AT&T WorldNet Services ATT (NET-12-0-0-0-1) 
                                  12.0.0.0 - 12.255.255.255
ENGELHARD CORPORATION ENGELHAR24-237-64 (NET-12-0-237-64-1) 
                                  12.0.237.64 - 12.0.237.127

# ARIN WHOIS database, last updated 2009-11-20 20:00
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