AS43542 OptoNet-AS OptoNet Communication, spol. s.r.o.
🇨🇿Org handle: ORG-OCLS3-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
2total
1 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)9,216
Announced (BGP)8,192
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)7.9×10²⁸
Announced Prefixes
(BGP)2|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 |
Allocated Prefixes
(RIR)3Prefix | Country | RIR | Status |
|---|---|---|---|
| 78.156.128.0/19 | 🇨🇿 CZ | RIPENCC | allocated |
| 185.85.92.0/22 | 🇨🇿 CZ | RIPENCC | allocated |
| 2a00:d940::/29 | 🇨🇿 CZ | RIPENCC | allocated |
All 2 announced prefixes of AS43542 →
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS43542 hands its own prefixes to: transit providers, or peers at an exchange.
ASPA
No ASPA
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
- ASPA explainedWhy AS43542 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/43542Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/43542" | jq