US IP address CIDR
CIDR and IP Addresses in the USA
US IP Addresses & CIDR: An IP (Internet Protocol) address is a number that uniquely identifies any device connected on the same network or over the internet. It enables communication between devices. IP addresses can be IPv4 or IPv6 IP address.
What is an IP Address?
- IPv4: An older version of the Internet Protocol that uses a 32 bit address, written as four numbers separated by dots (e.g., 192.168.1.1). However, IPv4 addresses are being depleted as more and more devices have gotten onto the internet.
- IPv6- It is the next generation of IP and is 128 bits address unsing eight groups of four hexadecimal digits separated by colons (example 2001:0db8:85a3:0000:0000:8a2e:0370:7334). To overcome the limitations of IPv4, IPv6 has a much larger address space.
What is CIDR?
- CIDR is a method for assigning IP-address using the available space of addresses in a much more efficient way. It replaces the rigid old class-based system (Class A, Class B, Class C) with a more streamlined approach.
- CIDR represents an IP address as a pair of values: a network prefix and a host identifier. In a CIDR, the network prefix is specified with a slash (/) followed by an integer. Example: 192.168.1.0/24 – The first 24 bits are Network and this gives you the 8 bits for your host addresses
IP Address Ranges in the USA
The USA has so millions of IPs shared by several organizations, ISPs, and individuals. Now, we cannot enumerate all the ranges IP address that are being used in the USA, but here are some of them у РУБОНА дза кторник.
- Ranger Allocated By ISP: ISPs are being assigned a number of big worshipers and these worshipers go to their customers. These ranges can be large and come in a variety of sizes and formats.
- Corporate Networks: Big companies have their own private a lot of IP addresses on the ranges like 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16
- US Government Networks: US government agencies have their own IP address ranges, but these are not a matter of public record (and for good reason!).
- Datacenter: Datacenters such as those owned by cloud service providers ( e.g. Amazon Web Services (AWS), Google Cloud Platform (GCP) and Microsoft Azure ) contain vast number of servers which require large address spaces to have unique IPs.
How to get IP Address Ranges
For IP address range for an organization or a region use:
- Whois Lookup: A whois lookup is an online utility for querying a domain name or IP address. If you directional error an IP in a Whois lookup, you’ll often seen and then organization responsible for that IP range.
- IP Geolocation Databases: These databases provide you with location details for an IP an example would be country, region and city.
- Network Scanners: This type of network scanning tools will scan the network and discover active IP addresses with various information about devices connected to them.
What makes IP Addressing and CIDR necessary?
Knowledge of TCP/UDP, IP addresses and CIDR is essential for:
- Network Security: to discover new threats and vulnerabilities in network security.
- Network Administration: to handle network administrators in assistant for mange and configuration of network devices.
- Network Troubleshooting: for troubleshooting network problems.
- Internet Routing use IR to route internet traffic;
With the fundamentals of IP address and CIDR in your pocket, you can understand internet behaviour and data delivery across continents.
Would you like to delve deeper on a particular aspect of IP addresses or CIDR? Here are some topics:
- IPv6 Addressing
- NAT (Network Address Translation)
- IP routing protocols
- IP Security (IPsec)
- IP address management (IPAM)
Ask away.
