{"id":16,"date":"2006-04-11T11:10:33","date_gmt":"2006-04-11T10:10:33","guid":{"rendered":"http:\/\/www.galhano.com\/blog\/?p=16"},"modified":"2006-04-11T11:10:33","modified_gmt":"2006-04-11T10:10:33","slug":"enderecamento-ip","status":"publish","type":"post","link":"http:\/\/galhano.com\/blog\/?p=16","title":{"rendered":"Endere\u00c3\u00a7amento IP"},"content":{"rendered":"

IP Address Class Network and Host Capacities<\/font><\/b><\/p>\n\n\n\n\n\n
IP Address Class<\/font><\/td>\nTotal # Of Bits For<\/p>\n

Network ID \/ Host ID<\/font><\/td>\n

First Octet of IP Address<\/font><\/td>\n# Of Network ID Bits Used<\/p>\n

To Identify Class<\/font><\/td>\n

Usable # Of Network ID<\/p>\n

Bits<\/font><\/td>\n

Number of Possible Network<\/p>\n

IDs<\/font><\/td>\n

# Of Host IDs Per Network<\/p>\n

ID<\/font><\/td>\n<\/tr>\n

<\/p>\n

Class A<\/font><\/b><\/td>\n

8 \/ 24<\/font><\/td>\n\n

0<\/font><\/b>xxx<\/p>\n

xxxx<\/font><\/font><\/td>\n

1<\/font><\/td>\n8-1 = 7<\/font><\/td>\n27<\/sup>-2 = 126<\/font><\/td>\n\n

224<\/sup>-2 =<\/p>\n

16,277,214<\/font><\/td>\n<\/tr>\n

<\/p>\n

Class<\/p>\n

B<\/font><\/b><\/td>\n

16 \/<\/p>\n

16<\/font><\/td>\n

\n

10<\/font><\/b>xx<\/p>\n

xxxx<\/font><\/font><\/td>\n

2<\/font><\/td>\n16-2<\/p>\n

= 14<\/font><\/td>\n

214<\/sup><\/p>\n

= 16,384<\/font><\/td>\n

\n

216<\/sup>-2 =<\/p>\n

65,534<\/font><\/td>\n<\/tr>\n

<\/p>\n

Class<\/p>\n

C<\/font><\/b><\/td>\n

24 \/<\/p>\n

8<\/font><\/td>\n

\n

110<\/font><\/b>x<\/p>\n

xxxx<\/font><\/font><\/td>\n

3<\/font><\/td>\n24-3<\/p>\n

= 21<\/font><\/td>\n

221<\/sup><\/p>\n

= 2,097,152<\/font><\/td>\n

28<\/sup>-2<\/p>\n

= 254<\/font><\/td>\n<\/tr>\n<\/table>\n

    \n
  • Se o 1\u00c2\u00ba bit \u00c3\u00a9 um “0”, trata-se de um endere\u00c3\u00a7o Classe A\n

    <\/font><\/li>\n

  • Se o 2\u00c2\u00ba bit \u00c3\u00a9 um “0”, trata-se de um endere\u00c3\u00a7o Classe B\n

    <\/font><\/li>\n

  • Se o 3\u00c2\u00ba bit \u00c3\u00a9 um “0”, trata-se de um endere\u00c3\u00a7o Classe C\n

    <\/font><\/li>\n

  • Se o 4\u00c2\u00ba bit \u00c3\u00a9 um “0”, trata-se de um endere\u00c3\u00a7o Classe D, (metade do restante, ou um d\u00c3\u00a9cima sexta do espa\u00c3\u00a7o de endere\u00c3\u00a7o.) Se for um “1”, \u00c3\u00a9 um endere\u00c3\u00a7o da classe E. (a outra metade, um d\u00c3\u00a9cima sexta.)\n

    <\/font><\/li>\n<\/ul>\n\n\n\n\n\n\n\n
    IP Address Class<\/font><\/td>\nFirst Octet of IP Address<\/font><\/td>\n\n

