WILLIS GROUP SERVICES LIMITED
Willis Group Services Ltd
GLEIF verified
Complete entity footprint
2 linked clusters ·
14 netblocks ·
71,234 IPv4 addresses
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
5493005V7OF0N7ZHU470
Registered name
WILLIS GROUP SERVICES LIMITED
Jurisdiction
Ultimate parent
WILLIS TOWERS WATSON PUBLIC LIMITED COMPANY
549300WHC56FF48KL350
Cluster stats
| Netblocks | 10 · 5,630 IPv4 addresses |
| Cluster ID | 209227167 |
| Registry | BGP |
| Owner jurisdiction | GB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 5493005V7OF0N7ZHU470 |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
10
0 netblocks since 2026-07-05
2026-07-05
peak 10
2026-07-19
IP Ranges (10)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 89.28.185.0/24 | Willis Group Services Ltd | BGP | ANNOUNCED | ● high |
| 89.28.186.0/24 | Willis Group Services Ltd | BGP | ANNOUNCED | ● high |
| 89.28.188.0/22 | Willis Group Services Ltd | BGP | ANNOUNCED | ● high |
| 185.219.104.0/24 | Willis Group Services Ltd | BGP | ANNOUNCED | ● high |
| 185.219.105.0/24 | Willis Group Services Ltd | BGP | ANNOUNCED | ● high |
| 185.219.106.0/24 | Willis Group Services Ltd | BGP | ANNOUNCED | ● high |
| 185.219.107.0/24 | Willis Group Services Ltd | BGP | ANNOUNCED | ● high |
| 62.255.137.216/29 | WILLIS-GROUP-SERVICES-LIMITED | RIPE | ASSIGNED PA | ● low |
| 89.28.184.0/21 | Willis Group Services Ltd | RIPE | ALLOCATED PA | ● low |
| 185.219.104.0/22 | Willis Group Services Ltd | RIPE | ALLOCATED PA | ● low |
Corporate group (2 confirmed entities)
+1 additional unconfirmed candidate not shown — full list (JSON)- Willis Towers Watson 4 blocks
Network trust
what's this?
RPKI hygiene: F
how networks compare →
10.0%
of checked blocks have valid RPKI ROA coverage
(1 of 10)
No discrepancies found among checked blocks.
NIC Handles
AS199675
AS41596
AS5089-MNT
DUMY-RIPE
DUMY-RIPE
MNT-WILLIS
MNT-WILLIS
ORG-WGSL1-RIPE
RIPE-NCC-HM-MNT