The Cidr Report
- Date: Fri, 22 Oct 2004 22:00:01 +1000 (EST)
This report has been generated at Fri Oct 22 21:44:31 2004 AEST.
The report analyses the BGP Routing Table of an AS4637 (Reach) router
and generates a report on aggregation potential within the table.
Check http://www.cidr-report.org/as4637 for a current version of this report.
Recent Table History
Date Prefixes CIDR Agg
15-10-04 146802 101029
16-10-04 146969 100417
17-10-04 146823 100433
18-10-04 146815 101032
19-10-04 147048 101156
20-10-04 147106 101176
21-10-04 147089 100943
22-10-04 147143 100940
AS Summary
18222 Number of ASes in routing system
7434 Number of ASes announcing only one prefix
1408 Largest number of prefixes announced by an AS
AS7018 : ATTW AT&T WorldNet Services
86713344 Largest address span announced by an AS (/32s)
AS721 : DNIC DoD Network Information Center
Aggregation Summary
The algorithm used in this report proposes aggregation only
when there is a precise match using the AS path, so as
to preserve traffic transit policies. Aggregation is also
proposed across non-advertised address space ('holes').
--- 22Oct04 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 147045 101011 46034 31.3% All ASes
AS18566 746 7 739 99.1% CVAD Covad Communications
AS4134 827 181 646 78.1% CHINANET-BACKBONE
No.31,Jin-rong Street
AS4323 790 219 571 72.3% TWTC Time Warner Telecom
AS7018 1408 976 432 30.7% ATTW AT&T WorldNet Services
AS7843 497 97 400 80.5% ADELPH-13 Adelphia Corp.
AS6197 808 421 387 47.9% BNS-14 BellSouth Network
Solutions, Inc
AS22773 394 19 375 95.2% CXA Cox Communications Inc.
AS27364 411 37 374 91.0% ARMC Armstrong Cable Services
AS22909 407 34 373 91.6% CMCS Comcast Cable
Communications, Inc.
AS701 1231 888 343 27.9% UU UUNET Technologies, Inc.
AS6478 415 93 322 77.6% ATTW AT&T WorldNet Services
AS1239 946 634 312 33.0% SPRN Sprint
AS17676 367 63 304 82.8% JPNIC-JP-ASN-BLOCK Japan
Network Information Center
AS9929 336 33 303 90.2% CNCNET-CN China Netcom Corp.
AS4355 381 99 282 74.0% ERSD EARTHLINK, INC
AS4766 532 266 266 50.0% KIXS-AS-KR Korea Telecom
AS21502 261 3 258 98.9% ASN-NUMERICABLE NUMERICABLE is
a cabled network in France,
AS14654 261 6 255 97.7% WAYPOR-3 Wayport
AS6140 369 123 246 66.7% IMPSA ImpSat
AS15557 343 107 236 68.8% LDCOMNET LDCOM NETWORKS
AS2386 847 619 228 26.9% ADCS-1 AT&T Data
Communications Services
AS25844 244 16 228 93.4% SASMFL-2 Skadden, Arps, Slate,
Meagher & Flom LLP
AS1221 810 583 227 28.0% ASN-TELSTRA Telstra Pty Ltd
AS22291 283 69 214 75.6% CC04 Charter Communications
AS6198 429 219 210 49.0% BNS-14 BellSouth Network
Solutions, Inc
AS721 720 514 206 28.6% DNIC DoD Network Information
Center
AS4814 206 6 200 97.1% CHINA169-BBN CNCGROUP IP
network��China169 Beijing
Broadband Network
AS3356 645 446 199 30.9% LEVEL3 Level 3 Communications
AS5668 403 211 192 47.6% CIH-12 CenturyTel Internet
Holdings, Inc.
AS15270 223 37 186 83.4% PDP-14 PaeTec.net -a division
of PaeTecCommunications, Inc.
Total 16540 7026 9514 57.5% Top 30 total
Possible Bogus Routes
24.138.80.0/20 AS11260 AHSICHCL Andara High Speed Internet c/o Halifax Cable Ltd.
24.246.0.0/17 AS7018 ATTW AT&T WorldNet Services
24.246.38.0/24 AS25994 NPGCAB NPG Cable, INC
24.246.128.0/18 AS7018 ATTW AT&T WorldNet Services
64.46.27.0/24 AS8674 NETNOD-IX Netnod Internet Exchange Sverige AB
64.46.34.0/24 AS29393 CLUEFULCOLO-AS AS for Cluefulcolo.net
64.46.63.0/24 AS7850 IHIGHW iHighway.net, Inc.
