MILLIPORE
Millipore Corp.
GLEIF verified
LEI
529900U66OBYQZG51E83
Registered name
MILLIPORE
Jurisdiction
Ultimate parent
E. Merck KG
529900YCCXD7AIHXU523
Cluster stats
| Netblocks | 6 |
| Cluster ID | 191819843 |
| Registry | APNIC |
| Owner jurisdiction | FR |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 529900U66OBYQZG51E83 |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-07-06
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 157.93.0.0/16 | Millipore Corp. | BGP | ANNOUNCED | ● high |
| 2001:4cf8:2000::/48 | Millipore Corp. | BGP | ANNOUNCED | ● high |
| 61.17.58.128/32 | Millipore-India_BGL | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 80.18.41.160/29 | MILLIPORE | RIPE | ASSIGNED PA | ● low |
| 194.151.76.240/28 | MILLIPORE | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:c393::/48 | MILLIPORE-UK | RIPE | AGGREGATED-BY-LIR | ● low |
Corporate group (3 confirmed entities)
- Sigma Aldrich Corporation 14 blocks
- Merck-Serono-Middle-East-FZ-LLC 2 blocks
Network trust
what's this?
RPKI hygiene: C
how networks compare →
50.0%
of checked blocks have valid RPKI ROA coverage
(3 of 6)
Possible discrepancies (1)
These blocks are registered to Millipore Corp. but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a00:2381:c393::/48 /48 | authorized for AS2856 — British Telecommunications PLC |
NIC Handles
AS286-MNT
AS4597
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
INTERB-MNT
MAINT-VSNL-AP
TC651-AP
TC651-AP