AT&T Internet Services SBCIS-SBIS-6BLK (NET-68-88-0-0-1)
68.88.0.0 - 68.95.255.255
PPPoX Pool - Rback1 LBCKTX SBC068091016000030902 (NET-68-91-16-0-1)
68.91.16.0 - 68.91.17.255
# ARIN WHOIS database, last updated 2008-11-19 19:10
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