Autonomous system profile

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

AS54337

Announcement observedARIN

BWX Technologies, Inc. · BW-LYNVA

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

Last active10/5/2026, 02:56:29Snapshot expired

View network topology RDAP registration

ASN: AS54337
Registration country: United States
Name: BWX Technologies, Inc.
Abbreviation: BW-LYNVA
Registration date: 1/4/2012, 18:57:35
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
136.175.220.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/19/2026, 16:00:00	✓	×	Currently valid
136.175.221.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/19/2026, 16:00:00	✓	×	Currently valid
199.246.255.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/19/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: BWX Technologies, Inc.
RIR: ARIN
Registration country: United States
Registration date: 1/4/2012, 18:57:35
Abuse contact: BWXTITProcurement@bwxt.com

Snapshot trend

10/5/2026, 02:56:293 v40 v64 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