Autonomous system profile

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

AS43

Announcement observedARIN

BNL-AS - Brookhaven National Laboratory · BNL-AS

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

Last active10/20/2026, 16:53:58Snapshot expired

View network topology RDAP registration

ASN: AS43
Registration country: United States
Name: BNL-AS - Brookhaven National Laboratory
Abbreviation: BNL-AS
Registration date: 4/11/1985, 05:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
130.199.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
192.12.15.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
192.153.161.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
192.203.218.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
192.33.128.0/24BGP · 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: BNL-AS - Brookhaven National Laboratory
RIR: ARIN
Registration country: United States
Registration date: 4/11/1985, 05:00:00
Abuse contact: amartinso@bnl.gov

Snapshot trend

10/20/2026, 16:53:585 v43 v61 Upstream · 0 Uncertain

10/20/2026, 16:49:455 v43 v61 Upstream · 0 Uncertain

9/29/2026, 05:49:325 v43 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