Les adresses IP débutant par 199.3.121 sont fournies par Sprint, elles appartiennent au CIDR (Classless Inter-Domain Routing) 199.0.0.0/14, le bloc IP comprant les adresses de 199.0.0.0 à 199.3.255.255). Le numéro de système autonome (ASN) est 1239.
| ASN | 1239 |
| IP commençant par | 199.0.0.0 |
| IP se terminant par | 199.3.255.255 |
| Nom ASN | Sprint |
| CDIR | 199.0.0.0/14 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 21/05/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Miami | 25,7766 | -80,2897 | 2018-05-21 |
| MaxMind | US | États-Unis | - | Miami | 25,7889 | -80,2962 | 2018-05-21 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 199.3.121.0 | 3338893568 | 0 |
| 199.3.121.1 | 3338893569 | 0 |
| 199.3.121.2 | 3338893570 | 0 |
| 199.3.121.3 | 3338893571 | 0 |
| 199.3.121.4 | 3338893572 | 0 |
| 199.3.121.5 | 3338893573 | 0 |
| 199.3.121.6 | 3338893574 | 0 |
| 199.3.121.7 | 3338893575 | 0 |
| 199.3.121.8 | 3338893576 | 0 |
| 199.3.121.9 | 3338893577 | 0 |
| 199.3.121.10 | 3338893578 | 0 |
| 199.3.121.11 | 3338893579 | 0 |
| 199.3.121.12 | 3338893580 | 0 |
| 199.3.121.13 | 3338893581 | 0 |
| 199.3.121.14 | 3338893582 | 0 |
| 199.3.121.15 | 3338893583 | 0 |
| 199.3.121.16 | 3338893584 | 0 |
| 199.3.121.17 | 3338893585 | 0 |
| 199.3.121.18 | 3338893586 | 0 |
| 199.3.121.19 | 3338893587 | 0 |
| 199.3.121.20 | 3338893588 | 0 |
| 199.3.121.21 | 3338893589 | 0 |
| 199.3.121.22 | 3338893590 | 0 |
| 199.3.121.23 | 3338893591 | 0 |
| 199.3.121.24 | 3338893592 | 0 |
| 199.3.121.25 | 3338893593 | 0 |
| 199.3.121.26 | 3338893594 | 0 |
| 199.3.121.27 | 3338893595 | 0 |
| 199.3.121.28 | 3338893596 | 0 |
| 199.3.121.29 | 3338893597 | 0 |
| 199.3.121.30 | 3338893598 | 0 |
| 199.3.121.31 | 3338893599 | 0 |
| 199.3.121.32 | 3338893600 | 0 |
| 199.3.121.33 | 3338893601 | 0 |
| 199.3.121.34 | 3338893602 | 0 |
| 199.3.121.35 | 3338893603 | 0 |
| 199.3.121.36 | 3338893604 | 0 |
| 199.3.121.37 | 3338893605 | 0 |
| 199.3.121.38 | 3338893606 | 0 |
| 199.3.121.39 | 3338893607 | 0 |
| 199.3.121.40 | 3338893608 | 0 |
| 199.3.121.41 | 3338893609 | 0 |
| 199.3.121.42 | 3338893610 | 0 |
| 199.3.121.43 | 3338893611 | 0 |
| 199.3.121.44 | 3338893612 | 0 |
| 199.3.121.45 | 3338893613 | 0 |
| 199.3.121.46 | 3338893614 | 0 |
| 199.3.121.47 | 3338893615 | 0 |
| 199.3.121.48 | 3338893616 | 0 |
| 199.3.121.49 | 3338893617 | 0 |
| 199.3.121.50 | 3338893618 | 0 |
| 199.3.121.51 | 3338893619 | 0 |
| 199.3.121.52 | 3338893620 | 0 |
| 199.3.121.53 | 3338893621 | 0 |
| 199.3.121.54 | 3338893622 | 0 |
| 199.3.121.55 | 3338893623 | 0 |
| 199.3.121.56 | 3338893624 | 0 |
| 199.3.121.57 | 3338893625 | 0 |
| 199.3.121.58 | 3338893626 | 0 |
| 199.3.121.59 | 3338893627 | 0 |
| 199.3.121.60 | 3338893628 | 0 |
| 199.3.121.61 | 3338893629 | 0 |
| 199.3.121.62 | 3338893630 | 0 |
| 199.3.121.63 | 3338893631 | 0 |
| 199.3.121.64 | 3338893632 | 0 |
| 199.3.121.65 | 3338893633 | 0 |
| 199.3.121.66 | 3338893634 | 0 |
| 199.3.121.67 | 3338893635 | 0 |
| 199.3.121.68 | 3338893636 | 0 |
| 199.3.121.69 | 3338893637 | 0 |
| 199.3.121.70 | 3338893638 | 0 |
| 199.3.121.71 | 3338893639 | 0 |
| 199.3.121.72 | 3338893640 | 0 |
| 199.3.121.73 | 3338893641 | 0 |
| 199.3.121.74 | 3338893642 | 0 |
| 199.3.121.75 | 3338893643 | 0 |
| 199.3.121.76 | 3338893644 | 0 |
| 199.3.121.77 | 3338893645 | 0 |
| 199.3.121.78 | 3338893646 | 0 |
| 199.3.121.79 | 3338893647 | 0 |
| 199.3.121.80 | 3338893648 | 0 |
| 199.3.121.81 | 3338893649 | 0 |
| 199.3.121.82 | 3338893650 | 0 |
| 199.3.121.83 | 3338893651 | 0 |
| 199.3.121.84 | 3338893652 | 0 |
| 199.3.121.85 | 3338893653 | 0 |