[GTER] Endereço IP terminado em 0

[Cyronky Pimentel]

Dependendo da rede/mascará da rede podem existir endereços de host com final 0.

Em 10 de abril de 2012 16:18, Renato Fernandes
<renato.fernandes at webtraffic.com.br> escreveu:
> Bom tarde pessoal,
>
> É permitido utilizar um endereço IP válido terminado em 0?!
> Segue abaixo exemplo:
>
> [root at bsd ~]# ping gdata.youtube.com
> PING www4.l.google.com (173.194.42.0): 56 data bytes
> 64 bytes from 173.194.42.0: icmp_seq=0 ttl=57 time=37.336 ms
> 64 bytes from 173.194.42.0: icmp_seq=1 ttl=57 time=36.422 ms
> 64 bytes from 173.194.42.0: icmp_seq=2 ttl=57 time=37.548 ms
>
>
> [root at bsd ~]# dig gdata.youtube.com
>
> ; <<>> DiG 9.4.3-P3 <<>> gdata.youtube.com
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52647
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 12, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;gdata.youtube.com.             IN      A
>
> ;; ANSWER SECTION:
> gdata.youtube.com.      594     IN      CNAME   www4.l.google.com.
> www4.l.google.com.      235     IN      A       173.194.42.2
> www4.l.google.com.      235     IN      A       173.194.42.14
> www4.l.google.com.      235     IN      A       173.194.42.0
> www4.l.google.com.      235     IN      A       173.194.42.7
> www4.l.google.com.      235     IN      A       173.194.42.9
> www4.l.google.com.      235     IN      A       173.194.42.4
> www4.l.google.com.      235     IN      A       173.194.42.8
> www4.l.google.com.      235     IN      A       173.194.42.1
> www4.l.google.com.      235     IN      A       173.194.42.6
> www4.l.google.com.      235     IN      A       173.194.42.3
> www4.l.google.com.      235     IN      A       173.194.42.5
>
> ;; Query time: 1 msec
> ;; SERVER: 192.168.1.1#53(192.168.1.1)
> ;; WHEN: Tue Apr 10 11:15:28 2012
> ;; MSG SIZE  rcvd: 239
>
>
> Abs,
>
>
> Renato Fernandes
> --
> gter list    https://eng.registro.br/mailman/listinfo/gter



-- 

Cyronky Pimentel
cyronky at gmail.com