U.S. Department of Energy, Oak Ridge Operations

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks2 · 2,560 IPv4 addresses
All fragments 436 blocks across 18 clusters
Cluster ID215798855
RegistryARIN
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Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 4 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (2)

⬇ export CSV
CIDR Org name Registry Status Confidence
198.207.237.0 – 198.207.240.255 U.S. Department of Energy, Oak Ridge Operations ARIN DIRECT ALLOCATION ● low
199.201.153.0 – 199.201.158.255 U.S. Department of Energy, Oak Ridge Operations ARIN DIRECT ALLOCATION ● low

NIC Handles

ORD1-ARIN ORD1-ARIN ORD1-ARIN UDEORO