AS3 18.21.31.0/24 CIDR and IP Range Summary.ASN: 3 - Massachusetts Institute of TechnologyHost Count: 254Addressable IPs: 256 18.21.31.018.21.31.118.21.31.218.21.31.318.21.31.418.21.31.518.21.31.618.21.31.718.21.31.818.21.31.918.21.31.1018.21.31.1118.21.31.1218.21.31.1318.21.31.1418.21.31.1518.21.31.1618.21.31.1718.21.31.1818.21.31.1918.21.31.2018.21.31.2118.21.31.2218.21.31.2318.21.31.2418.21.31.2518.21.31.2618.21.31.2718.21.31.2818.21.31.2918.21.31.3018.21.31.3118.21.31.3218.21.31.3318.21.31.3418.21.31.3518.21.31.3618.21.31.3718.21.31.3818.21.31.3918.21.31.4018.21.31.4118.21.31.4218.21.31.4318.21.31.4418.21.31.4518.21.31.4618.21.31.4718.21.31.4818.21.31.4918.21.31.5018.21.31.5118.21.31.5218.21.31.5318.21.31.5418.21.31.5518.21.31.5618.21.31.5718.21.31.5818.21.31.5918.21.31.6018.21.31.6118.21.31.6218.21.31.6318.21.31.6418.21.31.6518.21.31.6618.21.31.6718.21.31.6818.21.31.6918.21.31.7018.21.31.7118.21.31.7218.21.31.7318.21.31.7418.21.31.7518.21.31.7618.21.31.7718.21.31.7818.21.31.7918.21.31.8018.21.31.8118.21.31.8218.21.31.8318.21.31.8418.21.31.8518.21.31.8618.21.31.8718.21.31.8818.21.31.8918.21.31.9018.21.31.9118.21.31.9218.21.31.9318.21.31.9418.21.31.9518.21.31.9618.21.31.9718.21.31.9818.21.31.9918.21.31.10018.21.31.10118.21.31.10218.21.31.10318.21.31.10418.21.31.10518.21.31.10618.21.31.10718.21.31.10818.21.31.10918.21.31.11018.21.31.11118.21.31.11218.21.31.11318.21.31.11418.21.31.11518.21.31.11618.21.31.11718.21.31.11818.21.31.11918.21.31.12018.21.31.12118.21.31.12218.21.31.12318.21.31.12418.21.31.12518.21.31.12618.21.31.12718.21.31.12818.21.31.12918.21.31.13018.21.31.13118.21.31.13218.21.31.13318.21.31.13418.21.31.13518.21.31.13618.21.31.13718.21.31.13818.21.31.13918.21.31.14018.21.31.14118.21.31.14218.21.31.14318.21.31.14418.21.31.14518.21.31.14618.21.31.14718.21.31.14818.21.31.14918.21.31.15018.21.31.15118.21.31.15218.21.31.15318.21.31.15418.21.31.15518.21.31.15618.21.31.15718.21.31.15818.21.31.15918.21.31.16018.21.31.16118.21.31.16218.21.31.16318.21.31.16418.21.31.16518.21.31.16618.21.31.16718.21.31.16818.21.31.16918.21.31.17018.21.31.17118.21.31.17218.21.31.17318.21.31.17418.21.31.17518.21.31.17618.21.31.17718.21.31.17818.21.31.17918.21.31.18018.21.31.18118.21.31.18218.21.31.18318.21.31.18418.21.31.18518.21.31.18618.21.31.18718.21.31.18818.21.31.18918.21.31.19018.21.31.19118.21.31.19218.21.31.19318.21.31.19418.21.31.19518.21.31.19618.21.31.19718.21.31.19818.21.31.19918.21.31.20018.21.31.20118.21.31.20218.21.31.20318.21.31.20418.21.31.20518.21.31.20618.21.31.20718.21.31.20818.21.31.20918.21.31.21018.21.31.21118.21.31.21218.21.31.21318.21.31.21418.21.31.21518.21.31.21618.21.31.21718.21.31.21818.21.31.21918.21.31.22018.21.31.22118.21.31.22218.21.31.22318.21.31.22418.21.31.22518.21.31.22618.21.31.22718.21.31.22818.21.31.22918.21.31.23018.21.31.23118.21.31.23218.21.31.23318.21.31.23418.21.31.23518.21.31.23618.21.31.23718.21.31.23818.21.31.23918.21.31.24018.21.31.24118.21.31.24218.21.31.24318.21.31.24418.21.31.24518.21.31.24618.21.31.24718.21.31.24818.21.31.24918.21.31.25018.21.31.25118.21.31.25218.21.31.25318.21.31.25418.21.31.255