Lookup of 23.88.7.157
IP address: 23.88.7.157
Address type: IPv4
Host or reverse DNS (rDNS): static.157.7.88.23.clients.your-server.de
Country: 
Germany
23.88.7.157 does NOT belong to a private IP address block.
23.88.7.157 does NOT belong to a reserved IP address block.