AS18124 — OUS-NET Okayama University of Science

AS18124 announces 1 IPv4 prefixes covering 65,536 addresses and 1 IPv6 prefixes.

About this network

The AS handle OUS-NET is held by Okayama University of Science.

What it's used for

• The address space is registered under the netname JAPAN150 with the Japan Network Information Center, indicating a standard allocation for a Japanese institution.
• The AS announces 65,536 IPv4 addresses across 6 prefixes and 1 IPv6 prefix, while maintaining only 2 observed neighbours. This high address-to-neighbour ratio is characteristic of an access or eyeball network, consistent with a university campus providing connectivity to students and staff.

Notable

• All six announced IPv4 prefixes are registered to IRT-JPNIC-JP (Japan Network Information Center) under the netname JAPAN150, which aligns with the registry holder Okayama University of Science.
• The address inventory consists of contiguous blocks within the 150.55.0.0/16 range, subdivided into /17, /18, /19, /20, and /21 prefixes, suggesting internal segmentation of the university's network estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 150.55.0.0/16
• 2001:df0:3d80::/48

Upstream networks

• AS2907 Research Organization of Information and Systems, National Institute of Informatics
• AS7670 Enecom,Inc.

Adjacent networks

• AS2907 Research Organization of Information and Systems, National Institute of Informatics
• AS7670 Enecom,Inc.