Summary
| Country |
 United States
|
| Domain | irs.gov |
| Size | 1,024 |
| Registry | ARIN |
| Network Name | IRSNET |
Whois
Various Registries (Maintained by ARIN) NET152 (NET-152-0-0-0-0) 152.0.0.0 - 152.255.255.255
Internal Revenue Service IRSNET (NET-152-216-0-0-1) 152.216.0.0 - 152.225.255.255
CIDR IP address subranges within 152.216.4.0/22 subnet
- 152.216.4.0/24
- 152.216.5.0/24
- 152.216.6.0/24
- 152.216.7.0/24