Cornelsen Verlag GmbH

GLEIF verified
LEI
529900HNJCV776J9F316
Registered name
Cornelsen Verlag GmbH
Jurisdiction
DE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks8 · 1,035 IPv4 addresses
Cluster ID208833481
RegistryBGP
Owner jurisdictionDE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 529900HNJCV776J9F316
Shared handles clustered on 14 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
8 0 netblocks since 2026-07-05
2026-07-05 peak 8 2026-07-19

IP Ranges (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
194.39.189.0/24 Cornelsen Verlag GmbH RIPE ASSIGNED PI ● high
194.39.190.0/23 Cornelsen Verlag GmbH RIPE ASSIGNED PI ● high
194.39.190.0/24 Cornelsen Verlag GmbH BGP ANNOUNCED ● high
2a07:a247::/48 Cornelsen Verlag GmbH RIPE ASSIGNED ● high
91.25.80.232/29 CORNELSEN-VERLAG-BERLIN-NET RIPE ASSIGNED PA ● low
91.25.92.96/29 CORNELSEN-VERLAG-BERLIN-NET RIPE ASSIGNED PA ● low
2003:ca:d81c::/48 CORNELSEN-VERLAG-BERLIN-NET RIPE ASSIGNED ● low
2003:ca:d81d::/48 CORNELSEN-VERLAG-BERLIN-NET RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
62.5% of checked blocks have valid RPKI ROA coverage (5 of 8)
Possible discrepancies (3)

These blocks are registered to Cornelsen Verlag GmbH but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a07:a247::/48 /48 authorized for AS6786 — Cronon GmbH
2003:ca:d81c::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2003:ca:d81d::/48 /48 authorized for AS3320 — Deutsche Telekom AG

NIC Handles

AS34009 CRONON-MNT DE-COLT-MNT DE-COLT-MNT DE-FCCS-MNT DE-FCCS-MNT DE-TSBS-A-MNT DE-TSBS-R-MNT DTAG-NIC DUMY-RIPE DUMY-RIPE ORG-CVG4-RIPE +2 more