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|    comp.protocols.tcp-ip    |    TCP and IP network protocols.    |    14,669 messages    |
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|    Message 14,443 of 14,669    |
|    Grant Taylor to Barry Margolin    |
|    Re: How does geolocation work?    |
|    29 Mar 20 12:08:25    |
      From: gtaylor@tnetconsulting.net              On 3/27/20 8:20 AM, Barry Margolin wrote:       > Not very well. IP geolocation software usually thinks I'm in a city       > more than 5 miles away.              I'd call that quite good.              5 miles away out of the ~12,000 from any point on the glob around the       the opposite side, that's quite good.              That's 99.959 % accurate.              Considering that GeoIP databases are primarily intended to identify the       country, 5 miles seems spot on to me.              Considering the nature of how many GeoIP databases work in that they       associate a net block with an ISP, who can then dynamically assign IPs       therein to any of their customers, across town is about the best you can       get. (Assuming that the ISP uses different net blocks in different towns.)                            --       Grant. . . .       unix || die              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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