osd.mil
One organisation, resolved across 3 separately-registered clusters
linked by shared operating domain osd.mil — not name similarity, so
genuinely different organisations that share a name are excluded.
Data as of 2026-07-26
3 clusters ·
17,055 netblocks ·
298,833,152 IPv4 addresses ·
421 IPv6 prefixes
IPv6 ranges (421)
showing the 15 largest allocationsMember clusters
- United States Department of Defense (DoD) 15,025 netblocks
- Headquarters, USAISC 1,958 netblocks
- DoD Network Information Center 432 netblocks