AS203833 AT-FIRSTCOLO firstcolo GmbH
🇩🇪Org handle: ORG-AISG3-RIPE
Austria
RIPE NCCallocated
Announced Prefixes (BGP)
8total
7 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)768
Announced (BGP)2,816
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)1.2×10²⁴
Announced Prefixes
(BGP)8|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| No ROA | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 |
Allocated Prefixes
(RIR)3Prefix | Country | RIR | Status |
|---|---|---|---|
| 5.187.28.0/24 | 🇦🇹 AT | RIPE | assigned |
| 79.133.43.0/24 | 🇦🇹 AT | RIPE | assigned |
| 109.169.80.0/24 | 🇦🇹 AT | RIPE | assigned |
All 8 announced prefixes of AS203833 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS203833 hands its own prefixes to: transit providers, or peers at an exchange.
- AS42473ANEXIA Cloud Solutions8
ASPA
No ASPA
Abuse Contact
+31205354444
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
- ASPA explainedWhy AS203833 should publish an ASPA object
- 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/203833Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/203833" | jq