Data as of Nov 9, 2026
199.201.157.0/24
No anonymizer space · no proxy exits in 30 daysESnet · space held by U.S. Department of Energy, Oak Ridge Operations
Network & registry
Origin network
AS293
US
- Name
- ESnet
- Type
- Education
- Registered
- Jun 16, 1997
- Domain
- es.net
- Website
- www.es.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Jun 2021 · 5.4 yr
- Origin networks
- 3
- Last change of origin
- Jun 2021
Recorded history
History
- Handoffs
- 2
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS293 | RADB | U.S. Department of Energy Oak Ridge Field Office | MAINT-ESNET | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 199.
201. 153. 0 - 199. 201. 158. 255 - Netname
- DOE-ORO-153-158
- Registrant
- U.S. Department of Energy, Oak Ridge Operations
- Organization
- U.S. Department of Energy, Oak Ridge Operations (UDEORO)
- Org address
- 200 Administration Road, Oak Ridge, TN, 37830
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-199-201-153-0-1
- Parent
- NET-199-0-0-0-0
- Created
- Apr 29, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 29, 1994
- Status
- assigned
Report abuse
Abuse contact
- Net.
Manager@ science. doe. gov - Name
- Department of Energy Oak Ridge TN
- Phone
- +1-865-576-2482
- Handle
- ORD1-ARIN