Data as of Nov 12, 2026

89.28.187.0/24

No anonymizer space · no proxy exits in 30 days

Microsoft Corporation · space held by Willis Group Services Ltd

Announcement
this exact prefix
RPKI valid
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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
89.28.184.0/212,048UK-WILLIS-20060725Willis Group Services Ltd (ORG-WGSL1-RIPE) · GBALLOCATED PAJul 25, 2006noc.ripe@willis.com
└ 89.28.187.0/24256WillisTowersWatsonWillisTowersWatson (Reigate)ASSIGNED PAJul 26, 2012noc.ripe@willis.com
via UK-WILLIS-20060725

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

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Jul 2019
Current origin since
Oct 2025 · 1.1 yr
Origin networks
2
Last change of origin
Jun 2025
Recorded history

History

Handoffs
1