AS3448 66.209.0.0/19 CIDR and IP Range Summary.ASN: 3448 - AT&T Mobility LLCHost Count: 8190Addressable IPs: 819266.209.0.0/2466.209.1.0/2466.209.2.0/2466.209.3.0/2466.209.4.0/2466.209.5.0/2466.209.6.0/2466.209.7.0/2466.209.8.0/2466.209.9.0/2466.209.10.0/2466.209.11.0/2466.209.12.0/2466.209.13.0/2466.209.14.0/2466.209.15.0/2466.209.16.0/2466.209.17.0/2466.209.18.0/2466.209.19.0/2466.209.20.0/2466.209.21.0/2466.209.22.0/2466.209.23.0/2466.209.24.0/2466.209.25.0/2466.209.26.0/2466.209.27.0/2466.209.28.0/2466.209.29.0/2466.209.30.0/2466.209.31.0/24