Autonomous system profile

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

AS53434

Announcement observedARIN

SRI International · SRI-INTERNATIONAL-PRINCETON

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

Last active10/5/2026, 00:16:00Snapshot expired

View network topology RDAP registration

ASN: AS53434
Registration country: United States
Name: SRI International
Abbreviation: SRI-INTERNATIONAL-PRINCETON
Registration date: 9/30/2014, 16:58:53
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
128.57.136.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Historical record

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

Registration and sources

Organization: SRI International
RIR: ARIN
Registration country: United States
Registration date: 9/30/2014, 16:58:53
Abuse contact: john.tomasetti@sri.com

Snapshot trend

10/5/2026, 00:16:001 v40 v62 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