AS12905 ACS-SK-AS ACS spol. s r. o.
🇸🇰Org handle: ORG-AL12-RIPE
RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
6total
5 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)9,728
Announced (BGP)9,984
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)6.3×10²⁹
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 6 announced prefixes, updated daily (2026-10-20). How the score works · RPKI explained
Announced Prefixes
(BGP)6|
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 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 |
Allocated Prefixes
(RIR)5Prefix | Country | RIR | Status |
|---|---|---|---|
| 62.176.160.0/19 | 🇸🇰 SK | RIPENCC | allocated |
| 185.250.244.0/22 | 🇸🇰 SK | RIPENCC | allocated |
| 193.200.9.0/24 | 🇸🇰 SK | RIPENCC | assigned |
| 195.146.13.0/24 | 🇸🇰 SK | RIPE | assigned |
| 2a06:6bc0::/29 | 🇸🇰 SK | RIPENCC | allocated |
All 6 announced prefixes of AS12905 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS12905 hands its own prefixes to: transit providers, or peers at an exchange.
- AS31117ENERGOTEL A.S6
Downstreams (2)
Networks whose own prefixes AS12905 passes on: usually its customers.
Other adjacent networks (1)
Adjacent to AS12905 in the transit part of AS paths: peers, providers or customers.
- AS3257GTT BACKBONE GTT Communications1
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/12905Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/12905" | jq