64.83.96.0/19 AS26956 NETFR NetFree Communications
64.127.0.0/18 AS7018 ATTW AT&T WorldNet Services
69.26.32.0/19 AS17307 VIRTEL-15 Virtela Communications
132.0.0.0/10 AS721 DNIC DoD Network Information Center
137.0.0.0/13 AS721 DNIC DoD Network Information Center
138.136.0.0/13 AS721 DNIC DoD Network Information Center
158.0.0.0/13 AS721 DNIC DoD Network Information Center
192.30.93.0/24 AS17757 HPAUS-AP HP Australia
192.30.94.0/24 AS17757 HPAUS-AP HP Australia
192.30.127.0/24 AS719 LANLINK Elisa Oyj
192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System
192.44.0.0/19 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe
192.70.164.0/24 AS25689 NRCC-2 National Research Council of Canada
192.81.182.0/24 AS719 LANLINK Elisa Oyj
192.81.183.0/24 AS719 LANLINK Elisa Oyj
192.81.184.0/24 AS719 LANLINK Elisa Oyj
192.119.135.0/24 AS270 NASA National Aeronautics and Space Administration
192.124.252.0/22 AS680 DFN-IP service G-WiN
192.133.6.0/24 AS4004 GLOBALONE-EQUANT-UK Equant UK & Greece Autonomous System
192.135.50.0/24 AS7018 ATTW AT&T WorldNet Services
192.153.144.0/21 AS721 DNIC DoD Network Information Center
192.172.0.0/19 AS721 DNIC DoD Network Information Center
192.188.208.0/20 AS721 DNIC DoD Network Information Center
192.243.32.0/23 AS2044 PALINA Palin Aquisitions Inc.
196.2.95.0/24 AS8668 TELONE-AS TelOne Zimbabwe P/L
198.23.26.0/24 AS4390 BELLAT-7 Bell Atlantic, Inc.
198.97.72.0/21 AS721 DNIC DoD Network Information Center
198.97.80.0/20 AS721 DNIC DoD Network Information Center
198.97.88.0/24 AS89 NUSC-1 Naval Underwater Systems Center
198.97.240.0/20 AS721 DNIC DoD Network Information Center
198.97.247.0/24 AS3475 DEPART-52 Department of the Navy
198.101.4.0/22 AS721 DNIC DoD Network Information Center
198.136.32.0/20 AS19329 MCBCC Martin County Board of County Commissioners
198.144.32.0/19 AS3998 CITY CityNet, Inc.
198.161.87.0/24 AS6539 GTGR GT Group Telecom Services Corp.
198.161.165.0/24 AS852 AGTA Telus Advanced Communications
198.163.155.0/24 AS684 MRN Manitoba Regional Network
198.167.0.0/16 AS7456 INS-51 Interhop Network SERVICES Inc.
198.167.163.0/24 AS15290 ACCA-2 Allstream Corp. Corporation Allstream
198.168.0.0/16 AS701 UU UUNET Technologies, Inc.
198.169.0.0/16 AS803 SASK SaskTel
198.232.133.0/24 AS23075 SKOTOS Skotos Tech, Inc
199.10.0.0/16 AS721 DNIC DoD Network Information Center
199.60.0.0/20 AS271 UBC-3 University of British Columbia
199.96.44.0/23 AS19092 360NE-1 360Networks (USA) Inc.
199.96.46.0/24 AS19092 360NE-1 360Networks (USA) Inc.
199.114.0.0/18 AS568 DISOUN DISO-UNRRA
199.114.0.0/21 AS721 DNIC DoD Network Information Center
199.114.128.0/18 AS721 DNIC DoD Network Information Center
199.114.130.0/24 AS721 DNIC DoD Network Information Center
199.114.132.0/24 AS721 DNIC DoD Network Information Center
199.114.134.0/24 AS1913 DLA-8 Defense Logistics Agency
199.114.136.0/24 AS1913 DLA-8 Defense Logistics Agency
199.114.138.0/24 AS721 DNIC DoD Network Information Center
199.114.140.0/24 AS3544 DISAUN DISA/UNRRA
199.114.142.0/24 AS721 DNIC DoD Network Information Center
199.114.144.0/24 AS721 DNIC DoD Network Information Center
199.114.148.0/24 AS721 DNIC DoD Network Information Center
199.114.150.0/24 AS721 DNIC DoD Network Information Center
199.114.152.0/24 AS1913 DLA-8 Defense Logistics Agency
199.114.154.0/24 AS1733 ADP-41 AF DDN PMO
199.114.156.0/24 AS1913 DLA-8 Defense Logistics Agency
199.114.160.0/24 AS1733 ADP-41 AF DDN PMO
199.120.32.0/19 AS16582 NXLI NEXTLEVEL INTERNET, INC.
