998 314 DLA Systems Automation Center
6197 1010 630 481 BellSouth Network Solutions,
174 954 5691 888 Cogent Communications
19029 947 151 108 New Edge Networks
18566 945 272 8 Covad Communications
2386 911 560 704 AT&T Data Communications Serv
1239 848 2773 599 Sprint
7046 841 251 699 UUNET Technologies, Inc.
20115 713 619 387 Charter Communications
19262 711 2086 185 Verizon Global Networks
209 694 3667 548 Qwest
22773 668 1741 40 Cox Communications, Inc.
7011 651 218 414 Citizens Utilities
11492 636 87 23 Cable One
6461 607 227 83 AboveNet Communications, Inc.
852 594 1068 379 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3146 2881 Time Warner Telecom
4134 1180 966 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 909 893 Sify Limited
705 1556 871 UUNET Technologies, Inc.
4755 926 854 Videsh Sanchar Nigam Ltd. Aut
19029 947 839 New Edge Networks
721 1017 703 DLA Systems Automation Center
22773 668 628 Cox Communications, Inc.
11492 636 613 Cable One
9498 674 609 BHARTI BT INTERNET LTD.
7018 1481 529 AT&T WorldNet Services
6197 1010 529 BellSouth Network Solutions,
19262 711 526 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,
855 548 489 Canadian Research Network
7545 547 476 TPG Internet Pty Ltd
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 /12:91
/13:205 /14:360 /15:716 /16:8879 /17:3298 /18:5506
/19:12028 /20:13655 /21:12227 /22:15544 /23:16812 /24:113434
/25:465 /26:349 /27:279 /28:206 /29:219 /30:463
/31:0 /32:96
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3779 5036 UUNET Technologies, Inc.
4323 1871 3146 Time Warner Telecom
705 995 1556 UUNET Technologies, Inc.
18566 928 945 Covad Communications
19029 879 947 New Edge Networks
6197 792 1010 BellSouth Network Solutions,
7018 784 1481 AT&T WorldNet Services
9583 739 909 Sify Limited
2386 633 911 AT&T Data Communications Serv
11492 627 636 Cable One
7046 594 841 UUNET Technologies, Inc.
7011 560 651 Citizens Utilities
19916 557 563 OLM LLC
6461 535 607 AboveNet Communications, Inc.
4766 524 712 Korea Telecom (KIX)
702 470 686 UUNET - Commercial IP service
2686 466 511 IBM
855 427 548 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 12:1630 13:1 15:16
16:3 17:3 18:4 20:41 24:768 25:1
30:2 32:246 38:235 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:46 58:183
59:253 60:179 61:874 62:1021 63:3437 64:3565
65:3620 66:3738 67:639 68:686 69:1544 70:399
71:82 72:775 74:45 75:1 80:778 81:659
82:687 83:389 84:388 85:579 86:389 87:372
88:111 89:296 121:1 122:2 123:1 124:293
125:524 128:164 129:189 130:119 131:318 132:34
133:9 134:159 135:48 136:178 137:83 138:206
139:150 140:521 141:134 142:402 143:166 144:223
145:39 146:319 147:142 148:340 149:191 150:114
151:94 152:72 153:106 154:6 155:204 156:183
157:148 158:168 159:172 160:91 161:81 162:244
163:159 164:226 165:216 166:173 167:247 168:607
169:128 170:352 171:14 183:1 190:96 192:5851
193:3375 194:2765 195:2080 196:876 198:4099 199:3299
200:4631 201:1006 202:6805 203:7123 204:4094 205:2161
206:2794 207:3555 208:2979 209:4181 210:2104 211:733
212:1431 213:1589 214:363 215:41 216:4584 217:1388
218:311 219:265 220:714 221:370 222:199
End of report
