Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS42821

Announcement observedRIPE NCC

K&K Kommunikationssysteme GmbH · RAPIDNET-DE

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active11/1/2026, 06:05:55Snapshot expired

View network topology RDAP registration

ASN: AS42821
Registration country: Germany
Name: K&K Kommunikationssysteme GmbH
Abbreviation: RAPIDNET-DE
Registration date: 4/23/2007, 09:11:13
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
185.230.12.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/15/2026, 00:00:00	✓	×	Historical record
213.209.134.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/26/2026, 16:00:00	✓	×	Currently valid
213.209.138.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
213.209.144.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/15/2026, 00:00:00	✓	×	Historical record
77.90.128.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
77.90.129.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
77.90.130.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
77.90.132.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
77.90.133.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
77.90.134.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
77.90.136.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
77.90.137.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
77.90.140.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
77.90.143.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
77.90.144.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
77.90.145.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/13/2026, 08:00:00	10/15/2026, 00:00:00	✓	×	Historical record
77.90.146.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
77.90.147.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
77.90.153.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/13/2026, 08:00:00	10/15/2026, 00:00:00	✓	×	Historical record
77.90.184.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/13/2026, 08:00:00	10/15/2026, 00:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: K&K Kommunikationssysteme GmbH
RIR: RIPE NCC
Registration country: Germany
Registration date: 4/23/2007, 09:11:13
Abuse contact: abuse@rapidnet.de

Snapshot trend

11/1/2026, 06:05:5515 v42 v62 Upstream · 0 Uncertain

10/21/2026, 12:51:5520 v42 v62 Upstream · 0 Uncertain

10/3/2026, 16:06:1417 v42 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn · cha-la-bgp-observations