L'indirizzo IP 188.97.21 è fornito da International IP-Backbone of Vodafone, che è di proprietà del CIDR (Classless Inter-Domain Routing) 188.96.0.0/12, IP tra 188.96.0.0 a 188.111.255.255 ). Il numero di sistema autonomo (ASN) è 3209.
| ASN | 3209 |
| IP inizia con | 188.96.0.0 |
| IP finale con | 188.111.255.255 |
| ASN Nome | International IP-Backbone of Vodafone |
| CDIR | 188.96.0.0/12 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 17/09/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | DE | Germany | - | Eschborn | 50,1433 | 8,5711 | 2017-09-16 |
| MaxMind | DE | Germany | - | Frankfurt am Main | 50,1167 | 8,6833 | 2017-09-16 |
| Whois | DE | - | - | - | 10 | 51 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 188.97.21.0 | 3160478976 | 0 |
| 188.97.21.1 | 3160478977 | 0 |
| 188.97.21.2 | 3160478978 | 0 |
| 188.97.21.3 | 3160478979 | 0 |
| 188.97.21.4 | 3160478980 | 0 |
| 188.97.21.5 | 3160478981 | 0 |
| 188.97.21.6 | 3160478982 | 0 |
| 188.97.21.7 | 3160478983 | 0 |
| 188.97.21.8 | 3160478984 | 0 |
| 188.97.21.9 | 3160478985 | 0 |
| 188.97.21.10 | 3160478986 | 0 |
| 188.97.21.11 | 3160478987 | 0 |
| 188.97.21.12 | 3160478988 | 0 |
| 188.97.21.13 | 3160478989 | 0 |
| 188.97.21.14 | 3160478990 | 0 |
| 188.97.21.15 | 3160478991 | 0 |
| 188.97.21.16 | 3160478992 | 0 |
| 188.97.21.17 | 3160478993 | 0 |
| 188.97.21.18 | 3160478994 | 0 |
| 188.97.21.19 | 3160478995 | 0 |
| 188.97.21.20 | 3160478996 | 0 |
| 188.97.21.21 | 3160478997 | 0 |
| 188.97.21.22 | 3160478998 | 0 |
| 188.97.21.23 | 3160478999 | 0 |
| 188.97.21.24 | 3160479000 | 0 |
| 188.97.21.25 | 3160479001 | 0 |
| 188.97.21.26 | 3160479002 | 0 |
| 188.97.21.27 | 3160479003 | 0 |
| 188.97.21.28 | 3160479004 | 0 |
| 188.97.21.29 | 3160479005 | 0 |
| 188.97.21.30 | 3160479006 | 0 |
| 188.97.21.31 | 3160479007 | 0 |
| 188.97.21.32 | 3160479008 | 0 |
| 188.97.21.33 | 3160479009 | 0 |
| 188.97.21.34 | 3160479010 | 0 |
| 188.97.21.35 | 3160479011 | 0 |
| 188.97.21.36 | 3160479012 | 0 |
| 188.97.21.37 | 3160479013 | 0 |
| 188.97.21.38 | 3160479014 | 0 |
| 188.97.21.39 | 3160479015 | 0 |
| 188.97.21.40 | 3160479016 | 0 |
| 188.97.21.41 | 3160479017 | 0 |
| 188.97.21.42 | 3160479018 | 0 |
| 188.97.21.43 | 3160479019 | 0 |
| 188.97.21.44 | 3160479020 | 0 |
| 188.97.21.45 | 3160479021 | 0 |
| 188.97.21.46 | 3160479022 | 0 |
| 188.97.21.47 | 3160479023 | 0 |
| 188.97.21.48 | 3160479024 | 0 |
| 188.97.21.49 | 3160479025 | 0 |
| 188.97.21.50 | 3160479026 | 0 |
| 188.97.21.51 | 3160479027 | 0 |
| 188.97.21.52 | 3160479028 | 0 |
| 188.97.21.53 | 3160479029 | 0 |
| 188.97.21.54 | 3160479030 | 0 |
| 188.97.21.55 | 3160479031 | 0 |
| 188.97.21.56 | 3160479032 | 0 |
| 188.97.21.57 | 3160479033 | 0 |
| 188.97.21.58 | 3160479034 | 0 |
| 188.97.21.59 | 3160479035 | 0 |
| 188.97.21.60 | 3160479036 | 0 |
| 188.97.21.61 | 3160479037 | 0 |
| 188.97.21.62 | 3160479038 | 0 |
| 188.97.21.63 | 3160479039 | 0 |
| 188.97.21.64 | 3160479040 | 0 |
| 188.97.21.65 | 3160479041 | 0 |
| 188.97.21.66 | 3160479042 | 0 |
| 188.97.21.67 | 3160479043 | 0 |
| 188.97.21.68 | 3160479044 | 0 |
| 188.97.21.69 | 3160479045 | 0 |
| 188.97.21.70 | 3160479046 | 0 |
| 188.97.21.71 | 3160479047 | 0 |
| 188.97.21.72 | 3160479048 | 0 |
| 188.97.21.73 | 3160479049 | 0 |
| 188.97.21.74 | 3160479050 | 0 |
| 188.97.21.75 | 3160479051 | 0 |
| 188.97.21.76 | 3160479052 | 0 |
| 188.97.21.77 | 3160479053 | 0 |
| 188.97.21.78 | 3160479054 | 0 |
| 188.97.21.79 | 3160479055 | 0 |
| 188.97.21.80 | 3160479056 | 0 |
| 188.97.21.81 | 3160479057 | 0 |
| 188.97.21.82 | 3160479058 | 0 |
| 188.97.21.83 | 3160479059 | 0 |
| 188.97.21.84 | 3160479060 | 0 |
| 188.97.21.85 | 3160479061 | 0 |