EC2 > Structures > Ipv4PrefixSpecificationResponse Ipv4PrefixSpecificationResponse¶ Structure Class¶ Ipv4PrefixSpecificationResponse dataclass ¶ Bases: _SerdeShape Information about the IPv4 delegated prefixes assigned to a network interface. Attributes¶ ipv4_prefix class-attribute instance-attribute ¶ ipv4_prefix: str | None = ... The IPv4 delegated prefixes assigned to the network interface.