Seek the network topology diagram of the topic

Two student server rooms have separate switches , indicating that the IP needed for the server room is an exit IP, the internal are private IP, 45 + 58 + 56 = 159, accounting for 10.10.58.2-10.10.58.160, three servers accounted for three IPs, 10.10.58.161-10.10.58.163. The rest of the server rooms Internal switches generally support IPV6, the transformation of the private network address on the end of the occupation of 10.10.58.164 - 10.10.58.253 between any two IP can be.