AS42539 styrion styrion Holding GmbH
🇦🇹Org handle: ORG-sIue1-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
4total
4 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)3,840
Announced (BGP)3,840
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)0
Routing hygiene
Score 10/100 · Low riskRPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
1
diversity 0/100
- Only one upstream seen in the AS paths of its routes
Based on 4 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained
Announced Prefixes
(BGP)4|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 |
Allocated Prefixes
(RIR)5Prefix | Country | RIR | Status |
|---|---|---|---|
| 77.235.80.0/21 | 🇦🇹 AT | RIPENCC | allocated |
| 77.235.88.0/22 | 🇦🇹 AT | RIPENCC | allocated |
| 77.235.92.0/23 | 🇦🇹 AT | RIPENCC | allocated |
| 77.235.94.0/24 | 🇦🇹 AT | RIPENCC | allocated |
| 2a03:5280::/32 | 🇦🇹 AT | RIPENCC | allocated |
All 4 announced prefixes of AS42539 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS210750 | 🇦🇹KWB KWB Energiesysteme GmbH |
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS42539 hands its own prefixes to: transit providers, or peers at an exchange.
- AS60587XINON CARRIER XINON4
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/42539Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/42539" | jq