199.121.0.0/16 AS721 DNIC DoD Network Information Center
199.123.0.0/18 AS721 DNIC DoD Network Information Center
199.123.16.0/20 AS721 DNIC DoD Network Information Center
199.123.80.0/21 AS721 DNIC DoD Network Information Center
199.189.32.0/19 AS7332 IQUEST IQuest Internet
199.197.8.0/22 AS21814 PARSON-18 Parsons Corp.
199.202.0.0/16 AS701 UU UUNET Technologies, Inc.
200.26.216.0/24 AS10834 Telefonica Data Argentina S.A.
202.70.28.0/24 AS4515 ERX-STAR Star Internet Services Ltd.
202.73.128.0/22 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd.
202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street
202.133.3.0/24 AS9335 CIP-JAPAN-AS-AP ATT IPlus
202.164.224.0/19 AS7599 IPXC-AS-AP IP Exchange
203.32.4.0/23 AS7617
203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet)
203.84.192.0/19 AS17433 PHILWEB-AP PhilWeb.Com, Inc.
203.84.192.0/20 AS17433 PHILWEB-AP PhilWeb.Com, Inc.
203.84.208.0/20 AS17433 PHILWEB-AP PhilWeb.Com, Inc.
203.170.14.0/23 AS6648 ASN-SKYINTERNET ASs peering of Sky Internet
203.210.69.0/24 AS17536 PRODIGY-AS-AP Prodidgy Telecommunications
204.154.125.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc.
204.154.126.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc.
204.154.127.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc.
204.194.110.0/23 AS30653 EXOBI Exobit Networks Inc.
205.150.0.0/15 AS701 UU UUNET Technologies, Inc.
205.159.72.0/24 AS1660 ANSCOM-5 ANS Communications
206.167.57.0/24 AS376 RISQR-3 Reseau Interordinateurs Scientique Quebecois (RISQ)
206.191.64.0/18 AS15290 ACCA-2 Allstream Corp. Corporation Allstream
206.251.69.0/24 AS27429 TIL-33 Telesat International Ltd.
206.253.190.0/23 AS8123 POLYBA Polybase
207.47.254.0/24 AS701 UU UUNET Technologies, Inc.
207.231.96.0/19 AS11194 NUNETI NuNet Inc
208.81.187.0/24 AS19194 SNL-8 Sentris Network LLC
209.172.0.0/18 AS7770 TRTI Triton Technologies, Inc.
209.205.69.0/24 AS21578 Universidad autonoma de Bucaramanga
209.205.70.0/24 AS21578 Universidad autonoma de Bucaramanga
209.205.81.0/24 AS15066 SkyNet de Colombia S.A.
209.205.82.0/24 AS15066 SkyNet de Colombia S.A.
209.205.84.0/24 AS15066 SkyNet de Colombia S.A.
209.213.32.0/19 AS10629 INS-52 Inter-Pacific Network Services
209.213.48.0/24 AS10629 INS-52 Inter-Pacific Network Services
209.213.49.0/24 AS10629 INS-52 Inter-Pacific Network Services
209.213.50.0/24 AS10629 INS-52 Inter-Pacific Network Services
209.251.0.0/19 AS11036 SISCOM-1 SISCOM, Inc
210.4.0.0/18 AS6648 ASN-SKYINTERNET ASs peering of Sky Internet
210.4.0.0/19 AS6648 ASN-SKYINTERNET ASs peering of Sky Internet
210.4.32.0/19 AS6648 ASN-SKYINTERNET ASs peering of Sky Internet
216.37.110.0/23 AS4264 CERFN California Education and Research Federation Network
216.96.128.0/18 AS7018 ATTW AT&T WorldNet Services
216.145.130.0/23 AS11937 TRXI TRX Inc.
216.145.132.0/22 AS11937 TRXI TRX Inc.
216.145.156.0/24 AS20304 JIS-32 JVLNET Internet Services
216.145.158.0/24 AS20304 JIS-32 JVLNET Internet Services
216.145.176.0/21 AS20304 JIS-32 JVLNET Internet Services
216.145.177.0/24 AS20304 JIS-32 JVLNET Internet Services
216.145.178.0/24 AS20304 JIS-32 JVLNET Internet Services
216.145.184.0/21 AS10758 INWAVE INWave Internet, Inc
216.145.200.0/21 AS20304 JIS-32 JVLNET Internet Services
216.186.151.0/24 AS3356 LEVEL3 Level 3 Communications
216.186.152.0/21 AS3356 LEVEL3 Level 3 Communications
216.186.160.0/23 AS3356 LEVEL3 Level 3 Communications
216.186.164.0/22 AS3356 LEVEL3 Level 3 Communications
216.186.192.0/22 AS3356 LEVEL3 Level 3 Communications
216.186.198.0/23 AS3356 LEVEL3 Level 3 Communications
216.186.248.0/23 AS3356 LEVEL3 Level 3 Communications
Please see http://www.cidr-report.org for the full report
------------------------------------
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