Lookup of 88.99.28.54
IP address: 88.99.28.54
Address type: IPv4
Host or reverse DNS (rDNS): static.54.28.99.88.clients.your-server.de
Country: 
Germany
88.99.28.54 does NOT belong to a private IP address block.
88.99.28.54 does NOT belong to a reserved IP address block.