Zentrale Stelle fuer Informationstechnik im Sicherheitsbereich

Data as of 2026-08-16
BGP inherited
Cluster stats
Netblocks4
IPv6 4 prefixes (largest 2a02:11f8:190::/48)
All fragments 7 blocks across 3 clusters
Cluster ID224360297
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 4 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 (4)

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CIDR Org name Registry Status Confidence
2a02:11f8:190::/48 Zentrale Stelle fuer Informationstechnik im Sicherheitsbereich RIPE ASSIGNED ● high
2a02:11f8:191::/48 Zentrale Stelle fuer Informationstechnik im Sicherheitsbereich RIPE ASSIGNED ● high
2a02:11f8:192::/48 Zentrale Stelle fuer Informationstechnik im Sicherheitsbereich RIPE ASSIGNED ● high
2a02:11f8:193::/48 Zentrale Stelle fuer Informationstechnik im Sicherheitsbereich RIPE ASSIGNED ● high

IPv6 ranges (4)

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (4 of 4)
Possible discrepancies (2)

These blocks are registered to Zentrale Stelle fuer Informationstechnik im Sicherheitsbereich 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.

2a02:11f8:192::/48 /48 authorized for AS8220 — COLT Technology Services Group Limited
2a02:11f8:193::/48 /48 authorized for AS8220 — COLT Technology Services Group Limited
Routed via provider/NREN (2)

These blocks are cryptographically authorized for this organisation's national research & education network or transit provider — expected topology for an institution that routes through it, not a discrepancy.

2a02:11f8:190::/48 /48 routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.)
2a02:11f8:191::/48 /48 routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.)

NIC Handles

DE-GOV-BDBOS-MNT DUMY-RIPE DUMY-RIPE ORG-ZSFI1-RIPE