Les adresses IP débutant par 152.3.239 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 | 04/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Durham | 35,9966 | -78,8991 | 2017-09-04 |
| MaxMind | US | États-Unis | - | Durham | 35,9954 | -78,9019 | 2017-09-04 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 152.3.239.0 | 2550394624 | 0 |
| 152.3.239.1 | 2550394625 | 0 |
| 152.3.239.2 | 2550394626 | 0 |
| 152.3.239.3 | 2550394627 | 0 |
| 152.3.239.4 | 2550394628 | 0 |
| 152.3.239.5 | 2550394629 | 0 |
| 152.3.239.6 | 2550394630 | 0 |
| 152.3.239.7 | 2550394631 | 0 |
| 152.3.239.8 | 2550394632 | 0 |
| 152.3.239.9 | 2550394633 | 0 |
| 152.3.239.10 | 2550394634 | 0 |
| 152.3.239.11 | 2550394635 | 0 |
| 152.3.239.12 | 2550394636 | 0 |
| 152.3.239.13 | 2550394637 | 0 |
| 152.3.239.14 | 2550394638 | 0 |
| 152.3.239.15 | 2550394639 | 0 |
| 152.3.239.16 | 2550394640 | 0 |
| 152.3.239.17 | 2550394641 | 0 |
| 152.3.239.18 | 2550394642 | 0 |
| 152.3.239.19 | 2550394643 | 0 |
| 152.3.239.20 | 2550394644 | 0 |
| 152.3.239.21 | 2550394645 | 0 |
| 152.3.239.22 | 2550394646 | 0 |
| 152.3.239.23 | 2550394647 | 0 |
| 152.3.239.24 | 2550394648 | 0 |
| 152.3.239.25 | 2550394649 | 0 |
| 152.3.239.26 | 2550394650 | 0 |
| 152.3.239.27 | 2550394651 | 0 |
| 152.3.239.28 | 2550394652 | 0 |
| 152.3.239.29 | 2550394653 | 0 |
| 152.3.239.30 | 2550394654 | 0 |
| 152.3.239.31 | 2550394655 | 0 |
| 152.3.239.32 | 2550394656 | 0 |
| 152.3.239.33 | 2550394657 | 0 |
| 152.3.239.34 | 2550394658 | 0 |
| 152.3.239.35 | 2550394659 | 0 |
| 152.3.239.36 | 2550394660 | 0 |
| 152.3.239.37 | 2550394661 | 0 |
| 152.3.239.38 | 2550394662 | 0 |
| 152.3.239.39 | 2550394663 | 0 |
| 152.3.239.40 | 2550394664 | 0 |
| 152.3.239.41 | 2550394665 | 0 |
| 152.3.239.42 | 2550394666 | 0 |
| 152.3.239.43 | 2550394667 | 0 |
| 152.3.239.44 | 2550394668 | 0 |
| 152.3.239.45 | 2550394669 | 0 |
| 152.3.239.46 | 2550394670 | 0 |
| 152.3.239.47 | 2550394671 | 0 |
| 152.3.239.48 | 2550394672 | 0 |
| 152.3.239.49 | 2550394673 | 0 |
| 152.3.239.50 | 2550394674 | 0 |
| 152.3.239.51 | 2550394675 | 0 |
| 152.3.239.52 | 2550394676 | 0 |
| 152.3.239.53 | 2550394677 | 0 |
| 152.3.239.54 | 2550394678 | 0 |
| 152.3.239.55 | 2550394679 | 0 |
| 152.3.239.56 | 2550394680 | 0 |
| 152.3.239.57 | 2550394681 | 0 |
| 152.3.239.58 | 2550394682 | 0 |
| 152.3.239.59 | 2550394683 | 0 |
| 152.3.239.60 | 2550394684 | 0 |
| 152.3.239.61 | 2550394685 | 0 |
| 152.3.239.62 | 2550394686 | 0 |
| 152.3.239.63 | 2550394687 | 0 |
| 152.3.239.64 | 2550394688 | 0 |
| 152.3.239.65 | 2550394689 | 0 |
| 152.3.239.66 | 2550394690 | 0 |
| 152.3.239.67 | 2550394691 | 0 |
| 152.3.239.68 | 2550394692 | 0 |
| 152.3.239.69 | 2550394693 | 0 |
| 152.3.239.70 | 2550394694 | 0 |
| 152.3.239.71 | 2550394695 | 0 |
| 152.3.239.72 | 2550394696 | 0 |
| 152.3.239.73 | 2550394697 | 0 |
| 152.3.239.74 | 2550394698 | 0 |
| 152.3.239.75 | 2550394699 | 0 |
| 152.3.239.76 | 2550394700 | 0 |
| 152.3.239.77 | 2550394701 | 0 |
| 152.3.239.78 | 2550394702 | 0 |
| 152.3.239.79 | 2550394703 | 0 |
| 152.3.239.80 | 2550394704 | 0 |
| 152.3.239.81 | 2550394705 | 0 |
| 152.3.239.82 | 2550394706 | 0 |
| 152.3.239.83 | 2550394707 | 0 |
| 152.3.239.84 | 2550394708 | 0 |
| 152.3.239.85 | 2550394709 | 0 |