how many bits in ipv4 address

1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.Linq;4 usingSystem.Net;5 usingsystem.web;6 7 namespaceFxbvt_team.checkfilepath8 {9 Public classipnetworkingTen { One Public Static stringGetip4address (stringhostaddress) A { - stringIp4address =String.Empty; - the foreach(IPAddress IPAinchdns.gethostaddresses (hostaddress)) - { - if(IPA. addressfamily.tostring () = ="Internetwork") - { +Ip4

Some time ago I wrote a blog post titled C # differences between obtaining local IP addresses in xp, win7, and win8, later, we found that the above method is incorrect for the win8 system when the network is disconnected, and the system will prompt that the access is out of bounds. Now, the latest code is posted. This Code is applicable to xp, win7, and win8. As we all know, both Windows 8 and Windows 8 support IPv6, so we cannot use the previous method. Static void Main (string [] args) {stri

Some time ago I wrote a blog post titled C # differences between obtaining local IP addresses in XP, win7, and Win8, later, we found that the above method is incorrect for the Win8 system when the network is disconnected, and the system will prompt that the access is out of bounds. Paste the latestCodeThis Code is applicable to XP, win7, and Win8. As we all know, both Windows 8 and Windows 8 support IPv6, so we cannot use the previous method. Static void main (string [] ARGs) {string hostname

The following exception was encountered while working with CIDR: A = IPAddress. Ipv4network (' 10.75.74.188/24 ') Traceback (most recent call last): File " There is no denying the fact that the address is not reasonable. But after the code has spelled out the address, the main purpose is to take the netmask, so it doesn't care about the IP part at all. By studying the document, we can see the followin

The friend who prepares to go to graduate examination today asks me a question: The CPU has 20 address lines and 32 data lines, ask what is the range of byte addressing and word addressing respectively. At first thought, a word of 4 bytes, one address 2^20 word, that is, one address 2^22 bytes. was sent to him. But he told me that the Tian Qin forum in the ex

Pro with EV SSL certificate, the most stringent domain ownership and enterprise identity verification, belongs to the highest level of trust, the highest security level of EV SSL certificate, the certificate can make the address bar into a high security green, and in the address bar display your company's name, increase the registered volume of online users. SGC (server gating Technology) enforces a minimum