Yes, as advised off list, this is the one that comes to mind.
On 06/05/2020 22:12, Leo Vegoda wrote:
On Wed, May 6, 2020 at 1:42 PM Giles Coochey <[email protected]> wrote:
On 27/04/2020 17:14, Paul Bone wrote:
If I recall 54/8 or 45/8 or something similar, is assigned to the UK
Dept of Something, they have ultimately said that if such an address
appeared on the Internet then it would amount to a breach of national
security.
You might be thinking of 25/8, which is allocated to the MoD.
--
Giles Coochey