Les adresses IP débutant par 166.61.72 sont fournies par MCI Worldcom, elles appartiennent au CIDR (Classless Inter-Domain Routing) 166.61.192.0/20, le bloc IP comprant les adresses de 166.61.192.0 à 166.61.207.255). Le numéro de système autonome (ASN) est 17373.
| ASN | 17373 |
| IP commençant par | 166.61.192.0 |
| IP se terminant par | 166.61.207.255 |
| Nom ASN | MCI Worldcom |
| CDIR | 166.61.192.0/20 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 02/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Ashburn | 39,0341 | -77,4885 | 2017-09-02 |
| MaxMind | US | États-Unis | - | Ashburn | 39,018 | -77,539 | 2017-09-02 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.61.72.0 | 2789033984 | 0 |
| 166.61.72.1 | 2789033985 | 0 |
| 166.61.72.2 | 2789033986 | 0 |
| 166.61.72.3 | 2789033987 | 0 |
| 166.61.72.4 | 2789033988 | 0 |
| 166.61.72.5 | 2789033989 | 0 |
| 166.61.72.6 | 2789033990 | 0 |
| 166.61.72.7 | 2789033991 | 0 |
| 166.61.72.8 | 2789033992 | 0 |
| 166.61.72.9 | 2789033993 | 0 |
| 166.61.72.10 | 2789033994 | 0 |
| 166.61.72.11 | 2789033995 | 0 |
| 166.61.72.12 | 2789033996 | 0 |
| 166.61.72.13 | 2789033997 | 0 |
| 166.61.72.14 | 2789033998 | 0 |
| 166.61.72.15 | 2789033999 | 0 |
| 166.61.72.16 | 2789034000 | 0 |
| 166.61.72.17 | 2789034001 | 0 |
| 166.61.72.18 | 2789034002 | 0 |
| 166.61.72.19 | 2789034003 | 0 |
| 166.61.72.20 | 2789034004 | 0 |
| 166.61.72.21 | 2789034005 | 0 |
| 166.61.72.22 | 2789034006 | 0 |
| 166.61.72.23 | 2789034007 | 0 |
| 166.61.72.24 | 2789034008 | 0 |
| 166.61.72.25 | 2789034009 | 0 |
| 166.61.72.26 | 2789034010 | 0 |
| 166.61.72.27 | 2789034011 | 0 |
| 166.61.72.28 | 2789034012 | 0 |
| 166.61.72.29 | 2789034013 | 0 |
| 166.61.72.30 | 2789034014 | 0 |
| 166.61.72.31 | 2789034015 | 0 |
| 166.61.72.32 | 2789034016 | 0 |
| 166.61.72.33 | 2789034017 | 0 |
| 166.61.72.34 | 2789034018 | 0 |
| 166.61.72.35 | 2789034019 | 0 |
| 166.61.72.36 | 2789034020 | 0 |
| 166.61.72.37 | 2789034021 | 0 |
| 166.61.72.38 | 2789034022 | 0 |
| 166.61.72.39 | 2789034023 | 0 |
| 166.61.72.40 | 2789034024 | 0 |
| 166.61.72.41 | 2789034025 | 0 |
| 166.61.72.42 | 2789034026 | 0 |
| 166.61.72.43 | 2789034027 | 0 |
| 166.61.72.44 | 2789034028 | 0 |
| 166.61.72.45 | 2789034029 | 0 |
| 166.61.72.46 | 2789034030 | 0 |
| 166.61.72.47 | 2789034031 | 0 |
| 166.61.72.48 | 2789034032 | 0 |
| 166.61.72.49 | 2789034033 | 0 |
| 166.61.72.50 | 2789034034 | 0 |
| 166.61.72.51 | 2789034035 | 0 |
| 166.61.72.52 | 2789034036 | 0 |
| 166.61.72.53 | 2789034037 | 0 |
| 166.61.72.54 | 2789034038 | 0 |
| 166.61.72.55 | 2789034039 | 0 |
| 166.61.72.56 | 2789034040 | 0 |
| 166.61.72.57 | 2789034041 | 0 |
| 166.61.72.58 | 2789034042 | 0 |
| 166.61.72.59 | 2789034043 | 0 |
| 166.61.72.60 | 2789034044 | 0 |
| 166.61.72.61 | 2789034045 | 0 |
| 166.61.72.62 | 2789034046 | 0 |
| 166.61.72.63 | 2789034047 | 0 |
| 166.61.72.64 | 2789034048 | 0 |
| 166.61.72.65 | 2789034049 | 0 |
| 166.61.72.66 | 2789034050 | 0 |
| 166.61.72.67 | 2789034051 | 0 |
| 166.61.72.68 | 2789034052 | 0 |
| 166.61.72.69 | 2789034053 | 0 |
| 166.61.72.70 | 2789034054 | 0 |
| 166.61.72.71 | 2789034055 | 0 |
| 166.61.72.72 | 2789034056 | 0 |
| 166.61.72.73 | 2789034057 | 0 |
| 166.61.72.74 | 2789034058 | 0 |
| 166.61.72.75 | 2789034059 | 0 |
| 166.61.72.76 | 2789034060 | 0 |
| 166.61.72.77 | 2789034061 | 0 |
| 166.61.72.78 | 2789034062 | 0 |
| 166.61.72.79 | 2789034063 | 0 |
| 166.61.72.80 | 2789034064 | 0 |
| 166.61.72.81 | 2789034065 | 0 |
| 166.61.72.82 | 2789034066 | 0 |
| 166.61.72.83 | 2789034067 | 0 |
| 166.61.72.84 | 2789034068 | 0 |
| 166.61.72.85 | 2789034069 | 0 |