Data as of Nov 3, 2026

5.187.28.0/24

No anonymizer space · no proxy exits in 30 days

firstcolo GmbH · space held by Iomart Group Plc

Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
5.187.16.0/20
since May 2017
AS20860HostingIomart Group Plc

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
5.187.16.0/204,096UK-IOMART-20120809Iomart Group Plc (ORG-ISTI1-RIPE) · GBALLOCATED PAApr 14, 2021[email protected]
└ 5.187.28.0/24256AT-FIRSTCOLOunknownASSIGNED PAOct 26, 2018[email protected]
via UK-IOMART-20120809

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

IPv4 market

Holder

Organization
Iomart Group Plc
Handle
ORG-ISTI1-RIPE
Range
5.187.16.0/20
Registration type
ALLOCATED PA
Record created
Apr 14, 2021
Origin network

AS203833

DE
Name
firstcolo GmbH
Type
Hosting
Registered
Oct 22, 2015
Domain
first-colo.net
Website
first-colo.net
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed