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
  -525,1317,07,127,sg,Singapore,65,Singtel
   525,1317,02,47,sg,Singapore,65,Singtel
   525,1317,01,31,sg,Singapore,65,Singtel
  +525,1317,07,127,sg,Singapore,65,Singtel
   525,1317,06,111,sg,Singapore,65,Starhub
   525,1317,05,95,sg,Singapore,65,Starhub
   231,561,06,111,sk,Slovakia,421,O2
  +231,561,05,95,sk,Slovakia,421,Orange
   231,561,01,31,sk,Slovakia,421,Orange
  -231,561,05,95,sk,Slovakia,421,Orange
   231,561,15,351,sk,Slovakia,421,Orange
   231,561,02,47,sk,Slovakia,421,T-Mobile
   231,561,04,79,sk,Slovakia,421,T-Mobile
  
positive.code: 441,1089,63,1599,jp,Japan,81,SoftBank Mobile Corp
  440,1088,47,1151,jp,Japan,81,SoftBank Mobile Corp
  440,1088,95,2399,jp,Japan,81,SoftBank Mobile Corp
  440,1088,41,1055,jp,Japan,81,SoftBank Mobile Corp
  441,1089,64,1615,jp,Japan,81,SoftBank Mobile Corp
  440,1088,46,1135,jp,Japan,81,SoftBank Mobile Corp
  440,1088,97,2431,jp,Japan,81,SoftBank Mobile Corp
  440,1088,42,1071,jp,Japan,81,SoftBank Mobile Corp
  440,1088,90,2319,jp,Japan,81,SoftBank Mobile Corp
  441,1089,65,1631,jp,Japan,81,SoftBank Mobile Corp
  440,1088,92,2351,jp,Japan,81,SoftBank Mobile Corp
  440,1088,98,2447,jp,Japan,81,SoftBank Mobile Corp
  440,1088,85,2143,jp,Japan,81,KDDI Corporation
  440,1088,83,2111,jp,Japan,81,KDDI Corporation
  440,1088,81,2079,jp,Japan,81,KDDI Corporation
  
negative.code: 621,1569,25,607,ng,Nigeria,234,Visafone
  555,1365,01,31,nu,Niue,683,Niue Telecom
  242,578,09,159,no,Norway,47,Com4 AS
  242,578,21,543,no,Norway,47,Jernbaneverket (GSM-R)
  242,578,20,527,no,Norway,47,Jernbaneverket (GSM-R)
  242,578,23,575,no,Norway,47,Lycamobile Ltd
  242,578,02,47,no,Norway,47,Netcom
  242,578,22,559,no,Norway,47,Network Norway AS
  