K&K Kommunikationssysteme GmbH
Data as of 2026-09-20
BGP inherited
This organisation
| Netblocks | 29 · 25,600 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2a04:29c0::/29) |
| Record ID | 241841842 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 13 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (29)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 77.90.128.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.129.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.130.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.132.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.133.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.134.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.136.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.137.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.139.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.140.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.143.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.144.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.146.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.147.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.168.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 77.90.177.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 213.209.135.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 213.209.136.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 213.209.138.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 213.209.141.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 213.209.145.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 213.209.156.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 213.209.157.0/24 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 2a04:29c2::/32 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 2a04:29c7::/32 | K&K Kommunikationssysteme GmbH | BGP | ANNOUNCED | ● medium |
| 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)
Footprint over time
13 weekly snapshots · JSON
29
+8 netblocks since 2026-07-05
2026-07-05
peak 30
2026-09-20
Other domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: B
how networks compare →
86.2%
of checked blocks have valid RPKI ROA coverage
(25 of 29)
Possible discrepancies (8)
These blocks are registered to K&K Kommunikationssysteme GmbH but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 77.90.168.0/24 /24 | authorized for AS205960 — HDTIDC LIMITED |
| 77.90.177.0/24 /24 | authorized for AS208185 — Net Gate Telecom S.R.L. |
| 213.209.135.0/24 /24 | authorized for AS205960 — HDTIDC LIMITED |
| 213.209.136.0/24 /24 | authorized for AS3320 — Deutsche Telekom AG |
| 213.209.141.0/24 /24 | authorized for AS208185 — Net Gate Telecom S.R.L. |
| 213.209.145.0/24 /24 | authorized for AS208185 — Net Gate Telecom S.R.L. |
| 213.209.156.0/24 /24 | authorized for AS208185 — Net Gate Telecom S.R.L. |
| 213.209.157.0/24 /24 | authorized for AS208185 — Net Gate Telecom S.R.L. |
NIC Handles
AS205960
AS208185
AS3320
AS42821
DUMY-RIPE
DUMY-RIPE
MNT-RAPIDNET
MNT-RAPIDNET
MNT-SERVERSGET
ORG-KKG3-RIPE
RIPE-NCC-HM-MNT
ipmen
+1 more