Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS291

Announcement observedARIN

ESnet · ESNET-EAST

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/16/2026, 00:00:00Snapshot expired

View network topology RDAP registration

ASN: AS291
Registration country: United States
Name: ESnet
Abbreviation: ESNET-EAST
Registration date: 6/17/1997, 04:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
198.124.0.0/14BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: ESnet
RIR: ARIN
Registration country: United States
Registration date: 6/17/1997, 04:00:00
Abuse contact: hostmaster@es.net

Snapshot trend

9/29/2026, 06:13:571 v40 v61 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn · cha-la-bgp-observations