AS3 18.21.254.0/24 CIDR and IP Range Summary.ASN: 3 - Massachusetts Institute of TechnologyHost Count: 254Addressable IPs: 256 18.21.254.018.21.254.118.21.254.218.21.254.318.21.254.418.21.254.518.21.254.618.21.254.718.21.254.818.21.254.918.21.254.1018.21.254.1118.21.254.1218.21.254.1318.21.254.1418.21.254.1518.21.254.1618.21.254.1718.21.254.1818.21.254.1918.21.254.2018.21.254.2118.21.254.2218.21.254.2318.21.254.2418.21.254.2518.21.254.2618.21.254.2718.21.254.2818.21.254.2918.21.254.3018.21.254.3118.21.254.3218.21.254.3318.21.254.3418.21.254.3518.21.254.3618.21.254.3718.21.254.3818.21.254.3918.21.254.4018.21.254.4118.21.254.4218.21.254.4318.21.254.4418.21.254.4518.21.254.4618.21.254.4718.21.254.4818.21.254.4918.21.254.5018.21.254.5118.21.254.5218.21.254.5318.21.254.5418.21.254.5518.21.254.5618.21.254.5718.21.254.5818.21.254.5918.21.254.6018.21.254.6118.21.254.6218.21.254.6318.21.254.6418.21.254.6518.21.254.6618.21.254.6718.21.254.6818.21.254.6918.21.254.7018.21.254.7118.21.254.7218.21.254.7318.21.254.7418.21.254.7518.21.254.7618.21.254.7718.21.254.7818.21.254.7918.21.254.8018.21.254.8118.21.254.8218.21.254.8318.21.254.8418.21.254.8518.21.254.8618.21.254.8718.21.254.8818.21.254.8918.21.254.9018.21.254.9118.21.254.9218.21.254.9318.21.254.9418.21.254.9518.21.254.9618.21.254.9718.21.254.9818.21.254.9918.21.254.10018.21.254.10118.21.254.10218.21.254.10318.21.254.10418.21.254.10518.21.254.10618.21.254.10718.21.254.10818.21.254.10918.21.254.11018.21.254.11118.21.254.11218.21.254.11318.21.254.11418.21.254.11518.21.254.11618.21.254.11718.21.254.11818.21.254.11918.21.254.12018.21.254.12118.21.254.12218.21.254.12318.21.254.12418.21.254.12518.21.254.12618.21.254.12718.21.254.12818.21.254.12918.21.254.13018.21.254.13118.21.254.13218.21.254.13318.21.254.13418.21.254.13518.21.254.13618.21.254.13718.21.254.13818.21.254.13918.21.254.14018.21.254.14118.21.254.14218.21.254.14318.21.254.14418.21.254.14518.21.254.14618.21.254.14718.21.254.14818.21.254.14918.21.254.15018.21.254.15118.21.254.15218.21.254.15318.21.254.15418.21.254.15518.21.254.15618.21.254.15718.21.254.15818.21.254.15918.21.254.16018.21.254.16118.21.254.16218.21.254.16318.21.254.16418.21.254.16518.21.254.16618.21.254.16718.21.254.16818.21.254.16918.21.254.17018.21.254.17118.21.254.17218.21.254.17318.21.254.17418.21.254.17518.21.254.17618.21.254.17718.21.254.17818.21.254.17918.21.254.18018.21.254.18118.21.254.18218.21.254.18318.21.254.18418.21.254.18518.21.254.18618.21.254.18718.21.254.18818.21.254.18918.21.254.19018.21.254.19118.21.254.19218.21.254.19318.21.254.19418.21.254.19518.21.254.19618.21.254.19718.21.254.19818.21.254.19918.21.254.20018.21.254.20118.21.254.20218.21.254.20318.21.254.20418.21.254.20518.21.254.20618.21.254.20718.21.254.20818.21.254.20918.21.254.21018.21.254.21118.21.254.21218.21.254.21318.21.254.21418.21.254.21518.21.254.21618.21.254.21718.21.254.21818.21.254.21918.21.254.22018.21.254.22118.21.254.22218.21.254.22318.21.254.22418.21.254.22518.21.254.22618.21.254.22718.21.254.22818.21.254.22918.21.254.23018.21.254.23118.21.254.23218.21.254.23318.21.254.23418.21.254.23518.21.254.23618.21.254.23718.21.254.23818.21.254.23918.21.254.24018.21.254.24118.21.254.24218.21.254.24318.21.254.24418.21.254.24518.21.254.24618.21.254.24718.21.254.24818.21.254.24918.21.254.25018.21.254.25118.21.254.25218.21.254.25318.21.254.25418.21.254.255