Summary
| Country |
 United States
|
| Domain | nrg.com |
| Size | 512 |
| Registry | ARIN |
| Network Name | RRIHOUSTON |
Whois
Various Registries (Maintained by ARIN) NET158 (NET-158-0-0-0-0) 158.0.0.0 - 158.255.255.255
NRG Energy, Inc. RRIHOUSTON (NET-158-81-192-0-1) 158.81.192.0 - 158.81.255.255
CIDR IP address subranges within 158.81.200.0/23 subnet
- 158.81.200.0/24
- 158.81.201.0/24