Kommunales Rechenzentrum Niederrhein

BGP inherited
Cluster stats
Netblocks16 · 15,381 IPv4 addresses
All fragments 18 blocks across 2 clusters
Cluster ID208786750
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
16 0 netblocks since 2026-07-05
2026-07-05 peak 16 2026-07-19

IP Ranges (16)

⬇ export CSV
CIDR Org name Registry Status Confidence
194.77.236.0/23 Kommunales Rechenzentrum Niederrhein BGP ANNOUNCED ● high
194.77.236.0/22 Kommunales Rechenzentrum Niederrhein BGP ANNOUNCED ● high
194.77.236.0 – 194.77.255.255 Kommunales Rechenzentrum Niederrhein RIPE ASSIGNED PI ● high
194.77.238.0/23 Kommunales Rechenzentrum Niederrhein BGP ANNOUNCED ● high
194.77.240.0/20 Kommunales Rechenzentrum Niederrhein BGP ANNOUNCED ● high
194.77.240.0/21 Kommunales Rechenzentrum Niederrhein BGP ANNOUNCED ● high
194.77.248.0/21 Kommunales Rechenzentrum Niederrhein BGP ANNOUNCED ● high
2001:67c:17d4::/48 Kommunales Rechenzentrum Niederrhein RIPE ASSIGNED PI ● high
91.25.158.104/29 KOMMUNALES-RECHENZENTRUM-NIEDERRHEIN-KEMPEN-NET RIPE ASSIGNED PA ● low
91.25.159.168/29 KOMMUNALES-RECHENZENTRUM-NIEDERRHEIN-HUENXE-NET RIPE ASSIGNED PA ● low
91.25.159.200/29 KOMMUNALES-RECHENZENTRUM-NIEDERRHEIN-KREFELD-NET RIPE ASSIGNED PA ● low
217.239.225.192/29 KOMMUNALES-RECHENZENTRUM-KAMP-LINTFORT-NET RIPE ASSIGNED PA ● low
2003:ca:301e::/48 KOMMUNALES-RECHENZENTRUM-NIEDERRHEIN-HUENXE-NET RIPE ASSIGNED ● low
2003:dd:d82b::/48 KOMMUNALES-RECHENZENTRUM-NIEDERRHEIN-KREFELD-NET RIPE ASSIGNED ● low
2003:ea:4829::/48 KOMMUNALES-RECHENZENTRUM-NIEDERRHEIN-KEMPEN-NET RIPE ASSIGNED ● low
2003:fa:c81c::/48 KOMMUNALES-RECHENZENTRUM-KAMP-LINTFORT-NET RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
50.0% of checked blocks have valid RPKI ROA coverage (8 of 16)
Possible discrepancies (4)

These blocks are registered to Kommunales Rechenzentrum Niederrhein 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.

2003:fa:c81c::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2003:ca:301e::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2003:dd:d82b::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2003:ea:4829::/48 /48 authorized for AS3320 — Deutsche Telekom AG

NIC Handles

AS48049 DTAG-NIC DUMY-RIPE DUMY-RIPE KRZN-MNT KRZN-MNT ORG-KRZN1-RIPE RIPE-NCC-END-MNT