Last Updated: Monday, 26 May 2025 By: Steve Warner

Decimal IP Address:	2130706397	( http://2130706397 )
IP Address:	126.255.255.221/31	( 0x7EFFFFDD )
Subnet Mask:	255.255.255.254	( 0xFFFFFFFE )
Wildcard (Inverse) Mask:	0.0.0.1	( 0x00000001 )
Network Address:	126.255.255.220	( 0x7EFFFFDC )
Broadcast Address:	126.255.255.221	( 0x7EFFFFDD )
Binary IP Address:	01111110.11111111.11111111.11011101
Binary Subnet Mask:	11111111.11111111.11111111.11111110
AND
Binary Network Address:	01111110.11111111.11111111.11011100
Binary Broadcast Address:	01111110.11111111.11111111.11011101
Class of Address:	A
Number of Subnets:	8388608
Number of IP:	2
Number of Useable Hosts:	0
in-addr.arpa format:	221.255.255.126.in-addr.arpa
Hostname:	pw126255255221.9.panda-world.ne.jp
GEOIP Location:	JP - Japan
NAT64 Address:	64:FF9B::7EFF:FFDD
ISATAP Address:	FE80::0200:5EFE:7EFF:FFDD
mapped IPV4:	::ffff:7EFF:FFDD::/48
6to4:	2002:7EFF:FFDD::/48

<Prev


Subnet  Network             First Usable IP     Last Usable IP      Broadcast
0       126.255.255.0       126.255.255.1       126.255.255.0       126.255.255.1       
1       126.255.255.2       126.255.255.3       126.255.255.2       126.255.255.3       
2       126.255.255.4       126.255.255.5       126.255.255.4       126.255.255.5       
3       126.255.255.6       126.255.255.7       126.255.255.6       126.255.255.7       
4       126.255.255.8       126.255.255.9       126.255.255.8       126.255.255.9       
5       126.255.255.10      126.255.255.11      126.255.255.10      126.255.255.11      
6       126.255.255.12      126.255.255.13      126.255.255.12      126.255.255.13      
7       126.255.255.14      126.255.255.15      126.255.255.14      126.255.255.15      
8       126.255.255.16      126.255.255.17      126.255.255.16      126.255.255.17      
9       126.255.255.18      126.255.255.19      126.255.255.18      126.255.255.19      
10      126.255.255.20      126.255.255.21      126.255.255.20      126.255.255.21      
11      126.255.255.22      126.255.255.23      126.255.255.22      126.255.255.23      
12      126.255.255.24      126.255.255.25      126.255.255.24      126.255.255.25      
13      126.255.255.26      126.255.255.27      126.255.255.26      126.255.255.27      
14      126.255.255.28      126.255.255.29      126.255.255.28      126.255.255.29      
15      126.255.255.30      126.255.255.31      126.255.255.30      126.255.255.31      
16      126.255.255.32      126.255.255.33      126.255.255.32      126.255.255.33      
17      126.255.255.34      126.255.255.35      126.255.255.34      126.255.255.35      
18      126.255.255.36      126.255.255.37      126.255.255.36      126.255.255.37      
19      126.255.255.38      126.255.255.39      126.255.255.38      126.255.255.39      
20      126.255.255.40      126.255.255.41      126.255.255.40      126.255.255.41      
21      126.255.255.42      126.255.255.43      126.255.255.42      126.255.255.43      
22      126.255.255.44      126.255.255.45      126.255.255.44      126.255.255.45      
23      126.255.255.46      126.255.255.47      126.255.255.46      126.255.255.47      
24      126.255.255.48      126.255.255.49      126.255.255.48      126.255.255.49      
25      126.255.255.50      126.255.255.51      126.255.255.50      126.255.255.51      
26      126.255.255.52      126.255.255.53      126.255.255.52      126.255.255.53      
27      126.255.255.54      126.255.255.55      126.255.255.54      126.255.255.55      
28      126.255.255.56      126.255.255.57      126.255.255.56      126.255.255.57      
29      126.255.255.58      126.255.255.59      126.255.255.58      126.255.255.59      
30      126.255.255.60      126.255.255.61      126.255.255.60      126.255.255.61      
31      126.255.255.62      126.255.255.63      126.255.255.62      126.255.255.63      
32      126.255.255.64      126.255.255.65      126.255.255.64      126.255.255.65      
