Data as of Nov 13, 2026

31.3.221.0/24

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
31.3.221.0/24	256	UK-FRAME-20110408	Mainframe & Cybernetic Systems Limited (ORG-MCSL9-RIPE) · GB	ALLOCATED PA	Mar 3, 2026	frank@bec.uk
└ 31.3.221.80/28	16	FSI	FSI (FM) Solutions / Elipsis IT	ASSIGNED PA	Nov 8, 2016	frank@bec.uk via UK-FRAME-20110408
└ 31.3.221.192/28	16	DAW-NET	Digital Air Wireless WIFIGEAR	ASSIGNED PA	Mar 9, 2017	frank@bec.uk via UK-FRAME-20110408
└ 31.3.221.224/29	8	BIC_BHLIVE-NET	BIC / BH Live	ASSIGNED PA	Mar 29, 2017	frank@bec.uk via UK-FRAME-20110408

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

Routing timeline

Summary