Wouldn't the US DOD be an example of this? They have a /8 so surely there are plenty of /24 not routed.
On Tue, Aug 19, 2025 at 12:34 PM Sriram, Kotikalapudi (Fed) via NANOG < [email protected]> wrote: > Question: Can a prefix be never routed on the Internet but used only > one-way for source address in IP packets? > > That is. a user owns an IP prefix. They never advertise a route to it in > BGP on the Internet. But they use the prefix solely for source address in > IP traffic from a source to a destination (sink). In this set up, the > destination server obviously cannot/doesn't return any acknowledgements > etc. to the source. Anyone aware if there is any such known application in > use on the Internet - even if it is rare? Thanks. > > Sriram > _______________________________________________ > NANOG mailing list > > https://lists.nanog.org/archives/list/[email protected]/message/MSEGDFSZ75EMKVD2FWPFSJBOB24X5GQR/ > _______________________________________________ NANOG mailing list https://lists.nanog.org/archives/list/[email protected]/message/7X2RYTHTQIHECQOIBNBMVNY2ALUEPGRF/
