Identifies the version of the Second Internet Protocol Address within the network interface device at a host or end user location when requesting dual stack capability with IPv4 and IPv6 enabled.
NOTE 1: When this field is populated without an associated IP Address and the first position of the REQTYP field on the ASR Form is “P” then it shall be used by the provider to identify the IP routing protocol version in order to interpret the protocol data sent from the customer’s equipment.
NOTE 2: When this field is populated without an associated IP Address and the first position of the REQTYP field on the ASR Form is “D” 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
USAGE: This field is conditional.
NOTE 1: Required when the IP ADDRESS2 field is populated.
NOTE 2: Optional when the IPAI field is populated with “4” or “6”.
NOTE 3: Otherwise prohibited.
DATA CHARACTERISTICS: 1 alpha/numeric character
EXAMPLE: 6