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Summary
| Country |
 United States
|
| Domain | nrg.com |
| Size | 2,048 |
| Registry | ARIN |
| Network Name | RRI-NET |
Whois
Various Registries (Maintained by ARIN) NET158 (NET-158-0-0-0-0) 158.0.0.0 - 158.255.255.255
NRG Energy, Inc. RRI-NET (NET-158-81-128-0-1) 158.81.128.0 - 158.81.191.255CIDR IP address subranges within 158.81.136.0/21 subnet
- 158.81.136.0/24
- 158.81.137.0/24
- 158.81.138.0/24
- 158.81.139.0/24
- 158.81.140.0/24
- 158.81.141.0/24
- 158.81.142.0/24
- 158.81.143.0/24