Les adresses IP débutant par 129.236.2 sont fournies par Columbia University, elles appartiennent au CIDR (Classless Inter-Domain Routing) 129.236.0.0/16, le bloc IP comprant les adresses de 129.236.0.0 à 129.236.255.255). Le numéro de système autonome (ASN) est 14.
| ASN | 14 |
| IP commençant par | 129.236.0.0 |
| IP se terminant par | 129.236.255.255 |
| Nom ASN | Columbia University |
| CDIR | 129.236.0.0/16 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 15/07/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Palisades | 41,0109 | -73,9232 | 2019-07-14 |
| MaxMind | US | États-Unis | - | New York | 40,8116 | -73,953 | 2019-07-14 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 129.236.2.0 | 2179727872 | 0 |
| 129.236.2.1 | 2179727873 | 0 |
| 129.236.2.2 | 2179727874 | 0 |
| 129.236.2.3 | 2179727875 | 0 |
| 129.236.2.4 | 2179727876 | 0 |
| 129.236.2.5 | 2179727877 | 0 |
| 129.236.2.6 | 2179727878 | 0 |
| 129.236.2.7 | 2179727879 | 0 |
| 129.236.2.8 | 2179727880 | 0 |
| 129.236.2.9 | 2179727881 | 0 |
| 129.236.2.10 | 2179727882 | 0 |
| 129.236.2.11 | 2179727883 | 0 |
| 129.236.2.12 | 2179727884 | 0 |
| 129.236.2.13 | 2179727885 | 0 |
| 129.236.2.14 | 2179727886 | 0 |
| 129.236.2.15 | 2179727887 | 0 |
| 129.236.2.16 | 2179727888 | 0 |
| 129.236.2.17 | 2179727889 | 0 |
| 129.236.2.18 | 2179727890 | 0 |
| 129.236.2.19 | 2179727891 | 0 |
| 129.236.2.20 | 2179727892 | 0 |
| 129.236.2.21 | 2179727893 | 0 |
| 129.236.2.22 | 2179727894 | 0 |
| 129.236.2.23 | 2179727895 | 0 |
| 129.236.2.24 | 2179727896 | 0 |
| 129.236.2.25 | 2179727897 | 0 |
| 129.236.2.26 | 2179727898 | 0 |
| 129.236.2.27 | 2179727899 | 0 |
| 129.236.2.28 | 2179727900 | 0 |
| 129.236.2.29 | 2179727901 | 0 |
| 129.236.2.30 | 2179727902 | 0 |
| 129.236.2.31 | 2179727903 | 0 |
| 129.236.2.32 | 2179727904 | 0 |
| 129.236.2.33 | 2179727905 | 0 |
| 129.236.2.34 | 2179727906 | 0 |
| 129.236.2.35 | 2179727907 | 0 |
| 129.236.2.36 | 2179727908 | 0 |
| 129.236.2.37 | 2179727909 | 0 |
| 129.236.2.38 | 2179727910 | 0 |
| 129.236.2.39 | 2179727911 | 0 |
| 129.236.2.40 | 2179727912 | 0 |
| 129.236.2.41 | 2179727913 | 0 |
| 129.236.2.42 | 2179727914 | 0 |
| 129.236.2.43 | 2179727915 | 0 |
| 129.236.2.44 | 2179727916 | 0 |
| 129.236.2.45 | 2179727917 | 0 |
| 129.236.2.46 | 2179727918 | 0 |
| 129.236.2.47 | 2179727919 | 0 |
| 129.236.2.48 | 2179727920 | 0 |
| 129.236.2.49 | 2179727921 | 0 |
| 129.236.2.50 | 2179727922 | 0 |
| 129.236.2.51 | 2179727923 | 0 |
| 129.236.2.52 | 2179727924 | 0 |
| 129.236.2.53 | 2179727925 | 0 |
| 129.236.2.54 | 2179727926 | 0 |
| 129.236.2.55 | 2179727927 | 0 |
| 129.236.2.56 | 2179727928 | 0 |
| 129.236.2.57 | 2179727929 | 0 |
| 129.236.2.58 | 2179727930 | 0 |
| 129.236.2.59 | 2179727931 | 0 |
| 129.236.2.60 | 2179727932 | 0 |
| 129.236.2.61 | 2179727933 | 0 |
| 129.236.2.62 | 2179727934 | 0 |
| 129.236.2.63 | 2179727935 | 0 |
| 129.236.2.64 | 2179727936 | 0 |
| 129.236.2.65 | 2179727937 | 0 |
| 129.236.2.66 | 2179727938 | 0 |
| 129.236.2.67 | 2179727939 | 0 |
| 129.236.2.68 | 2179727940 | 0 |
| 129.236.2.69 | 2179727941 | 0 |
| 129.236.2.70 | 2179727942 | 0 |
| 129.236.2.71 | 2179727943 | 0 |
| 129.236.2.72 | 2179727944 | 0 |
| 129.236.2.73 | 2179727945 | 0 |
| 129.236.2.74 | 2179727946 | 0 |
| 129.236.2.75 | 2179727947 | 0 |
| 129.236.2.76 | 2179727948 | 0 |
| 129.236.2.77 | 2179727949 | 0 |
| 129.236.2.78 | 2179727950 | 0 |
| 129.236.2.79 | 2179727951 | 0 |
| 129.236.2.80 | 2179727952 | 0 |
| 129.236.2.81 | 2179727953 | 0 |
| 129.236.2.82 | 2179727954 | 0 |
| 129.236.2.83 | 2179727955 | 0 |
| 129.236.2.84 | 2179727956 | 0 |
| 129.236.2.85 | 2179727957 | 0 |