33      126.255.255.66      126.255.255.67      126.255.255.66      126.255.255.67      
34      126.255.255.68      126.255.255.69      126.255.255.68      126.255.255.69      
35      126.255.255.70      126.255.255.71      126.255.255.70      126.255.255.71      
36      126.255.255.72      126.255.255.73      126.255.255.72      126.255.255.73      
37      126.255.255.74      126.255.255.75      126.255.255.74      126.255.255.75      
38      126.255.255.76      126.255.255.77      126.255.255.76      126.255.255.77      
39      126.255.255.78      126.255.255.79      126.255.255.78      126.255.255.79      
40      126.255.255.80      126.255.255.81      126.255.255.80      126.255.255.81      
41      126.255.255.82      126.255.255.83      126.255.255.82      126.255.255.83      
42      126.255.255.84      126.255.255.85      126.255.255.84      126.255.255.85      
43      126.255.255.86      126.255.255.87      126.255.255.86      126.255.255.87      
44      126.255.255.88      126.255.255.89      126.255.255.88      126.255.255.89      
45      126.255.255.90      126.255.255.91      126.255.255.90      126.255.255.91      
46      126.255.255.92      126.255.255.93      126.255.255.92      126.255.255.93      
47      126.255.255.94      126.255.255.95      126.255.255.94      126.255.255.95      
48      126.255.255.96      126.255.255.97      126.255.255.96      126.255.255.97      
49      126.255.255.98      126.255.255.99      126.255.255.98      126.255.255.99      
50      126.255.255.100     126.255.255.101     126.255.255.100     126.255.255.101     
51      126.255.255.102     126.255.255.103     126.255.255.102     126.255.255.103     
52      126.255.255.104     126.255.255.105     126.255.255.104     126.255.255.105     
53      126.255.255.106     126.255.255.107     126.255.255.106     126.255.255.107     
54      126.255.255.108     126.255.255.109     126.255.255.108     126.255.255.109     
55      126.255.255.110     126.255.255.111     126.255.255.110     126.255.255.111     
56      126.255.255.112     126.255.255.113     126.255.255.112     126.255.255.113     
57      126.255.255.114     126.255.255.115     126.255.255.114     126.255.255.115     
58      126.255.255.116     126.255.255.117     126.255.255.116     126.255.255.117     
59      126.255.255.118     126.255.255.119     126.255.255.118     126.255.255.119     
60      126.255.255.120     126.255.255.121     126.255.255.120     126.255.255.121     
61      126.255.255.122     126.255.255.123     126.255.255.122     126.255.255.123     
62      126.255.255.124     126.255.255.125     126.255.255.124     126.255.255.125     
63      126.255.255.126     126.255.255.127     126.255.255.126     126.255.255.127     
64      126.255.255.128     126.255.255.129     126.255.255.128     126.255.255.129     
65      126.255.255.130     126.255.255.131     126.255.255.130     126.255.255.131     
66      126.255.255.132     126.255.255.133     126.255.255.132     126.255.255.133     
67      126.255.255.134     126.255.255.135     126.255.255.134     126.255.255.135     
68      126.255.255.136     126.255.255.137     126.255.255.136     126.255.255.137     
69      126.255.255.138     126.255.255.139     126.255.255.138     126.255.255.139     
70      126.255.255.140     126.255.255.141     126.255.255.140     126.255.255.141     
71      126.255.255.142     126.255.255.143     126.255.255.142     126.255.255.143     
72      126.255.255.144     126.255.255.145     126.255.255.144     126.255.255.145     
73      126.255.255.146     126.255.255.147     126.255.255.146     126.255.255.147     
74      126.255.255.148     126.255.255.149     126.255.255.148     126.255.255.149     
75      126.255.255.150     126.255.255.151     126.255.255.150     126.255.255.151     
76      126.255.255.152     126.255.255.153     126.255.255.152     126.255.255.153     
77      126.255.255.154     126.255.255.155     126.255.255.154     126.255.255.155     
