hpnicfAclIPAclBasicSrcPrefix 1.3.6.1.4.1.11.2.14.11.15.2.8.2.2.2.1.6

Denotes the length of a generic Internet network address prefix. A value of n corresponds to an IP address mask that has n contiguous 1-bits from the most significant bit (MSB) and all other bits set to 0.