Die IP-Adresse 104.28.21 erfolgt über CloudFlare, Inc., es hat gehören zu den GGDV (Classless Inter-Domain Routing) 104.16.0.0/12 (Bereich 104.16.0.0, 104.31.255.255). Die autonomen Systemnummer (ASN) ist 13335.
| ASN | 13335 |
| Ausgehend von IP | 104.16.0.0 |
| Beendigung durch IP | 104.31.255.255 |
| ASN-Namen | CloudFlare, Inc. |
| GGDV | 104.16.0.0/12 |
| Numerische IP | |
| Registrierung | arin |
| Letztes update | 09.07.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Phoenix | 33,4484 | -112,074 | 2017-07-08 |
| MaxMind | US | USA | - | San Francisco | 37,7697 | -122,3933 | 2017-07-08 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 104.28.21.0 | 1746670848 | 0 |
| 104.28.21.1 | 1746670849 | 0 |
| 104.28.21.2 | 1746670850 | 0 |
| 104.28.21.3 | 1746670851 | 0 |
| 104.28.21.4 | 1746670852 | 0 |
| 104.28.21.5 | 1746670853 | 0 |
| 104.28.21.6 | 1746670854 | 0 |
| 104.28.21.7 | 1746670855 | 0 |
| 104.28.21.8 | 1746670856 | 0 |
| 104.28.21.9 | 1746670857 | 0 |
| 104.28.21.10 | 1746670858 | 0 |
| 104.28.21.11 | 1746670859 | 0 |
| 104.28.21.12 | 1746670860 | 0 |
| 104.28.21.13 | 1746670861 | 0 |
| 104.28.21.14 | 1746670862 | 0 |
| 104.28.21.15 | 1746670863 | 0 |
| 104.28.21.16 | 1746670864 | 0 |
| 104.28.21.17 | 1746670865 | 0 |
| 104.28.21.18 | 1746670866 | 0 |
| 104.28.21.19 | 1746670867 | 0 |
| 104.28.21.20 | 1746670868 | 0 |
| 104.28.21.21 | 1746670869 | 0 |
| 104.28.21.22 | 1746670870 | 0 |
| 104.28.21.23 | 1746670871 | 0 |
| 104.28.21.24 | 1746670872 | 0 |
| 104.28.21.25 | 1746670873 | 0 |
| 104.28.21.26 | 1746670874 | 0 |
| 104.28.21.27 | 1746670875 | 0 |
| 104.28.21.28 | 1746670876 | 0 |
| 104.28.21.29 | 1746670877 | 0 |
| 104.28.21.30 | 1746670878 | 0 |
| 104.28.21.31 | 1746670879 | 0 |
| 104.28.21.32 | 1746670880 | 0 |
| 104.28.21.33 | 1746670881 | 0 |
| 104.28.21.34 | 1746670882 | 0 |
| 104.28.21.35 | 1746670883 | 0 |
| 104.28.21.36 | 1746670884 | 0 |
| 104.28.21.37 | 1746670885 | 0 |
| 104.28.21.38 | 1746670886 | 0 |
| 104.28.21.39 | 1746670887 | 0 |
| 104.28.21.40 | 1746670888 | 0 |
| 104.28.21.41 | 1746670889 | 0 |
| 104.28.21.42 | 1746670890 | 0 |
| 104.28.21.43 | 1746670891 | 0 |
| 104.28.21.44 | 1746670892 | 0 |
| 104.28.21.45 | 1746670893 | 0 |
| 104.28.21.46 | 1746670894 | 0 |
| 104.28.21.47 | 1746670895 | 0 |
| 104.28.21.48 | 1746670896 | 0 |
| 104.28.21.49 | 1746670897 | 0 |
| 104.28.21.50 | 1746670898 | 0 |
| 104.28.21.51 | 1746670899 | 0 |
| 104.28.21.52 | 1746670900 | 0 |
| 104.28.21.53 | 1746670901 | 0 |
| 104.28.21.54 | 1746670902 | 0 |
| 104.28.21.55 | 1746670903 | 0 |
| 104.28.21.56 | 1746670904 | 0 |
| 104.28.21.57 | 1746670905 | 0 |
| 104.28.21.58 | 1746670906 | 0 |
| 104.28.21.59 | 1746670907 | 0 |
| 104.28.21.60 | 1746670908 | 0 |
| 104.28.21.61 | 1746670909 | 0 |
| 104.28.21.62 | 1746670910 | 0 |
| 104.28.21.63 | 1746670911 | 0 |
| 104.28.21.64 | 1746670912 | 0 |
| 104.28.21.65 | 1746670913 | 0 |
| 104.28.21.66 | 1746670914 | 0 |
| 104.28.21.67 | 1746670915 | 0 |
| 104.28.21.68 | 1746670916 | 0 |
| 104.28.21.69 | 1746670917 | 0 |
| 104.28.21.70 | 1746670918 | 0 |
| 104.28.21.71 | 1746670919 | 0 |
| 104.28.21.72 | 1746670920 | 0 |
| 104.28.21.73 | 1746670921 | 0 |
| 104.28.21.74 | 1746670922 | 0 |
| 104.28.21.75 | 1746670923 | 0 |
| 104.28.21.76 | 1746670924 | 0 |
| 104.28.21.77 | 1746670925 | 0 |
| 104.28.21.78 | 1746670926 | 0 |
| 104.28.21.79 | 1746670927 | 0 |
| 104.28.21.80 | 1746670928 | 0 |
| 104.28.21.81 | 1746670929 | 0 |
| 104.28.21.82 | 1746670930 | 0 |
| 104.28.21.83 | 1746670931 | 0 |
| 104.28.21.84 | 1746670932 | 0 |
| 104.28.21.85 | 1746670933 | 0 |