IP Address, Subnet, & Wildcard

MACaddr

SUBNET Calculator

Sum R-L255127623115731
Value1286432168421
MASK128192224240248252254255
Represents a SINGLE IP Address (in a 8-bit OCTET)

ADDRESS RANGE

ClassStartEnd1st Oct BitsNetworksHosts
A1.0.0.1127.255.255.2540xxxxxxx12716,777,214
B128.1.0.1191.255.255.25410xxxxxxx16,38465,534
C192.0.1.1223.255.255.254110xxxxx2,097,152254
D224.0.0.0239.255.255.2551110xxxxReservedMULTICAST
E240.0.0.0255.255.255.2541111xxxxReservedFuture Use, R&D, DOD

RESERVED PRIVATE ADDRESSES

ClassStartEndSubnet Mask
A10.0.0.010.255.255.255255.0.0.0
B172.16.0.0172.31.255.255255.255.0.0
C192.168.0.1192.168.255.255255.255.255.0
RFC 1918 Addresses — NOT routed by the Internet Routers (Filtered by PE Routers)

LINK LOCAL ADDRESSES

StartEnd
169.254.0.1169.254.255.255APIPA
RFC 2026 Addresses
* Automatic Private IP Addressing (APIPA)
* Auto-assigned IP address to local host if DHCP server cannot be contacted.
* NOT routed by any router

OTHER RESERVED ADDRESSES

StartEnd
127.0.0.1127.255.255.255Loopback & Testing IP Applications
244.0.0.1244.0.0.255Class D Multicast (IANA)

WILDCARD MASK

SlashNetmaskWildcard mask
/32255.255.255.2550.0.0.0
/31255.255.255.2540.0.0.1
/30255.255.255.2520.0.0.3
/29255.255.255.2480.0.0.7
/28255.255.255.2400.0.0.15
/27255.255.255.2240.0.0.31
/26255.255.255.1920.0.0.63
/25255.255.255.1280.0.0.127
/24255.255.255.00.0.0.255
/23255.255.254.00.0.1.255
/22255.255.252.00.0.3.255
/21255.255.248.00.0.7.255
/20255.255.240.00.0.15.255
/19255.255.224.00.0.31.255
/18255.255.192.00.0.63.255
/17255.255.128.00.0.127.255
/16255.255.0.00.0.255.255
/15255.254.0.00.1.255.255
/14255.252.0.00.3.255.255
/13255.248.0.00.7.255.255
/12255.240.0.00.15.255.255
/11255.224.0.00.31.255.255
/10255.192.0.00.63.255.255
/9255.128.0.00.127.255.255
/8255.0.0.00.255.255.255
/7254.0.0.01.255.255.255
/6252.0.0.03.255.255.255
/5248.0.0.07.255.255.255
/4240.0.0.015.255.255.255
/3224.0.0.031.255.255.255
/2192.0.0.063.255.255.255
/1128.0.0.0127.255.255.255
/00.0.0.0255.255.255.255

Related Posts