This is a classic trace that shows that all the border routers are FUBAR'd. The internal routes for each ISP appears intact but the border routes, between ISPs, are hosed to oblivion. Note that, ONLY the border gateways are not responding. All timestamps are Central European Daylight Time.

===(Start Trace)===
gyrfalcon.caselle:/
Wed Jun 23 08:34:40 [bash:root:12]$> tracert ars.userfriendly.org

Tracing route to ars.userfriendly.org [69.57.143.182]
over a maximum of 30 hops:

  1     *        *        *     Request timed out.
  2    20 ms    20 ms    10 ms  1.16.63.81.cust.bluewin.ch [81.63.16.1]
  3    20 ms    20 ms    20 ms  net321.bwrt1zhb.bluewin.ch [195.186.45.65]
  4    20 ms    10 ms    20 ms  net125.bwrt2inb.bluewin.ch [195.186.125.72]
  5     *        *        *     Request timed out.
  6    20 ms    20 ms    20 ms  i79zhb-015-gig8-0.bb.ip-plus.net [164.128.33.34]
  7    20 ms    30 ms    20 ms  i68geb-005-pos3-0.bb.ip-plus.net [164.128.33.162]
  8    40 ms    40 ms    40 ms  i00lon-005-pos2-0.bb.ip-plus.net [164.128.33.14]
  9    40 ms    40 ms    41 ms  195.66.224.185
 10     *        *        *     Request timed out.
 11     *        *        *     Request timed out.
 12     *      131 ms   130 ms  p12-0.core01.jfk02.atlas.cogentco.com [66.28.4.10]
 13   120 ms   130 ms   131 ms  p4-0.core02.dca01.atlas.cogentco.com [66.28.4.81]
 14   140 ms   140 ms   140 ms  p14-0.core01.atl01.atlas.cogentco.com [66.28.4.161]
 15   150 ms   150 ms   150 ms  p14-0.core01.mco01.atlas.cogentco.com [66.28.4.153]
 16   150 ms   140 ms   140 ms  p14-0.core01.tpa01.atlas.cogentco.com [66.28.4.142]
 17     *        *        *     Request timed out.
 18     *        *        *     Request timed out.
 19     *      160 ms   160 ms  ivhou-207-218-245-111.ev1.net [207.218.245.111]
 20   171 ms   170 ms   170 ms  ars.userfriendly.org [69.57.143.182]

Trace complete.
gyrfalcon.caselle:/
Wed Jun 23 08:46:11 [bash:root:13]$>
===(End Trace)===