IPv4 Address Ranges

IPv4 Address Table

Powers of 2	# Networks	Available Hosts (-2)	Class	Range From	Range To
2^1	2	0	Class A	1	126
2^2	4	2	Class B	128.0	191.255
2^3	8	6	Class C	192.0.0	223.255.255
2^4	16	14	Class D	224	239
2^5	32	30	Class E	240	254
2^6	64	62
2^7	128	126
2^8	256	254	Class A	255.0.0.0
2^9	512	510	Class B	255.255.0.0
2^10	1,024	1,022	Class C	255.255.255.0
2^11	2,048	2,046	Class D	None (Multicast)
2^12	4,096	4,094	Class E	None (Experimental)
2^13	8,192	8,190
2^14	16,384	16,382
2^15	32,768	32,766
2^16	65,536	65,534	Class A	# Networks: 126	Hosts: 16,777,214
2^17	131,072	131,070	Class B	# Networks: 16,384	Hosts: 65,534
2^18	262,144	262,142	Class C	# Networks: 2,097,152	Hosts: 254
2^19	524,288	524,286
2^20	1,048,576	1,048,574
2^21	2,097,152	2,097,150
2^22	4,194,304	4,194,302
2^23	8,388,608	8,388,606
2^24	16,777,216	16,777,214		Bits Borrowed	Increment (Subnet)	Octet
2^25	33,554,432	33,554,430		1	128	128
2^26	67,108,864	67,108,862		2	64	192
2^27	134,217,728	134,217,726		3	32	224
2^28	268,435,456	268,435,454		4	16	240
2^29	536,870,912	536,870,910		5	8	248
2^30	1,073,741,824	1,073,741,822		6	4	252
2^31	2,147,483,648	2,147,483,646		7	2	254
2^32	4,294,967,296	4,294,967,294		8	1	255

Private IPv4 Address Ranges