Data as of Nov 3, 2026

5.28.56.0/21

No anonymizer space · no proxy exits in 30 days

Iomart Managed Services 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
5.28.56.0/21	2,048	UK-RAPIDSWITCH-20120508	Iomart Managed Services Limited (ORG-RL20-RIPE) · GB	ALLOCATED PA	Apr 15, 2021	[email protected]
└ 5.28.56.0/24	256	SWORDFISH-SERVICES	Swordfish Hosting services	ASSIGNED PA	Feb 10, 2015	[email protected] via UK-RAPIDSWITCH-20120508
└ 5.28.57.64/26	64	SF-BIGV1-YRK-ADMIN	unknown	ASSIGNED PA	Feb 10, 2015	[email protected] via UK-RAPIDSWITCH-20120508
└ 5.28.57.128/27	32	BYTEMARK-INTERNAL	unknown	ASSIGNED PA	Feb 23, 2015	[email protected] via UK-RAPIDSWITCH-20120508
└ 5.28.57.160/28	16	SF-BIGV-DEV-ADMIN	York BigV development admin VLAN	ASSIGNED PA	Nov 27, 2018	[email protected] via UK-RAPIDSWITCH-20120508
└ 5.28.57.176/28	16	SF-BIGV-DEV-BRAINWEBAPI	York BigV development brain web API VLAN	ASSIGNED PA	Nov 27, 2018	[email protected] via UK-RAPIDSWITCH-20120508
└ 5.28.57.192/26	64	SF-BIGV-DEV-ACCESS	York BigV development access VLAN	ASSIGNED PA	Nov 27, 2018	[email protected] via UK-RAPIDSWITCH-20120508
└ 5.28.58.0/24	256	SWORDFISH-SERVICES	Swordfish Hosting services	ASSIGNED PA	Feb 10, 2015	[email protected] via UK-RAPIDSWITCH-20120508
└ 5.28.60.0/23	512	BIGV1-YRK-VMMGMT1	unknown	ASSIGNED PA	Feb 10, 2015	[email protected] via UK-RAPIDSWITCH-20120508
└ 5.28.62.0/24	256	BIGV1-YRK-VMACC1	unknown	ASSIGNED PA	Feb 10, 2015	[email protected] via UK-RAPIDSWITCH-20120508
└ 5.28.63.0/24	256	SF-BIGV1-YRK-EXTRA1	unknown	ASSIGNED PA	Jun 23, 2015	[email protected] via UK-RAPIDSWITCH-20120508

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