Hi NANOG, You have given good advice on updating IP Geolocation data in the past, including visiting 'www.google.com' from a mobile device and selecting "use exact location [from GPS]". This worked out well for us a few years ago for a single IP which we were NATting out of in a new geographic location. Now we are in a position where we have been assigned site-local /24 (out of the corporation's larger /20 space) networks for a couple of locations and I'm wondering how I go about updating IP Geolocation data to note that two /24 networks are no longer at the Corporate HQ location. I understand that when users first start using these site-specific /24 networks, they will be lumped in with the larger /20 space as far as their geolocation goes, but besides the Google/GPS method, is there a cleaner/better way to do this? Do Geolocation services use SWIP data? Should I have the /24s have separate SWIP data noting the geo location? I'd love a place to be able to say: "This /24 is at this geoloc; this /24 is at this geoloc; and the corporate /20 remains where it always has been." Many thanks for your insights in this matter, -Dave