Alt Ağ Maskesi (Subnet Mask Tablosu) anlamları aşağıda sunulmuştur.
CIDR
Alt Ağ Maskesi
WildCard Maskesi
# IP Adresleri
# Kullanılabilir IP Adresleri
/32
255.255.255.255
0.0.0.0
1
1
/31
255.255.255.254
0.0.0.1
2
2*
/30
255.255.255.252
0.0.0.3
4
2
/29
255.255.255.248
0.0.0.7
8
6
/28
255.255.255.240
0.0.0.15
16
14
/27
255.255.255.224
0.0.0.31
32
30
/26
255.255.255.192
0.0.0.63
64
62
/25
255.255.255.128
0.0.0.127
128
126
/24
255.255.255.0
0.0.0.255
256
254
/23
255.255.254.0
0.0.1.255
512
510
/22
255.255.252.0
0.0.3.255
1,024
1,022
/21
255.255.248.0
0.0.7.255
2,048
2,046
/20
255.255.240.0
0.0.15.255
4,096
4,094
/19
255.255.224.0
0.0.31.255
8,192
8,190
/18
255.255.192.0
0.0.63.255
16,384
16,382
/17
255.255.128.0
0.0.127.255
32,768
32,766
/16
255.255.0.0
0.0.255.255
65,536
65,534
/15
255.254.0.0
0.1.255.255
131,072
131,070
/14
255.252.0.0
0.3.255.255
262,144
262,142
/13
255.248.0.0
0.7.255.255
524,288
524,286
/12
255.240.0.0
0.15.255.255
1,048,576
1,048,574
/11
255.224.0.0
0.31.255.255
2,097,152
2,097,150
/10
255.192.0.0
0.63.255.255
4,194,304
4,194,302
/9
255.128.0.0
0.127.255.255
8,388,608
8,388,606
/8
255.0.0.0
0.255.255.255
16,777,216
16,777,214
/7
254.0.0.0
1.255.255.255
33,554,432
33,554,430
/6
252.0.0.0
3.255.255.255
67,108,864
67,108,862
/5
248.0.0.0
7.255.255.255
134,217,728
134,217,726
/4
240.0.0.0
15.255.255.255
268,435,456
268,435,454
/3
224.0.0.0
31.255.255.255
536,870,912
536,870,910
/2
192.0.0.0
63.255.255.255
1,073,741,824
1,073,741,822
/1
128.0.0.0
127.255.255.255
2,147,483,648
2,147,483,646
/0
0.0.0.0
255.255.255.255
4,294,967,296
4,294,967,294
* /31, bu tür alt ağ maskesine sahip ağların noktadan noktaya bağlantı olarak iki IP adresi atayabildiği RFC 3021’de ayrıntılı olarak açıklanan özel bir durumdur.
Burada alt ağ maskesi ve joker karakter sekizlileri için ondalıktan ikiliye dönüşümlerin bir tablosu:
Türkiye (Türkçe)
Birleşik Krallık (English)
Almanya (German)
Rusya Federasyonu (Russian)
İran, İslam Cumhuriyeti (Arabic)
