Your IP Address is 162.158.167.73
You still use IPv4 :(
More information

( ! ) Warning: fopen(countv4): failed to open stream: Permission denied in /var/www/html/ip2.php on line 22
Call Stack
#	Time	Memory	Function	Location
1	0.0006	231904	{main}( )	.../ip2.php:0
2	0.0006	232136	fopen ( )	.../ip2.php:22

( ! ) Warning: flock() expects parameter 1 to be resource, boolean given in /var/www/html/ip2.php on line 23
Call Stack
#	Time	Memory	Function	Location
1	0.0006	231904	{main}( )	.../ip2.php:0
2	0.0008	232568	flock ( )	.../ip2.php:23

( ! ) Warning: fread() expects parameter 1 to be resource, boolean given in /var/www/html/ip2.php on line 25
Call Stack
#	Time	Memory	Function	Location
1	0.0006	231904	{main}( )	.../ip2.php:0
2	0.0008	232600	fread ( )	.../ip2.php:25

( ! ) Warning: ftruncate() expects parameter 1 to be resource, boolean given in /var/www/html/ip2.php on line 26
Call Stack
#	Time	Memory	Function	Location
1	0.0006	231904	{main}( )	.../ip2.php:0
2	0.0009	232896	ftruncate ( )	.../ip2.php:26

( ! ) Warning: fseek() expects parameter 1 to be resource, boolean given in /var/www/html/ip2.php on line 27
Call Stack
#	Time	Memory	Function	Location
1	0.0006	231904	{main}( )	.../ip2.php:0
2	0.0009	232896	fseek ( )	.../ip2.php:27

( ! ) Warning: fwrite() expects parameter 1 to be resource, boolean given in /var/www/html/ip2.php on line 28
Call Stack
#	Time	Memory	Function	Location
1	0.0006	231904	{main}( )	.../ip2.php:0
2	0.0009	232896	fwrite ( )	.../ip2.php:28

( ! ) Warning: flock() expects parameter 1 to be resource, boolean given in /var/www/html/ip2.php on line 30
Call Stack
#	Time	Memory	Function	Location
1	0.0006	231904	{main}( )	.../ip2.php:0
2	0.0009	232896	flock ( )	.../ip2.php:30

( ! ) Warning: fclose() expects parameter 1 to be resource, boolean given in /var/www/html/ip2.php on line 31
Call Stack
#	Time	Memory	Function	Location
1	0.0006	231904	{main}( )	.../ip2.php:0
2	0.0012	232848	fclose ( )	.../ip2.php:31