Summary
| Country |
 United States
|
| Domain | ironport.com |
| Size | 512 |
| Registry | ARIN |
| Network Name | CISL-7 |
Whois
American Registry for Internet Numbers NET216 (NET-216-0-0-0-0) 216.0.0.0 - 216.255.255.255
Cisco Systems Ironport Division CISL-7 (NET-216-71-128-0-1) 216.71.128.0 - 216.71.159.255
CIDR IP address subranges within 216.71.128.0/23 subnet
- 216.71.128.0/24
- 216.71.129.0/24