Summary
| Country |
 United States
|
| Domain | up.com |
| Size | 32,768 |
| Registry | ARIN |
| Network Name | UPRR-IPV4-05 |
Whois
American Registry for Internet Numbers NET173 (NET-173-0-0-0-0) 173.0.0.0 - 173.255.255.255
Union Pacific Railroad Company UPRR-IPV4-05 (NET-173-229-128-0-1) 173.229.128.0 - 173.229.255.255
CIDR IP address subranges within 173.229.128.0/17 subnet
- 173.229.128.0/24
- 173.229.129.0/24
- 173.229.130.0/24
- 173.229.131.0/24
- 173.229.132.0/24
- 173.229.133.0/24
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- 173.229.255.0/24