FS IT-Systeme GmbH

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks10 · 770 IPv4 addresses
IPv6 5 prefixes (largest 2a12:66c0::/29)
Registered in Germany (6) · Netherlands (1)
All fragments 16 blocks across 2 clusters
Cluster ID214444887
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 12 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
12 0 netblocks since 2026-07-05
2026-07-05 peak 12 2026-07-26

IP Ranges (10)

⬇ export CSV
CIDR Org name Registry Status Confidence
5.10.212.0/24 FS IT-Systeme GmbH BGP ANNOUNCED ● high
45.130.46.0/24 FS IT-Systeme GmbH BGP ANNOUNCED ● high
185.1.167.127/32 FS IT-Systeme PEERINGDB ASSIGNED ● high
193.239.117.144/32 FS IT-Systeme PEERINGDB ASSIGNED ● high
2001:7f8:13::a520:8976:1/128 FS IT-Systeme PEERINGDB ASSIGNED ● high
2001:7f8:f2:e1:0:20:8976:1/128 FS IT-Systeme PEERINGDB ASSIGNED ● high
2a12:66c0::/32 FS IT-Systeme GmbH BGP ANNOUNCED ● high
2a12:66c7::/48 FS IT-Systeme GmbH BGP ANNOUNCED ● high
194.147.211.0/24 FS IT-Systeme GmbH RIPE ALLOCATED PA ● low
2a12:66c0::/29 FS IT-Systeme GmbH RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (5)

Network trust

what's this?
RPKI hygiene: B how networks compare →
91.7% of checked blocks have valid RPKI ROA coverage (11 of 12)
Possible discrepancies (1)

These blocks are registered to FS IT-Systeme GmbH 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.

194.147.211.0/24 /24 authorized for AS213925 — Rabb IT Solutions GmbH

NIC Handles

ACRO45564-RIPE AS208976 AS208976 DUMY-RIPE DUMY-RIPE FS-ITSYSTEME-MNT FS-ITSYSTEME-MNT ORG-FIU3-RIPE RIPE-NCC-HM-MNT RISG2-RIPE interlir-mnt interlir-mnt