Identifies the version of the Internet Protocol Address within the network interface device at a host or end user location.
NOTE 1: When this field is populated without an associated IP Address then it shall be used by the provider to assign the IP Address using a pool of available addresses based on the format selected in this field. The American Registry for Internet Numbers (ARIN) assigns the pool of IP Addresses for US based services that may be used by a provider.
VALID ENTRIES:
4 = IPv4
6 = IPv6
M = IPv4 - mapped IPv6
USAGE: This field is conditional.
NOTE 1: Required when the ACT field on the ASR Form is “N”.
NOTE 2: Required when the IP Address field is populated.
NOTE 3: Otherwise optional.
DATA CHARACTERISTICS: 1 alpha/numeric character.
EXAMPLE: 4