ANTHROPIC
AS399358 (ANTHROPIC) announces at least four prefixes:
160.79.104.0/23
Anthropic, PBC
1970-01-01
NET-160-79-104-0-1
160.79.104.0-160.79.111.255
209.249.57.0/24
Zayo Bandwidth
NET-209-249-0-0-1
209.249.0.0-209.249.255.255
2607:6bc0::/48
NET6-2607-6BC0-1
2607:6bc0::-2607:6bc0:ffff:ffff:ffff:ffff:ffff:ffff
2607:6bc0:11::/48
0