World geography

world-mask.png is the unmodified raster map texture distributed by COBE:
https://github.com/shuding/cobe/blob/main/src/texture.png

Original map: World map blank without borders, by Crates, with subsequent
edits credited in the file history:
https://commons.wikimedia.org/wiki/File:World_map_blank_without_borders.svg

Map licensed under Creative Commons Attribution-ShareAlike 4.0 International:
https://creativecommons.org/licenses/by-sa/4.0/

The Polygres illustration projects this raster geography onto an ASCII globe.
The geographical adaptation is offered under the same CC BY-SA 4.0 license.
Graph connections are illustrative, not a map of deployed infrastructure.