ucom.ne.jp
One organisation, resolved across 4 separately-registered clusters
linked by shared operating domain ucom.ne.jp — not name similarity, so
genuinely different organisations that share a name are excluded.
Data as of 2026-11-01
4 clusters ·
510 netblocks ·
772,272,131 IPv4 addresses ·
30 IPv6 prefixes
IPv6 ranges (30)
- 2400::/12
- 2410::/12
- 2001:8000::/19
- 2001:a000::/20
- 2001:b000::/20
- 2001:200::/23
- 2001:4400::/23
- 2001:c00::/23
- 2001:e00::/23
- 2001:f60::/28
- 2001:f70::/29
- 2001:7fa::/32
- 2401:f280::/32
- 2404:7200::/32
- 2404:9000::/32
- 2001:504:13::211:29/128
- 2001:7f8:1::a500:2519:1/128
- 2001:7f8:4::9d7:1/128
- 2001:7fa:7:1::2519:1/128
- 2001:7fa:7:2::2519:1/128
- 2001:de8:4::2519:1/128
- 2001:de8:5::2519:1/128
- 2001:de8:8:6::2519:1/128
- 2001:de8:8::2519:1/128
- 2001:de8:c:2::2519:1/128
- 2001:de8:c::2519:2/128
- 2001:df5:b800:bb00::2519:3/128
- 2403:c780:7200:b074::2519:1/128
- 2403:c780:7200:b078::2519:1/128
- 2403:c780:b800:bb00::2519:1/128
Member clusters
- ARTERIA Networks Corporation JP 214 netblocks
- JPNIC-NET-JP 199 netblocks
- Vectant 71 netblocks
- Asia Pacific Network Information Center, Pty. Ltd. 57 netblocks