anchor.diff:  452,1106,01,31,vn,Viet Nam,84,Mobifone
   452,1106,03,63,vn,Viet Nam,84,S-Fone/Telecom
   452,1106,05,95,vn,Viet Nam,84,VietnaMobile
  +452,1106,08,143,vn,Viet Nam,84,Viettel Mobile
   452,1106,06,111,vn,Viet Nam,84,Viettel Mobile
   452,1106,04,79,vn,Viet Nam,84,Viettel Mobile
  -452,1106,08,143,vn,Viet Nam,84,Viettel Mobile
   452,1106,02,47,vn,Viet Nam,84,Vinaphone
   376,886,50,1295,vi,Virgin Islands U.S.,1340,Digicel
   421,1057,04,79,ye,Yemen,967,HITS/Y Unitel
  
positive.code: 311,785,730,1840,us,United States,1,
  311,785,540,1344,us,United States,1,
  310,784,500,1280,us,United States,1,Public Service Cellular Inc.
  311,785,430,1072,us,United States,1,RSA 1 Limited Partnership
  312,786,160,352,us,United States,1,RSA 1 Limited Partnership
  311,785,350,848,us,United States,1,Sagebrush Cellular Inc.
  311,785,910,2320,us,United States,1,
  310,784,46,1135,us,United States,1,SIMMETRY
  
negative.code: 542,1346,01,31,fj,Fiji,679,Vodafone
  244,580,14,335,fi,Finland,358,Alands
  244,580,26,623,fi,Finland,358,Compatel Ltd
  244,580,03,63,fi,Finland,358,DNA/Finnet
  244,580,12,303,fi,Finland,358,DNA/Finnet
  244,580,04,79,fi,Finland,358,DNA/Finnet
  244,580,13,319,fi,Finland,358,DNA/Finnet
  244,580,21,543,fi,Finland,358,Elisa/Saunalahti
  244,580,05,95,fi,Finland,358,Elisa/Saunalahti
  244,580,82,2095,fi,Finland,358,ID-Mobile
  