What is 192.168.100.1

192.168.100.1 is one of the private IP Address from the pool of private IP Addresses assigned for accessing the networking equipments on private networks. They are not unique across the globe and can be repeated in different networks at the same time.

What is a Private IP Address

Early network design, when global end-to-end connectivity was envisioned for communications with all Internet hosts, intended that IP addresses be uniquely assigned to a particular computer or device. However, it was found that this was not always necessary as private networks developed and public address space needed to be conserved.

Computers not connected to the Internet, such as factory machines, routers and other networking rquipments that communicate only with each other via TCP/IP, need not have globally-unique IP addresses. Three ranges of IPv4 addresses for private networks have been reserved. These addresses are not routed on the Internet and thus their use need not be coordinated with an IP address registry.

Today, when needed, such private networks typically connect to the Internet through network address translation (NAT).

IANA-reserved private IPv4 network ranges
Start End No. of addresses
24-bit Block (/8 prefix, 1 × A) 10.0.0.0 10.255.255.255 16777216
20-bit Block (/12 prefix, 16 × B) 172.16.0.0 172.31.255.255 1048576
16-bit Block (/16 prefix, 256 × C) 192.168.0.0 192.168.255.255 65536

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192.168.100.1 Router Passwords and Login Details

Many of the manufacturers of broadband routers and modems user 102.168.100.1 as the default IP address during the configuration of their devices. You can access the settings page of these devices through this IP. The default username, passwords and login details of some of the popular routers are as given below.

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