Lookup of 88.198.87.73
IP address: 88.198.87.73
Address type: IPv4
Host or reverse DNS (rDNS): static.88.198.87.73.clients.your-server.de
Country: 
Germany
88.198.87.73 does NOT belong to a private IP address block.
88.198.87.73 does NOT belong to a reserved IP address block.