Recognised as IPv4 subnet
101.0.0.0/8
- IPv4
- Public
- /8
- 16,777,214 hosts
101.0.0.0/8 is an IPv4 subnet of 16,777,216 addresses, of which 16,777,214 are usable hosts. Its network address is 101.0.0.0, its broadcast address is 101.255.255.255, and its subnet mask is 255.0.0.0. The block is public: globally routable unicast address.
Address
01100101000000000000000000000000
Dotted decimal101.0.0.0
32-bit integer1,694,498,816
Hexadecimal0x65000000
Binary01100101.00000000.00000000.00000000
Octal0145.00.00.00
Octets1: 101 · 2: 0 · 3: 0 · 4: 0
Reverse DNS name0.0.0.101.in-addr.arpa
IPv4-mapped IPv6::ffff:101.0.0.0
IPv6 compact form::ffff:6500:0
Subnet 101.0.0.0/8
Network address101.0.0.0
Broadcast address101.255.255.255
Subnet mask255.0.0.0
Wildcard mask0.255.255.255the inverse mask, as used in ACLs
Prefix length/8
Total addresses16,777,216
Usable hosts16,777,214the network and broadcast addresses are not assignable
First usable host101.0.0.1
Last usable host101.255.255.254
Host range101.0.0.1 – 101.255.255.254
Mask in binary11111111.00000000.00000000.00000000
Contains this addressYes
Scope & registry
TypePublicglobally routable unicast address
Routable on the public internetYes
Legacy classA (/8 by the old classful scheme)classful addressing was replaced by CIDR in 1993; shown for reference only
LoopbackNo
MulticastNo
Safe to use in documentationNo
Related prefixes
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