Client only works to home IP - can't connect on different networks

#include <winsock2.h>
#include <windows.h>
#include <fcntl.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <stdio.h>
#include <conio.h>
#include <iostream> 
int main(int argv, char** argc)
{
    //The port and address you want to connect to
    int host_port= 1101;
    char* host_name="127.0.0.1"; // here's where I'm putting my IP address and trying to connect
   

    // Initialize socket support WINDOWS ONLY!
    unsigned short wVersionRequested;
    WSADATA wsaData;
    int err;
    wVersionRequested = MAKEWORD( 2, 2 );
    err = WSAStartup( wVersionRequested, &wsaData );
    if ( err != 0 || ( LOBYTE( wsaData.wVersion ) != 2 ||
      HIBYTE( wsaData.wVersion ) != 2 )) {
      fprintf(stderr, "Could not find useable sock dll %d\n",WSAGetLastError());
      return 0;
    }

    // Initialize sockets and set any options
    int hsock;
    int * p_int ;
    hsock = socket(AF_INET, SOCK_STREAM, 0);
    if(hsock == -1){
       printf("Error initializing socket %d\n",WSAGetLastError());
       return 0;
    }
    p_int = new int;
    *p_int = 1;
    if( (setsockopt(hsock, SOL_SOCKET, SO_REUSEADDR, (char*)p_int, sizeof(int)) == -1 )||
      (setsockopt(hsock, SOL_SOCKET, SO_KEEPALIVE, (char*)p_int, sizeof(int)) == -1 ) ){
      printf("Error setting options %d\n", WSAGetLastError());
      delete p_int;
      return 0;
   }
   delete p_int;

   //Connect to the server
   struct sockaddr_in my_addr;
   my_addr.sin_family = AF_INET ;
   my_addr.sin_port = htons(host_port);
   
   memset(&(my_addr.sin_zero), 0, 8);
   my_addr.sin_addr.s_addr = inet_addr(host_name);
   if( connect( hsock, (struct sockaddr*)&my_addr, sizeof(my_addr)) == SOCKET_ERROR ){
     fprintf(stderr, "*Error connecting* (Socket %d)\n", WSAGetLastError());
     return 0;
   }

   // Now let's do the client related stuff
   char buffer[1024];
   int buffer_len = 1024;
   int bytecount;
   int c;
   memset(buffer, '\0', buffer_len);
   for(char* p=buffer ; (c=_getch())!=13 ; p++){
      printf("%c", c);
      *p = c;
   }
   if( (bytecount=send(hsock, buffer, strlen(buffer),0))==SOCKET_ERROR){
       fprintf(stderr, "*Error sending data* (%d)\n", WSAGetLastError());
       return 0;
   }
   if((bytecount = recv(hsock, buffer, buffer_len, 0))==SOCKET_ERROR){
       fprintf(stderr, "*Error receiving data* (%d)\n", WSAGetLastError());
       return 0;
   }
   printf("\nReceived string \"%s\"\n", buffer);
   closesocket(hsock);
;
}