anchor.diff:  454,1108,03,63,hk,Hongkong China,852,H3G/Hutchinson
   454,1108,14,335,hk,Hongkong China,852,H3G/Hutchinson
   454,1108,05,95,hk,Hongkong China,852,H3G/Hutchinson
  -454,1108,19,415,hk,Hongkong China,852,HKT/PCCW
   454,1108,20,527,hk,Hongkong China,852,HKT/PCCW
   454,1108,29,671,hk,Hongkong China,852,HKT/PCCW
   454,1108,16,367,hk,Hongkong China,852,HKT/PCCW
  +454,1108,19,415,hk,Hongkong China,852,HKT/PCCW
   454,1108,47,1151,hk,Hongkong China,852,shared by private TETRA systems
   454,1108,40,1039,hk,Hongkong China,852,shared by private TETRA systems
   454,1108,08,143,hk,Hongkong China,852,Trident Telecom Ventures Ltd.
  
positive.code: 520,1312,00,15,th,Thailand,66,Hutch/CAT CDMA
  520,1312,18,399,th,Thailand,66,Total Access (DTAC)
  520,1312,05,95,th,Thailand,66,Total Access (DTAC)
  520,1312,99,2463,th,Thailand,66,True Move/Orange
  520,1312,04,79,th,Thailand,66,True Move/Orange
  514,1300,01,31,tp,Timor-Leste,670,Telin/ Telkomcel
  514,1300,02,47,tp,Timor-Leste,670,Timor Telecom
  615,1557,02,47,tg,Togo,228,Telecel/MOOV
  
negative.code: 234,564,03,63,gb,United Kingdom,44,Airtel/Vodafone
  234,564,76,1903,gb,United Kingdom,44,BT Group
  234,564,77,1919,gb,United Kingdom,44,BT Group
  234,564,92,2351,gb,United Kingdom,44,Cable and Wireless
  234,564,07,127,gb,United Kingdom,44,Cable and Wireless
  234,564,36,879,gb,United Kingdom,44,Cable and Wireless Isle of Man
  234,564,18,399,gb,United Kingdom,44,Cloud9/wire9 Tel.
  235,565,02,47,gb,United Kingdom,44,Everyth. Ev.wh.
  