Google Public DNS Server Locations List

Most of us Geeks do a lot of tests to find out which DNS Resolution Service is best for our homes or workplaces. Well after doing some tests I figured out that OpenDNS is the best for me as it resolves addresses faster that any other DNS Resolution Services, including Google’s Public DNS.

While deciding the DNS Resolution Service, I wanted to find out which service had their servers closest to my location. OpenDNS has a nice System Status page which shows the server list along with their uptime status. For every service provider it was easy for me to find out their server locations, except Google’s Public DNS. I was surprised at how they went ahead and put the Server Locations list. Now it’s very easy to do a simple Google search and find out what those IATA Airport codes stand for, most of which you could even guess if you had some geographic sense, but why make it so complicated? They could have instead, made it easy for everybody by creating a simple listing with the respectful city/country names in full.

Till they do that, I complied a simpler table of the subnets from which Google Public DNS sends requests to authoritative nameservers:

Subnet Airport Code Location GRU Sao Paulo, Brazil TPE Taipei, Taiwan BRU Brussels, Belgium BER Berlin, Germany LPP Lappeenranta, Finland GRQ Groningen, Netherlands GRQ Groningen, Netherlands MRN Morganton, North Carolina, USA MRN Morganton, North Carolina, USA ATL Atlanta, GA, USA ATL Atlanta, GA, USA BRU Brussels, Belgium CBF Council Bluffs, Iowa, USA CBF Council Bluffs, Iowa, USA CHS Charleston, SC, USA CHS Charleston, SC, USA DLS The Dalles, Oregon, USA DLS The Dalles, Oregon, USA DUB Dublin, Ireland FRA Frankfurt, Germany HKG Hong Kong KUL Kuala Lumpur, Malaysia LPP Lappeenranta, Finland TUL Tulsa, OK, USA CBF Council Bluffs, Iowa, USA
2404:6800:4001::/48 KUL Kuala Lumpur, Malaysia
2404:6800:4005::/48 HKG Hong Kong
2404:6800:4008::/48 TPE Taipei, Taiwan
2607:f8b0:4001::/48 CBF Council Bluffs, Iowa, USA
2607:f8b0:4002::/48 ATL Atlanta, GA, USA
2607:f8b0:4003::/48 TUL Tulsa, OK, USA
2607:f8b0:400c::/48 CHS Charleston, SC, USA
2607:f8b0:400d::/48 MRN Morganton, North Carolina, USA
2607:f8b0:400e::/48 DLS The Dalles, Oregon, USA
2800:3f0:4001::/48 GRU Sao Paulo, Brazil
2a00:1450:4001::/48 FRA Frankfurt, Germany
2a00:1450:4008::/48 BER Berlin, Germany
2a00:1450:400b::/48 DUB Dublin, Ireland
2a00:1450:400c::/48 BRU Brussels, Belgium
2a00:1450:4010::/48 LPP Lappeenranta, Finland
2a00:1450:4013::/48 GRQ Groningen, Netherlands

UPDATE: According to this post by Google, they added new subnets in Australia, India, Japan and Nigeria recently but are yet to update us with the subnet details. I will update this table as soon as I get the new info.

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