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  2. Internet geolocation - Wikipedia

    en.wikipedia.org/wiki/Internet_geolocation

    These databases typically contain IP address data, which may be used in firewalls, ad servers, routing, mail systems, websites, and other automated systems where a geolocation may be useful. An alternative to hosting and querying a database is to obtain the country code for a given IP address through a DNSBL-style lookup from a remote server.

  3. Wikipedia:Open proxy detection/Explanation - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Open_proxy...

    When an IP address has performed an edit, a database with open proxy addresses is automatically searched. This database is periodically maintained and consists of more than half a million IP addresses and IP ranges. If a match is found, it is reported on this page. This automatic reporting only takes place if the server of RonaldB is online ...

  4. Ip address lookup - Wikipedia

    en.wikipedia.org/?title=Ip_address_lookup&...

    Ip address lookup. Add languages. Add links. ... Download QR code; Print/export ... Appearance. move to sidebar hide. From Wikipedia, the free encyclopedia. Redirect ...

  5. Wikipedia:Open proxy detection - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Open_proxy_detection

    Download QR code; Print/export Download as PDF; ... IP-address country type ... open proxy: 23‑11‑2024: 24‑11‑2024:

  6. X-Forwarded-For - Wikipedia

    en.wikipedia.org/wiki/X-Forwarded-For

    The general format of the field is: [2] X-Forwarded-For: client, proxy1, proxy2 where the value is a comma+space separated list of IP addresses, the left-most being the original client, and each successive proxy that passed the request adding the IP address where it received the request from.

  7. Wikipedia:Open proxies

    en.wikipedia.org/wiki/Wikipedia:Open_proxies

    Non-static IP addresses or hosts that are otherwise not permanent proxies should typically be blocked for a shorter period of time, as it is likely the IP address will eventually be transferred or dynamically reassigned, or the open proxy closed. Once closed, the IP address should be unblocked.