IP should look something like this to choose from (with pvp in mind) :
Nano-init
Rise it high. Some likes to max it.
You should IP this skill from the bottom at 220.
Stop IP'ing it when you can cast CH and other combat-nanos fast or instant. Wear your combat-gear when testing.
We get a little + inits from LE-ring and Ado Symb for example.
When init debuffed, it usually ruins everything anyway so there is no need to max it if you already can instant-cast your nanos.
Nano-resist
Helps resist hostile nanprograms.
Some don't put a single IP in it "because anything dangerous will land anyway".
With maxed NR and nanoskills, you can quicky go into a NR2 build tho
Nanopool
Without any IP in nanpool, no -cost gear. I can on my solitus agent get off 6 CH's using regain nano+stims.
Thats 8x6 battle time with chaining CH. (CH recharge x6 ).
You will of course be very crippled when nanodrained tho. Most agents raise this high.
The point is just that you don't have to.