NET-DE-Grenke

Data as of 2026-09-13
BGP inherited
This organisation
Netblocks7
IPv6 1 prefix (largest 2001:920:18e7:1d00::/56)
Also registered under this name 13 netblocks across 5 separate records
Record ID240768804
RegistryRIPE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (7)

⬇ export CSV
CIDR Org name Registry Status Confidence
212.121.144.72/29 NET-DE-GRENKE-AG RIPE ASSIGNED PA ● low
213.61.174.216/29 NET-DE-Grenke-Ag RIPE ASSIGNED PA ● low
213.61.181.24/29 NET-DE-Grenke RIPE ASSIGNED PA ● low
217.110.180.176/29 Net-DE-Grenke RIPE ASSIGNED PA ● low
217.110.180.216/29 NET-DE-Grenke RIPE ASSIGNED PA ● low
217.111.15.104/29 NET-DE-Grenke RIPE ASSIGNED PA ● low
2001:920:18e7:1d00::/56 NET-DE-Grenke-Ag RIPE ASSIGNED ● low

IPv6 ranges (1)

Footprint over time

12 weekly snapshots · JSON
7 0 netblocks since 2026-07-05
2026-07-05 peak 7 2026-09-13

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (7 of 7)
Possible discrepancies (1)

These blocks are registered to NET-DE-Grenke 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.

2001:920:18e7:1d00::/56 /56 authorized for AS8220 — COLT Technology Services Group Limited

NIC Handles

DE-COLT-MNT DUMY-RIPE DUMY-RIPE