LONZA GROUP AG
Lonza AG
Data as of 2026-10-04
GLEIF verified
Complete entity footprint
2 linked clusters ·
67 netblocks ·
49,723 IPv4 addresses ·
15 IPv6 prefixes
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
549300EFW4H2TCZ71055
Registered name
LONZA GROUP AG
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 7 · 560 IPv4 addresses |
| Registered in | Switzerland (5) · Spain (1) · United Kingdom (1) · United States (1) |
| Also registered under this name | 17 netblocks across 5 separate records |
| Record ID | 246829179 |
| Registry | BGP |
| Owner jurisdiction | CH |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 549300EFW4H2TCZ71055 |
| Shared handles | clustered on 17 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 91.220.100.0/24 | Lonza AG | RIPE | ASSIGNED PI | ● high |
| 205.159.95.0/24 | LONZA, Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 62.2.158.112/29 | LONZA-NET | RIPE | ASSIGNED PA | ● low |
| 194.179.109.216/29 | LONZA | RIPE | ASSIGNED PA | ● low |
| 194.209.124.152/29 | LONZA-NET | RIPE | ASSIGNED PA | ● low |
| 194.230.101.144/28 | LONZA-NET | RIPE | ASSIGNED PA | ● low |
| 195.59.182.40/29 | LONZA | RIPE | ASSIGNED PA | ● low |
Footprint over time
15 weekly snapshots · JSON
8
+1 netblocks since 2026-07-05
2026-07-05
peak 8
2026-10-04
Corporate group (2 confirmed entities)
+143 additional unconfirmed candidates not shown — full list (JSON)- Axera SpA 87 blocks
Network trust
what's this?
RPKI hygiene: B
how networks compare →
87.5%
of checked blocks have valid RPKI ROA coverage
(7 of 8)
No discrepancies found among checked blocks.
NIC Handles
AS51817
AS6730-MNT
AS8404-MNT
CH-LONZA-MNT
CH-LONZA-MNT
CH-UNISOURCE-MNT
CH-UNISOURCE-MNT
DUMY-RIPE
DUMY-RIPE
LONZAI
MAINT-AS3352
ORG-LA300-RIPE
+5 more