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Data as of Nov 5, 2026

178.251.239.0/24

No anonymizer space · no proxy exits in 30 days

Mainframe & Cybernetic Systems Limited

Announcement
this exact prefix
No RPKI
Announced by
AS25577
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
178.251.239.0/24256UK-FRAME-20100630Mainframe & Cybernetic Systems Limited (ORG-MCSL9-RIPE) · GBALLOCATED PAMar 3, 2026frank@bec.uk
└ 178.251.239.56/298PDP-900354PDP Courier Services LtdASSIGNED PAMar 21, 2013frank@bec.uk
via UK-FRAME-20100630
└ 178.251.239.64/2816OIL-900349The Oil and Pipelines AgencyASSIGNED PAMar 21, 2013frank@bec.uk
via UK-FRAME-20100630
└ 178.251.239.80/2816MAT-900347Money Advice TrustASSIGNED PAMar 21, 2013frank@bec.uk
via UK-FRAME-20100630
└ 178.251.239.128/2816ALLSOPL-900355Allsop LLPASSIGNED PAJan 24, 2013frank@bec.uk
via UK-FRAME-20100630
└ 178.251.239.144/2816LETTERPART-900149Letterpart LtdASSIGNED PAMar 21, 2013frank@bec.uk
via UK-FRAME-20100630

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

AnnouncementRouting historyRPKI & IRRWhois & abuse
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