📖 Slides
🔢 IP Analyzer
💡 Binario Visual
❓ Quiz
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Avanti →
🔢 IP Class Analyzer
Inserisci un indirizzo IP e scopri classe, tipo, range e subnet mask
📊 Tabella Classi
Classe
Ottetto
Range
Mask
Host/rete
A
1-126
1.0.0.0 — 126.255.255.255
/8
~16M
B
128-191
128.0.0.0 — 191.255.255.255
/16
~65K
C
192-223
192.0.0.0 — 223.255.255.255
/24
254
D
224-239
Multicast
N/A
N/A
E
240-255
Riservato
N/A
N/A
🏠 IP Privati (RFC 1918)
10.0.0.0/8
Classe A privata — ~16M host
172.16.0.0/12
Classe B — 172.16-31.x.x
192.168.0.0/16
Classe C — 256 reti, 254 host
💡 10.x, 172.16-31.x, 192.168.x →
privato
. Resto →
pubblico
.
🔧 Indirizzi Speciali
127.0.0.0/8 — Loopback
127.0.0.1 = localhost. Non esce dalla macchina.
169.254.0.0/16 — APIPA
DHCP fallito → IP auto. Link-local.
0.0.0.0/0 — Default Route
"Qualsiasi rete". Default gateway.
255.255.255.255 — Broadcast
Tutti gli host nella LAN.
🛠️ Apri IP Converter
💡 IPv4 in Binario
32 bit = 4 ottetti × 8 bit — arancione=rete, cyan=host
🔢 Potenze di 2
🧮 Network & Broadcast
Network Address
Bit host tutti a
0
. Es: 192.168.1.
0
/24
Broadcast Address
Bit host tutti a
1
. Es: 192.168.1.
255
/24
💡 Host = 2
n
− 2. /24=254, /25=126, /26=62, /27=30, /28=14, /30=2.
❓ Quiz — IPv4 & Classi
10 domande
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