All private and public IP ranges

Private IP ranges

Address block	Address range	Number of addresses	Scope	Description
0.0.0.0/8	0.0.0.0–0.255.255.255	16777216	Software	Current (local, "this") network
10.0.0.0/8	10.0.0.0–10.255.255.255	16777216	Private network	Used for local communications within a private network
100.64.0.0/10	100.64.0.0–100.127.255.255	4194304	Private network	Shared address space for communications between a service provider and its subscribers when using a carrier-grade NAT
127.0.0.0/8	127.0.0.0–127.255.255.255	16777216	Host	Used for loopback addresses to the local host
169.254.0.0/16	169.254.0.0–169.254.255.255	65536	Subnet	Used for link-local addresses between two hosts on a single link when no IP address is otherwise specified, such as would have normally been retrieved from a DHCP server
172.16.0.0/12	172.16.0.0–172.31.255.255	1048576	Private network	Used for local communications within a private network
192.0.0.0/24	192.0.0.0–192.0.0.255	256	Private network	IETF Protocol Assignments, DS-Lite (/29)
192.0.2.0/24	192.0.2.0–192.0.2.255	256	Documentation	Assigned as TEST-NET-1, documentation and examples
192.88.99.0/24	192.88.99.0–192.88.99.255	256	Internet	Reserved. Formerly used for IPv6 to IPv4 relay (included IPv6 address block 2002::/16).
192.168.0.0/16	192.168.0.0–192.168.255.255	65536	Private network	Used for local communications within a private network
198.18.0.0/15	198.18.0.0–198.19.255.255	131072	Private network	Used for benchmark testing of inter-network communications between two separate subnets
198.51.100.0/24	198.51.100.0–198.51.100.255	256	Documentation	Assigned as TEST-NET-2, documentation and examples
203.0.113.0/24	203.0.113.0–203.0.113.255	256	Documentation	Assigned as TEST-NET-3, documentation and examples
224.0.0.0/4	224.0.0.0–239.255.255.255	268435456	Internet	In use for multicast (former Class D network)
233.252.0.0/24	233.252.0.0-233.252.0.255	256	Documentation	Assigned as MCAST-TEST-NET, documentation and examples (Note that this is part of the above multicast space.)
240.0.0.0/4	240.0.0.0–255.255.255.254	268435455	Internet	Reserved for future use (former Class E network)
255.255.255.255/32	255.255.255.255	1	Subnet	Reserved for the "limited broadcast" destination address

Public IP ranges

Address range	Address block
1.0.0.0–9.255.255.255	1.0.0.0/8
	2.0.0.0/7
	4.0.0.0/6
	8.0.0.0/7
11.0.0.0–100.63.255.255	11.0.0.0/8
	12.0.0.0/6
	16.0.0.0/4
	32.0.0.0/3
	64.0.0.0/3
	96.0.0.0/6
	100.0.0.0/10
100.128.0.0–126.255.255.255	100.128.0.0/9
	101.0.0.0/8
	102.0.0.0/7
	104.0.0.0/5
	112.0.0.0/5
	120.0.0.0/6
	124.0.0.0/7
	126.0.0.0/8
128.0.0.0–169.253.255.255	128.0.0.0/3
	160.0.0.0/5
	168.0.0.0/8
	169.0.0.0/9
	169.128.0.0/10
	169.192.0.0/11
	169.224.0.0/12
	169.240.0.0/13
	169.248.0.0/14
	169.252.0.0/15
169.255.0.0–172.15.255.255	169.255.0.0/16
	170.0.0.0/7
	172.0.0.0/12
172.32.0.0–191.255.255.255	172.32.0.0/11
	172.64.0.0/10
	172.128.0.0/9
	173.0.0.0/8
	174.0.0.0/7
	176.0.0.0/4
192.0.1.0–192.0.1.255	192.0.1.0/24
192.0.3.0–192.88.98.255	192.0.3.0/24
	192.0.4.0/22
	192.0.8.0/21
	192.0.16.0/20
	192.0.32.0/19
	192.0.64.0/18
	192.0.128.0/17
	192.1.0.0/16
	192.2.0.0/15
	192.4.0.0/14
	192.8.0.0/13
	192.16.0.0/12
	192.32.0.0/11
	192.64.0.0/12
	192.80.0.0/13
	192.88.0.0/18
	192.88.64.0/19
	192.88.96.0/23
	192.88.98.0/24
192.88.100.0–192.167.255.255	192.88.100.0/22
	192.88.104.0/21
	192.88.112.0/20
	192.88.128.0/17
	192.89.0.0/16
	192.90.0.0/15
	192.92.0.0/14
	192.96.0.0/11
	192.128.0.0/11
	192.160.0.0/13
192.169.0.0–198.17.255.255	192.169.0.0/16
	192.170.0.0/15
	192.172.0.0/14
	192.176.0.0/12
	192.192.0.0/10
	193.0.0.0/8
	194.0.0.0/7
	196.0.0.0/7
	198.0.0.0/12
	198.16.0.0/15
198.20.0.0–198.51.99.255	198.20.0.0/14
	198.24.0.0/13
	198.32.0.0/12
	198.48.0.0/15
	198.50.0.0/16
	198.51.0.0/18
	198.51.64.0/19
	198.51.96.0/22
198.51.101.0–203.0.112.255	198.51.101.0/24
	198.51.102.0/23
	198.51.104.0/21
	198.51.112.0/20
	198.51.128.0/17
	198.52.0.0/14
	198.56.0.0/13
	198.64.0.0/10
	198.128.0.0/9
	199.0.0.0/8
	200.0.0.0/7
	202.0.0.0/8
	203.0.0.0/18
	203.0.64.0/19
	203.0.96.0/20
	203.0.112.0/24
203.0.114.0–223.255.255.255	203.0.114.0/23
	203.0.116.0/22
	203.0.120.0/21
	203.0.128.0/17
	203.1.0.0/16
	203.2.0.0/15
	203.4.0.0/14
	203.8.0.0/13
	203.16.0.0/12
	203.32.0.0/11
	203.64.0.0/10
	203.128.0.0/9
	204.0.0.0/6
	208.0.0.0/4