K&K Kommunikationssysteme GmbH

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks22 · 25,600 IPv4 addresses
IPv6 3 prefixes (largest 2a04:29c0::/29)
Cluster ID214459416
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
22 +1 netblocks since 2026-07-05
2026-07-05 peak 22 2026-07-26

IP Ranges (22)

⬇ export CSV
CIDR Org name Registry Status Confidence
77.90.128.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.129.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.130.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.132.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.133.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.134.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.136.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.137.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.139.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.140.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.143.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.144.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.146.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.147.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
213.209.138.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
213.209.141.0/24 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
2a04:29c2::/32 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
2a04:29c7::/32 K&K Kommunikationssysteme GmbH BGP ANNOUNCED ● high
77.90.128.0/18 K&K Kommunikationssysteme GmbH RIPE ALLOCATED PA ● low
185.230.12.0/22 K&K Kommunikationssysteme GmbH RIPE ALLOCATED PA ● low
213.209.128.0/19 K&K Kommunikationssysteme GmbH RIPE ALLOCATED PA ● low
2a04:29c0::/29 K&K Kommunikationssysteme GmbH RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (3)

CIDR
2a04:29c0::/29
2a04:29c2::/32
2a04:29c7::/32

Network trust

what's this?
RPKI hygiene: B how networks compare →
81.8% of checked blocks have valid RPKI ROA coverage (18 of 22)
Possible discrepancies (1)

These blocks are registered to K&K Kommunikationssysteme 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.

213.209.141.0/24 /24 authorized for AS208185 — Net Gate Telecom S.R.L.

NIC Handles

AS208185 AS42821 DUMY-RIPE DUMY-RIPE MNT-RAPIDNET MNT-RAPIDNET ORG-KKG3-RIPE RIPE-NCC-HM-MNT