• Another name for a computer on a TCP/IP network is: Host
• The Internet was originally called: ARPAnet
• Other names for hardware address are: MAC, Ethernet, physical, or NIC
• Software utility which uses ICMP is Ping
• The hardware address contain 12 hexadecimal characters
• The two protocols at the Transport layer are TCP (Transmission Control Protocol) and UDP (User Datagram Protocol)
• The name of the process that TCP uses to set up a connection is Three-way handshake
• The benefit of UDP is that UDP can transfer data faster.
• The benefit of TCP is that TCP guarantees delivery of data.
• The protocol that uses a larger header is TCP and not UDP
• The purpose of a checksum is to verifies that the packet was received correctly.
• The applications listen for requests at ports
• There are 65,536 ports

You can see below detailed web site live statistic with country name, flags and ip addresses that belong to countries.

We respect privacy from our visitors and because of that IP Address and host name are not fully viewable and only last 75 visitors are displayed. If host address from visitors is known then host address will be partially visible. Othervise ip address will be partially visible.

The last 75 visitors came from:

United States ec2-34-228-143-13.compute-1.amazonaws.* on 20th February 2019 @ 1:05 Unknown modemcable070.74-160-184.mc.* on 20th February 2019 @ 0:15 United States 38.126.157.* on 20th February 2019 @ 0:04 Colombia 1901422817.ip5.static.* on 19th February 2019 @ 22:40 Unknown 185.230.125.* on 19th February 2019 @ 22:35 United Kingdom 23.101.169.* on 19th February 2019 @ 22:44 France 195.154.122.* on 19th February 2019 @ 21:41 United Kingdom host-87-242-198-89.static.onetel.* on 19th February 2019 @ 19:16 Unknown net45-178.perm.ertelecom.* on 19th February 2019 @ 19:12 Unknown 37-145-187-107.broadband.corbina.* on 19th February 2019 @ 18:28 France 195.154.122.* on 19th February 2019 @ 18:16 Italy 93-34-230-242.ip51.fastwebnet.* on 19th February 2019 @ 18:03 Uruguay proxy1-ext.brou.com.* on 19th February 2019 @ 16:46 Czech Republic dev1.szn.cz.* on 19th February 2019 @ 16:42 Unknown 104-163-182-92.qc.cable.* on 19th February 2019 @ 22:00 Czech Republic fulltextrobot-77-75-77-101.seznam.cz.* on 19th February 2019 @ 6:04 France 195.154.123.* on 19th February 2019 @ 5:37 United States 145.144.237.* on 19th February 2019 @ 4:33 United States msnbot-40-77-195-150.search.msn.* on 19th February 2019 @ 4:07 Unknown baiduspider-180-76-15-141.crawl.baidu.* on 19th February 2019 @ 3:01 United States crawl-66-249-66-141.googlebot.com.* on 19th February 2019 @ 0:45 Greenland host-88-83-15-159.adsl.gl.* on 19th February 2019 @ 0:12 United Kingdom 139.45.90.* on 19th February 2019 @ 0:12 United States crawl-66-249-66-148.googlebot.com.* on 19th February 2019 @ 0:05 Guatemala 163.43.148.* on 18th February 2019 @ 23:11 United States 93.91.227.* on 18th February 2019 @ 22:15 United States 167.0.154.* on 18th February 2019 @ 21:42 Unknown 178-154-200-45.spider.yandex.* on 18th February 2019 @ 21:18 Unknown 174-18-0-167.tcso.qwest.* on 18th February 2019 @ 21:17 Mexico customer-VBVO-183-42.megared.net.* on 18th February 2019 @ 19:38 France 195.154.122.* on 18th February 2019 @ 16:16 France 195.154.123.* on 19th February 2019 @ 3:19 Unknown 5x166x199x173.dynamic.nn.* on 18th February 2019 @ 13:14 United States msnbot-40-77-192-239.search.msn.* on 18th February 2019 @ 12:07 Unknown baiduspider-180-76-15-136.crawl.baidu.* on 18th February 2019 @ 10:17 Unknown 172.111.129.* on 18th February 2019 @ 8:47 United Kingdom 132.232.70.* on 18th February 2019 @ 6:36 Australia 60-242-188-227.tpgi.com.* on 18th February 2019 @ 5:51