Sebastian Fohler
BGP inherited
Cluster stats
Netblocks8
All fragments 251 blocks across 76 clusters
Cluster ID191719194
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 7 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
8 0 netblocks since 2026-07-05
2026-07-05 peak 8 2026-07-06

IP Ranges (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
2.56.132.0/22 Sebastian Fohler RIPE ALLOCATED PA ● low
185.5.184.0/22 Sebastian Fohler RIPE ALLOCATED PA ● low
185.5.184.0/23 Sebastian Fohler RIPE ASSIGNED PA ● low
185.5.186.0/23 Sebastian Fohler RIPE ASSIGNED PA ● low
2a02:7c40::/33 Sebastian Fohler RIPE AGGREGATED-BY-LIR ● low
2a02:7c40::/32 Sebastian Fohler RIPE ALLOCATED-BY-RIR ● low
2a02:7c40:8000::/33 Sebastian Fohler RIPE AGGREGATED-BY-LIR ● low
2a0e:a700::/29 Sebastian Fohler RIPE ALLOCATED-BY-RIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
50.0% of checked blocks have valid RPKI ROA coverage (4 of 8)
Possible discrepancies (4)

These blocks are registered to Sebastian Fohler 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.

2a02:7c40::/33 /33 authorized for AS5539 — SpaceNet AG
2a02:7c40:8000::/33 /33 authorized for AS8758 — Iway AG
185.5.186.0/23 /23 authorized for AS8758 — Iway AG
185.5.184.0/23 /23 authorized for AS5539 — SpaceNet AG

NIC Handles

DUMY-RIPE DUMY-RIPE ORG-SF133-RIPE ORG-SF45-RIPE RIPE-NCC-HM-MNT SF30689-MNT de-far-galaxy-1-mnt