AS2506 — SUPERCSI NTT WEST CHUGOKU CORPORATION
AS2506 announces 6 IPv4 prefixes covering 214,272 addresses and 1 IPv6 prefixes.
About this network
SUPERCSI is a network of NTT West's Chugoku regional operation, part of the NTT West telecommunications group serving western Japan.
What it's used for
- Regional broadband internet access for homes and businesses in the Chugoku region.
Notable
- An eyeball access network (consumer/business subscribers) rather than a hosting or transit provider. The low AS number reflects an early Japanese-internet allocation from the NTT era.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 133.41.0.0/16
- 150.19.0.0/16
- 165.242.0.0/16
- 202.15.112.0/22
- 202.245.144.0/24
- 202.249.192.0/18
- 2001:44a0::/32
Upstream networks
- AS2907 Research Organization of Information and Systems, National Institute of Informatics
- AS7671 NTT SmartConnect Corporation
Adjacent networks
BGP / ASN / CIDR
awaiting query
enter an AS number, IP address, or organisation name above
IPv4
resolving...
IPv6
resolving...
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