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  1. What range of IP addresses is represented by the CIDR block …

    Thus this block represents the IP addresses from 172.16.0.0 to 172.31.255.255. The netid is 1010 1010 0001 and the CIDR block contains 2^20 addresses.* I fully understand that the CIDR block has 2^20 …

  2. What does an IP Address with CIDR represent precisely?

    Oct 31, 2021 · If someone only wants to know the host IP address, you would instead say 172.16.0.10 or 172.16.0.10/32. There’s really no purpose to telling someone a mask or CIDR notation if they only …

  3. nat - Why isn't 10.0.0.0/8 used instead of 192.168.0.0/16 for private ...

    Jul 4, 2019 · In our company we use 172.16.0.0/12 for historical reasons, with /24 subnets. When setting up something new I very often have to adjust the default /16 mask to /24.

  4. How to tell if an ipv4 address is public or private? - network

    Sep 14, 2021 · 172.16.0.0/12 IP addresses: 172.16.0.0 – 172.31.255.255 192.168.0.0/16 IP addresses: 192.168.0.0 – 192.168.255.255 My doubt is Should private addresses be only from the above …

  5. How to divide an IPv4 network into subnets of different sizes as ...

    I need to divide a network 172.16.0.0/12 into 3 different subnets for different purposes. One of them needs 6 host addresses, another 85 host addresses and the last 100 host addresses.

  6. How do you calculate the prefix, network, subnet, and host numbers?

    10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 You are free to use any or all the Private IP addressing in your own private network, but you cannot use any addresses in any of the three Private address ranges …

  7. ipv4 - Finding the network and host address, and maximum number of …

    A subnet of an IP network has a range of IP host address from 172.19.40.1 to 172.19.47.254. What is the maximum number of host addresses that can exist on this subnetwork?

  8. ipv4 - How to check for a valid public IP address? - Network ...

    @MikePennington - for a private network using puplic IPv4 addresses that are actually in use outside of the private network (ie: the internet), how would someone inside the private network reach a public …

  9. ipv4 - Network Engineering Stack Exchange

    Jun 22, 2020 · 2 Don't do that! 172.32.0.0/11 is assigned to T-Mobile. It's announced to the DFZ (since 2012) and most likely in use for real Internet traffic. If you squat on that address space, some portion …

  10. why private ip address need to use specific CIDR prefixs as /8, /12 ...

    "The Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of the IP address space for private internets: 10.0.0.0 - 10.255.255.255 (CIDR block: 10.0.0.0/8...