def _prefix_from_ip_int(self, ip_int, mask=32):
        return mask - _count_righthand_zero_bits(ip_int, mask)
Return prefix length from the decimal netmask.
dataset/ETHPy150Open Exa-Networks/exabgp/lib/exabgp/dep/ipaddress.py/_IPAddressBase._prefix_from_ip_int