L'indirizzo IP 91.21.254 è fornito da Internet service provider operations, che è di proprietà del CIDR (Classless Inter-Domain Routing) 91.0.0.0/10, IP tra 91.0.0.0 a 91.63.255.255 ). Il numero di sistema autonomo (ASN) è 3320.
| ASN | 3320 |
| IP inizia con | 91.0.0.0 |
| IP finale con | 91.63.255.255 |
| ASN Nome | Internet service provider operations |
| CDIR | 91.0.0.0/10 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 04/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | DE | Germany | - | Frankfurt am Main | 50,1155 | 8,6842 | 2017-07-03 |
| MaxMind | DE | Germany | - | Weiterstadt | 49,9021 | 8,5997 | 2017-07-03 |
| Whois | DE | - | - | - | 10 | 51 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 91.21.254.0 | 1528167936 | 0 |
| 91.21.254.1 | 1528167937 | 0 |
| 91.21.254.2 | 1528167938 | 0 |
| 91.21.254.3 | 1528167939 | 0 |
| 91.21.254.4 | 1528167940 | 0 |
| 91.21.254.5 | 1528167941 | 0 |
| 91.21.254.6 | 1528167942 | 0 |
| 91.21.254.7 | 1528167943 | 0 |
| 91.21.254.8 | 1528167944 | 0 |
| 91.21.254.9 | 1528167945 | 0 |
| 91.21.254.10 | 1528167946 | 0 |
| 91.21.254.11 | 1528167947 | 0 |
| 91.21.254.12 | 1528167948 | 0 |
| 91.21.254.13 | 1528167949 | 0 |
| 91.21.254.14 | 1528167950 | 0 |
| 91.21.254.15 | 1528167951 | 0 |
| 91.21.254.16 | 1528167952 | 0 |
| 91.21.254.17 | 1528167953 | 0 |
| 91.21.254.18 | 1528167954 | 0 |
| 91.21.254.19 | 1528167955 | 0 |
| 91.21.254.20 | 1528167956 | 0 |
| 91.21.254.21 | 1528167957 | 0 |
| 91.21.254.22 | 1528167958 | 0 |
| 91.21.254.23 | 1528167959 | 0 |
| 91.21.254.24 | 1528167960 | 0 |
| 91.21.254.25 | 1528167961 | 0 |
| 91.21.254.26 | 1528167962 | 0 |
| 91.21.254.27 | 1528167963 | 0 |
| 91.21.254.28 | 1528167964 | 0 |
| 91.21.254.29 | 1528167965 | 0 |
| 91.21.254.30 | 1528167966 | 0 |
| 91.21.254.31 | 1528167967 | 0 |
| 91.21.254.32 | 1528167968 | 0 |
| 91.21.254.33 | 1528167969 | 0 |
| 91.21.254.34 | 1528167970 | 0 |
| 91.21.254.35 | 1528167971 | 0 |
| 91.21.254.36 | 1528167972 | 0 |
| 91.21.254.37 | 1528167973 | 0 |
| 91.21.254.38 | 1528167974 | 0 |
| 91.21.254.39 | 1528167975 | 0 |
| 91.21.254.40 | 1528167976 | 0 |
| 91.21.254.41 | 1528167977 | 0 |
| 91.21.254.42 | 1528167978 | 0 |
| 91.21.254.43 | 1528167979 | 0 |
| 91.21.254.44 | 1528167980 | 0 |
| 91.21.254.45 | 1528167981 | 0 |
| 91.21.254.46 | 1528167982 | 0 |
| 91.21.254.47 | 1528167983 | 0 |
| 91.21.254.48 | 1528167984 | 0 |
| 91.21.254.49 | 1528167985 | 0 |
| 91.21.254.50 | 1528167986 | 0 |
| 91.21.254.51 | 1528167987 | 0 |
| 91.21.254.52 | 1528167988 | 0 |
| 91.21.254.53 | 1528167989 | 0 |
| 91.21.254.54 | 1528167990 | 0 |
| 91.21.254.55 | 1528167991 | 0 |
| 91.21.254.56 | 1528167992 | 0 |
| 91.21.254.57 | 1528167993 | 0 |
| 91.21.254.58 | 1528167994 | 0 |
| 91.21.254.59 | 1528167995 | 0 |
| 91.21.254.60 | 1528167996 | 0 |
| 91.21.254.61 | 1528167997 | 0 |
| 91.21.254.62 | 1528167998 | 0 |
| 91.21.254.63 | 1528167999 | 0 |
| 91.21.254.64 | 1528168000 | 0 |
| 91.21.254.65 | 1528168001 | 0 |
| 91.21.254.66 | 1528168002 | 0 |
| 91.21.254.67 | 1528168003 | 0 |
| 91.21.254.68 | 1528168004 | 0 |
| 91.21.254.69 | 1528168005 | 0 |
| 91.21.254.70 | 1528168006 | 0 |
| 91.21.254.71 | 1528168007 | 0 |
| 91.21.254.72 | 1528168008 | 0 |
| 91.21.254.73 | 1528168009 | 0 |
| 91.21.254.74 | 1528168010 | 0 |
| 91.21.254.75 | 1528168011 | 0 |
| 91.21.254.76 | 1528168012 | 0 |
| 91.21.254.77 | 1528168013 | 0 |
| 91.21.254.78 | 1528168014 | 0 |
| 91.21.254.79 | 1528168015 | 0 |
| 91.21.254.80 | 1528168016 | 0 |
| 91.21.254.81 | 1528168017 | 0 |
| 91.21.254.82 | 1528168018 | 0 |
| 91.21.254.83 | 1528168019 | 0 |
| 91.21.254.84 | 1528168020 | 0 |
| 91.21.254.85 | 1528168021 | 0 |