Summary
| Country |
 United States
|
| Domain | sparkpost.com |
| Size | 512 |
| Registry | ARIN |
| Network Name | MS-820 |
Whois
Various Registries (Maintained by ARIN) NET156 (NET-156-0-0-0-0) 156.0.0.0 - 156.255.255.255
Sparkpost MS-820 (NET-156-70-88-0-1) 156.70.88.0 - 156.70.89.255
CIDR IP address subranges within 156.70.88.0/23 subnet
- 156.70.88.0/24
- 156.70.89.0/24