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acts a gatekeeper
16 bits address
68-F7-28-72-69-29
3 : assigned by company
4 : whole sellers number
5 : distributor
ip address :
ipv4 and ipv6
ip also used for public and pvt comm
192.168.1.0 (32 bit ip)
ipv6 is 128 bit ip address
classes of ip address
class a - 1 - 126 range 255.0.0.0 (10.10.1.1)
126 (254 *254*254)
126 networks / host
127.0.0.1
class A > network , host . host . host
126 networks : 16,777,214 hosts
class B > network . network . host . host
128-191 255.255.0.0
16,384 N , 65,534 H
class C > network . network . network . host
192 - 223 >255.255.255.0
2,097,152 N , 254 H
class d >multicast 224-239
class > exp >240-243
vlans ? virtual lans ? how they will connect ? where they used ?
tls / ssl ?
traceroute > used to determine paths to the target network
ip to google.com
ip (pc) > router > gateway > main madhapur > isp > google.co.in > google.com
how traceroute will work ?
nslookup ?
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