AS213959 AltStack ObSimRef Diensten B.V. trading as AltStack
🇳🇱Org handle: ORG-AA3486-RIPE
RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
3total
2 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)512
Announced (BGP)512
IPv6 Addresses
Allocated (RIR)1.2×10²⁴
Announced (BGP)1.2×10²⁴
Announced Prefixes
(BGP)3|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-10 | |
| Valid | RIPE | 2026-10-10 | |
| Valid | RIPE | 2026-10-10 |
Allocated Prefixes
(RIR)3Prefix | Country | RIR | Status |
|---|---|---|---|
| 157.173.74.0/24 | 🇳🇱 NL | RIPENCC | assigned |
| 185.104.131.0/24 | 🇳🇱 NL | RIPE | assigned |
| 2001:67c:f54::/48 | 🇳🇱 NL | RIPENCC | assigned |
All 3 announced prefixes of AS213959 →
BGP Neighbours
(seen in AS paths)Abuse Contact
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/213959Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/213959" | jq