##### 3.2.2.5.7 ACME "tls-alpn-01" method for IP Addresses
Confirming the Applicant's control over the IP Address by performing the procedure documented for a "tls-alpn-01" challenge in RFC 8738.
CAs performing validations using this method MUST implement Multi-Perspective Issuance Corroboration as specified in [Section 3.2.2.9](#3229-multi-perspective-issuance-corroboration). To count as corroborating, a Network Perspective MUST observe the same challenge information (i.e. token) as the Primary Network Perspective.