Die IP-Adresse 21.99.76 erfolgt über China Education and Research Network Center, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 22.30.204.0/23 (Bereich 22.30.204.0, 22.30.205.255). Die autonomen Systemnummer (ASN) ist 4538.
| ASN | 4538 |
| Ausgehend von IP | 22.30.204.0 |
| Beendigung durch IP | 22.30.205.255 |
| ASN-Namen | China Education and Research Network Center |
| GGDV | 22.30.204.0/23 |
| Numerische IP | |
| Registrierung | |
| Letztes update | 01.11.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Columbus | 39,9664 | -83,0128 | 2017-11-01 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2017-11-01 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.99.76.0 | 358829056 | 0 |
| 21.99.76.1 | 358829057 | 0 |
| 21.99.76.2 | 358829058 | 0 |
| 21.99.76.3 | 358829059 | 0 |
| 21.99.76.4 | 358829060 | 0 |
| 21.99.76.5 | 358829061 | 0 |
| 21.99.76.6 | 358829062 | 0 |
| 21.99.76.7 | 358829063 | 0 |
| 21.99.76.8 | 358829064 | 0 |
| 21.99.76.9 | 358829065 | 0 |
| 21.99.76.10 | 358829066 | 0 |
| 21.99.76.11 | 358829067 | 0 |
| 21.99.76.12 | 358829068 | 0 |
| 21.99.76.13 | 358829069 | 0 |
| 21.99.76.14 | 358829070 | 0 |
| 21.99.76.15 | 358829071 | 0 |
| 21.99.76.16 | 358829072 | 0 |
| 21.99.76.17 | 358829073 | 0 |
| 21.99.76.18 | 358829074 | 0 |
| 21.99.76.19 | 358829075 | 0 |
| 21.99.76.20 | 358829076 | 0 |
| 21.99.76.21 | 358829077 | 0 |
| 21.99.76.22 | 358829078 | 0 |
| 21.99.76.23 | 358829079 | 0 |
| 21.99.76.24 | 358829080 | 0 |
| 21.99.76.25 | 358829081 | 0 |
| 21.99.76.26 | 358829082 | 0 |
| 21.99.76.27 | 358829083 | 0 |
| 21.99.76.28 | 358829084 | 0 |
| 21.99.76.29 | 358829085 | 0 |
| 21.99.76.30 | 358829086 | 0 |
| 21.99.76.31 | 358829087 | 0 |
| 21.99.76.32 | 358829088 | 0 |
| 21.99.76.33 | 358829089 | 0 |
| 21.99.76.34 | 358829090 | 0 |
| 21.99.76.35 | 358829091 | 0 |
| 21.99.76.36 | 358829092 | 0 |
| 21.99.76.37 | 358829093 | 0 |
| 21.99.76.38 | 358829094 | 0 |
| 21.99.76.39 | 358829095 | 0 |
| 21.99.76.40 | 358829096 | 0 |
| 21.99.76.41 | 358829097 | 0 |
| 21.99.76.42 | 358829098 | 0 |
| 21.99.76.43 | 358829099 | 0 |
| 21.99.76.44 | 358829100 | 0 |
| 21.99.76.45 | 358829101 | 0 |
| 21.99.76.46 | 358829102 | 0 |
| 21.99.76.47 | 358829103 | 0 |
| 21.99.76.48 | 358829104 | 0 |
| 21.99.76.49 | 358829105 | 0 |
| 21.99.76.50 | 358829106 | 0 |
| 21.99.76.51 | 358829107 | 0 |
| 21.99.76.52 | 358829108 | 0 |
| 21.99.76.53 | 358829109 | 0 |
| 21.99.76.54 | 358829110 | 0 |
| 21.99.76.55 | 358829111 | 0 |
| 21.99.76.56 | 358829112 | 0 |
| 21.99.76.57 | 358829113 | 0 |
| 21.99.76.58 | 358829114 | 0 |
| 21.99.76.59 | 358829115 | 0 |
| 21.99.76.60 | 358829116 | 0 |
| 21.99.76.61 | 358829117 | 0 |
| 21.99.76.62 | 358829118 | 0 |
| 21.99.76.63 | 358829119 | 0 |
| 21.99.76.64 | 358829120 | 0 |
| 21.99.76.65 | 358829121 | 0 |
| 21.99.76.66 | 358829122 | 0 |
| 21.99.76.67 | 358829123 | 0 |
| 21.99.76.68 | 358829124 | 0 |
| 21.99.76.69 | 358829125 | 0 |
| 21.99.76.70 | 358829126 | 0 |
| 21.99.76.71 | 358829127 | 0 |
| 21.99.76.72 | 358829128 | 0 |
| 21.99.76.73 | 358829129 | 0 |
| 21.99.76.74 | 358829130 | 0 |
| 21.99.76.75 | 358829131 | 0 |
| 21.99.76.76 | 358829132 | 0 |
| 21.99.76.77 | 358829133 | 0 |
| 21.99.76.78 | 358829134 | 0 |
| 21.99.76.79 | 358829135 | 0 |
| 21.99.76.80 | 358829136 | 0 |
| 21.99.76.81 | 358829137 | 0 |
| 21.99.76.82 | 358829138 | 0 |
| 21.99.76.83 | 358829139 | 0 |
| 21.99.76.84 | 358829140 | 0 |
| 21.99.76.85 | 358829141 | 0 |