78      126.255.255.156     126.255.255.157     126.255.255.156     126.255.255.157     
79      126.255.255.158     126.255.255.159     126.255.255.158     126.255.255.159     
80      126.255.255.160     126.255.255.161     126.255.255.160     126.255.255.161     
81      126.255.255.162     126.255.255.163     126.255.255.162     126.255.255.163     
82      126.255.255.164     126.255.255.165     126.255.255.164     126.255.255.165     
83      126.255.255.166     126.255.255.167     126.255.255.166     126.255.255.167     
84      126.255.255.168     126.255.255.169     126.255.255.168     126.255.255.169     
85      126.255.255.170     126.255.255.171     126.255.255.170     126.255.255.171     
86      126.255.255.172     126.255.255.173     126.255.255.172     126.255.255.173     
87      126.255.255.174     126.255.255.175     126.255.255.174     126.255.255.175     
88      126.255.255.176     126.255.255.177     126.255.255.176     126.255.255.177     
89      126.255.255.178     126.255.255.179     126.255.255.178     126.255.255.179     
90      126.255.255.180     126.255.255.181     126.255.255.180     126.255.255.181     
91      126.255.255.182     126.255.255.183     126.255.255.182     126.255.255.183     
92      126.255.255.184     126.255.255.185     126.255.255.184     126.255.255.185     
93      126.255.255.186     126.255.255.187     126.255.255.186     126.255.255.187     
94      126.255.255.188     126.255.255.189     126.255.255.188     126.255.255.189     
95      126.255.255.190     126.255.255.191     126.255.255.190     126.255.255.191     
96      126.255.255.192     126.255.255.193     126.255.255.192     126.255.255.193     
97      126.255.255.194     126.255.255.195     126.255.255.194     126.255.255.195     
98      126.255.255.196     126.255.255.197     126.255.255.196     126.255.255.197     
99      126.255.255.198     126.255.255.199     126.255.255.198     126.255.255.199     
100     126.255.255.200     126.255.255.201     126.255.255.200     126.255.255.201     
101     126.255.255.202     126.255.255.203     126.255.255.202     126.255.255.203     
102     126.255.255.204     126.255.255.205     126.255.255.204     126.255.255.205     
103     126.255.255.206     126.255.255.207     126.255.255.206     126.255.255.207     
104     126.255.255.208     126.255.255.209     126.255.255.208     126.255.255.209     
105     126.255.255.210     126.255.255.211     126.255.255.210     126.255.255.211     
106     126.255.255.212     126.255.255.213     126.255.255.212     126.255.255.213     
107     126.255.255.214     126.255.255.215     126.255.255.214     126.255.255.215     
108     126.255.255.216     126.255.255.217     126.255.255.216     126.255.255.217     
109     126.255.255.218     126.255.255.219     126.255.255.218     126.255.255.219     
110     126.255.255.220     126.255.255.221     126.255.255.220     126.255.255.221     
111     126.255.255.222     126.255.255.223     126.255.255.222     126.255.255.223     
112     126.255.255.224     126.255.255.225     126.255.255.224     126.255.255.225     
113     126.255.255.226     126.255.255.227     126.255.255.226     126.255.255.227     
114     126.255.255.228     126.255.255.229     126.255.255.228     126.255.255.229     
115     126.255.255.230     126.255.255.231     126.255.255.230     126.255.255.231     
116     126.255.255.232     126.255.255.233     126.255.255.232     126.255.255.233     
117     126.255.255.234     126.255.255.235     126.255.255.234     126.255.255.235     
118     126.255.255.236     126.255.255.237     126.255.255.236     126.255.255.237     
119     126.255.255.238     126.255.255.239     126.255.255.238     126.255.255.239     
120     126.255.255.240     126.255.255.241     126.255.255.240     126.255.255.241     
121     126.255.255.242     126.255.255.243     126.255.255.242     126.255.255.243     
