asn ip address

650) this.width=650; "src=" http://imga.chrome001.com/article/201603/24/2145032eeekhcvevwinciu.png "border=" 0 " Class= "Shadow" alt= "My IP Address" style= "border:0px;vertical-align:middle;margin-bottom:0px;"/>Plugin Introduction:Many times we

1. For rails, the mainstream method should be to use the Google library plug-in geoip GitHub address: https://github.com/simplificator/geoip   Require 'geoip' geoip. new ('geolitecity. dat '). country ('www. atlanta. SK ') => ["www. atlanta. SK

1. Three-time Handshake protocolIn the TCP/IP protocol, the TCP protocol provides a reliable connection service with a three-time handshake to establish a connection.First handshake: When a connection is established, the client sends a SYN packet

Key minutesIP Protocol Note IP (Internet Protocol)IP addresses (IP address)Subnet mask (subnet mask)IP routing (IP router)IP 5 class RangeClass A 1-26Class B 128-191Class C 192-223Class D 224-239 Multicast (multicast)Class E 240-254 scientific

First look at the chart below to try to show the location of different TCP/IP and other protocols in the original OSI model 7 Application Layer such as HTTP, SMTP, SNMP, FTP, Telnet, SIP, SSH, NFS, RTSP, XMPP, Whois,

1 , standard network hierarchyThe network is divided from bottom to top: physical layer, Data link layer, network layer, transport layer, Session layer, presentation layer and application layer.The following diagram attempts to show the location of

Use GeoIP2 to analyze visitors' IP addresses to obtain geographical location information. Link: http://blog.csdn.net/johnnycode/article/details/42028841 MaxMind GeoIP2 is widely used to identify locations and other features of Internet users, this

There are two ways to configure a Nortel Networks router. One is to use a PC or terminal to configure the port (Console) of the Nortel Networks router; one is to use the Telnet command on the network and use the GUI router configuration software

Install BGP router in CentOS How to simply use Quagga to turn the CentOS system into an uncompromising OSPF router is introduced. Quagga is an open source routing software suite. In this tutorial, I will focus onHow to change a Linux system into a

Do you want to use a BGP router? Use CentOS as In the previous tutorial, I introduced how to use Quagga to convert the CentOS system into an OSPF router without compromise. Quagga is an open source routing software suite. In this tutorial, I will