Summary
| Country |
 United States
|
| Domain | optum.com |
| Size | 256 |
| Registry | ARIN |
| Network Name | CTL-PRFO |
Whois
American Registry for Internet Numbers NET64 (NET-64-0-0-0-0) 64.0.0.0 - 64.255.255.255
Level 3 Parent, LLC NETBLK-TWTC-NETBLK-1 (NET-64-132-0-0-1) 64.132.0.0 - 64.132.255.255
PreferredOne Administrative Services, Inc. CTL-PRFO (NET-64-132-90-0-1) 64.132.90.0 - 64.132.90.255
CIDR IP address subranges within 64.132.90.0/24 subnet
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