122     126.255.255.244     126.255.255.245     126.255.255.244     126.255.255.245     
123     126.255.255.246     126.255.255.247     126.255.255.246     126.255.255.247     
124     126.255.255.248     126.255.255.249     126.255.255.248     126.255.255.249     
125     126.255.255.250     126.255.255.251     126.255.255.250     126.255.255.251     
126     126.255.255.252     126.255.255.253     126.255.255.252     126.255.255.253     
127     126.255.255.254     126.255.255.255     126.255.255.254     126.255.255.255     


Next>


        CIDR Block          Network             Broadcast           Subnet Mask         No. IP's
        126.255.255.221/32  126.255.255.221  -  126.255.255.221     255.255.255.255     1              
        126.255.255.220/31  126.255.255.220  -  126.255.255.221     255.255.255.254     2              
        126.255.255.220/30  126.255.255.220  -  126.255.255.223     255.255.255.252     4              
        126.255.255.216/29  126.255.255.216  -  126.255.255.223     255.255.255.248     8              
        126.255.255.208/28  126.255.255.208  -  126.255.255.223     255.255.255.240     16             
        126.255.255.192/27  126.255.255.192  -  126.255.255.223     255.255.255.224     32             
        126.255.255.192/26  126.255.255.192  -  126.255.255.255     255.255.255.192     64             
        126.255.255.128/25  126.255.255.128  -  126.255.255.255     255.255.255.128     128            
        126.255.255.0/24    126.255.255.0    -  126.255.255.255     255.255.255.0       256            
        126.255.254.0/23    126.255.254.0    -  126.255.255.255     255.255.254.0       512            
        126.255.252.0/22    126.255.252.0    -  126.255.255.255     255.255.252.0       1024           
        126.255.248.0/21    126.255.248.0    -  126.255.255.255     255.255.248.0       2048           
        126.255.240.0/20    126.255.240.0    -  126.255.255.255     255.255.240.0       4096           
        126.255.224.0/19    126.255.224.0    -  126.255.255.255     255.255.224.0       8192           
        126.255.192.0/18    126.255.192.0    -  126.255.255.255     255.255.192.0       16384          
        126.255.128.0/17    126.255.128.0    -  126.255.255.255     255.255.128.0       32768          
        126.255.0.0/16      126.255.0.0      -  126.255.255.255     255.255.0.0         65536          
        126.254.0.0/15      126.254.0.0      -  126.255.255.255     255.254.0.0         131072         
        126.252.0.0/14      126.252.0.0      -  126.255.255.255     255.252.0.0         262144         
        126.248.0.0/13      126.248.0.0      -  126.255.255.255     255.248.0.0         524288         
        126.240.0.0/12      126.240.0.0      -  126.255.255.255     255.240.0.0         1048576        
        126.224.0.0/11      126.224.0.0      -  126.255.255.255     255.224.0.0         2097152        
        126.192.0.0/10      126.192.0.0      -  126.255.255.255     255.192.0.0         4194304        
        126.128.0.0/9       126.128.0.0      -  126.255.255.255     255.128.0.0         8388608        
        126.0.0.0/8         126.0.0.0        -  126.255.255.255     255.0.0.0           16777216       
        126.0.0.0/7         126.0.0.0        -  127.255.255.255     254.0.0.0           33554432       
        124.0.0.0/6         124.0.0.0        -  127.255.255.255     252.0.0.0           67108864       
        120.0.0.0/5         120.0.0.0        -  127.255.255.255     248.0.0.0           134217728      
        112.0.0.0/4         112.0.0.0        -  127.255.255.255     240.0.0.0           268435456      
        96.0.0.0/3          96.0.0.0         -  127.255.255.255     224.0.0.0           536870912      
        64.0.0.0/2          64.0.0.0         -  127.255.255.255     192.0.0.0           1073741824     
        0.0.0.0/1           0.0.0.0          -  127.255.255.255     128.0.0.0           2147483648