Comments on: My favorite IP address 4.2.2.1 http://www.bitplumber.net/2009/03/my-favorite-ip-address-4221/ A place for Google to index my learnings Fri, 06 Jan 2012 08:18:20 +0000 hourly 1 http://wordpress.org/?v=3.3 By: corbeze http://www.bitplumber.net/2009/03/my-favorite-ip-address-4221/comment-page-1/#comment-4001 corbeze Tue, 15 Sep 2009 02:53:24 +0000 http://www.bitplumber.net/?p=95#comment-4001 L3 bought Genuity/BBN/GTE Enterprise http://www.isp-planet.com/news/2002/lvlt_genu_021129.html http://www.cybertelecom.org/industry/genuity.htm 4.2.2.1-4.2.2.6 all work as recursive DNS and many are unicast. Verizon before they bought MCI was really in bed with L3 for dark fiber which they continue to still use. The reverse DNS entries might change for 4.2.2.1 etc at a later date but the IP and network is Level 3. L3 bought Genuity/BBN/GTE Enterprise

http://www.isp-planet.com/news/2002/lvlt_genu_021129.html
http://www.cybertelecom.org/industry/genuity.htm

4.2.2.1-4.2.2.6 all work as recursive DNS and many are unicast. Verizon before they bought MCI was really in bed with L3 for dark fiber which they continue to still use. The reverse DNS entries might change for 4.2.2.1 etc at a later date but the IP and network is Level 3.

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