Autonomous system profile

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

AS16746

Announcement observedARIN

CenterPoint Energy, Inc. · RELIANTENERGY

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

Last active9/30/2026, 18:08:53Snapshot expired

View network topology RDAP registration

ASN: AS16746
Registration country: United States
Name: CenterPoint Energy, Inc.
Abbreviation: RELIANTENERGY
Registration date: 6/5/2000, 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
158.81.13.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.16.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.18.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.19.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.24.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.26.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.27.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.33.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.35.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.36.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.45.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.46.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.47.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.48.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.49.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.55.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.65.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.66.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.80.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.81.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
158.81.82.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: CenterPoint Energy, Inc.
RIR: ARIN
Registration country: United States
Registration date: 6/5/2000, 04:00:00
Abuse contact: it-networkservices@centerpointenergy.com

Snapshot trend

9/30/2026, 18:08:5322 v40 v65 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