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AT&T Business uses 6,153 IP ranges covering a total of 16,196,286 IP addresses. The IPs span 2 countries, including United States and Puerto Rico. We identified 1,299 cities across 47 regions—for example Chicago, Atlanta, and Houston.
ATT Chesterfield is a former facility owned by AT&T that was operational from the 1970s to the early 1990s. It was the location of a planned fallout shelter for Julie Nixon, who was attending Smith College at the time.
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