Les adresses IP débutant par 129.55.45 sont fournies par Massachusetts Institute of Technology, elles appartiennent au CIDR (Classless Inter-Domain Routing) 129.55.0.0/16, le bloc IP comprant les adresses de 129.55.0.0 à 129.55.255.255). Le numéro de système autonome (ASN) est 63.
| ASN | 63 |
| IP commençant par | 129.55.0.0 |
| IP se terminant par | 129.55.255.255 |
| Nom ASN | Massachusetts Institute of Technology |
| CDIR | 129.55.0.0/16 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 24/12/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Cambridge | 42,3751 | -71,1056 | 2017-12-24 |
| MaxMind | US | États-Unis | - | Lexington | 42,4428 | -71,2317 | 2017-12-24 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 129.55.45.0 | 2167876864 | 0 |
| 129.55.45.1 | 2167876865 | 0 |
| 129.55.45.2 | 2167876866 | 0 |
| 129.55.45.3 | 2167876867 | 0 |
| 129.55.45.4 | 2167876868 | 0 |
| 129.55.45.5 | 2167876869 | 0 |
| 129.55.45.6 | 2167876870 | 0 |
| 129.55.45.7 | 2167876871 | 0 |
| 129.55.45.8 | 2167876872 | 0 |
| 129.55.45.9 | 2167876873 | 0 |
| 129.55.45.10 | 2167876874 | 0 |
| 129.55.45.11 | 2167876875 | 0 |
| 129.55.45.12 | 2167876876 | 0 |
| 129.55.45.13 | 2167876877 | 0 |
| 129.55.45.14 | 2167876878 | 0 |
| 129.55.45.15 | 2167876879 | 0 |
| 129.55.45.16 | 2167876880 | 0 |
| 129.55.45.17 | 2167876881 | 0 |
| 129.55.45.18 | 2167876882 | 0 |
| 129.55.45.19 | 2167876883 | 0 |
| 129.55.45.20 | 2167876884 | 0 |
| 129.55.45.21 | 2167876885 | 0 |
| 129.55.45.22 | 2167876886 | 0 |
| 129.55.45.23 | 2167876887 | 0 |
| 129.55.45.24 | 2167876888 | 0 |
| 129.55.45.25 | 2167876889 | 0 |
| 129.55.45.26 | 2167876890 | 0 |
| 129.55.45.27 | 2167876891 | 0 |
| 129.55.45.28 | 2167876892 | 0 |
| 129.55.45.29 | 2167876893 | 0 |
| 129.55.45.30 | 2167876894 | 0 |
| 129.55.45.31 | 2167876895 | 0 |
| 129.55.45.32 | 2167876896 | 0 |
| 129.55.45.33 | 2167876897 | 0 |
| 129.55.45.34 | 2167876898 | 0 |
| 129.55.45.35 | 2167876899 | 0 |
| 129.55.45.36 | 2167876900 | 0 |
| 129.55.45.37 | 2167876901 | 0 |
| 129.55.45.38 | 2167876902 | 0 |
| 129.55.45.39 | 2167876903 | 0 |
| 129.55.45.40 | 2167876904 | 0 |
| 129.55.45.41 | 2167876905 | 0 |
| 129.55.45.42 | 2167876906 | 0 |
| 129.55.45.43 | 2167876907 | 0 |
| 129.55.45.44 | 2167876908 | 0 |
| 129.55.45.45 | 2167876909 | 0 |
| 129.55.45.46 | 2167876910 | 0 |
| 129.55.45.47 | 2167876911 | 0 |
| 129.55.45.48 | 2167876912 | 0 |
| 129.55.45.49 | 2167876913 | 0 |
| 129.55.45.50 | 2167876914 | 0 |
| 129.55.45.51 | 2167876915 | 0 |
| 129.55.45.52 | 2167876916 | 0 |
| 129.55.45.53 | 2167876917 | 0 |
| 129.55.45.54 | 2167876918 | 0 |
| 129.55.45.55 | 2167876919 | 0 |
| 129.55.45.56 | 2167876920 | 0 |
| 129.55.45.57 | 2167876921 | 0 |
| 129.55.45.58 | 2167876922 | 0 |
| 129.55.45.59 | 2167876923 | 0 |
| 129.55.45.60 | 2167876924 | 0 |
| 129.55.45.61 | 2167876925 | 0 |
| 129.55.45.62 | 2167876926 | 0 |
| 129.55.45.63 | 2167876927 | 0 |
| 129.55.45.64 | 2167876928 | 0 |
| 129.55.45.65 | 2167876929 | 0 |
| 129.55.45.66 | 2167876930 | 0 |
| 129.55.45.67 | 2167876931 | 0 |
| 129.55.45.68 | 2167876932 | 0 |
| 129.55.45.69 | 2167876933 | 0 |
| 129.55.45.70 | 2167876934 | 0 |
| 129.55.45.71 | 2167876935 | 0 |
| 129.55.45.72 | 2167876936 | 0 |
| 129.55.45.73 | 2167876937 | 0 |
| 129.55.45.74 | 2167876938 | 0 |
| 129.55.45.75 | 2167876939 | 0 |
| 129.55.45.76 | 2167876940 | 0 |
| 129.55.45.77 | 2167876941 | 0 |
| 129.55.45.78 | 2167876942 | 0 |
| 129.55.45.79 | 2167876943 | 0 |
| 129.55.45.80 | 2167876944 | 0 |
| 129.55.45.81 | 2167876945 | 0 |
| 129.55.45.82 | 2167876946 | 0 |
| 129.55.45.83 | 2167876947 | 0 |
| 129.55.45.84 | 2167876948 | 0 |
| 129.55.45.85 | 2167876949 | 0 |