L'indirizzo IP 3.91.87 è fornito da Level 3 Communications, Inc., che è di proprietà del CIDR (Classless Inter-Domain Routing) 4.0.0.0/8, IP tra 4.0.0.0 a 4.255.255.255 ). Il numero di sistema autonomo (ASN) è 3356.
| ASN | 3356 |
| IP inizia con | 4.0.0.0 |
| IP finale con | 4.255.255.255 |
| ASN Nome | Level 3 Communications, Inc. |
| CDIR | 4.0.0.0/8 |
| IP numerico | |
| Registe | |
| Ultimo aggiornamento | 10/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Fairfield | 41,2184 | -73,2517 | 2017-07-09 |
| MaxMind | US | United States | - | Fairfield | 41,1412 | -73,2637 | 2017-07-09 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 3.91.87.0 | 56317696 | 0 |
| 3.91.87.1 | 56317697 | 0 |
| 3.91.87.2 | 56317698 | 0 |
| 3.91.87.3 | 56317699 | 0 |
| 3.91.87.4 | 56317700 | 0 |
| 3.91.87.5 | 56317701 | 0 |
| 3.91.87.6 | 56317702 | 0 |
| 3.91.87.7 | 56317703 | 0 |
| 3.91.87.8 | 56317704 | 0 |
| 3.91.87.9 | 56317705 | 0 |
| 3.91.87.10 | 56317706 | 0 |
| 3.91.87.11 | 56317707 | 0 |
| 3.91.87.12 | 56317708 | 0 |
| 3.91.87.13 | 56317709 | 0 |
| 3.91.87.14 | 56317710 | 0 |
| 3.91.87.15 | 56317711 | 0 |
| 3.91.87.16 | 56317712 | 0 |
| 3.91.87.17 | 56317713 | 0 |
| 3.91.87.18 | 56317714 | 0 |
| 3.91.87.19 | 56317715 | 0 |
| 3.91.87.20 | 56317716 | 0 |
| 3.91.87.21 | 56317717 | 0 |
| 3.91.87.22 | 56317718 | 0 |
| 3.91.87.23 | 56317719 | 0 |
| 3.91.87.24 | 56317720 | 0 |
| 3.91.87.25 | 56317721 | 0 |
| 3.91.87.26 | 56317722 | 0 |
| 3.91.87.27 | 56317723 | 0 |
| 3.91.87.28 | 56317724 | 0 |
| 3.91.87.29 | 56317725 | 0 |
| 3.91.87.30 | 56317726 | 0 |
| 3.91.87.31 | 56317727 | 0 |
| 3.91.87.32 | 56317728 | 0 |
| 3.91.87.33 | 56317729 | 0 |
| 3.91.87.34 | 56317730 | 0 |
| 3.91.87.35 | 56317731 | 0 |
| 3.91.87.36 | 56317732 | 0 |
| 3.91.87.37 | 56317733 | 0 |
| 3.91.87.38 | 56317734 | 0 |
| 3.91.87.39 | 56317735 | 0 |
| 3.91.87.40 | 56317736 | 0 |
| 3.91.87.41 | 56317737 | 0 |
| 3.91.87.42 | 56317738 | 0 |
| 3.91.87.43 | 56317739 | 0 |
| 3.91.87.44 | 56317740 | 0 |
| 3.91.87.45 | 56317741 | 0 |
| 3.91.87.46 | 56317742 | 0 |
| 3.91.87.47 | 56317743 | 0 |
| 3.91.87.48 | 56317744 | 0 |
| 3.91.87.49 | 56317745 | 0 |
| 3.91.87.50 | 56317746 | 0 |
| 3.91.87.51 | 56317747 | 0 |
| 3.91.87.52 | 56317748 | 0 |
| 3.91.87.53 | 56317749 | 0 |
| 3.91.87.54 | 56317750 | 0 |
| 3.91.87.55 | 56317751 | 0 |
| 3.91.87.56 | 56317752 | 0 |
| 3.91.87.57 | 56317753 | 0 |
| 3.91.87.58 | 56317754 | 0 |
| 3.91.87.59 | 56317755 | 0 |
| 3.91.87.60 | 56317756 | 0 |
| 3.91.87.61 | 56317757 | 0 |
| 3.91.87.62 | 56317758 | 0 |
| 3.91.87.63 | 56317759 | 0 |
| 3.91.87.64 | 56317760 | 0 |
| 3.91.87.65 | 56317761 | 0 |
| 3.91.87.66 | 56317762 | 0 |
| 3.91.87.67 | 56317763 | 0 |
| 3.91.87.68 | 56317764 | 0 |
| 3.91.87.69 | 56317765 | 0 |
| 3.91.87.70 | 56317766 | 0 |
| 3.91.87.71 | 56317767 | 0 |
| 3.91.87.72 | 56317768 | 0 |
| 3.91.87.73 | 56317769 | 0 |
| 3.91.87.74 | 56317770 | 0 |
| 3.91.87.75 | 56317771 | 0 |
| 3.91.87.76 | 56317772 | 0 |
| 3.91.87.77 | 56317773 | 0 |
| 3.91.87.78 | 56317774 | 0 |
| 3.91.87.79 | 56317775 | 0 |
| 3.91.87.80 | 56317776 | 0 |
| 3.91.87.81 | 56317777 | 0 |
| 3.91.87.82 | 56317778 | 0 |
| 3.91.87.83 | 56317779 | 0 |
| 3.91.87.84 | 56317780 | 0 |
| 3.91.87.85 | 56317781 | 0 |