IPv4 addresses are 32-bit numbers represented as four 8-bit octets. Subnetting divides large IP addresses into smaller networks called subnets. Subnet masks filter IP addresses into network and host parts
Users report issues with IPv4 connectivity while IPv6 works fine. Problem occurs when device receives only IPv4 or IPv6 address
Getsockopt error prevents Minecraft server connections. Error appears as "Connection timed out" or "connection refused: getsockopt"
CIDR represents the number of continuous bits of 1s in IP binary notation. Network address is obtained by ANDing IP and network mask. Broadcast address is obtained by ORing IP with mask length part
IP is a protocol that enables devices to communicate over networks. Every device on the Internet is assigned a unique IP address. Data packets are broken down into smaller chunks for routing
IPv4 is the first standalone version of Internet Protocol. First deployed on SATNET in 1982 and ARPANET in 1983. Uses 32-bit addresses providing 4.29 billion unique addresses. Operates on best-effort delivery model without guaranteed delivery