L'indirizzo IP 3.99.66 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 | 28/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Fairfield | 41,2184 | -73,2517 | 2017-07-03 |
| MaxMind | US | United States | - | Fairfield | 41,1412 | -73,2637 | 2017-07-03 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 3.99.66.0 | 56836608 | 0 |
| 3.99.66.1 | 56836609 | 0 |
| 3.99.66.2 | 56836610 | 0 |
| 3.99.66.3 | 56836611 | 0 |
| 3.99.66.4 | 56836612 | 0 |
| 3.99.66.5 | 56836613 | 0 |
| 3.99.66.6 | 56836614 | 0 |
| 3.99.66.7 | 56836615 | 0 |
| 3.99.66.8 | 56836616 | 0 |
| 3.99.66.9 | 56836617 | 0 |
| 3.99.66.10 | 56836618 | 0 |
| 3.99.66.11 | 56836619 | 0 |
| 3.99.66.12 | 56836620 | 0 |
| 3.99.66.13 | 56836621 | 0 |
| 3.99.66.14 | 56836622 | 0 |
| 3.99.66.15 | 56836623 | 0 |
| 3.99.66.16 | 56836624 | 0 |
| 3.99.66.17 | 56836625 | 0 |
| 3.99.66.18 | 56836626 | 0 |
| 3.99.66.19 | 56836627 | 0 |
| 3.99.66.20 | 56836628 | 0 |
| 3.99.66.21 | 56836629 | 0 |
| 3.99.66.22 | 56836630 | 0 |
| 3.99.66.23 | 56836631 | 0 |
| 3.99.66.24 | 56836632 | 0 |
| 3.99.66.25 | 56836633 | 0 |
| 3.99.66.26 | 56836634 | 0 |
| 3.99.66.27 | 56836635 | 0 |
| 3.99.66.28 | 56836636 | 0 |
| 3.99.66.29 | 56836637 | 0 |
| 3.99.66.30 | 56836638 | 0 |
| 3.99.66.31 | 56836639 | 0 |
| 3.99.66.32 | 56836640 | 0 |
| 3.99.66.33 | 56836641 | 0 |
| 3.99.66.34 | 56836642 | 0 |
| 3.99.66.35 | 56836643 | 0 |
| 3.99.66.36 | 56836644 | 0 |
| 3.99.66.37 | 56836645 | 0 |
| 3.99.66.38 | 56836646 | 0 |
| 3.99.66.39 | 56836647 | 0 |
| 3.99.66.40 | 56836648 | 0 |
| 3.99.66.41 | 56836649 | 0 |
| 3.99.66.42 | 56836650 | 0 |
| 3.99.66.43 | 56836651 | 0 |
| 3.99.66.44 | 56836652 | 0 |
| 3.99.66.45 | 56836653 | 0 |
| 3.99.66.46 | 56836654 | 0 |
| 3.99.66.47 | 56836655 | 0 |
| 3.99.66.48 | 56836656 | 0 |
| 3.99.66.49 | 56836657 | 0 |
| 3.99.66.50 | 56836658 | 0 |
| 3.99.66.51 | 56836659 | 0 |
| 3.99.66.52 | 56836660 | 0 |
| 3.99.66.53 | 56836661 | 0 |
| 3.99.66.54 | 56836662 | 0 |
| 3.99.66.55 | 56836663 | 0 |
| 3.99.66.56 | 56836664 | 0 |
| 3.99.66.57 | 56836665 | 0 |
| 3.99.66.58 | 56836666 | 0 |
| 3.99.66.59 | 56836667 | 0 |
| 3.99.66.60 | 56836668 | 0 |
| 3.99.66.61 | 56836669 | 0 |
| 3.99.66.62 | 56836670 | 0 |
| 3.99.66.63 | 56836671 | 0 |
| 3.99.66.64 | 56836672 | 0 |
| 3.99.66.65 | 56836673 | 0 |
| 3.99.66.66 | 56836674 | 0 |
| 3.99.66.67 | 56836675 | 0 |
| 3.99.66.68 | 56836676 | 0 |
| 3.99.66.69 | 56836677 | 0 |
| 3.99.66.70 | 56836678 | 0 |
| 3.99.66.71 | 56836679 | 0 |
| 3.99.66.72 | 56836680 | 0 |
| 3.99.66.73 | 56836681 | 0 |
| 3.99.66.74 | 56836682 | 0 |
| 3.99.66.75 | 56836683 | 0 |
| 3.99.66.76 | 56836684 | 0 |
| 3.99.66.77 | 56836685 | 0 |
| 3.99.66.78 | 56836686 | 0 |
| 3.99.66.79 | 56836687 | 0 |
| 3.99.66.80 | 56836688 | 0 |
| 3.99.66.81 | 56836689 | 0 |
| 3.99.66.82 | 56836690 | 0 |
| 3.99.66.83 | 56836691 | 0 |
| 3.99.66.84 | 56836692 | 0 |
| 3.99.66.85 | 56836693 | 0 |