1 votes 1 votes In a class C address 3 bits are borrowed for subnetting of host id part. Total number of possible subnet masks are ? Ans is 42, but according to me answer should be 8C3 = 56. Kaifi7 asked Oct 8, 2017 Kaifi7 222 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.