asn.dev

Autonomous system

AS291 ESNET-EAST

Unclassified ARIN

IPv4 addresses 262K 1 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Flagged prefixes 0 none

Summary

Energy Sciences Network (ESnet)

United States · AI-generated

government research legacy

The eastern network (ESNET-EAST) of ESnet, the US Department of Energy's

Energy Sciences Network, a high-performance network for scientific research.

What it's used for

  • Connecting DOE national laboratories and research facilities with very high-bandwidth links for large-scale science.

Notable

  • A US government / research network, not a commercial ISP. The low AS number reflects an early-internet allocation. See also [AS292](https://asn.ipinfo.app/AS292), ESnet's western counterpart.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.

Address space

Summary

Full explorer
CountryNamePrefixes
USUnited States of America1

Registry

Allocation record

via ARIN RDAP
Registry
ARIN
Handle
AS291
Registry name
ESNET-EAST
Registrant
ESnet
Abuse contact
hostmaster@es.net
Registered
1997-06-17
Last changed
2012-04-02
Status
active

Reputation

Classification and threat

Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.

No IC3 indicators Nothing from the FBI IC3 feed.

Threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check