    Address<\/font><\/p>\n

    Lowest<\/p>\n

    Value of First Octet (binary)<\/font><\/td>\n

    		Highest Value of First<\/p>\n

    Octet (binary)<\/font><\/td>\n

    		Range of First Octet<\/p>\n

    Values (decimal)<\/font><\/td>\n

    		Octets in Network ID \/<\/p>\n

    Host ID<\/font><\/td>\n

    		Theoretical IP Address<\/p>\n

    Range<\/font><\/td>\n<\/tr>\n

    <\/p>\n

    Class A<\/b><\/font><\/td>\n

    		\n

    <\/p>\n

    0<\/font><\/b><\/font>xxx xxxx<\/font><\/td>\n

    		\n

    <\/p>\n

    0<\/font><\/b><\/font>000 0001<\/font><\/td>\n

    		\n

    <\/p>\n

    0<\/font><\/b><\/font>111 1110<\/font><\/td>\n

    		1 to<\/p>\n

    126<\/font><\/td>\n

    		1 \/ 3<\/font><\/td>\n\n

    <\/p>\n

    1<\/font><\/b><\/font>.0.0.0<\/p>\n

    to <\/font>126<\/b><\/font><\/font>.255.255.255<\/font><\/td>\n<\/tr>\n

    <\/p>\n

    Class <\/font><\/b><\/font><\/p>\n

    B<\/font><\/b><\/td>\n

    		\n

    <\/p>\n

    10<\/font><\/b><\/font>xx xxxx<\/font><\/td>\n

    		\n

    <\/p>\n

    10<\/font><\/b><\/font>00 0000<\/font><\/td>\n

    		\n

    <\/p>\n

    10<\/font><\/b><\/font>11 1111<\/font><\/td>\n

    		128<\/p>\n

    to 191<\/font><\/td>\n

    		2 \/ 2<\/font><\/td>\n\n

    <\/p>\n

    128.0<\/font><\/b><\/font>.0.0<\/p>\n

    to <\/font>191.255<\/b><\/font><\/font>.255.255<\/font><\/td>\n<\/tr>\n

    <\/p>\n

    Class <\/font><\/b><\/font><\/p>\n

    C<\/font><\/b><\/td>\n

    		\n

    <\/p>\n

    110<\/font><\/b><\/font>x xxxx<\/font><\/td>\n

    		\n

    <\/p>\n

    110<\/font><\/b><\/font>0 0000<\/font><\/td>\n

    		\n

    <\/p>\n

    110<\/font><\/b><\/font>1 1111<\/font><\/td>\n

    		192<\/p>\n

    to 223<\/font><\/td>\n

    		3 \/ 1<\/font><\/td>\n\n

    <\/p>\n

    192.0.0<\/font><\/b><\/font>.0<\/p>\n

    to <\/font>223.255.255<\/b><\/font><\/font>.255<\/font><\/td>\n<\/tr>\n

    <\/p>\n

    Class <\/font><\/b><\/font><\/p>\n

    E<\/font><\/b><\/td>\n

    		\n

    <\/p>\n

    1110<\/font><\/b><\/font> xxxx<\/font><\/td>\n

    		\n

    <\/p>\n

    1110<\/font><\/b><\/font> 0000<\/font><\/td>\n

    		\n

    <\/p>\n

    1110<\/font><\/b><\/font> 1111<\/font><\/td>\n

    		224<\/p>\n

    to 239<\/font><\/td>\n

    		–<\/font><\/td>\n<\/p>\n

    224.0.0.0 to 239.255.255.255<\/font><\/td>\n<\/tr>\n

    <\/p>\n

    Class <\/font><\/b><\/font><\/p>\n

    D<\/font><\/b><\/td>\n

    		\n

    <\/p>\n

    1111<\/font><\/b><\/font> xxxx<\/font><\/td>\n

    		\n

    <\/p>\n

    1111<\/font><\/b><\/font> 0000<\/font><\/td>\n

    		\n

    <\/p>\n

    1111<\/font><\/b><\/font> 1111<\/font><\/td>\n

    		240<\/p>\n

    to 255<\/font><\/td>\n

    		–<\/font><\/td>\n<\/p>\n

    240.0.0.0 to 255.255.255.255<\/font><\/td>\n<\/tr>\n<\/table>\n

    IP Address Classes and Class Characteristics and Uses<\/font><\/b><\/p>\n\n\n\n\n\n\n\n
    IP Address Class<\/font><\/td>\nFraction of Total IP<\/p>\n

    Address Space<\/font><\/td>\n

    		Number Of Network ID Bits<\/font><\/td>\nNumber Of Host ID Bits<\/font><\/td>\nIntended Use<\/font><\/td>\n<\/tr>\n
    Class A<\/b><\/font><\/td>\n1\/2<\/font><\/td>\n8<\/font><\/td>\n24<\/font><\/td>\nUnicast addressing for <\/p>\n

    very large organizations<\/font><\/b> with hundreds<\/p>\n

    of thousands or millions of hosts to connect to the Internet.<\/font><\/td>\n<\/tr>\n

    Class <\/b><\/font><\/p>\n

    B<\/font><\/b><\/td>\n

    		1\/4<\/font><\/td>\n16<\/font><\/td>\n16<\/font><\/td>\nUnicast addressing for <\/p>\n

    medium-to-large organizations<\/font><\/b> with many<\/p>\n

    hundreds to thousands of hosts to connect to the Internet.<\/font><\/td>\n<\/tr>\n

    Class <\/b><\/font><\/p>\n

    C<\/font><\/b><\/td>\n

    		1\/8<\/font><\/td>\n24<\/font><\/td>\n8<\/font><\/td>\nUnicast addressing for <\/p>\n

    smaller organizations<\/font><\/b> with no more than<\/p>\n

    about 250 hosts<\/font><\/b> to connect to the<\/p>\n

    Internet.<\/font><\/td>\n<\/tr>\n

    Class <\/b><\/font><\/p>\n

    D<\/font><\/b><\/td>\n

    		1\/16<\/font><\/td>\nn\/a<\/font><\/td>\nn\/a<\/font><\/td>\nIP multicasting.<\/font><\/td>\n<\/tr>\n
    Class <\/b><\/font><\/p>\n

    E<\/font><\/b><\/td>\n

    		1\/16<\/font><\/td>\nn\/a<\/font><\/td>\nn\/a<\/font><\/td>\nReserved for \u00e2\u20ac\u0153experimental use\u00e2\u20ac?.<\/font><\/td>\n<\/tr>\n<\/table>\n

    mais info aqui<\/font><\/p>\n","protected":false},"excerpt":{"rendered":"

    IP Address Class Network and Host Capacities IP Address Class Total # Of Bits For Network ID \/ Host ID First Octet of IP Address # Of Network ID Bits Used To Identify Class Usable # Of Network ID Bits Number of Possible Network IDs # Of Host IDs Per Network ID Class A 8 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"close","ping_status":"close","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-16","post","type-post","status-publish","format-standard","hentry","category-networking","author-admin"],"_links":{"self":[{"href":"http:\/\/galhano.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/16","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/galhano.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/galhano.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/galhano.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/galhano.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16"}],"version-history":[{"count":0,"href":"http:\/\/galhano.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/16\/revisions"}],"wp:attachment":[{"href":"http:\/\/galhano.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/galhano.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/galhano.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}