Do you see any of these model numbers, or anything close to them, anywhere on the router?
N1 is probably not the full model number but just part of a product line name.

Belkin

* F1PI-241EGau
* F1PI241ENau
* F5D5230-4
* F5D5231-4
* F5D5231-4v3
* F5D5730au
* F5D6230-3
* F5D6231-4
* F5D6231-4-v2
* F5D7130UK
* F5D7230-4
* F5D7230-4v7.01
* F5D7231-4
* F5D7231-4P
* F5D7231-4v4.05
* F5D7630
* F5D7630-4
* F5D7632-4
* F5D7632-4v2
* F5D7632-4v3
* F5D7632ef4a
* F5D7633-4
* F5D8230-4
* F5D8231-4
* F5D8630-4
* F5D9230-4
* F5D9630-4
* MyEssentials-ME1004-R