https://www.it-connect.fr/adresses-ipv4-et-le-calcul-des-masques-de-sous-reseaux/

https://www.formip.com/pages/blog/calcul-binaire-et-methode-magique

Exercices en ligne : 
https://waytolearnx.com/2019/05/exercices-corriges-adressage-ip-partie-1.html

https://waytolearnx.com/2019/05/exercices-corriges-adressage-ip-partie-2.html

https://www.rampacek.fr/www/IMG/pdf/TD4-AdressageIP_-_Correction.pdf

https://ccnareponses.com/modules-11-13-examen-sur-ladressage-ip-reponses/