asn.dev

Autonomous system

AS3428 ESNET-AS

Unclassified ARIN

IPv4 addresses 68.10K 12 prefixes
IPv6 prefixes 1 counted as prefixes, not addresses
Countries 1 mostly US
Flagged prefixes 0 none

Summary

ESnet (Energy Sciences Network)

United States · AI-generated

government research legacy

One of the Energy Sciences Network (ESNET-AS) autonomous systems. ESnet is

the US Department of Energy's science network, connecting the national

laboratories and their research collaborators. This is the largest of ESnet's

low-numbered AS registrations by announced address space.

What it's used for

  • Carrying research traffic for DOE laboratories and user facilities: large scientific data transfers, remote instrument access, and lab site connectivity.
  • Serving the DOE research mission rather than commercial subscribers.

Notable

Interesting

  • Research and education networks like ESnet routinely carry per-flow volumes that would be extraordinary on a commercial network, because a single physics or genomics experiment can produce petabytes that must move between sites.

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 America13

Registry

Allocation record

via ARIN RDAP
Registry
ARIN
Handle
AS3425
Registry name
ESNET-AS
Registrant
ESnet
Abuse contact
hostmaster@es.net
Registered
1994-02-17
Last changed
2012-04-10
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