Carl Fabian Luepke

Data as of 2026-09-27
BGP inherited
This organisation
Netblocks13 · 1,024 IPv4 addresses
IPv6 7 prefixes (largest 2a0f:5380::/29)
Record ID245741855
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 8 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 (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
45.158.40.0/22 Carl Fabian Luepke BGP ANNOUNCED ● high
45.158.40.0/24 Carl Fabian Luepke BGP ANNOUNCED ● high
45.158.41.0/24 Carl Fabian Luepke BGP ANNOUNCED ● high
45.158.42.0/24 Carl Fabian Luepke BGP ANNOUNCED ● high
45.158.42.0/23 Carl Fabian Luepke BGP ANNOUNCED ● high
45.158.43.0/24 Carl Fabian Luepke BGP ANNOUNCED ● high
2a0f:5381::/32 Carl Fabian Luepke BGP ANNOUNCED ● high
2a0f:5381:1337::/48 Carl Fabian Luepke BGP ANNOUNCED ● high
2a0f:5381:acab::/48 Carl Fabian Luepke BGP ANNOUNCED ● high
2a0f:5382:acab::/48 Carl Fabian Luepke BGP ANNOUNCED ● high
2a0f:5383:1::/48 Carl Fabian Luepke BGP ANNOUNCED ● high
2a0f:5384:acab::/48 Carl Fabian Luepke BGP ANNOUNCED ● high
2a0f:5380::/29 Carl Fabian Luepke RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (7)

CIDR
2a0f:5380::/29
2a0f:5381::/32
2a0f:5381:1337::/48
2a0f:5381:acab::/48
2a0f:5382:acab::/48
2a0f:5383:1::/48
2a0f:5384:acab::/48

Footprint over time

14 weekly snapshots · JSON
14 +2 netblocks since 2026-07-05
2026-07-05 peak 14 2026-09-27

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (14 of 14)
Possible discrepancies (7)

These blocks are registered to Carl Fabian Luepke 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.

45.158.40.0/22 /22 authorized for AS49225 — Chaos Computer Club Berlin e.V.
45.158.40.0/22 /22 authorized for AS49225 — Chaos Computer Club Berlin e.V.
45.158.42.0/23 /23 authorized for AS49225 — Chaos Computer Club Berlin e.V.
45.158.40.0/24 /24 authorized for AS49225 — Chaos Computer Club Berlin e.V.
45.158.42.0/24 /24 authorized for AS49225 — Chaos Computer Club Berlin e.V.
45.158.43.0/24 /24 authorized for AS49225 — Chaos Computer Club Berlin e.V.
45.158.41.0/24 /24 authorized for AS49225 — Chaos Computer Club Berlin e.V.

NIC Handles

AS208135 DUMY-RIPE DUMY-RIPE MNT-FLUEPKE ORG-CFL6-RIPE RIPE-NCC-HM-MNT mnt-de-fluepke-1 mnt-de-fluepke-1