arena.ne.jp
One organisation, resolved across 2 separately-registered clusters
linked by shared operating domain arena.ne.jp — not name similarity, so
genuinely different organisations that share a name are excluded.
Data as of 2026-07-26
2 clusters ·
528 netblocks ·
2,078,976 IPv4 addresses ·
4 IPv6 prefixes
IPv6 ranges (4)
Member clusters
- NTT PC Communications, Inc. 472 netblocks
- InfoSphere 80 netblocks