AS18124 OUS-NET Okayama University of Science
Announced Prefixes (BGP)
11total
10 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)65,536
Announced (BGP)200,704
IPv6 Addresses
Allocated (RIR)1.2×10²⁴
Announced (BGP)1.2×10²⁴
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)11|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 |
1-10 of 11
1 / 2
Allocated Prefixes
(RIR)2Prefix | Country | RIR | Status |
|---|---|---|---|
| 150.55.0.0/16 | 🇯🇵 JP | APNIC | allocated |
| 2001:df0:3d80::/48 | 🇯🇵 JP | APNIC | assigned |
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 AS18124 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/18124Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/18124" | jq