The IP address that can be seen on Owen Reynold's laptop (when Leon tries to trace Root's wire transfer) is in fact the actual IP address for www.federalreserve.gov

Fusco: You think Mr. Tao is gonna help you with the whereabouts of our four-eyed friend?
Reese: You almost sounded concerned, Lionel.
Fusco: Frankly, I'm not sure I want to find out what you're like without his direction.
Reese: Let's hope you don't have to.

Reese: You know, the guy that owned this badge probably would have made that deal. But I'm not him.
Strohm: So who are you?
Reese: The guy who shot him and stole his badge.

Fusco: "John"? You're on a first-name basis?
Carter: What do you call him?
Fusco: "Bane of my existence."

Carter: Don't tell me we lost Fusco too.
Reese: Lionel's like a fungus, impossible to get rid of.

Root: One day, I realized all the dumb, selfish things people do... it's not our fault. No one designed us. We're just an accident, Harold. We're just bad code. But the thing you built... it's perfect. Rational. Beautiful. By design.

Fusco: Never thought I'd see you almost lose.
Reese: Yeah, I wasn't losing, I was just resting

Reese: I gave you a job, Mr. Reese. I never said it would be easy.

Here, Reese is mimicking what Finch said to him in the pilot episode of the show, which was actually slightly different: "I offered you a job, Mr. Reese. I never said it would be easy."