Home ASN LookupAS16746

AS16746 RELIANTENERGY - CenterPoint Energy, Inc.

🇺🇸

ARINassigned

Announced Prefixes (BGP)

24total

24 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)32,768

Announced (BGP)10,496

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

2000-06-05

Announced Prefixes

(BGP)24

Prefix	RPKI	IRR	Last Seen
158.81.13.0/24	No ROA	-	2026-10-10
158.81.16.0/23	No ROA	-	2026-10-10
158.81.18.0/24	No ROA	-	2026-10-10
158.81.19.0/24	No ROA	-	2026-10-10
158.81.24.0/23	No ROA	-	2026-10-10
158.81.26.0/24	No ROA	-	2026-10-10
158.81.27.0/24	No ROA	-	2026-10-10
158.81.33.0/24	No ROA	-	2026-10-10
158.81.35.0/24	No ROA	-	2026-10-10
158.81.36.0/24	No ROA	-	2026-10-10

1-10 of 24

1 / 3

Allocated Prefixes

(RIR)1

Prefix	Country	RIR	Status
158.81.0.0/17	🇺🇸 US	ARIN	allocated

All 24 announced prefixes of AS16746 →

BGP Neighbours

(seen in AS paths)

Upstreams (5)

Networks AS16746 hands its own prefixes to: transit providers, or peers at an exchange.

AS15830Equinix (EMEA) Acquisition Enterprises B.V16
AS701Verizon Business13
AS209CenturyLink Communications5
AS33662Comcast Cable Communications5
AS7018AT&T Enterprises1

Transfer History

Registry transfers of AS16746 between organisations.

AS16746M&A · 2023-07-19
RELIANT ENERGY
🇺🇸 US ARIN
→
CenterPoint Energy, Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2023-07-19	AS16746	RELIANT ENERGY 🇺🇸 US ARIN	CenterPoint Energy, Inc. 🇺🇸 US ARIN	M&A

ASPA

No ASPA

External Links

ARIN Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS16746 should publish an ASPA object
IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/16746

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/16746" | jq