AT&T Internet Services SBCIS-SBIS-6BLK (NET-75-0-0-0-1)
                                  75.0.0.0 - 75.63.255.255
PPPoX Pool - rback4.mdldtx 052306 - 1040 SBC07501805200023060523104635 (NET-75-18-52-0-1)
                                  75.18.52.0 - 75.18.53.255

# ARIN WHOIS database, last updated 2009-06-10 20:00
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