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Data as of Nov 7, 2026

77.73.11.0/24

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
77.73.11.0/24256UK-FRAME-20070301Mainframe & Cybernetic Systems Limited (ORG-MCSL9-RIPE) · GBALLOCATED PAMar 3, 2026frank@bec.uk
└ 77.73.11.0/2816SlaterGordon-2Slater Gordon 2nd RangeASSIGNED PAOct 21, 2015frank@bec.uk
via UK-FRAME-20070301
└ 77.73.11.16/2816PRC_ARCHITECTS_NETPRC Architects AssignmentASSIGNED PAMar 13, 2008frank@bec.uk
via UK-FRAME-20070301
└ 77.73.11.32/2816EBREX_NETEbrex UK LtdASSIGNED PAJun 20, 2008frank@bec.uk
via UK-FRAME-20070301
└ 77.73.11.48/2816WISEMANLEE_NETWiseman Lee AssignmentASSIGNED PADec 15, 2008frank@bec.uk
via UK-FRAME-20070301
└ 77.73.11.64/2816KUJU_ENT_NET1KUJU ENT Assignment 1ASSIGNED PAJun 17, 2008frank@bec.uk
via UK-FRAME-20070301
└ 77.73.11.80/2816KUJU_ENT_NET2KUJU ENT Assignment 2ASSIGNED PAAug 4, 2008frank@bec.uk
via UK-FRAME-20070301
└ 77.73.11.128/298WalkerFreight_NET_1Walker Freight Assignment 1ASSIGNED PAJun 20, 2008frank@bec.uk
via UK-FRAME-20070301
└ 77.73.11.136/298WalkerFreight_NET_2Walker Freight Assignment 2ASSIGNED PAJun 20, 2008frank@bec.uk
via UK-FRAME-20070301
└ 77.73.11.160/298SECCOMBE_NET2Seccombe Bros Assignment 2ASSIGNED PAJan 21, 2010frank@bec.uk
via UK-FRAME-20070301
└ 77.73.11.168/298DBDA_NETDBDA AssignmentASSIGNED PAFeb 26, 2009frank@bec.uk
via UK-FRAME-20070301
└ 77.73.11.176/298PRODRIVE_NET_2Prodrive Motorsports Assignment WarwickASSIGNED PAJul 14, 2011frank@bec.uk
via UK-FRAME-20070301
└ 77.73.11.192/2732Malcolm_HollisMalcolm HollisASSIGNED PAJun 19, 2013frank@bec.uk
via UK-FRAME-20070301
└ 77.73.11.224/2816Fender_MusicFender Musical Instruments LtdASSIGNED PAAug 15, 2011frank@bec.uk
via UK-FRAME-20070301

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