RFC1918

 The 10.0.0.1 and 10.0.0.2 are a part of a series of netblocks set aside for private networks by RFC1918, IP Address Allocation for Private Internets. RFC1918 sets aside three large ranges, 10.0.0.0-10.255.255.255 (10.0.0.0/8), 172.16.0.0-172.31.255.255 (172.16.0.0/12), and 192.168.0.0-192.168.255.255 (192.168.0.0/16).