HOLON GmbH
Holon SAS
Data as of 2026-08-30
GLEIF verified
Complete entity footprint
4 linked clusters ·
41 netblocks ·
11,436 IPv4 addresses ·
12 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
529900RMR0CTSB8IJ393
Registered name
HOLON GmbH
Jurisdiction
Cluster stats
| Netblocks | 4 · 5,120 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a00:ba40::/32) |
| Cluster ID | 232828091 |
| Registry | BGP |
| Owner jurisdiction | DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 529900RMR0CTSB8IJ393 |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
10 weekly snapshots · JSON
7
0 netblocks since 2026-07-05
2026-07-05
peak 7
2026-08-30
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 37.157.128.0/21 | Holon SAS | BGP | ANNOUNCED | ● high |
| 178.250.104.0/21 | Holon SAS | BGP | ANNOUNCED | ● high |
| 185.225.184.0/22 | Holon SAS | BGP | ANNOUNCED | ● high |
| 2a00:ba40::/32 | Holon SAS | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2a00:ba40::/32 |
Corporate group (4 confirmed entities)
+8 additional unconfirmed candidates not shown — full list (JSON)- BENTELER Business Services GmbH 26 blocks
- BENTELER 7 blocks
- Benteler Automotive Skultuna AB 4 blocks
NIC Handles
AS57943
DUMY-RIPE
DUMY-RIPE
IZZY-MNT
IZZY-MNT
ORG-OS303-RIPE
RIPE-NCC-HM-MNT
mnt-fr-odena-1