https://www.kentik.com/blog/the-mystery-of-as8003/ <https://www.kentik.com/blog/the-mystery-of-as8003/> "On January 20, 2021, a great mystery appeared in the internet’s global routing table. An entity that hadn’t been heard from in over a decade began announcing large swaths of formerly unused IPv4 address spacebelonging to the U.S. Department of Defense. Registered as GRS-DoD, AS8003 began announcing 11.0.0.0/8 among other large DoD IPv4 ranges.”
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