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Questions tagged [ipv4]

Refers to the 4th revision of the Internet Protocol, where addresses are usually displayed in the form of dotted decimals between 0-255. Ex: 169.254.0.1

The IP address of a device is its unique identifier on a network which allows communication with that device.

Given the fact that only 2^32 IPs are available, number which is already depleted, its successor (IPv6) has officially taken over on 6 June 2012.

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How to add IPV4 range to unmanaged server

I am really inexperienced with Linux and networking. I bought an unmanaged dedicated server running ubuntu 16.04. I am having problems with binding the ipv4/24 range with my dedicated server. How would I bind/add my IP range to my dedicated server?
jjboi8708
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How to route leased IPv4?

What I want to do is rent a dedicated server, install centos on it and route a /24 ipv4 to it I think it's cheaper than paying for hosting, how would I go about that ? Please note that i know nothing and any small detail will help
user501769
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How many anycast ips can be created per /24 net?

How many anycast ips can I create with one ipv4 /24 net? I know I need a whole /24 net to do anycast, but how many of those ips can I do with one? With a anycast ip address I mean one address for doke servers. Here an example what I mean: What I…
Florian
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Can't Bind IP Address To Machine

I have the following IPs but I can't bind them to my machine I am getting errors. Here are the IPs I own. 2607:5300:60:1234::/64 - Came with server 158.69.123.123/29 - Bought after owner server 167.114.123.123 - Came…
iloveyounginxbutyousuck
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How can I apply a firewall rule to a specific local IP?

I host gameservers and as a result have a few IPs. On the main server IP I have the game panel, other IPs are reserved for use by the gameservers I host for my customers. As a result I would like port 80 and 443 to be open only on the primary server…
AStopher
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What happens if ISPs mess up IP allocation?

I've been wondering about this for a long time but never really got around to asking it. I know that a lot of companies were initially assigned IP addresses within the /8 (Class A) range and a lot still have these addresses assigned to them (e.g.…
Reynolds
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What would be the side effect if I use network address as my IP address?

I have read at multiple places that network address is a reserved IP and is not recommended to be used as an IP address for an interface. However, I do not see any immediate error or other side effect when I tried using it. What issues I would run…
Sabu
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Connectivity of IPv6 With IPv4 host

I'm recently working on a project, in which we are provided two network one with IPv6 Connectivity only and other with IPv4 Connectivity only. These two networks are connected to each other with a switch(i.e., Cisco 4503 which also works as router)…
soni
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Specify different broadcast IPs for different Windows machines

I run some high-frequency trading software from home across multiple accounts. Sometimes during very volatile conditions, I run into issues with rate limits restricted by IP address. I was assuming I could get a batch of IP addresses, which I've…
Will Calderwood
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Packets sent in IPv4

I'm just trying to understnd how packets work. So if i hypothetically had a image of a size of 1mb which is 1,000,000 bytes and the maximum packet size for a IPv4 packet is 65,536 bytes does that mean that optimally there would be only 16 packets…
Ferroxel
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Why "my IP Address.com" is showing that I've 2 IP address?

A device is assigned unique and single IP address then why my device has 2?
defalt
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Is there public dns server that serves only ipv4 adresses?

For debug purposes I need to ensure that all hostnames resolve to ipv4 addresses. So I want to leave in /etc/resolv.conf only one dns server that will serve ipv4 only addresses. But i can't find such one. update: Final goal - redirect all traffic to…
deathnik
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First Reply on Ping is Unreachable the rest is okay

please check this weird ping i'm having What may have caused this problem
user4025978
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CentOS 6.3 - Add IP's To Eth0?

How would I go about adding 3 IP's to my eth0. When I tried the following, the whole network crashed. ifconfig eth0 192.95.22.105 netmask 255.255.255.0 gateway 198.27.64.254 How would I go about adding more IP's to my CentOS server?
user156165
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What is the IPv6 equivalent of 127.0.0.1

The IPv4 address 127.0.0.1 is for the local/current client. What is the opposite of the address in IPv6? I already searched for it, but only found ::1. Is this the correct one?
Niklas
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