Les adresses IP débutant par 3.91.71 sont fournies par Level 3 Communications, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 4.0.0.0/8, le bloc IP comprant les adresses de 4.0.0.0 à 4.255.255.255). Le numéro de système autonome (ASN) est 3356.
| ASN | 3356 |
| IP commençant par | 4.0.0.0 |
| IP se terminant par | 4.255.255.255 |
| Nom ASN | Level 3 Communications, Inc. |
| CDIR | 4.0.0.0/8 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 04/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Fairfield | 41,2184 | -73,2517 | 2017-08-04 |
| MaxMind | US | États-Unis | - | Fairfield | 41,1412 | -73,2637 | 2017-08-04 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 3.91.71.0 | 56313600 | 0 |
| 3.91.71.1 | 56313601 | 0 |
| 3.91.71.2 | 56313602 | 0 |
| 3.91.71.3 | 56313603 | 0 |
| 3.91.71.4 | 56313604 | 0 |
| 3.91.71.5 | 56313605 | 0 |
| 3.91.71.6 | 56313606 | 0 |
| 3.91.71.7 | 56313607 | 0 |
| 3.91.71.8 | 56313608 | 0 |
| 3.91.71.9 | 56313609 | 0 |
| 3.91.71.10 | 56313610 | 0 |
| 3.91.71.11 | 56313611 | 0 |
| 3.91.71.12 | 56313612 | 0 |
| 3.91.71.13 | 56313613 | 0 |
| 3.91.71.14 | 56313614 | 0 |
| 3.91.71.15 | 56313615 | 0 |
| 3.91.71.16 | 56313616 | 0 |
| 3.91.71.17 | 56313617 | 0 |
| 3.91.71.18 | 56313618 | 0 |
| 3.91.71.19 | 56313619 | 0 |
| 3.91.71.20 | 56313620 | 0 |
| 3.91.71.21 | 56313621 | 0 |
| 3.91.71.22 | 56313622 | 0 |
| 3.91.71.23 | 56313623 | 0 |
| 3.91.71.24 | 56313624 | 0 |
| 3.91.71.25 | 56313625 | 0 |
| 3.91.71.26 | 56313626 | 0 |
| 3.91.71.27 | 56313627 | 0 |
| 3.91.71.28 | 56313628 | 0 |
| 3.91.71.29 | 56313629 | 0 |
| 3.91.71.30 | 56313630 | 0 |
| 3.91.71.31 | 56313631 | 0 |
| 3.91.71.32 | 56313632 | 0 |
| 3.91.71.33 | 56313633 | 0 |
| 3.91.71.34 | 56313634 | 0 |
| 3.91.71.35 | 56313635 | 0 |
| 3.91.71.36 | 56313636 | 0 |
| 3.91.71.37 | 56313637 | 0 |
| 3.91.71.38 | 56313638 | 0 |
| 3.91.71.39 | 56313639 | 0 |
| 3.91.71.40 | 56313640 | 0 |
| 3.91.71.41 | 56313641 | 0 |
| 3.91.71.42 | 56313642 | 0 |
| 3.91.71.43 | 56313643 | 0 |
| 3.91.71.44 | 56313644 | 0 |
| 3.91.71.45 | 56313645 | 0 |
| 3.91.71.46 | 56313646 | 0 |
| 3.91.71.47 | 56313647 | 0 |
| 3.91.71.48 | 56313648 | 0 |
| 3.91.71.49 | 56313649 | 0 |
| 3.91.71.50 | 56313650 | 0 |
| 3.91.71.51 | 56313651 | 0 |
| 3.91.71.52 | 56313652 | 0 |
| 3.91.71.53 | 56313653 | 0 |
| 3.91.71.54 | 56313654 | 0 |
| 3.91.71.55 | 56313655 | 0 |
| 3.91.71.56 | 56313656 | 0 |
| 3.91.71.57 | 56313657 | 0 |
| 3.91.71.58 | 56313658 | 0 |
| 3.91.71.59 | 56313659 | 0 |
| 3.91.71.60 | 56313660 | 0 |
| 3.91.71.61 | 56313661 | 0 |
| 3.91.71.62 | 56313662 | 0 |
| 3.91.71.63 | 56313663 | 0 |
| 3.91.71.64 | 56313664 | 0 |
| 3.91.71.65 | 56313665 | 0 |
| 3.91.71.66 | 56313666 | 0 |
| 3.91.71.67 | 56313667 | 0 |
| 3.91.71.68 | 56313668 | 0 |
| 3.91.71.69 | 56313669 | 0 |
| 3.91.71.70 | 56313670 | 0 |
| 3.91.71.71 | 56313671 | 0 |
| 3.91.71.72 | 56313672 | 0 |
| 3.91.71.73 | 56313673 | 0 |
| 3.91.71.74 | 56313674 | 0 |
| 3.91.71.75 | 56313675 | 0 |
| 3.91.71.76 | 56313676 | 0 |
| 3.91.71.77 | 56313677 | 0 |
| 3.91.71.78 | 56313678 | 0 |
| 3.91.71.79 | 56313679 | 0 |
| 3.91.71.80 | 56313680 | 0 |
| 3.91.71.81 | 56313681 | 0 |
| 3.91.71.82 | 56313682 | 0 |
| 3.91.71.83 | 56313683 | 0 |
| 3.91.71.84 | 56313684 | 0 |
| 3.91.71.85 | 56313685 | 0 |