RE: Is it safe to use 240.0.0.0/4

Use 100.64.0.0/10, this is the CGNAT reserved range.I would most definitely not recommend 240.0.0.0 -----Original Message----- From: NANOG [mailto:nanog-bounces@nanog.org] On Behalf Of Luan Nguyen Sent: Thursday, 18 June 2015 9:07 a.m. To: nanog@nanog.org Subject: Is it safe to use 240.0.0.0/4 Is that safe to use internally? Anyone using it? Just for NATTING on Cisco gears...