Autonomous System

AS16746 CenterPoint Energy, Inc.

BusinessActiveUnited StatesARIN

AS16746 (RELIANTENERGY) is a business network operated by CenterPoint Energy, Inc. in United States, registered with ARIN. It has 23 IPv4 prefixes with 10,240 addresses, which makes it the 9,999th largest of 82,141 active autonomous systems by IPv4 space.

IPv4 addresses10,240in 23 prefixes
IPv6 prefixes0none
Size rank#9,999of 82,141 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationCenterPoint Energy, Inc.
AS nameRELIANTENERGY
Websitecenterpointenergy.com
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactit-networkservices@centerpointenergy.com
Registered2000-06-05
Last updated2023-07-19

IPv4 prefixes

23 prefixes · 10,240 addresses
NetworkAddressesFirst – last address
158.81.64.0/204,096158.81.64.0 – 158.81.79.255
158.81.16.0/23512158.81.16.0 – 158.81.17.255
158.81.24.0/23512158.81.24.0 – 158.81.25.255
158.81.13.0/24256158.81.13.0 – 158.81.13.255
158.81.18.0/24256158.81.18.0 – 158.81.18.255
158.81.19.0/24256158.81.19.0 – 158.81.19.255
158.81.26.0/24256158.81.26.0 – 158.81.26.255
158.81.27.0/24256158.81.27.0 – 158.81.27.255
158.81.33.0/24256158.81.33.0 – 158.81.33.255
158.81.35.0/24256158.81.35.0 – 158.81.35.255
158.81.36.0/24256158.81.36.0 – 158.81.36.255
158.81.45.0/24256158.81.45.0 – 158.81.45.255
158.81.46.0/24256158.81.46.0 – 158.81.46.255
158.81.47.0/24256158.81.47.0 – 158.81.47.255
158.81.48.0/24256158.81.48.0 – 158.81.48.255
158.81.49.0/24256158.81.49.0 – 158.81.49.255
158.81.55.0/24256158.81.55.0 – 158.81.55.255
158.81.65.0/24256158.81.65.0 – 158.81.65.255
158.81.66.0/24256158.81.66.0 – 158.81.66.255
158.81.80.0/24256158.81.80.0 – 158.81.80.255
158.81.81.0/24256158.81.81.0 – 158.81.81.255
158.81.82.0/24256158.81.82.0 – 158.81.82.255
158.81.96.0/24256158.81.96.0 – 158.81.96.255

IPv6 prefixes

No IPv6 prefixes.

Query AS16746 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS16746&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS16746, with or without a key:

curl "https://api.ipapi.is/?q=158.81.64.1"

Largest networks in United States

AS749 United States Department of Defense (DoD)227,398,912 IPv4 addressesAS16509 Amazon.com, Inc.217,931,264 IPv4 addressesAS7018 AT&T Enterprises, LLC117,261,568 IPv4 addressesAS8075 Microsoft Corporation81,468,160 IPv4 addressesAS721 United States Department of Defense (DoD)72,922,368 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,336,896 IPv4 addresses