GERLACH SYSTEMS
Data as of 2026-10-11
BGP inherited
This organisation
| Netblocks | 16 · 880 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2a12:3e80:4::/48) |
| Record ID | 247830494 |
| Registry | RIPE |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 11 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (16)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 37.114.38.0/25 | GERLACH SYSTEMS | RIPE | ASSIGNED PA | ● high |
| 37.114.38.128/27 | GERLACH SYSTEMS | RIPE | ASSIGNED PA | ● high |
| 37.114.38.160/29 | GERLACH SYSTEMS | RIPE | ASSIGNED PA | ● high |
| 37.114.38.168/29 | GERLACH SYSTEMS | RIPE | ASSIGNED PA | ● high |
| 37.114.38.176/28 | GERLACH SYSTEMS | RIPE | ASSIGNED PA | ● high |
| 37.114.38.192/26 | GERLACH SYSTEMS | RIPE | ASSIGNED PA | ● high |
| 37.114.57.64/26 | GERLACH SYSTEMS | RIPE | ASSIGNED PA | ● high |
| 185.14.93.0/25 | GERLACH SYSTEMS | RIPE | ASSIGNED PA | ● high |
| 185.14.93.128/27 | GERLACH SYSTEMS | RIPE | ASSIGNED PA | ● high |
| 185.14.93.160/29 | GERLACH SYSTEMS | RIPE | ASSIGNED PA | ● high |
| 185.14.93.168/29 | GERLACH SYSTEMS | RIPE | ASSIGNED PA | ● high |
| 185.14.93.192/26 | GERLACH SYSTEMS | RIPE | ASSIGNED PA | ● high |
| 2a12:3e80:4::/48 | GERLACH SYSTEMS | RIPE | ASSIGNED | ● high |
| 2a12:3e80:800::/48 | GERLACH SYSTEMS | RIPE | ASSIGNED | ● high |
| 37.114.53.0/24 | HosterAPI | RIPE | ASSIGNED PA | ● medium |
| 37.114.57.0/26 | HosterAPI | RIPE | ASSIGNED PA | ● medium |
IPv6 ranges (2)
Footprint over time
16 weekly snapshots · JSON
16
-1 netblocks since 2026-07-05
2026-07-05
peak 17
2026-10-11
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(16 of 16)
Possible discrepancies (3)
These blocks are registered to GERLACH SYSTEMS but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a12:3e80:800::/48 /48 | authorized for AS48314 — Michael Sebastian Schinzel trading as IP-Projects GmbH & Co. KG |
| 2a12:3e80:4::/48 /48 | authorized for AS200482 — nexserv GmbH |
| 37.114.53.0/24 /24 | authorized for AS44486 — Oliver Horscht trading as "SYNLINQ" |
NIC Handles
AA43529-RIPE
DUMY-RIPE
DUMY-RIPE
FA9923-RIPE
HN2699-RIPE
MNT-INTERCOLO
NEXSERV-MNT
ORG-GS476-RIPE
SynHostDE-MNT
THWMD-MNT
lir-de-nexserv-1-MNT