• 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 ec2-54-147-158-215.compute-1.amazonaws.* on 1st October 2016 @ 15:36 Mexico customer-189-217-221-98.cablevision.net.* on 1st October 2016 @ 15:17 Unknown baiduspider-180-76-15-153.crawl.baidu.* on 1st October 2016 @ 12:29 Unknown pool-100-36-21-125.washdc.fios.* on 1st October 2016 @ 11:35 United States 40.77.163.* on 1st October 2016 @ 11:23 United States msnbot-40-77-167-37.search.msn.* on 1st October 2016 @ 12:11 United States 8.21.198.* on 1st October 2016 @ 10:52 Venezuela 190-205-236-56.dyn.dsl.* on 1st October 2016 @ 10:06 Unknown 46.161.9.* on 1st October 2016 @ 9:50 Japan v133-130-63-178.a01a.g.* on 1st October 2016 @ 9:00 United States 204.79.180.* on 1st October 2016 @ 8:50 United States 72-28-252-068-dhcp.gsv.md.* on 1st October 2016 @ 8:50 United States ec2-52-3-105-23.compute-1.amazonaws.* on 1st October 2016 @ 8:03 Unknown tricolor-lipeck.ru..* on 1st October 2016 @ 14:36 Poland ayk188.neoplus.adsl.* on 1st October 2016 @ 6:50 Unknown broadband-5-228-35-80.nationalcablenetworks.ru.* on 1st October 2016 @ 6:06 United Kingdom cpc94104-newt38-2-0-cust756.19-3.cable.* on 1st October 2016 @ 6:03 Unknown baiduspider-180-76-15-28.crawl.baidu.* on 1st October 2016 @ 5:29 United States msnbot-207-46-13-159.search.msn.* on 1st October 2016 @ 4:46 Australia CPE-120-148-49-223.gdfw1.lon.* on 1st October 2016 @ 4:29 Australia ppp118-209-92-62.bras1.mel11.* on 1st October 2016 @ 1:15 Unknown 180.181.73.* on 1st October 2016 @ 1:11 United States proxy-ams-144.att.com.* on 1st October 2016 @ 0:42 United States crawl-66-249-79-62.googlebot.com.* on 30th September 2016 @ 22:49 United States rate-limited-proxy-72-14-199-62.google.com.* on 1st October 2016 @ 8:50 Unknown spider-5-255-250-23.yandex.com.* on 30th September 2016 @ 15:53 United States msnbot-157-55-39-215.search.msn.* on 1st October 2016 @ 3:35 Mexico 189.215.227.* on 30th September 2016 @ 13:27 United States msnbot-199-30-25-47.search.msn.* on 30th September 2016 @ 13:19 Unknown 46.161.9.* on 1st October 2016 @ 0:07 Unknown cable-181-133-77-108.une.net.* on 30th September 2016 @ 11:44 Unknown 179.32.238.* on 30th September 2016 @ 10:59 Unknown stj-ftth-dhcp-162-248-146-25.stjohncable.com.* on 30th September 2016 @ 10:22 Russian Federation 93-80-145-198.broadband.corbina.* on 30th September 2016 @ 9:01 Argentina host167.200-82-122.telecom.* on 30th September 2016 @ 8:25 Unknown 180-150-31-65.NBN.shepparton.* on 30th September 2016 @ 7:26 United States 168.235.197.* on 30th September 2016 @ 7:07 Canada msnbot-131-253-27-8.search.msn.* on 30th September 2016 @ 4:57 Unknown static.75.32.* on 30th September 2016 @ 4:12 Australia 112.39.2.* on 30th September 2016 @ 1:31 Unknown 104.131.61.* on 29th September 2016 @ 23:42 Mexico 201.160.135.* on 29th September 2016 @ 23:37 United States google-proxy-66-249-85-22.google.com.* on 29th September 2016 @ 21:24 Canada S0106c0a0bbc6c069.cc.shawcable.* on 29th September 2016 @ 20:26 United States rate-limited-proxy-66-249-91-39.google.com.* on 29th September 2016 @ 20:16 Singapore bb119-74-164-190.singnet.com.* on 29th September 2016 @ 20:00 Mexico dsl-189-157-69-16-dyn.prod-infinitum.com.* on 29th September 2016 @ 19:39 Spain 92.57.247.* on 30th September 2016 @ 10:27 United States ns514167.ip-167-114-156.net.* on 29th September 2016 @ 18:09 Unknown bas6-stcatharines10-3096463331.dsl.bell.* on 29th September 2016 @ 17:43 Romania 86.123.245.* on 29th September 2016 @ 16:33 Mexico dsl-189-247-12-116-dyn.prod-infinitum.com.* on 29th September 2016 @ 16:19