What does NI P stand for?

What does NI P mean?

NIP	Non Important Post Miscellaneous » Unclassified
NIP	Nipple Governmental » NASA
NIP	Network Interface Processor Governmental » NASA
NIP	Network Input Processor Governmental » NASA
NIP	New In Package Business » Products
NIP	National Immunization Program (CDC) Governmental » FDA
NIP	Not Intentionally Pointy Internet » Chat
NIP	National Intelligence Program Governmental » Military
NIP	Network Improvement Program Governmental » Transportation