wildcard mask

172.16.199.228 is the network address. You need to use 172.16.199.229 or .230

Output of ipcalc:

Address:   172.16.199.228       10101100.00010000.11000111.111001 00
Netmask:   255.255.255.252 = 30 11111111.11111111.11111111.111111 00
Wildcard:  0.0.0.3              00000000.00000000.00000000.000000 11
=>
Network:   172.16.199.228/30    10101100.00010000.11000111.111001 00
HostMin:   172.16.199.229       10101100.00010000.11000111.111001 01
HostMax:   172.16.199.230       10101100.00010000.11000111.111001 10
Broadcast: 172.16.199.231       10101100.00010000.11000111.111001 11
Hosts/Net: 2                     Class B, Private Internet