anchor.diff:  619,1561,25,607,sl,Sierra Leone,232,Mobitel
   525,1317,12,303,sg,Singapore,65,GRID Communications Pte Ltd
   525,1317,03,63,sg,Singapore,65,MobileOne Ltd
  +525,1317,02,47,sg,Singapore,65,Singtel
   525,1317,01,31,sg,Singapore,65,Singtel
   525,1317,07,127,sg,Singapore,65,Singtel
  -525,1317,02,47,sg,Singapore,65,Singtel
   525,1317,06,111,sg,Singapore,65,Starhub
   525,1317,05,95,sg,Singapore,65,Starhub
   231,561,06,111,sk,Slovakia,421,O2
   231,561,01,31,sk,Slovakia,421,Orange
   231,561,05,95,sk,Slovakia,421,Orange
   231,561,15,351,sk,Slovakia,421,Orange
  +231,561,04,79,sk,Slovakia,421,T-Mobile
   231,561,02,47,sk,Slovakia,421,T-Mobile
  -231,561,04,79,sk,Slovakia,421,T-Mobile
   231,561,99,2463,sk,Slovakia,421,Zeleznice Slovenskej republiky (ZSR)
   293,659,41,1055,si,Slovenia,386,Mobitel
   293,659,40,1039,si,Slovenia,386,SI.Mobil
  
positive.code: 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
  452,1106,02,47,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
  
negative.code: 262,610,43,1087,de,Germany,49,Lycamobile
  262,610,13,319,de,Germany,49,Mobilcom
  262,610,07,127,de,Germany,49,O2
  262,610,11,287,de,Germany,49,O2
  262,610,08,143,de,Germany,49,O2
  262,610,n/a,143,de,Germany,49,Talkline
  262,610,06,111,de,Germany,49,T-mobile/Telekom
  262,610,01,31,de,Germany,49,T-mobile/Telekom
  262,610,16,367,de,Germany,49,Telogic/ViStream
  262,610,02,47,de,Germany,49,Vodafone D2
  262,610,09,159,de,Germany,49,Vodafone D2
  262,610,04,79,de,Germany,49,Vodafone D2
  620,1568,04,79,gh,Ghana,233,Expresso Ghana Ltd
  620,1568,07,127,gh,Ghana,233,GloMobile
  620,1568,03,63,gh,Ghana,233,Milicom/Tigo
  