AS20404 NRG Energy, Inc.

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	158.81.153.0/24	NRG Energy, Inc.		158.81.128.0/18	ARIN
	158.81.160.0/24	NRG Energy, Inc.		158.81.128.0/18	ARIN
	158.81.168.0/24	NRG Energy, Inc.		158.81.128.0/18	ARIN
	158.81.208.0/23	NRG Energy, Inc.		158.81.192.0/18	ARIN
	158.81.210.0/23	NRG Energy, Inc.		158.81.192.0/18	ARIN
	158.81.251.0/24	NRG Energy, Inc.		158.81.192.0/18	ARIN
	158.81.252.0/24	NRG Energy, Inc.		158.81.192.0/18	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS46887	CROWNCASTLE-AS46887	Crown Castle Fiber LLC
	AS6461	ZAYO-6461	Zayo Bandwidth

• IPv4 Upstreams

Country	ASN	Name	Description
	AS46887	CROWNCASTLE-AS46887	Crown Castle Fiber LLC
	AS6461	ZAYO-6461	Zayo Bandwidth

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
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ASNumber:       20404
ASName:         AS20404
ASHandle:       AS20404
RegDate:        2001-05-03
Updated:        2013-03-07    
Ref:            https://rdap.arin.net/registry/autnum/20404


OrgName:        NRG Energy, Inc.
OrgId:          NE-29
Address:        910 Louisiana Street
City:           Houston
StateProv:      TX
PostalCode:     77002
Country:        US
RegDate:        2013-02-22
Updated:        2022-04-19
Ref:            https://rdap.arin.net/registry/entity/NE-29


OrgAbuseHandle: NETWO3117-ARIN
OrgAbuseName:   Network Services
OrgAbusePhone:  +1-832-357-3000 
OrgAbuseEmail:  Corp_NetOps_DL@nrg.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO3117-ARIN

OrgNOCHandle: NETWO3117-ARIN
OrgNOCName:   Network Services
OrgNOCPhone:  +1-832-357-3000 
OrgNOCEmail:  Corp_NetOps_DL@nrg.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO3117-ARIN

OrgTechHandle: NETWO3117-ARIN
OrgTechName:   Network Services
OrgTechPhone:  +1-832-357-3000 
OrgTechEmail:  Corp_NetOps_DL@nrg.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO3117-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#