prserv.net
One organisation, resolved across 3 separately-registered clusters linked by shared operating domain prserv.net — not name similarity, so genuinely different organisations that share a name are excluded.
3 clusters ·
4,644 netblocks ·
230,220,954 IPv4 addresses ·
2 countries
Member clusters
- AT&T Enterprises, LLC US-DE 4,452 netblocks
- AT&T Global Network Services Nederland B.V. NL 139 netblocks
- AT&T Japan K.K. 53 netblocks