AS42821 K&K Kommunikationssysteme GmbH 🇩🇪 DE
Announcing 19 prefixes, seen at the RIS collectors.
IPv4 prefixes
17
4,352 (17 × /24)
IPv6 prefixes
2
2 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS42821
- Name
- K&K Kommunikationssysteme GmbH
- Organisation
- K&K Kommunikationssysteme GmbH
- Country
- 🇩🇪 DE
- RIR
- RIPENCC
- Allocated
- 2007-04-23
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
19 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 77.90.128.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 77.90.129.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 77.90.130.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 77.90.132.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 77.90.133.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 77.90.134.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 77.90.136.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 77.90.137.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 77.90.140.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 77.90.143.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 77.90.144.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 77.90.146.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 77.90.147.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 185.230.12.0/24 v4 | RPKI valid | 42 | 3492742821 | 2026-09-18 |
| 213.209.134.0/24 v4 | RPKI valid | 42 | 3492742821 | 2026-09-18 |
| 213.209.138.0/24 v4 | RPKI valid | 41 | 34549876742821 | 2026-09-18 |
| 213.209.144.0/24 v4 | RPKI valid | 42 | 3492742821 | 2026-09-18 |
| 2a04:29c2::/32 v6 | RPKI valid | 33 | 34549876742821 | 2026-09-18 |
| 2a04:29c7::/32 v6 | RPKI valid | 33 | 34549876742821 | 2026-09-18 |