Post on 06-Jan-2018
description
The Wired World and Cyber Security
Steven Branigan & Bill Cheswick
June 21, 2001
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Motivations
• Highlands “day after” scenario (Sponsored by DoD and run by Dick O’Neil)
• Traceback technologies for Denial Of Service and Distributed Denial of Service attacks
• Observations of the growth of Bell Labs’ and AT&T’s intranet
• Discussions with numerous CIOs and CFOs
• Curiosity about size and growth of the Internet
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A US Internet Map by John Quarterman
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South American Interconnection Map by John Quarterman
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peacock
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Cleaned-up
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Top ISPs as of 8/26/1999
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Top 20 Internet Service Providers
• 6533 alter.net• 5478 cw.net• 2329 att.net• 2297 sprintlink.net• 2126 apnic.net• 1902 ripe.net• 1753 uu.net• 1595 qwest.net• 1257 bbnplanet.net• 1154 psi.net
• 1048 verio.net• 1011 bellsouth.net• 985 telstra.net• 898 bellglobal.com• 887 gblx.net• 768 ans.net• 691 pnap.net• 616 telia.com• 599 krnic.net• 525 telia.net
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Top 20 Top Level Domains
• 64209 net .net
• 10617 com .com
• 2874 au Australia
• 2391 jp Japan
• 1979 ca Canada
• 1307 edu .edu
• 1208 de Germany
• 1089 mil .mil
• 841 fr France
• 677 us United States
• 619 ru Russian Federation
• 560 mx Mexico
• 526 it Italy
• 525 in India
• 471 org .org
• 446 br Brazil
• 428 ch Switzerland
• 380 kr Korea, Republic of
• 378 ro Romania
• 368 ar Argentina
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A Typical Company’s intranet Map
Blue – known linksRed – unknown links
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Another Corporate Network
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A “client” intranet showing mapping host location
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A very clean network. Only a few anomalies on the map
Lumeta proprietaryAn intranet undergoing divestiture
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Blue is outside (Internet), red is inside
YugoslaviaAn unclassified peek at a new
battlefield
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