http://jodies.de/ipcalc?host=101.78.186.182&mask1=30&mask2=

/30	4	2	255.255.255.252	1/64
/29	8	6	255.255.255.248	1/32
/28	16	14	255.255.255.240	1/16
/27	32	30	255.255.255.224	1/8
/26	64	62	255.255.255.192	1/4
/25	128	126	255.255.255.128	1/2
/24	256	254	255.255.255.0	1
/23	512	510	255.255.254.0	2
/22	1024	1022	255.255.252.0	4


Address:   59.152.198.92         00111011.10011000.11000110.01011 100
Netmask:   255.255.255.248 = 29  11111111.11111111.11111111.11111 000
Wildcard:  0.0.0.7               00000000.00000000.00000000.00000 111
=>
Network:   59.152.198.88/29      00111011.10011000.11000110.01011 000 (Class A)
Broadcast: 59.152.198.95         00111011.10011000.11000110.01011 111
HostMin:   59.152.198.89         00111011.10011000.11000110.01011 001
HostMax:   59.152.198.94         00111011.10011000.11000110.01011 110
Hosts/Net: 6                     




Address:   59.152.198.92         00111011.10011000.11000110.0101 1100
Netmask:   255.255.255.240 = 28  11111111.11111111.11111111.1111 0000
Wildcard:  0.0.0.15              00000000.00000000.00000000.0000 1111
=>
Network:   59.152.198.80/28      00111011.10011000.11000110.0101 0000 (Class A)
Broadcast: 59.152.198.95         00111011.10011000.11000110.0101 1111
HostMin:   59.152.198.81         00111011.10011000.11000110.0101 0001
HostMax:   59.152.198.94         00111011.10011000.11000110.0101 1110
Hosts/Net: 14                    



Address:   59.152.198.92         00111011.10011000.11000110.010111 00
Netmask:   255.255.255.252 = 30  11111111.11111111.11111111.111111 00
Wildcard:  0.0.0.3               00000000.00000000.00000000.000000 11
=>
Network:   59.152.198.92/30      00111011.10011000.11000110.010111 00 (Class A)
Broadcast: 59.152.198.95         00111011.10011000.11000110.010111 11
HostMin:   59.152.198.93         00111011.10011000.11000110.010111 01
HostMax:   59.152.198.94         00111011.10011000.11000110.010111 10
Hosts/Net: 2                 


Address:   59.152.198.92         00111011.10011000.11000110.010 11100
Netmask:   255.255.255.224 = 27  11111111.11111111.11111111.111 00000
Wildcard:  0.0.0.31              00000000.00000000.00000000.000 11111
=>
Network:   59.152.198.64/27      00111011.10011000.11000110.010 00000 (Class A)
Broadcast: 59.152.198.95         00111011.10011000.11000110.010 11111
HostMin:   59.152.198.65         00111011.10011000.11000110.010 00001
HostMax:   59.152.198.94         00111011.10011000.11000110.010 11110
Hosts/Net: 30