AS29866 209.42.40.0/21 CIDR and IP Range Summary.ASN: 29866 - OpticaltelHost Count: 2046Addressable IPs: 2048209.42.40.0/24209.42.41.0/24209.42.42.0/24209.42.43.0/24209.42.44.0/24209.42.45.0/24209.42.46.0/24209.42.47.0/24