SPRINGER-VERLAG GMBH
Springer-Verlag-GmbH
Data as of 2026-07-26
GLEIF verified
Complete entity footprint
3 linked clusters ·
15 netblocks ·
3,608 IPv4 addresses ·
3 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
549300GJKH0HSIQ6L549
Registered name
SPRINGER-VERLAG GMBH
Jurisdiction
Ultimate parent
Springer Nature AG & Co. KGaA
549300UMNC43HQB3JA96
Cluster stats
| Netblocks | 1 |
| Cluster ID | 215224297 |
| Registry | RIPE |
| Owner jurisdiction | AT |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 549300GJKH0HSIQ6L549 |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (1)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 81.223.91.96/28 | Springer-Verlag-GmbH | RIPE | ASSIGNED PA | ● medium |
Corporate group (3 confirmed entities)
- Springer Nature B.V. 15 blocks
- Macmillan Publishers Inc 3 blocks
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(1 of 1)
No discrepancies found among checked blocks.
NIC Handles
DUMY-RIPE
DUMY-RIPE
PRIO-MNT