Autonomous system profile

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

AS393256

Announcement observedARIN

DTE Energy Company · DTE-ASN

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

Last active10/19/2026, 09:57:56Snapshot expired

View network topology RDAP registration

ASN: AS393256
Registration country: United States
Name: DTE Energy Company
Abbreviation: DTE-ASN
Registration date: 7/30/2013, 18:28:25
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
162.9.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/5/2026, 00:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
162.9.0.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/5/2026, 00:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
162.9.140.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/5/2026, 00:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
162.9.140.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/5/2026, 00:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
162.9.141.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/5/2026, 00:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
162.9.64.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/5/2026, 00:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
204.124.152.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/5/2026, 00:00:00	10/19/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: DTE Energy Company
RIR: ARIN
Registration country: United States
Registration date: 7/30/2013, 18:28:25
Abuse contact: shantanu.mondal@dteenergy.com

Snapshot trend

10/19/2026, 09:57:567 v45 v62 Upstream · 0 Uncertain

10/19/2026, 09:50:570 v40 v60 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