Entity Information

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Economic entity name ADTRAN INC
CIK 0000926282
Accession number 0001564590-17-002423
Generator RR Donnelley
SEC filing page http://www.sec.gov/Archives/edgar/data/926282/000156459017002423/0001564590-17-002423-index.htm
XBRL Instance http://www.sec.gov/Archives/edgar/data/926282/000156459017002423/adtn-20161231.xml
XBRL Cloud Viewer https://edgardashboard.xbrlcloud.com/flex/viewer/XBRLViewer.html#instance=http://www.sec.gov/Archives/edgar/data/926282/000156459017002423/adtn-20161231.xml