IP lookup
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Inspect network information and records associated with an IP address.
Frequently asked questions
The network the address belongs to (AS number, name and prefix), an approximate location and four lists: services observed on the address, DNS names that pointed to it, certificates seen on it and the WHOIS records of up to 10 of those domains.
No. The registrations shown belong to domains found on the address, not to the IP block itself. For the networks it belongs to, use ASN lookup.
Not here: enter one IPv4 or IPv6 address. ASN lookup accepts a CIDR range and lists the networks it overlaps, and Reverse IP lookup lists the names that pointed to an address.
1 credit per lookup. Loading more results or applying new options runs a new lookup. Free accounts without purchased credits see the first page of each list.