AS203909 Christian Svensson 🇸🇪 SE
Announcing 2 prefixes, seen at the RIS collectors.
IPv4 prefixes
1
256 (1 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
1
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
- AS203909
- Name
- Christian Svensson
- Organisation
- Blu Networks
- Country
- 🇸🇪 SE
- RIR
- RIPENCC
- Allocated
- 2025-11-11
- Network type
- Educational/Research
- Traffic levels
- 1-5Gbps
- Scope
- Europe
- Peering policy
- Open
- IRR as-set
- AS-MAINFRAME
- Website
- https://mainframe.dev/
- PeeringDB
- net/40843
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
2 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 193.228.143.0/24 v4 | RPKI valid | 41 | 24482213113203909 | 2026-09-18 |
| 2001:678:d88::/48 v6 | RPKI valid | 38 | 24482213113203909 | 2026-09-18 |