> On Mar 23, 2021, at 2:05 PM, Keith Moore <moore@xxxxxxxxxxxxxxxxxxxx> wrote: > >> On 3/23/21 3:57 PM, Spencer Dawkins at IETF wrote: >> >> I'd like to see some observance like this. Another related day that might serve was the TCP/IP Flag Day, when Arpanet stopped carrying NCP, on January 1, 1983. > > Maybe the public Internet can start filtering advertisements for IPv4 prefixes on the 40th anniversary of that date? That’s one way to make sure the Internet doesn’t make it to 41. Joe