anchor.diff:  311,785,150,336,us,United States,1,
   311,785,070,112,us,United States,1,Wisconsin RSA #7 Limited Partnership
   310,784,390,912,us,United States,1,Yorkville Telephone Cooperative
  +748,1864,01,31,uy,Uruguay,598,Ancel/Antel
   748,1864,03,63,uy,Uruguay,598,Ancel/Antel
  -748,1864,01,31,uy,Uruguay,598,Ancel/Antel
   748,1864,10,271,uy,Uruguay,598,Claro/AM Wireless
   748,1864,07,127,uy,Uruguay,598,MOVISTAR
   434,1076,04,79,uz,Uzbekistan,998,Bee Line/Unitel
  
positive.code: 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
  231,561,15,351,sk,Slovakia,421,Orange
  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
  
negative.code: 400,1024,04,79,az,Azerbaijan,994,Azerfon.
  400,1024,03,63,az,Azerbaijan,994,Caspian American Telecommunications LLC (CATEL)
  400,1024,02,47,az,Azerbaijan,994,J.V. Bakcell GSM 2000
  364,868,390,912,bs,Bahamas,1242,Bahamas Telco. Comp.
  364,868,30,783,bs,Bahamas,1242,Bahamas Telco. Comp.
  364,868,39,927,bs,Bahamas,1242,Bahamas Telco. Comp.
  364,868,03,63,bs,Bahamas,1242,Smart Communications
  426,1062,01,31,bh,Bahrain,973,Batelco
  426,1062,02,47,bh,Bahrain,973,ZAIN/Vodafone
  