AS21547 72.55.243.0/24 CIDR and IP Range Summary.ASN: 21547 - First Light FiberHost Count: 254Addressable IPs: 256 72.55.243.072.55.243.172.55.243.272.55.243.372.55.243.472.55.243.572.55.243.672.55.243.772.55.243.872.55.243.972.55.243.1072.55.243.1172.55.243.1272.55.243.1372.55.243.1472.55.243.1572.55.243.1672.55.243.1772.55.243.1872.55.243.1972.55.243.2072.55.243.2172.55.243.2272.55.243.2372.55.243.2472.55.243.2572.55.243.2672.55.243.2772.55.243.2872.55.243.2972.55.243.3072.55.243.3172.55.243.3272.55.243.3372.55.243.3472.55.243.3572.55.243.3672.55.243.3772.55.243.3872.55.243.3972.55.243.4072.55.243.4172.55.243.4272.55.243.4372.55.243.4472.55.243.4572.55.243.4672.55.243.4772.55.243.4872.55.243.4972.55.243.5072.55.243.5172.55.243.5272.55.243.5372.55.243.5472.55.243.5572.55.243.5672.55.243.5772.55.243.5872.55.243.5972.55.243.6072.55.243.6172.55.243.6272.55.243.6372.55.243.6472.55.243.6572.55.243.6672.55.243.6772.55.243.6872.55.243.6972.55.243.7072.55.243.7172.55.243.7272.55.243.7372.55.243.7472.55.243.7572.55.243.7672.55.243.7772.55.243.7872.55.243.7972.55.243.8072.55.243.8172.55.243.8272.55.243.8372.55.243.8472.55.243.8572.55.243.8672.55.243.8772.55.243.8872.55.243.8972.55.243.9072.55.243.9172.55.243.9272.55.243.9372.55.243.9472.55.243.9572.55.243.9672.55.243.9772.55.243.9872.55.243.9972.55.243.10072.55.243.10172.55.243.10272.55.243.10372.55.243.10472.55.243.10572.55.243.10672.55.243.10772.55.243.10872.55.243.10972.55.243.11072.55.243.11172.55.243.11272.55.243.11372.55.243.11472.55.243.11572.55.243.11672.55.243.11772.55.243.11872.55.243.11972.55.243.12072.55.243.12172.55.243.12272.55.243.12372.55.243.12472.55.243.12572.55.243.12672.55.243.12772.55.243.12872.55.243.12972.55.243.13072.55.243.13172.55.243.13272.55.243.13372.55.243.13472.55.243.13572.55.243.13672.55.243.13772.55.243.13872.55.243.13972.55.243.14072.55.243.14172.55.243.14272.55.243.14372.55.243.14472.55.243.14572.55.243.14672.55.243.14772.55.243.14872.55.243.14972.55.243.15072.55.243.15172.55.243.15272.55.243.15372.55.243.15472.55.243.15572.55.243.15672.55.243.15772.55.243.15872.55.243.15972.55.243.16072.55.243.16172.55.243.16272.55.243.16372.55.243.16472.55.243.16572.55.243.16672.55.243.16772.55.243.16872.55.243.16972.55.243.17072.55.243.17172.55.243.17272.55.243.17372.55.243.17472.55.243.17572.55.243.17672.55.243.17772.55.243.17872.55.243.17972.55.243.18072.55.243.18172.55.243.18272.55.243.18372.55.243.18472.55.243.18572.55.243.18672.55.243.18772.55.243.18872.55.243.18972.55.243.19072.55.243.19172.55.243.19272.55.243.19372.55.243.19472.55.243.19572.55.243.19672.55.243.19772.55.243.19872.55.243.19972.55.243.20072.55.243.20172.55.243.20272.55.243.20372.55.243.20472.55.243.20572.55.243.20672.55.243.20772.55.243.20872.55.243.20972.55.243.21072.55.243.21172.55.243.21272.55.243.21372.55.243.21472.55.243.21572.55.243.21672.55.243.21772.55.243.21872.55.243.21972.55.243.22072.55.243.22172.55.243.22272.55.243.22372.55.243.22472.55.243.22572.55.243.22672.55.243.22772.55.243.22872.55.243.22972.55.243.23072.55.243.23172.55.243.23272.55.243.23372.55.243.23472.55.243.23572.55.243.23672.55.243.23772.55.243.23872.55.243.23972.55.243.24072.55.243.24172.55.243.24272.55.243.24372.55.243.24472.55.243.24572.55.243.24672.55.243.24772.55.243.24872.55.243.24972.55.243.25072.55.243.25172.55.243.25272.55.243.25372.55.243.25472.55.243.255