AS18129 ONI OKAYAMA NETWORK INC.
Announced Prefixes (BGP)
8total
8 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)15,872
Announced (BGP)32,256
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)8|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 |
Allocated Prefixes
(RIR)5Prefix | Country | RIR | Status |
|---|---|---|---|
| 27.109.96.0/21 | 🇯🇵 JP | APNIC | allocated |
| 103.154.6.0/23 | 🇯🇵 JP | APNIC | allocated |
| 119.47.96.0/20 | 🇯🇵 JP | APNIC | allocated |
| 180.200.248.0/22 | 🇯🇵 JP | APNIC | allocated |
| 202.70.224.0/19 | 🇯🇵 JP | APNIC | allocated |
All 8 announced prefixes of AS18129 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS18129 hands its own prefixes to: transit providers, or peers at an exchange.
- AS17676SoftBank8
ASPA
No ASPA
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 AS18129 should publish an ASPA object
- IPv4 transfer marketTransfers published by all five RIRs
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/18129Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/18129" | jq