• 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 ec2-54-80-219-236.compute-1.amazonaws.* on 20th September 2018 @ 14:23 Czech Republic 77.75.74.* on 20th September 2018 @ 13:34 Unknown 108-212-137-193.lightspeed.wotnoh.* on 20th September 2018 @ 12:03 Unknown 104-163-182-92.qc.cable.* on 20th September 2018 @ 13:34 United States 165.227.117.* on 20th September 2018 @ 7:05 Unknown 183-202-77-186.enitel.net.* on 20th September 2018 @ 6:16 Mexico dsl-201-146-45-236-dyn.prod-infinitum.com.* on 20th September 2018 @ 4:31 United States msnbot-40-77-189-244.search.msn.* on 20th September 2018 @ 3:28 France barrel.pocentek.net.* on 20th September 2018 @ 2:23 Australia 111.206.222.* on 20th September 2018 @ 1:29 United Kingdom 90.253.195.* on 19th September 2018 @ 19:47 United States 144.90.102.* on 19th September 2018 @ 19:44 Unknown 181.49.188.* on 19th September 2018 @ 16:25 France 77.111.247.* on 19th September 2018 @ 15:29 Unknown cpe-174-96-5-129.neo.res.* on 19th September 2018 @ 15:18 Australia 115-166-51-98.dyn.iinet.* on 19th September 2018 @ 13:57 Spain 251.red-88-8-183.dynamicip.* on 19th September 2018 @ 13:10 United States 135.0.240.* on 19th September 2018 @ 11:41 Ukraine shunevich.naverex.kiev.* on 20th September 2018 @ 3:38 United States crawl-66-249-64-45.googlebot.com.* on 19th September 2018 @ 11:35 United Kingdom 23.101.169.* on 19th September 2018 @ 10:57 Malaysia broadband.time.net.* on 19th September 2018 @ 9:11 France 195-154-123-51.rev.poneytelecom.* on 19th September 2018 @ 7:55 United States msnbot-207-46-13-58.search.msn.* on 19th September 2018 @ 7:44 Australia ppp121-45-200-43.bras1.cbr1.* on 19th September 2018 @ 6:44 Unknown crawl10.lp.007ac9.* on 19th September 2018 @ 4:02 United States ec2-18-224-38-191.us-east-2.compute.* on 19th September 2018 @ 2:57 Unknown hn.kd.ny.* on 19th September 2018 @ 2:44 United States ec2-18-191-240-133.us-east-2.compute.* on 19th September 2018 @ 2:40 United States msnbot-40-77-188-121.search.msn.* on 19th September 2018 @ 1:35 Unknown modemcable070.74-160-184.mc.* on 19th September 2018 @ 2:16 Unknown broadband-37.204-254-81.ip.* on 18th September 2018 @ 21:31 China sogouspider-123-126-113-82.crawl.sogou.* on 18th September 2018 @ 21:02 Unknown 178-154-200-45.spider.yandex.* on 18th September 2018 @ 16:12 United States ec2-18-216-39-227.us-east-2.compute.* on 18th September 2018 @ 15:14