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Home > Archive > CCNA > May 2004 > What you said
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| AndreMCSE 2004-05-15, 11:22 pm |
| quote:
This is in part why others in the world are so much ahead in moving to ipv6 and US still relatively comfortable with ipv4 + NAT
quote:
CIDR address that, boom bye bye class A, now there are more flexibility, instead of 3 choices /8 /16/ 24, we can assign it base on need/requirement. such as /12 which better distribute and utilize the limited ip addresses.
Could you simplfy this a little more.
Also if you get an actul IP adress for posting a web page you are given an IP address form an ISP or the People who give the ISP there addresses
Also you didn't give me this:
quote:
Internet Registry to a high-level ISP, a mid-level ISP, a lowlevel ISP
What are they and if you know who are they as in what Maijor Co. Countrys.
Also I'm have dsl and my mask is 255.0.0.0, and part of Bellsouth.net is My address from a NAT machine or can I put up a web page for people to browse to and see it.
Basicly how is the Internet set up in IP addresses. | |
| mikop 2004-05-15, 11:38 pm |
| http://www.iana.org/assignments/ipv4-address-space
http://www.faqs.org/rfcs/rfc1466.html
http://www.iana.org/
http://www.arin.net/
you get it from isp
doesn't matter what your mask is. they prolly do 255 so ppl can't be stupid.
if you have an actual ip, then yes, ppl can reach you using it. never worked for isp so don't know its internal practices regarding consumers, but even if its nat, its 1 to 1 and not PAT which is port address like most home users which requires port forwarding.
that document is very good and thorough. take your time reading it once or twice, it will pay dividend big time later on in your studies. part of the reason I like it is it goes into the history of why and how. I remember the doucment goes into detail regarding ipv4 limitation and the political aspect of eureope/asia internet usage/ip shortage etc etc. | |
| Yankee 2004-05-17, 5:34 am |
| probably 255.0.0.0 because he is looking at his internal 10 address default mask and not the isp's public address.
Yankee |
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