Lookup of 88.99.66.51
IP address: 88.99.66.51
Address type: IPv4
Host or reverse DNS (rDNS): static.51.66.99.88.clients.your-server.de
Country: 
Germany
88.99.66.51 does NOT belong to a private IP address block.
88.99.66.51 does NOT belong to a reserved IP address block.