Summary
| Country |
 Poland
|
| Domain | grefnet.pl |
| Size | 1,024 |
| Registry | RIPE NCC |
| Network Name | GREFNET |
Whois
CIDR IP address subranges within 91.222.144.0/22 subnet
- 91.222.144.0/24
- 91.222.145.0/24
- 91.222.146.0/24
- 91.222.147.0/24