Comcast Cable Communications, Inc. JUMPSTART-4 (NET-69-240-0-0-1) 69.240.0.0 - 69.255.255.255 Comcast Cable Communications, Inc. PA-28 (NET-69-249-0-0-1) 69.249.0.0 - 69.249.255.255 # ARIN WHOIS database, last updated 2009-11-19 20:00 # Enter ? for additional hints on searching ARIN's WHOIS database.