Autonomous system profile

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

AS53302

Announcement observedARIN

Baltimore County Government · BALTIMORECOUNTYGOVERNMENT

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

Last active10/4/2026, 23:19:27Snapshot expired

View network topology RDAP registration

ASN: AS53302
Registration country: United States
Name: Baltimore County Government
Abbreviation: BALTIMORECOUNTYGOVERNMENT
Registration date: 12/7/2009, 18:55:52
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
167.102.138.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
204.145.181.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
207.114.31.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	9/21/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: Baltimore County Government
RIR: ARIN
Registration country: United States
Registration date: 12/7/2009, 18:55:52
Abuse contact: servicedesk@baltimorecountymd.gov

Snapshot trend

10/4/2026, 23:19:273 v40 v62 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