AS1855 192.1.248.0/21 CIDR and IP Range Summary.ASN: 1855 - RTX BBN Technologies Inc.Host Count: 2046Addressable IPs: 2048192.1.248.0/24192.1.249.0/24192.1.250.0/24192.1.251.0/24192.1.252.0/24192.1.253.0/24192.1.254.0/24192.1.255.0/24