IP Lookup
Monitoring Success, 24x7! - SITEUPTIME
Similar Tools
DNS Lookup
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Whois Lookup
Get all possible details about a Domain Name.
Ping
Ping a website, server or port.
Reverse IP Lookup
Take an IP and try to look for the domain/host associated with it.