0x** numbers are hex values
it seems that you have to convert every part from hex to dez
after converting it you get:
134.152.149.18
FortiTude
ps: more infos about that host:
hostname: Host149018.osd.mil
ips: 134.152.*.* -> 7th Communications Group (NET-OSD-NET)
open ports: 25 smtp
--> a smtp mail server
(220 gateway2.gw.osd.mil SMTP/smap Ready.)