AS203420 Bjoern Maenken 🇩🇪 DE
Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
1
256 (1 × /24)
IPv6 prefixes
3
1 × /32
Upstreams
3
transit providers observed
Peers
5
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS203420
- Name
- Bjoern Maenken
- Organisation
- Maenken Systems AS203420
- Country
- 🇩🇪 DE
- RIR
- RIPENCC
- Allocated
- 2016-01-21
- Scope
- Not Disclosed
- Peering policy
- Selective
- IRR as-set
- RIPE::AS-MSYS-IX
- Website
- https://maenken.systems
- PeeringDB
- net/30129
- Facilities
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
4 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 194.50.176.0/24 v4 | RPKI valid | 43 | 345498881203420 | 2026-09-18 |
| 2a0a:4540::/48 v6 | RPKI valid | 38 | 6939203420 | 2026-09-18 |
| 2a0a:4540:3000::/48 v6 | RPKI valid | 38 | 58057203420 | 2026-09-18 |
| 2a0a:4545::/32 v6 | RPKI valid | 38 | 24482203420 | 2026-09-18 |