Autonomous system profile

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

AS36550

Announcement observedARIN

MA-MORTENSON-COMPANY - M. A. Mortenson Company · MA-MORTENSON-COMPANY

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

Last active10/2/2026, 23:21:02Snapshot expired

View network topology RDAP registration

ASN: AS36550
Registration country: United States
Name: MA-MORTENSON-COMPANY - M. A. Mortenson Company
Abbreviation: MA-MORTENSON-COMPANY
Registration date: 1/30/2006, 21:18:13
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
162.120.92.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	10/2/2026, 16:00:00	✓	×	Historical record
162.120.92.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	10/2/2026, 16:00:00	✓	×	Historical record
162.120.93.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	10/2/2026, 16:00:00	✓	×	Historical record

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

Registration and sources

Organization: MA-MORTENSON-COMPANY - M. A. Mortenson Company
RIR: ARIN
Registration country: United States
Registration date: 1/30/2006, 21:18:13
Abuse contact: netadmin@mortenson.com

Snapshot trend

10/2/2026, 23:21:023 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 · rir-rdap-asn · iana-rdap-asn-bootstrap