AS213959 ObSimRef Diensten B.V. trading as AltStack 🇳🇱 NL
Florian Overkamp. Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
512 (2 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
3
transit providers observed
Peers
4
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS213959
- Name
- ObSimRef Diensten B.V. trading as AltStack
- Organisation
- AltStack
- Country
- 🇳🇱 NL
- RIR
- RIPENCC
- Allocated
- 2024-10-25
- Network type
- NSP
- Peering policy
- Open
- IRR as-set
- AS213959:AS-ALTSTACK
- Website
- https://www.altstack.eu/
- PeeringDB
- net/37730
- Exchanges
- 2
- Facilities
- 3
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
3 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 157.173.74.0/24 v4 | RPKI valid | 45 | 37721213959 | 2026-09-29 |
| 185.104.131.0/24 v4 | RPKI valid | 45 | 37721213959 | 2026-09-18 |
| 2001:67c:f54::/48 v6 | RPKI valid | 38 | 24482213959 | 2026-09-18 |