anchor.diff:  228,552,52,1327,ch,Switzerland,41,Mundio Mobile AG
   228,552,03,63,ch,Switzerland,41,Orange
   228,552,01,31,ch,Switzerland,41,Swisscom
  +228,552,12,303,ch,Switzerland,41,TDC Sunrise
   228,552,02,47,ch,Switzerland,41,TDC Sunrise
  -228,552,12,303,ch,Switzerland,41,TDC Sunrise
   228,552,08,143,ch,Switzerland,41,TDC Sunrise
   228,552,53,1343,ch,Switzerland,41,upc cablecom GmbH
   417,1047,02,47,sy,Syrian Arab Republic,963,MTN/Spacetel
  
positive.code: 311,785,100,256,us,United States,1,
  311,785,300,768,us,United States,1,Nexus Communications Inc.
  310,784,130,304,us,United States,1,North Carolina RSA 3 Cellular Tel. Co.
  311,785,610,1552,us,United States,1,North Dakota Network Company
  312,786,230,560,us,United States,1,North Dakota Network Company
  310,784,450,1104,us,United States,1,Northeast Colorado Cellular Inc.
  311,785,710,1808,us,United States,1,Northeast Wireless Networks LLC
  310,784,670,1648,us,United States,1,Northstar
  
negative.code: 270,624,77,1919,lu,Luxembourg,352,Millicom Tango GSM
  270,624,01,31,lu,Luxembourg,352,P+T LUXGSM
  270,624,99,2463,lu,Luxembourg,352,VOXmobile S.A.
  455,1109,04,79,mo,Macao China,853,C.T.M. TELEMOVEL+
  455,1109,01,31,mo,Macao China,853,C.T.M. TELEMOVEL+
  455,1109,02,47,mo,Macao China,853,China Telecom
  455,1109,03,63,mo,Macao China,853,Hutchison Telephone (Macau) Company Ltd
  455,1109,05,95,mo,Macao China,853,Hutchison Telephone (Macau) Company Ltd
  455,1109,06,111,mo,Macao China,853,Smartone Mobile
  455,1109,00,15,mo,Macao China,853,Smartone Mobile
  294,660,75,1887,mk,Macedonia,389,MTS/Cosmofone
  294,660,02,47,mk,Macedonia,389,MTS/Cosmofone
  294,660,01,31,mk,Macedonia,389,T-Mobile/Mobimak
  