doubt anyone would go to the trouble.
do you have any valuable information on your computer that can't be found by other means? (again doubtful)
secret codes to fort knox? no?
damn! and here I was gonna waste my time hacking you to get what.... your family photos, and that video you downloaded and put in so many subfolders that mom or dad will never think of looking there
all joking aside, I think your safe

IP addresses can be easily read by browsers, it's how admins ban people from forums etc. default gateways, don't help anybody, along with dhcp and dns servers.
I wouldn't worry
