Les adresses IP débutant par 3.81.76 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 | arin |
| Dernière mise à jour | 07/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Fairfield | 41,2184 | -73,2517 | 2017-07-03 |
| MaxMind | US | États-Unis | - | Fairfield | 41,1412 | -73,2637 | 2017-07-03 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 3.81.76.0 | 55659520 | 0 |
| 3.81.76.1 | 55659521 | 0 |
| 3.81.76.2 | 55659522 | 0 |
| 3.81.76.3 | 55659523 | 0 |
| 3.81.76.4 | 55659524 | 0 |
| 3.81.76.5 | 55659525 | 0 |
| 3.81.76.6 | 55659526 | 0 |
| 3.81.76.7 | 55659527 | 0 |
| 3.81.76.8 | 55659528 | 0 |
| 3.81.76.9 | 55659529 | 0 |
| 3.81.76.10 | 55659530 | 0 |
| 3.81.76.11 | 55659531 | 0 |
| 3.81.76.12 | 55659532 | 0 |
| 3.81.76.13 | 55659533 | 0 |
| 3.81.76.14 | 55659534 | 0 |
| 3.81.76.15 | 55659535 | 0 |
| 3.81.76.16 | 55659536 | 0 |
| 3.81.76.17 | 55659537 | 0 |
| 3.81.76.18 | 55659538 | 0 |
| 3.81.76.19 | 55659539 | 0 |
| 3.81.76.20 | 55659540 | 0 |
| 3.81.76.21 | 55659541 | 0 |
| 3.81.76.22 | 55659542 | 0 |
| 3.81.76.23 | 55659543 | 0 |
| 3.81.76.24 | 55659544 | 0 |
| 3.81.76.25 | 55659545 | 0 |
| 3.81.76.26 | 55659546 | 0 |
| 3.81.76.27 | 55659547 | 0 |
| 3.81.76.28 | 55659548 | 0 |
| 3.81.76.29 | 55659549 | 0 |
| 3.81.76.30 | 55659550 | 0 |
| 3.81.76.31 | 55659551 | 0 |
| 3.81.76.32 | 55659552 | 0 |
| 3.81.76.33 | 55659553 | 0 |
| 3.81.76.34 | 55659554 | 0 |
| 3.81.76.35 | 55659555 | 0 |
| 3.81.76.36 | 55659556 | 0 |
| 3.81.76.37 | 55659557 | 0 |
| 3.81.76.38 | 55659558 | 0 |
| 3.81.76.39 | 55659559 | 0 |
| 3.81.76.40 | 55659560 | 0 |
| 3.81.76.41 | 55659561 | 0 |
| 3.81.76.42 | 55659562 | 0 |
| 3.81.76.43 | 55659563 | 0 |
| 3.81.76.44 | 55659564 | 0 |
| 3.81.76.45 | 55659565 | 0 |
| 3.81.76.46 | 55659566 | 0 |
| 3.81.76.47 | 55659567 | 0 |
| 3.81.76.48 | 55659568 | 0 |
| 3.81.76.49 | 55659569 | 0 |
| 3.81.76.50 | 55659570 | 0 |
| 3.81.76.51 | 55659571 | 0 |
| 3.81.76.52 | 55659572 | 0 |
| 3.81.76.53 | 55659573 | 0 |
| 3.81.76.54 | 55659574 | 0 |
| 3.81.76.55 | 55659575 | 0 |
| 3.81.76.56 | 55659576 | 0 |
| 3.81.76.57 | 55659577 | 0 |
| 3.81.76.58 | 55659578 | 0 |
| 3.81.76.59 | 55659579 | 0 |
| 3.81.76.60 | 55659580 | 0 |
| 3.81.76.61 | 55659581 | 0 |
| 3.81.76.62 | 55659582 | 0 |
| 3.81.76.63 | 55659583 | 0 |
| 3.81.76.64 | 55659584 | 0 |
| 3.81.76.65 | 55659585 | 0 |
| 3.81.76.66 | 55659586 | 0 |
| 3.81.76.67 | 55659587 | 0 |
| 3.81.76.68 | 55659588 | 0 |
| 3.81.76.69 | 55659589 | 0 |
| 3.81.76.70 | 55659590 | 0 |
| 3.81.76.71 | 55659591 | 0 |
| 3.81.76.72 | 55659592 | 0 |
| 3.81.76.73 | 55659593 | 0 |
| 3.81.76.74 | 55659594 | 0 |
| 3.81.76.75 | 55659595 | 0 |
| 3.81.76.76 | 55659596 | 0 |
| 3.81.76.77 | 55659597 | 0 |
| 3.81.76.78 | 55659598 | 0 |
| 3.81.76.79 | 55659599 | 0 |
| 3.81.76.80 | 55659600 | 0 |
| 3.81.76.81 | 55659601 | 0 |
| 3.81.76.82 | 55659602 | 0 |
| 3.81.76.83 | 55659603 | 0 |
| 3.81.76.84 | 55659604 | 0 |
| 3.81.76.85 | 55659605 | 0 |