Data as of Nov 4, 2026

78.40.56.0/23

No anonymizer space · no proxy exits in 30 days

Mainframe & Cybernetic Systems Limited

Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
78.40.56.0/23512UK-FRAME-20070711Mainframe & Cybernetic Systems Limited (ORG-MCSL9-RIPE) · GBALLOCATED PAMar 3, 2026frank@bec.uk
└ 78.40.56.0/25128SELECTION-NET1Managed IT Services & Cloud Hosting ProviderASSIGNED PAFeb 3, 2012frank@bec.uk
via UK-FRAME-20070711

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Origin network

AS25577

GB
Name
Mainframe & Cybernetic Systems Limited
Type
Hosting
Registered
Jan 15, 2003
Domain
bec.uk
Website
bec.uk
Spamhaus ASN-DROP
not listed