Autonomous system profile

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

AS393753

Announcement observedARIN

The Brooklyn Hospital Center · AS393753

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

Last active11/1/2026, 03:17:31Snapshot expired

View network topology RDAP registration

ASN: AS393753
Registration country: United States
Name: The Brooklyn Hospital Center
Abbreviation: AS393753
Registration date: 10/12/2017, 16:38:26
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
198.177.191.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/18/2026, 00:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
198.177.192.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/18/2026, 00:00:00	11/1/2026, 00:00:00	✓	×	Currently valid
198.177.196.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/18/2026, 00:00:00	11/1/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: The Brooklyn Hospital Center
RIR: ARIN
Registration country: United States
Registration date: 10/12/2017, 16:38:26
Abuse contact: jsafonov@tbh.org

Snapshot trend

11/1/2026, 03:17:313 v40 v61 Upstream · 0 Uncertain

11/1/2026, 03:16:070 v40 v60 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