Les adresses IP débutant par 166.3.121 sont fournies par USDA, elles appartiennent au CIDR (Classless Inter-Domain Routing) 166.2.0.0/15, le bloc IP comprant les adresses de 166.2.0.0 à 166.3.255.255). Le numéro de système autonome (ASN) est 4152.
| ASN | 4152 |
| IP commençant par | 166.2.0.0 |
| IP se terminant par | 166.3.255.255 |
| Nom ASN | USDA |
| CDIR | 166.2.0.0/15 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 15/04/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Washington | 38,8775 | -77,018 | 2018-04-15 |
| MaxMind | US | États-Unis | - | Washington | 38,8951 | -77,0364 | 2018-04-15 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.3.121.0 | 2785245440 | 0 |
| 166.3.121.1 | 2785245441 | 0 |
| 166.3.121.2 | 2785245442 | 0 |
| 166.3.121.3 | 2785245443 | 0 |
| 166.3.121.4 | 2785245444 | 0 |
| 166.3.121.5 | 2785245445 | 0 |
| 166.3.121.6 | 2785245446 | 0 |
| 166.3.121.7 | 2785245447 | 0 |
| 166.3.121.8 | 2785245448 | 0 |
| 166.3.121.9 | 2785245449 | 0 |
| 166.3.121.10 | 2785245450 | 0 |
| 166.3.121.11 | 2785245451 | 0 |
| 166.3.121.12 | 2785245452 | 0 |
| 166.3.121.13 | 2785245453 | 0 |
| 166.3.121.14 | 2785245454 | 0 |
| 166.3.121.15 | 2785245455 | 0 |
| 166.3.121.16 | 2785245456 | 0 |
| 166.3.121.17 | 2785245457 | 0 |
| 166.3.121.18 | 2785245458 | 0 |
| 166.3.121.19 | 2785245459 | 0 |
| 166.3.121.20 | 2785245460 | 0 |
| 166.3.121.21 | 2785245461 | 0 |
| 166.3.121.22 | 2785245462 | 0 |
| 166.3.121.23 | 2785245463 | 0 |
| 166.3.121.24 | 2785245464 | 0 |
| 166.3.121.25 | 2785245465 | 0 |
| 166.3.121.26 | 2785245466 | 0 |
| 166.3.121.27 | 2785245467 | 0 |
| 166.3.121.28 | 2785245468 | 0 |
| 166.3.121.29 | 2785245469 | 0 |
| 166.3.121.30 | 2785245470 | 0 |
| 166.3.121.31 | 2785245471 | 0 |
| 166.3.121.32 | 2785245472 | 0 |
| 166.3.121.33 | 2785245473 | 0 |
| 166.3.121.34 | 2785245474 | 0 |
| 166.3.121.35 | 2785245475 | 0 |
| 166.3.121.36 | 2785245476 | 0 |
| 166.3.121.37 | 2785245477 | 0 |
| 166.3.121.38 | 2785245478 | 0 |
| 166.3.121.39 | 2785245479 | 0 |
| 166.3.121.40 | 2785245480 | 0 |
| 166.3.121.41 | 2785245481 | 0 |
| 166.3.121.42 | 2785245482 | 0 |
| 166.3.121.43 | 2785245483 | 0 |
| 166.3.121.44 | 2785245484 | 0 |
| 166.3.121.45 | 2785245485 | 0 |
| 166.3.121.46 | 2785245486 | 0 |
| 166.3.121.47 | 2785245487 | 0 |
| 166.3.121.48 | 2785245488 | 0 |
| 166.3.121.49 | 2785245489 | 0 |
| 166.3.121.50 | 2785245490 | 0 |
| 166.3.121.51 | 2785245491 | 0 |
| 166.3.121.52 | 2785245492 | 0 |
| 166.3.121.53 | 2785245493 | 0 |
| 166.3.121.54 | 2785245494 | 0 |
| 166.3.121.55 | 2785245495 | 0 |
| 166.3.121.56 | 2785245496 | 0 |
| 166.3.121.57 | 2785245497 | 0 |
| 166.3.121.58 | 2785245498 | 0 |
| 166.3.121.59 | 2785245499 | 0 |
| 166.3.121.60 | 2785245500 | 0 |
| 166.3.121.61 | 2785245501 | 0 |
| 166.3.121.62 | 2785245502 | 0 |
| 166.3.121.63 | 2785245503 | 0 |
| 166.3.121.64 | 2785245504 | 0 |
| 166.3.121.65 | 2785245505 | 0 |
| 166.3.121.66 | 2785245506 | 0 |
| 166.3.121.67 | 2785245507 | 0 |
| 166.3.121.68 | 2785245508 | 0 |
| 166.3.121.69 | 2785245509 | 0 |
| 166.3.121.70 | 2785245510 | 0 |
| 166.3.121.71 | 2785245511 | 0 |
| 166.3.121.72 | 2785245512 | 0 |
| 166.3.121.73 | 2785245513 | 0 |
| 166.3.121.74 | 2785245514 | 0 |
| 166.3.121.75 | 2785245515 | 0 |
| 166.3.121.76 | 2785245516 | 0 |
| 166.3.121.77 | 2785245517 | 0 |
| 166.3.121.78 | 2785245518 | 0 |
| 166.3.121.79 | 2785245519 | 0 |
| 166.3.121.80 | 2785245520 | 0 |
| 166.3.121.81 | 2785245521 | 0 |
| 166.3.121.82 | 2785245522 | 0 |
| 166.3.121.83 | 2785245523 | 0 |
| 166.3.121.84 | 2785245524 | 0 |
| 166.3.121.85 | 2785245525 | 0 |