host.nrw - Christian Kranz
Data as of 2026-08-16
BGP inherited
Limited data: only 3 ranges found registered
under this exact name. This may not reflect the organisation's full internet footprint — many companies'
web and cloud infrastructure is hosted under a third-party provider's own registration rather than their own.
Cluster stats
| Netblocks | 3 · 256 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2a0d:5940:16::/48) |
| Cluster ID | 223854557 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 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 (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 45.140.56.0/24 | host.nrw - Christian Kranz | RIPE | ASSIGNED PA | ● high |
| 2a0d:5940:16::/48 | host.nrw - Christian Kranz | RIPE | ASSIGNED | ● high |
| 2a0d:5940:57::/48 | host.nrw - Christian Kranz | RIPE | ASSIGNED | ● high |
IPv6 ranges (2)
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(3 of 3)
Possible discrepancies (3)
These blocks are registered to host.nrw - Christian Kranz 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.
| 2a0d:5940:16::/48 /48 | authorized for AS58212 — dataforest GmbH |
| 2a0d:5940:57::/48 /48 | authorized for AS58212 — dataforest GmbH |
| 45.140.56.0/24 /24 | authorized for AS58212 — dataforest GmbH |
NIC Handles
DROPTOP-MEDIA
DUMY-RIPE
DUMY-RIPE
HCK69-RIPE
ORG-HCK2-RIPE
dataforest-MNT
de-droptop2-1-mnt
hostnrw-mnt