AS3 18.21.18.0/24 CIDR and IP Range Summary.ASN: 3 - Massachusetts Institute of TechnologyHost Count: 254Addressable IPs: 256 18.21.18.018.21.18.118.21.18.218.21.18.318.21.18.418.21.18.518.21.18.618.21.18.718.21.18.818.21.18.918.21.18.1018.21.18.1118.21.18.1218.21.18.1318.21.18.1418.21.18.1518.21.18.1618.21.18.1718.21.18.1818.21.18.1918.21.18.2018.21.18.2118.21.18.2218.21.18.2318.21.18.2418.21.18.2518.21.18.2618.21.18.2718.21.18.2818.21.18.2918.21.18.3018.21.18.3118.21.18.3218.21.18.3318.21.18.3418.21.18.3518.21.18.3618.21.18.3718.21.18.3818.21.18.3918.21.18.4018.21.18.4118.21.18.4218.21.18.4318.21.18.4418.21.18.4518.21.18.4618.21.18.4718.21.18.4818.21.18.4918.21.18.5018.21.18.5118.21.18.5218.21.18.5318.21.18.5418.21.18.5518.21.18.5618.21.18.5718.21.18.5818.21.18.5918.21.18.6018.21.18.6118.21.18.6218.21.18.6318.21.18.6418.21.18.6518.21.18.6618.21.18.6718.21.18.6818.21.18.6918.21.18.7018.21.18.7118.21.18.7218.21.18.7318.21.18.7418.21.18.7518.21.18.7618.21.18.7718.21.18.7818.21.18.7918.21.18.8018.21.18.8118.21.18.8218.21.18.8318.21.18.8418.21.18.8518.21.18.8618.21.18.8718.21.18.8818.21.18.8918.21.18.9018.21.18.9118.21.18.9218.21.18.9318.21.18.9418.21.18.9518.21.18.9618.21.18.9718.21.18.9818.21.18.9918.21.18.10018.21.18.10118.21.18.10218.21.18.10318.21.18.10418.21.18.10518.21.18.10618.21.18.10718.21.18.10818.21.18.10918.21.18.11018.21.18.11118.21.18.11218.21.18.11318.21.18.11418.21.18.11518.21.18.11618.21.18.11718.21.18.11818.21.18.11918.21.18.12018.21.18.12118.21.18.12218.21.18.12318.21.18.12418.21.18.12518.21.18.12618.21.18.12718.21.18.12818.21.18.12918.21.18.13018.21.18.13118.21.18.13218.21.18.13318.21.18.13418.21.18.13518.21.18.13618.21.18.13718.21.18.13818.21.18.13918.21.18.14018.21.18.14118.21.18.14218.21.18.14318.21.18.14418.21.18.14518.21.18.14618.21.18.14718.21.18.14818.21.18.14918.21.18.15018.21.18.15118.21.18.15218.21.18.15318.21.18.15418.21.18.15518.21.18.15618.21.18.15718.21.18.15818.21.18.15918.21.18.16018.21.18.16118.21.18.16218.21.18.16318.21.18.16418.21.18.16518.21.18.16618.21.18.16718.21.18.16818.21.18.16918.21.18.17018.21.18.17118.21.18.17218.21.18.17318.21.18.17418.21.18.17518.21.18.17618.21.18.17718.21.18.17818.21.18.17918.21.18.18018.21.18.18118.21.18.18218.21.18.18318.21.18.18418.21.18.18518.21.18.18618.21.18.18718.21.18.18818.21.18.18918.21.18.19018.21.18.19118.21.18.19218.21.18.19318.21.18.19418.21.18.19518.21.18.19618.21.18.19718.21.18.19818.21.18.19918.21.18.20018.21.18.20118.21.18.20218.21.18.20318.21.18.20418.21.18.20518.21.18.20618.21.18.20718.21.18.20818.21.18.20918.21.18.21018.21.18.21118.21.18.21218.21.18.21318.21.18.21418.21.18.21518.21.18.21618.21.18.21718.21.18.21818.21.18.21918.21.18.22018.21.18.22118.21.18.22218.21.18.22318.21.18.22418.21.18.22518.21.18.22618.21.18.22718.21.18.22818.21.18.22918.21.18.23018.21.18.23118.21.18.23218.21.18.23318.21.18.23418.21.18.23518.21.18.23618.21.18.23718.21.18.23818.21.18.23918.21.18.24018.21.18.24118.21.18.24218.21.18.24318.21.18.24418.21.18.24518.21.18.24618.21.18.24718.21.18.24818.21.18.24918.21.18.25018.21.18.25118.21.18.25218.21.18.25318.21.18.25418.21.18.255