Les adresses IP débutant par 166.4.203 sont fournies par USDA, elles appartiennent au CIDR (Classless Inter-Domain Routing) 166.4.0.0/15, le bloc IP comprant les adresses de 166.4.0.0 à 166.5.255.255). Le numéro de système autonome (ASN) est 4152.
| ASN | 4152 |
| IP commençant par | 166.4.0.0 |
| IP se terminant par | 166.5.255.255 |
| Nom ASN | USDA |
| CDIR | 166.4.0.0/15 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 22/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Washington | 38,8775 | -77,018 | 2017-09-22 |
| MaxMind | US | États-Unis | - | Washington | 38,8951 | -77,0364 | 2017-09-22 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.4.203.0 | 2785331968 | 0 |
| 166.4.203.1 | 2785331969 | 0 |
| 166.4.203.2 | 2785331970 | 0 |
| 166.4.203.3 | 2785331971 | 0 |
| 166.4.203.4 | 2785331972 | 0 |
| 166.4.203.5 | 2785331973 | 0 |
| 166.4.203.6 | 2785331974 | 0 |
| 166.4.203.7 | 2785331975 | 0 |
| 166.4.203.8 | 2785331976 | 0 |
| 166.4.203.9 | 2785331977 | 0 |
| 166.4.203.10 | 2785331978 | 0 |
| 166.4.203.11 | 2785331979 | 0 |
| 166.4.203.12 | 2785331980 | 0 |
| 166.4.203.13 | 2785331981 | 0 |
| 166.4.203.14 | 2785331982 | 0 |
| 166.4.203.15 | 2785331983 | 0 |
| 166.4.203.16 | 2785331984 | 0 |
| 166.4.203.17 | 2785331985 | 0 |
| 166.4.203.18 | 2785331986 | 0 |
| 166.4.203.19 | 2785331987 | 0 |
| 166.4.203.20 | 2785331988 | 0 |
| 166.4.203.21 | 2785331989 | 0 |
| 166.4.203.22 | 2785331990 | 0 |
| 166.4.203.23 | 2785331991 | 0 |
| 166.4.203.24 | 2785331992 | 0 |
| 166.4.203.25 | 2785331993 | 0 |
| 166.4.203.26 | 2785331994 | 0 |
| 166.4.203.27 | 2785331995 | 0 |
| 166.4.203.28 | 2785331996 | 0 |
| 166.4.203.29 | 2785331997 | 0 |
| 166.4.203.30 | 2785331998 | 0 |
| 166.4.203.31 | 2785331999 | 0 |
| 166.4.203.32 | 2785332000 | 0 |
| 166.4.203.33 | 2785332001 | 0 |
| 166.4.203.34 | 2785332002 | 0 |
| 166.4.203.35 | 2785332003 | 0 |
| 166.4.203.36 | 2785332004 | 0 |
| 166.4.203.37 | 2785332005 | 0 |
| 166.4.203.38 | 2785332006 | 0 |
| 166.4.203.39 | 2785332007 | 0 |
| 166.4.203.40 | 2785332008 | 0 |
| 166.4.203.41 | 2785332009 | 0 |
| 166.4.203.42 | 2785332010 | 0 |
| 166.4.203.43 | 2785332011 | 0 |
| 166.4.203.44 | 2785332012 | 0 |
| 166.4.203.45 | 2785332013 | 0 |
| 166.4.203.46 | 2785332014 | 0 |
| 166.4.203.47 | 2785332015 | 0 |
| 166.4.203.48 | 2785332016 | 0 |
| 166.4.203.49 | 2785332017 | 0 |
| 166.4.203.50 | 2785332018 | 0 |
| 166.4.203.51 | 2785332019 | 0 |
| 166.4.203.52 | 2785332020 | 0 |
| 166.4.203.53 | 2785332021 | 0 |
| 166.4.203.54 | 2785332022 | 0 |
| 166.4.203.55 | 2785332023 | 0 |
| 166.4.203.56 | 2785332024 | 0 |
| 166.4.203.57 | 2785332025 | 0 |
| 166.4.203.58 | 2785332026 | 0 |
| 166.4.203.59 | 2785332027 | 0 |
| 166.4.203.60 | 2785332028 | 0 |
| 166.4.203.61 | 2785332029 | 0 |
| 166.4.203.62 | 2785332030 | 0 |
| 166.4.203.63 | 2785332031 | 0 |
| 166.4.203.64 | 2785332032 | 0 |
| 166.4.203.65 | 2785332033 | 0 |
| 166.4.203.66 | 2785332034 | 0 |
| 166.4.203.67 | 2785332035 | 0 |
| 166.4.203.68 | 2785332036 | 0 |
| 166.4.203.69 | 2785332037 | 0 |
| 166.4.203.70 | 2785332038 | 0 |
| 166.4.203.71 | 2785332039 | 0 |
| 166.4.203.72 | 2785332040 | 0 |
| 166.4.203.73 | 2785332041 | 0 |
| 166.4.203.74 | 2785332042 | 0 |
| 166.4.203.75 | 2785332043 | 0 |
| 166.4.203.76 | 2785332044 | 0 |
| 166.4.203.77 | 2785332045 | 0 |
| 166.4.203.78 | 2785332046 | 0 |
| 166.4.203.79 | 2785332047 | 0 |
| 166.4.203.80 | 2785332048 | 0 |
| 166.4.203.81 | 2785332049 | 0 |
| 166.4.203.82 | 2785332050 | 0 |
| 166.4.203.83 | 2785332051 | 0 |
| 166.4.203.84 | 2785332052 | 0 |
| 166.4.203.85 | 2785332053 | 0 |