Mapping and Geo of IP
iptrackeronline - email header analyser and IP tracker
Echosec - excellent geo tool for geofencing and locating uploads of twitter, etc. PAID ( and expensive)
Geocoder - enter the location and the reference is given
IP Mapping- geo-locates IP addresses
infosniper - geolocates any Ip, starting with your own
geoplaner - Lat long and eastings/northings comparisson site and locator.
latlong-gridref - Convert between Latitude/Longitude & OS National Grid References
geodesy - another latlong to EN converter
Cellmapper.net - cell site maps for 2-4g networks with cell id and location.
Cell ID finder - erm, finds cells for phone networks by their iD.
submarine cable map - see who's running the infrastructuor and network cables for international data
Privacy checker - by clicking this link the program will check and display the connection details of the computer you are now on.
wolframalpha - fantastic IP resolution and geo tool amongst other things
Bulk IP search (30 max)
Email Header analyser paste your header here and it will analyse and provide traceroute data
- satellite phone stuff