Autonomous system profile

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

AS40043

Announcement observedARIN

LIFESPAN - Brown University Health · LIFESPAN

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

Last active10/3/2026, 08:17:38Snapshot expired

View network topology RDAP registration

ASN: AS40043
Registration country: United States
Name: LIFESPAN - Brown University Health
Abbreviation: LIFESPAN
Registration date: 6/12/2006, 18:12:34
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
192.138.176.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
192.138.177.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
192.138.178.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: LIFESPAN - Brown University Health
RIR: ARIN
Registration country: United States
Registration date: 6/12/2006, 18:12:34
Abuse contact: gregory.paris@brownhealth.org

Snapshot trend

10/3/2026, 08:17:383 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 · rir-rdap-asn · iana-rdap-asn-bootstrap