Data as of Nov 7, 2026

5.133.191.0/24

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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
5.133.191.0/24	256	UK-FRAME-20120705	Mainframe & Cybernetic Systems Limited (ORG-MCSL9-RIPE) · GB	ALLOCATED PA	Mar 3, 2026	frank@bec.uk
└ 5.133.191.48/28	16	Redblade	Redblade	ASSIGNED PA	Sep 7, 2012	frank@bec.uk via UK-FRAME-20120705
└ 5.133.191.136/29	8	kinect-net	Kinect Internet Limited	ASSIGNED PA	Feb 20, 2013	frank@bec.uk via UK-FRAME-20120705
└ 5.133.191.144/28	16	ASTS-NET	Applied Satellite Technology Systems Ltd	ASSIGNED PA	Aug 21, 2012	frank@bec.uk via UK-FRAME-20120705
└ 5.133.191.184/30	4	FOURSLCONSULTINGLIMITED-NET	4SL Consulting Limited	ASSIGNED PA	Aug 21, 2012	frank@bec.uk via UK-FRAME-20120705
└ 5.133.191.188/30	4	Litmus-NET	Litmus Blue Software	ASSIGNED PA	Aug 21, 2012	frank@bec.uk via UK-FRAME-20120705
└ 5.133.191.192/28	16	ART-NET	Applied Relational Technology	ASSIGNED PA	Aug 15, 2012	frank@bec.uk via UK-FRAME-20120705
└ 5.133.191.208/28	16	Twice2M-NET	Twice2much Ltd	ASSIGNED PA	Aug 14, 2012	frank@bec.uk via UK-FRAME-20120705
└ 5.133.191.224/27	32	Ocean-NET	Ocean Unified Communications Ltd	ASSIGNED PA	Aug 8, 2012	frank@bec.uk via UK-FRAME-20120705

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

Origin network