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carefirstcustomer - Sign In
This website is hosted with Blue Cross & Blue Shield of Maryland, which reserves the following IP addresses for cfauth.carefirst.com: 170.22.77.193. Subnet identifier ranges from 170.22.0.0 to 170.22.255.255. Classless Inter-Domain Routing (CIDR) is 170.22.0.0/16. ARIN net type is Direct Allocation.
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At present, the WHOIS information for cfauth.carefirst.com is unfortunately not available. Due to various potential reasons such as privacy protections, data maintenance, or registrar restrictions, we are unable to provide specific details about cfauth.carefirst.com's registration and ownership status at this time.