RIPE WHOIS IP Address Database Search
Look up an IP address in RIPE Database search service
Find out what oganization an IP address is assigned to in RIPE (Europe)
RIPE's WHOIS service gives contact and registration information for IP addresses, autonomous system numbers (ASN), organizations or customers that are associated with these resources, and related Points of Contact (POC). It doesn't include information on domain names.
What it's good for
- Does a reverse IP address lookup
- Enter an IP address and find out what netblock it's a part of what to what organization that netblock is assigned
- RIPE (this tool) handles IP assignments for Europe https://www.ripe.net/
- AFRINIC handles IP assignments in Africa http://www.afrinic.net/
- APNIC handles IP assignemts in Asia Pacific https://www.apnic.net/
- ARIN handles IP assignemts in Northern America https://www.arin.net/
- LACNIC handles IP assignemts in Latin America and the Carribean http://www.lacnic.net/
- IANA also handles IP assignments in the IPV4 Recovered Address Space http://www.iana.org/assignments/ipv4-recovered-address-space/ipv4-recovered-address-space.xhtml