Autonomous system profile

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

AS4155

Announcement observedARIN

USDA · USDA-1

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

Last active9/29/2026, 11:20:08Snapshot expired

View network topology RDAP registration

ASN: AS4155
Registration country: United States
Name: USDA
Abbreviation: USDA-1
Registration date: 12/15/1994, 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
147.49.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
150.118.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
150.119.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
150.120.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
151.121.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
160.232.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
162.79.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
165.221.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
166.2.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
166.4.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
166.6.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
168.68.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
170.144.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
192.12.9.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
192.131.1.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
192.195.241.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
192.231.33.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
192.73.224.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
192.84.74.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
192.86.24.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
198.22.127.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
199.128.0.0/11BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid
199.141.126.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: USDA
RIR: ARIN
Registration country: United States
Registration date: 12/15/1994, 05:00:00
Abuse contact: duty.officer@usda.gov

Snapshot trend

9/29/2026, 11:20:0823 v42 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