Die IP-Adresse 21.249.0 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 | 08.02.2018 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Columbus | 39,9664 | -83,0128 | 2018-02-08 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2018-02-08 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.249.0.0 | 368640000 | 0 |
| 21.249.0.1 | 368640001 | 0 |
| 21.249.0.2 | 368640002 | 0 |
| 21.249.0.3 | 368640003 | 0 |
| 21.249.0.4 | 368640004 | 0 |
| 21.249.0.5 | 368640005 | 0 |
| 21.249.0.6 | 368640006 | 0 |
| 21.249.0.7 | 368640007 | 0 |
| 21.249.0.8 | 368640008 | 0 |
| 21.249.0.9 | 368640009 | 0 |
| 21.249.0.10 | 368640010 | 0 |
| 21.249.0.11 | 368640011 | 0 |
| 21.249.0.12 | 368640012 | 0 |
| 21.249.0.13 | 368640013 | 0 |
| 21.249.0.14 | 368640014 | 0 |
| 21.249.0.15 | 368640015 | 0 |
| 21.249.0.16 | 368640016 | 0 |
| 21.249.0.17 | 368640017 | 0 |
| 21.249.0.18 | 368640018 | 0 |
| 21.249.0.19 | 368640019 | 0 |
| 21.249.0.20 | 368640020 | 0 |
| 21.249.0.21 | 368640021 | 0 |
| 21.249.0.22 | 368640022 | 0 |
| 21.249.0.23 | 368640023 | 0 |
| 21.249.0.24 | 368640024 | 0 |
| 21.249.0.25 | 368640025 | 0 |
| 21.249.0.26 | 368640026 | 0 |
| 21.249.0.27 | 368640027 | 0 |
| 21.249.0.28 | 368640028 | 0 |
| 21.249.0.29 | 368640029 | 0 |
| 21.249.0.30 | 368640030 | 0 |
| 21.249.0.31 | 368640031 | 0 |
| 21.249.0.32 | 368640032 | 0 |
| 21.249.0.33 | 368640033 | 0 |
| 21.249.0.34 | 368640034 | 0 |
| 21.249.0.35 | 368640035 | 0 |
| 21.249.0.36 | 368640036 | 0 |
| 21.249.0.37 | 368640037 | 0 |
| 21.249.0.38 | 368640038 | 0 |
| 21.249.0.39 | 368640039 | 0 |
| 21.249.0.40 | 368640040 | 0 |
| 21.249.0.41 | 368640041 | 0 |
| 21.249.0.42 | 368640042 | 0 |
| 21.249.0.43 | 368640043 | 0 |
| 21.249.0.44 | 368640044 | 0 |
| 21.249.0.45 | 368640045 | 0 |
| 21.249.0.46 | 368640046 | 0 |
| 21.249.0.47 | 368640047 | 0 |
| 21.249.0.48 | 368640048 | 0 |
| 21.249.0.49 | 368640049 | 0 |
| 21.249.0.50 | 368640050 | 0 |
| 21.249.0.51 | 368640051 | 0 |
| 21.249.0.52 | 368640052 | 0 |
| 21.249.0.53 | 368640053 | 0 |
| 21.249.0.54 | 368640054 | 0 |
| 21.249.0.55 | 368640055 | 0 |
| 21.249.0.56 | 368640056 | 0 |
| 21.249.0.57 | 368640057 | 0 |
| 21.249.0.58 | 368640058 | 0 |
| 21.249.0.59 | 368640059 | 0 |
| 21.249.0.60 | 368640060 | 0 |
| 21.249.0.61 | 368640061 | 0 |
| 21.249.0.62 | 368640062 | 0 |
| 21.249.0.63 | 368640063 | 0 |
| 21.249.0.64 | 368640064 | 0 |
| 21.249.0.65 | 368640065 | 0 |
| 21.249.0.66 | 368640066 | 0 |
| 21.249.0.67 | 368640067 | 0 |
| 21.249.0.68 | 368640068 | 0 |
| 21.249.0.69 | 368640069 | 0 |
| 21.249.0.70 | 368640070 | 0 |
| 21.249.0.71 | 368640071 | 0 |
| 21.249.0.72 | 368640072 | 0 |
| 21.249.0.73 | 368640073 | 0 |
| 21.249.0.74 | 368640074 | 0 |
| 21.249.0.75 | 368640075 | 0 |
| 21.249.0.76 | 368640076 | 0 |
| 21.249.0.77 | 368640077 | 0 |
| 21.249.0.78 | 368640078 | 0 |
| 21.249.0.79 | 368640079 | 0 |
| 21.249.0.80 | 368640080 | 0 |
| 21.249.0.81 | 368640081 | 0 |
| 21.249.0.82 | 368640082 | 0 |
| 21.249.0.83 | 368640083 | 0 |
| 21.249.0.84 | 368640084 | 0 |
| 21.249.0.85 | 368640085 | 0 |