158.81.200.0/23

AS55102 · NRG Energy, Inc.

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Summary

Country	United States
Domain	nrg.com
ASN	AS55102
Registry	ARIN
ID	RRIHOUSTON

WHOIS Details

NetHandle:      NET-158-81-192-0-1
OrgID:          NE-29
Parent:         NET-158-0-0-0-0
NetName:        RRIHOUSTON
NetRange:       158.81.192.0 - 158.81.255.255
NetType:        allocation
RegDate:        1992-02-18
Updated:        2021-12-14
Source:         ARIN


OrgID:          NE-29
OrgName:        NRG Energy, Inc.
CanAllocate:    
Street:         910 Louisiana Street
City:           Houston
State/Prov:     TX
Country:        US
PostalCode:     77002
RegDate:        2013-02-22
Updated:        2022-04-19
OrgAdminHandle: NETWO3117-ARIN
OrgTechHandle:  NETWO3117-ARIN
OrgAbuseHandle: NETWO3117-ARIN
OrgNOCHandle:   NETWO3117-ARIN
Source:         ARIN


POCHandle:      NETWO3117-ARIN
IsRole:         Y
LastName:       Network Services
FirstName:      
Street:         910 Louisiana
City:           Houston
State/Prov:     TX
Country:        US
PostalCode:     77002
RegDate:        2009-05-14
Updated:        2025-05-05
OfficePhone:    +1-832-357-3000
Mailbox:        Corp_NetOps_DL@nrg.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 158.81.0.0/16

No nearby ranges found.

Hosted domains

There are 94 domain names hosted across 12 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
158.81.200.114	xoomenergy.com	66
158.81.201.240	nrghomepower.com	15
158.81.201.230	cirroenergy.com	2
158.81.200.53	nrgenergy.com	2
158.81.201.85	mystream.com	2
158.81.200.120	poweringchoice.org	1
158.81.201.70	nrgenergy-mos.com	1
158.81.201.207	discountpowertexas.com	1
158.81.201.248	onlinecharts.net	1
158.81.201.160	airwreckislame.ninja	1
158.81.201.60	goalzerocontent.com	1
158.81.201.47	drmp2energy.com	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

4 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
158.81.201.42	AS55102 NRG Energy, Inc.	`7.54ms` from Dallas, US
158.81.200.20	AS55102 NRG Energy, Inc.	`7.21ms` from Dallas, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
122.161.187.247	AS24560 Bharti Airtel Ltd., Telemedia Services	`3.31ms` from Ahmedabad, IN
52.224.134.167	AS8075 Microsoft Corporation	`0.32ms` from Ashburn, US
23.245.107.87	AS11776 Breezeline	`13.71ms` from Chicago, US
77.3.107.135	AS6805 Telefonica Germany GmbH & Co.OHG	`1.18ms` from Hamburg, DE
77.210.201.119	AS12430 VODAFONE ESPANA S.A.U.	`12.14ms` from Madrid, ES
65.8.25.39	AS16509 Amazon.com, Inc.	`0.15ms` from Miami, US
217.118.2.135	AS16297 WIIT S.p.A.	`1.00ms` from Milan, IT
200.75.239.183	AS18809 Cable Onda	`7.19ms` from Panama, PA
70.174.200.183	AS22773 Cox Communications Inc.	`1.97ms` from Phoenix, US
116.41.178.167	AS17858 LG POWERCOMM	`2.41ms` from Seoul, KR
123.243.66.55	AS7545 TPG Telecom Limited	`1.03ms` from Sydney, AU
1.202.94.215	AS4847 China Networks Inter-Exchange	`3.20ms` from Tianjin, CN
114.183.250.55	AS4713 NTT Communications Corporation	`9.65ms` from Tokyo, JP
109.107.237.199	AS9038 Batelco Jordan	`2.70ms` from Amman, JO
4.227.133.183	AS8075 Microsoft Corporation	`0.47ms` from Ashburn, US
190.66.247.119	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`3.32ms` from Bogota, CO
69.148.244.71	AS7018 AT&T Enterprises, LLC	`5.49ms` from Dallas, US
59.89.161.103	AS9829 National Internet Backbone	`7.60ms` from Delhi, IN
76.88.94.119	AS20001 Charter Communications Inc	`7.66ms` from Los Angeles, US
210.112.17.23	AS131866 Digital Edge Korea	`1.08ms` from Seoul, KR
115.213.198.71	AS4134 CHINANET-BACKBONE	`12.02ms` from Shanghai, CN
122.249.120.231	AS4685 Asahi Net	`4.13ms` from Tokyo, JP
20.252.235.215	AS8075 Microsoft Corporation	`0.20ms` from Boydton, US
112.141.199.55	AS9443 Vocus Retail	`7.34ms` from Brisbane, AU
197.42.217.151	AS8452 TE-AS	`2.78ms` from Cairo, EG

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f4 158.81.200.20

traceroute to 158.81.200.20 (158.81.200.20): 64 hops max, 52 byte packets

4 [AS3257] 198.47.104.105 0.335 ms

5 [AS3257] 213.200.115.26 18.021 ms

6 *

7 [AS6461] 64.125.19.100 6.931 ms

8 *

9 [AS6461] 64.125.31.90 7.058 ms

10 [AS6461] 64.125.26.121 6.861 ms

11 [AS6461] 64.125.20.141 25.534 ms

12 [AS6461] 216.119.6.173 7.173 ms

13 [AS55102] 158.81.200.20 7.301 ms

Measurement taken from

IPinfo ProbeNet in Dallas, US

On September 11th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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