IP Tools
Addressing, geolocation, ASN and subnetting
What Is My IPYour IPv4/IPv6, ISP, ASN and approximate location.IP LookupGeolocation, ASN, allocation, abuse contacts and reverse DNS for any public IP.Subnet CalculatorCIDR maths: network, broadcast, mask, host counts and usable range.Browser onlyBGP LookupAnnounced prefix, origin AS, RIR allocation and routing status.ASN LookupAS holder, country, announced ranges and observed peers.