iOS/tvOS get IP Address from current network ( via Cellular network )

GetIPAddressCellularNetwork.m

#import <ifaddrs.h>  
#import <arpa/inet.h>  
#import <net/if.h>  
  
#define IOS_CELLULAR    @"pdp_ip0"  
#define IOS_WIFI        @"en0"  
#define IOS_VPN         @"utun0"  
#define IP_ADDR_IPv4    @"ipv4"  
#define IP_ADDR_IPv6    @"ipv6"  
  
  
#pragma mark - Get Current Network IP Address
+ (NSString *)getIPAddress:(BOOL)preferIPv4  
{  
    NSArray *searchArray = preferIPv4 ?  
    @[ IOS_VPN @"/" IP_ADDR_IPv4, IOS_VPN @"/" IP_ADDR_IPv6, IOS_WIFI @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4, IOS_CELLULAR @"/" IP_ADDR_IPv6 ] :  
    @[ IOS_VPN @"/" IP_ADDR_IPv6, IOS_VPN @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6, IOS_WIFI @"/" IP_ADDR_IPv4, IOS_CELLULAR @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4 ] ;  
      
    NSDictionary *addresses = [self getIPAddresses];  
    NSLog(@"addresses: %@", addresses);  
      
    __block NSString *address;  
    [searchArray enumerateObjectsUsingBlock:^(NSString *key, NSUInteger idx, BOOLBOOL *stop)  
     {  
         address = addresses[key];  
         //Get IP address format  
         if([self isValidatIP:address]) *stop = YES;  
     } ];  
    return address ? address : @"0.0.0.0";  
}  
  
+ (BOOL)isValidatIP:(NSString *)ipAddress {  
    if (ipAddress.length == 0) {  
        return NO;  
    }  
    NSString *urlRegEx = @"^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."  
    "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."  
    "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."  
    "([01]?\\d\\d?|2[0-4]\\d|25[0-5])$";  
      
    NSError *error;  
    NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:urlRegEx options:0 error:&error];  
      
    if (regex != nil) {  
        NSTextCheckingResult *firstMatch=[regex firstMatchInString:ipAddress options:0 range:NSMakeRange(0, [ipAddress length])];  
          
        if (firstMatch) {  
            NSRange resultRange = [firstMatch rangeAtIndex:0];  
            NSString *result=[ipAddress substringWithRange:resultRange];  
            //print resut  
            NSLog(@"%@",result);  
            return YES;  
        }  
    }  
    return NO;  
}  
  
+ (NSDictionary *)getIPAddresses  
{  
    NSMutableDictionary *addresses = [NSMutableDictionary dictionaryWithCapacity:8];  
      
    // retrieve the current interfaces - returns 0 on success  
    struct ifaddrs *interfaces;  
    if(!getifaddrs(&interfaces)) {  
        // Loop through linked list of interfaces  
        struct ifaddrs *interface;  
        for(interface=interfaces; interface; interface=interface->ifa_next) {  
            if(!(interface->ifa_flags & IFF_UP) /* || (interface->ifa_flags & IFF_LOOPBACK) */ ) {  
                continue; // deeply nested code harder to read  
            }  
            const struct sockaddr_in *addr = (const struct sockaddr_in*)interface->ifa_addr;  
            char addrBuf[ MAX(INET_ADDRSTRLEN, INET6_ADDRSTRLEN) ];  
            if(addr && (addr->sin_family==AF_INET || addr->sin_family==AF_INET6)) {  
                NSString *name = [NSString stringWithUTF8String:interface->ifa_name];  
                NSString *type;  
                if(addr->sin_family == AF_INET) {  
                    if(inet_ntop(AF_INET, &addr->sin_addr, addrBuf, INET_ADDRSTRLEN)) {  
                        type = IP_ADDR_IPv4;  
                    }  
                } else {  
                    const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6*)interface->ifa_addr;  
                    if(inet_ntop(AF_INET6, &addr6->sin6_addr, addrBuf, INET6_ADDRSTRLEN)) {  
                        type = IP_ADDR_IPv6;  
                    }  
                }  
                if(type) {  
                    NSString *key = [NSString stringWithFormat:@"%@/%@", name, type];  
                    addresses[key] = [NSString stringWithUTF8String:addrBuf];  
                }  
            }  
        }  
        // Free memory  
        freeifaddrs(interfaces);  
    }  
    return [addresses count] ? addresses : nil;  
}