Les adresses IP débutant par 152.3.131 sont fournies par Duke University, elles appartiennent au CIDR (Classless Inter-Domain Routing) 152.3.0.0/16, le bloc IP comprant les adresses de 152.3.0.0 à 152.3.255.255). Le numéro de système autonome (ASN) est 13371.
| ASN | 13371 |
| IP commençant par | 152.3.0.0 |
| IP se terminant par | 152.3.255.255 |
| Nom ASN | Duke University |
| CDIR | 152.3.0.0/16 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 13/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Durham | 35,9966 | -78,8991 | 2017-09-13 |
| MaxMind | US | États-Unis | - | Durham | 35,9954 | -78,9019 | 2017-09-13 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 152.3.131.0 | 2550366976 | 0 |
| 152.3.131.1 | 2550366977 | 0 |
| 152.3.131.2 | 2550366978 | 0 |
| 152.3.131.3 | 2550366979 | 0 |
| 152.3.131.4 | 2550366980 | 0 |
| 152.3.131.5 | 2550366981 | 0 |
| 152.3.131.6 | 2550366982 | 0 |
| 152.3.131.7 | 2550366983 | 0 |
| 152.3.131.8 | 2550366984 | 0 |
| 152.3.131.9 | 2550366985 | 0 |
| 152.3.131.10 | 2550366986 | 0 |
| 152.3.131.11 | 2550366987 | 0 |
| 152.3.131.12 | 2550366988 | 0 |
| 152.3.131.13 | 2550366989 | 0 |
| 152.3.131.14 | 2550366990 | 0 |
| 152.3.131.15 | 2550366991 | 0 |
| 152.3.131.16 | 2550366992 | 0 |
| 152.3.131.17 | 2550366993 | 0 |
| 152.3.131.18 | 2550366994 | 0 |
| 152.3.131.19 | 2550366995 | 0 |
| 152.3.131.20 | 2550366996 | 0 |
| 152.3.131.21 | 2550366997 | 0 |
| 152.3.131.22 | 2550366998 | 0 |
| 152.3.131.23 | 2550366999 | 0 |
| 152.3.131.24 | 2550367000 | 0 |
| 152.3.131.25 | 2550367001 | 0 |
| 152.3.131.26 | 2550367002 | 0 |
| 152.3.131.27 | 2550367003 | 0 |
| 152.3.131.28 | 2550367004 | 0 |
| 152.3.131.29 | 2550367005 | 0 |
| 152.3.131.30 | 2550367006 | 0 |
| 152.3.131.31 | 2550367007 | 0 |
| 152.3.131.32 | 2550367008 | 0 |
| 152.3.131.33 | 2550367009 | 0 |
| 152.3.131.34 | 2550367010 | 0 |
| 152.3.131.35 | 2550367011 | 0 |
| 152.3.131.36 | 2550367012 | 0 |
| 152.3.131.37 | 2550367013 | 0 |
| 152.3.131.38 | 2550367014 | 0 |
| 152.3.131.39 | 2550367015 | 0 |
| 152.3.131.40 | 2550367016 | 0 |
| 152.3.131.41 | 2550367017 | 0 |
| 152.3.131.42 | 2550367018 | 0 |
| 152.3.131.43 | 2550367019 | 0 |
| 152.3.131.44 | 2550367020 | 0 |
| 152.3.131.45 | 2550367021 | 0 |
| 152.3.131.46 | 2550367022 | 0 |
| 152.3.131.47 | 2550367023 | 0 |
| 152.3.131.48 | 2550367024 | 0 |
| 152.3.131.49 | 2550367025 | 0 |
| 152.3.131.50 | 2550367026 | 0 |
| 152.3.131.51 | 2550367027 | 0 |
| 152.3.131.52 | 2550367028 | 0 |
| 152.3.131.53 | 2550367029 | 0 |
| 152.3.131.54 | 2550367030 | 0 |
| 152.3.131.55 | 2550367031 | 0 |
| 152.3.131.56 | 2550367032 | 0 |
| 152.3.131.57 | 2550367033 | 0 |
| 152.3.131.58 | 2550367034 | 0 |
| 152.3.131.59 | 2550367035 | 0 |
| 152.3.131.60 | 2550367036 | 0 |
| 152.3.131.61 | 2550367037 | 0 |
| 152.3.131.62 | 2550367038 | 0 |
| 152.3.131.63 | 2550367039 | 0 |
| 152.3.131.64 | 2550367040 | 0 |
| 152.3.131.65 | 2550367041 | 0 |
| 152.3.131.66 | 2550367042 | 0 |
| 152.3.131.67 | 2550367043 | 0 |
| 152.3.131.68 | 2550367044 | 0 |
| 152.3.131.69 | 2550367045 | 0 |
| 152.3.131.70 | 2550367046 | 0 |
| 152.3.131.71 | 2550367047 | 0 |
| 152.3.131.72 | 2550367048 | 0 |
| 152.3.131.73 | 2550367049 | 0 |
| 152.3.131.74 | 2550367050 | 0 |
| 152.3.131.75 | 2550367051 | 0 |
| 152.3.131.76 | 2550367052 | 0 |
| 152.3.131.77 | 2550367053 | 0 |
| 152.3.131.78 | 2550367054 | 0 |
| 152.3.131.79 | 2550367055 | 0 |
| 152.3.131.80 | 2550367056 | 0 |
| 152.3.131.81 | 2550367057 | 0 |
| 152.3.131.82 | 2550367058 | 0 |
| 152.3.131.83 | 2550367059 | 0 |
| 152.3.131.84 | 2550367060 | 0 |
| 152.3.131.85 | 2550367061 | 0 |