AS3 18.18.221.0/24 CIDR and IP Range Summary.ASN: 3 - Massachusetts Institute of TechnologyHost Count: 254Addressable IPs: 256 18.18.221.018.18.221.118.18.221.218.18.221.318.18.221.418.18.221.518.18.221.618.18.221.718.18.221.818.18.221.918.18.221.1018.18.221.1118.18.221.1218.18.221.1318.18.221.1418.18.221.1518.18.221.1618.18.221.1718.18.221.1818.18.221.1918.18.221.2018.18.221.2118.18.221.2218.18.221.2318.18.221.2418.18.221.2518.18.221.2618.18.221.2718.18.221.2818.18.221.2918.18.221.3018.18.221.3118.18.221.3218.18.221.3318.18.221.3418.18.221.3518.18.221.3618.18.221.3718.18.221.3818.18.221.3918.18.221.4018.18.221.4118.18.221.4218.18.221.4318.18.221.4418.18.221.4518.18.221.4618.18.221.4718.18.221.4818.18.221.4918.18.221.5018.18.221.5118.18.221.5218.18.221.5318.18.221.5418.18.221.5518.18.221.5618.18.221.5718.18.221.5818.18.221.5918.18.221.6018.18.221.6118.18.221.6218.18.221.6318.18.221.6418.18.221.6518.18.221.6618.18.221.6718.18.221.6818.18.221.6918.18.221.7018.18.221.7118.18.221.7218.18.221.7318.18.221.7418.18.221.7518.18.221.7618.18.221.7718.18.221.7818.18.221.7918.18.221.8018.18.221.8118.18.221.8218.18.221.8318.18.221.8418.18.221.8518.18.221.8618.18.221.8718.18.221.8818.18.221.8918.18.221.9018.18.221.9118.18.221.9218.18.221.9318.18.221.9418.18.221.9518.18.221.9618.18.221.9718.18.221.9818.18.221.9918.18.221.10018.18.221.10118.18.221.10218.18.221.10318.18.221.10418.18.221.10518.18.221.10618.18.221.10718.18.221.10818.18.221.10918.18.221.11018.18.221.11118.18.221.11218.18.221.11318.18.221.11418.18.221.11518.18.221.11618.18.221.11718.18.221.11818.18.221.11918.18.221.12018.18.221.12118.18.221.12218.18.221.12318.18.221.12418.18.221.12518.18.221.12618.18.221.12718.18.221.12818.18.221.12918.18.221.13018.18.221.13118.18.221.13218.18.221.13318.18.221.13418.18.221.13518.18.221.13618.18.221.13718.18.221.13818.18.221.13918.18.221.14018.18.221.14118.18.221.14218.18.221.14318.18.221.14418.18.221.14518.18.221.14618.18.221.14718.18.221.14818.18.221.14918.18.221.15018.18.221.15118.18.221.15218.18.221.15318.18.221.15418.18.221.15518.18.221.15618.18.221.15718.18.221.15818.18.221.15918.18.221.16018.18.221.16118.18.221.16218.18.221.16318.18.221.16418.18.221.16518.18.221.16618.18.221.16718.18.221.16818.18.221.16918.18.221.17018.18.221.17118.18.221.17218.18.221.17318.18.221.17418.18.221.17518.18.221.17618.18.221.17718.18.221.17818.18.221.17918.18.221.18018.18.221.18118.18.221.18218.18.221.18318.18.221.18418.18.221.18518.18.221.18618.18.221.18718.18.221.18818.18.221.18918.18.221.19018.18.221.19118.18.221.19218.18.221.19318.18.221.19418.18.221.19518.18.221.19618.18.221.19718.18.221.19818.18.221.19918.18.221.20018.18.221.20118.18.221.20218.18.221.20318.18.221.20418.18.221.20518.18.221.20618.18.221.20718.18.221.20818.18.221.20918.18.221.21018.18.221.21118.18.221.21218.18.221.21318.18.221.21418.18.221.21518.18.221.21618.18.221.21718.18.221.21818.18.221.21918.18.221.22018.18.221.22118.18.221.22218.18.221.22318.18.221.22418.18.221.22518.18.221.22618.18.221.22718.18.221.22818.18.221.22918.18.221.23018.18.221.23118.18.221.23218.18.221.23318.18.221.23418.18.221.23518.18.221.23618.18.221.23718.18.221.23818.18.221.23918.18.221.24018.18.221.24118.18.221.24218.18.221.24318.18.221.24418.18.221.24518.18.221.24618.18.221.24718.18.221.24818.18.221.24918.18.221.25018.18.221.25118.18.221.25218.18.221.25318.18.221.25418.18.221.255