Autonomous system profile

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

AS3923

Announcement observedARIN

Federal Aviation Administration · FAA-MMAC

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

Last active9/29/2026, 11:18:29Snapshot expired

View network topology RDAP registration

ASN: AS3923
Registration country: United States
Name: Federal Aviation Administration
Abbreviation: FAA-MMAC
Registration date: 10/12/1994, 04:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
152.123.16.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Historical record
152.123.16.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Historical record
152.123.8.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Historical record
162.58.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: Federal Aviation Administration
RIR: ARIN
Registration country: United States
Registration date: 10/12/1994, 04:00:00
Abuse contact: 9-AIT-ARIN-Abuse@faa.gov

Snapshot trend

9/29/2026, 11:18:294 v42 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 · iana-rdap-asn-bootstrap · rir-rdap-asn