Location Data From IP address

This can be used to select lanauge or pre-fill some data fields. It can also be used to grant or deny access. For example, many users are now blocking email access from China and Korea due to the massive volumn of spam send from servers in those countries.

Methods in order of preference:

1. LOC record in the DNS entry for the host
2. Complete DB / Text file match
3. Domain parsing file
4. Hostname reduction match
5. WhoIs record
6. Country Code

See also:

• http://www.hostip.info/ Hostip.info is a community-based project to geolocate IP addresses, making the database freely available
• http://www.ip2region.com reverse ip address to city information+
• http://www.blackholes.us/ IP address blocking lists to pre-emptivly cut out likely spam. (not a good idea probably, but some of the country information may be usefull)+
• http://www.ip2location.com Reverse IP address to country, region, city and ISP replies: xss"'>+

  +

• http://netgeo.caida.org/perl/netgeo.cgi e.g: http://netgeo.caida.org/perl/netgeo.cgi?target=62.177.87.149 returns

  VERSION=1.0
  
  TARGET: 62.177.87.149
  NAME: VOLNYNETWORK
  NUMBER: 62.177.87.0 - 62.177.87.255
  CITY: AS
  STATE: ZAPADOCESK (region)
  COUNTRY: CZ
  LAT: 50.30
  LONG: 12.20
  LAT_LONG_GRAN: City
  LAST_UPDATED: 
  NIC: RIPE
  LOOKUP_TYPE: Block Allocation
  RATING: 
  DOMAIN_GUESS: vol.cz
  STATUS: OK
  
  

• http://visualroute.visualware.com/ location (sort of) from IP address.
• http://www.caida.org/tools/visualization/gtrace/ Visual Traceroute
• http://cello.cs.uiuc.edu/cgi-bin/slamm/ip2ll/ Host name to Latitude/Longitude (Depends on accuracy of whois data)
• http://www.private.org.il/IP2geo.html Finding a host's geographical location By Uri Raz

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