AT&T WorldNet Services ATT (NET-12-0-0-0-1)
12.0.0.0 - 12.255.255.255
AT&T WorldNet Services ATTSVCM-12-176-240-0 (NET-12-176-240-0-1)
12.176.240.0 - 12.176.255.255
CSINET INTERNET ACCESS CORP. CSINET-I15-252 (NET-12-176-252-0-1)
12.176.252.0 - 12.176.255.255

ARIN WHOIS database, last updated 2005-02-10 19:10

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