AS38641 — LEONET-AS Osaka Sangyo University
AS38641 announces 1 IPv4 prefixes covering 65,536 addresses and 0 IPv6 prefixes.
About this network
LEONET-AS is the autonomous system for Osaka Sangyo University.
What it's used for
- The space is registered under the netname JPNIC-NET-JP-ERX with registrant Japan Network Information Center, indicating standard JPNIC allocation for a Japanese institution.
- The AS announces a single IPv4 prefix, 133.64.0.0/16, comprising 65536 addresses, with 0 IPv6 prefixes and 1 observed neighbour.
- Traffic from this AS consists of university network activity, including student and staff access, academic research, and administrative services for the institution located in Daitō, Osaka.
Notable
- The RDAP registrant Japan Network Information Center is the national registry for Japan, which is consistent with the announcer being a Japanese university.
- The address inventory consists of a single contiguous /16 block, which is a standard allocation size for a mid-sized educational institution in Japan.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 133.64.0.0/16
Upstream networks
- AS2907 Research Organization of Information and Systems, National Institute of Informatics
Adjacent networks
- AS2907 Research Organization of Information and Systems, National Institute of Informatics
Routing security
- RPKI: 0 valid, 0 invalid and 3 not-found announcements; 0 ROAs.
- ASPA: none published.
- IRR: 0% of announcements registered; 0 route objects.
- Listed in as-sets: AS-IIJ, AS-IIJ6, AS20965:AS-FROM-TEIN-TO-GEANT, AS2497:AS-IIJ, AS2497:AS-IIJ6.
BGP / ASN / CIDR
awaiting query
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IPv4
resolving...
IPv6
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Search Results
IPv4 Prefixes
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IPv6 Prefixes
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Total Prefixes
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Unique /24s
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED