FERNSEH-NIEDERDORF-LAN

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks9 · 280 IPv4 addresses
IPv6 4 prefixes (largest 2a00:1ca0:1500:e600::/56)
All fragments 13 blocks across 3 clusters
Cluster ID213487713
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
9 0 netblocks since 2026-07-05
2026-07-05 peak 9 2026-07-26

IP Ranges (9)

⬇ export CSV
CIDR Org name Registry Status Confidence
80.243.47.192/28 FERNSEH-NIEDERDORF-LAN RIPE ASSIGNED PA ● low
80.243.52.64/29 FERNSEH-NIEDERDORF-LAN RIPE ASSIGNED PA ● low
83.221.226.0/25 FERNSEH-NIEDERDORF-LAN RIPE ASSIGNED PA ● low
83.221.226.128/26 FERNSEH-NIEDERDORF-LAN RIPE ASSIGNED PA ● low
83.221.226.192/26 FERNSEH-NIEDERDORF-LAN RIPE ASSIGNED PA ● low
2a00:1ca0:1500:1b4::/64 FERNSEH-NIEDERDORF-LAN RIPE ASSIGNED ● low
2a00:1ca0:1500:e600::/56 FERNSEH-NIEDERDORF-LAN RIPE ASSIGNED ● low
2a00:1ca0:1600:101::/64 FERNSEH-NIEDERDORF-LAN RIPE ASSIGNED ● low
2a00:1ca0:1600:200::/56 FERNSEH-NIEDERDORF-LAN RIPE ASSIGNED ● low

IPv6 ranges (4)

CIDR
2a00:1ca0:1500:e600::/56
2a00:1ca0:1600:200::/56
2a00:1ca0:1500:1b4::/64
2a00:1ca0:1600:101::/64

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (9 of 9)
Possible discrepancies (2)

These blocks are registered to FERNSEH-NIEDERDORF-LAN 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.

2a00:1ca0:1500:e600::/56 /56 authorized for AS21413 — Envia Tel GmbH
2a00:1ca0:1600:200::/56 /56 authorized for AS21413 — Envia Tel GmbH

NIC Handles

DUMY-RIPE DUMY-RIPE ENVIA-TEL-MNT