Die IP-Adresse 21.87.97 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 | 21.10.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Columbus | 39,9664 | -83,0128 | 2017-10-21 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2017-10-21 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.87.97.0 | 358048000 | 0 |
| 21.87.97.1 | 358048001 | 0 |
| 21.87.97.2 | 358048002 | 0 |
| 21.87.97.3 | 358048003 | 0 |
| 21.87.97.4 | 358048004 | 0 |
| 21.87.97.5 | 358048005 | 0 |
| 21.87.97.6 | 358048006 | 0 |
| 21.87.97.7 | 358048007 | 0 |
| 21.87.97.8 | 358048008 | 0 |
| 21.87.97.9 | 358048009 | 0 |
| 21.87.97.10 | 358048010 | 0 |
| 21.87.97.11 | 358048011 | 0 |
| 21.87.97.12 | 358048012 | 0 |
| 21.87.97.13 | 358048013 | 0 |
| 21.87.97.14 | 358048014 | 0 |
| 21.87.97.15 | 358048015 | 0 |
| 21.87.97.16 | 358048016 | 0 |
| 21.87.97.17 | 358048017 | 0 |
| 21.87.97.18 | 358048018 | 0 |
| 21.87.97.19 | 358048019 | 0 |
| 21.87.97.20 | 358048020 | 0 |
| 21.87.97.21 | 358048021 | 0 |
| 21.87.97.22 | 358048022 | 0 |
| 21.87.97.23 | 358048023 | 0 |
| 21.87.97.24 | 358048024 | 0 |
| 21.87.97.25 | 358048025 | 0 |
| 21.87.97.26 | 358048026 | 0 |
| 21.87.97.27 | 358048027 | 0 |
| 21.87.97.28 | 358048028 | 0 |
| 21.87.97.29 | 358048029 | 0 |
| 21.87.97.30 | 358048030 | 0 |
| 21.87.97.31 | 358048031 | 0 |
| 21.87.97.32 | 358048032 | 0 |
| 21.87.97.33 | 358048033 | 0 |
| 21.87.97.34 | 358048034 | 0 |
| 21.87.97.35 | 358048035 | 0 |
| 21.87.97.36 | 358048036 | 0 |
| 21.87.97.37 | 358048037 | 0 |
| 21.87.97.38 | 358048038 | 0 |
| 21.87.97.39 | 358048039 | 0 |
| 21.87.97.40 | 358048040 | 0 |
| 21.87.97.41 | 358048041 | 0 |
| 21.87.97.42 | 358048042 | 0 |
| 21.87.97.43 | 358048043 | 0 |
| 21.87.97.44 | 358048044 | 0 |
| 21.87.97.45 | 358048045 | 0 |
| 21.87.97.46 | 358048046 | 0 |
| 21.87.97.47 | 358048047 | 0 |
| 21.87.97.48 | 358048048 | 0 |
| 21.87.97.49 | 358048049 | 0 |
| 21.87.97.50 | 358048050 | 0 |
| 21.87.97.51 | 358048051 | 0 |
| 21.87.97.52 | 358048052 | 0 |
| 21.87.97.53 | 358048053 | 0 |
| 21.87.97.54 | 358048054 | 0 |
| 21.87.97.55 | 358048055 | 0 |
| 21.87.97.56 | 358048056 | 0 |
| 21.87.97.57 | 358048057 | 0 |
| 21.87.97.58 | 358048058 | 0 |
| 21.87.97.59 | 358048059 | 0 |
| 21.87.97.60 | 358048060 | 0 |
| 21.87.97.61 | 358048061 | 0 |
| 21.87.97.62 | 358048062 | 0 |
| 21.87.97.63 | 358048063 | 0 |
| 21.87.97.64 | 358048064 | 0 |
| 21.87.97.65 | 358048065 | 0 |
| 21.87.97.66 | 358048066 | 0 |
| 21.87.97.67 | 358048067 | 0 |
| 21.87.97.68 | 358048068 | 0 |
| 21.87.97.69 | 358048069 | 0 |
| 21.87.97.70 | 358048070 | 0 |
| 21.87.97.71 | 358048071 | 0 |
| 21.87.97.72 | 358048072 | 0 |
| 21.87.97.73 | 358048073 | 0 |
| 21.87.97.74 | 358048074 | 0 |
| 21.87.97.75 | 358048075 | 0 |
| 21.87.97.76 | 358048076 | 0 |
| 21.87.97.77 | 358048077 | 0 |
| 21.87.97.78 | 358048078 | 0 |
| 21.87.97.79 | 358048079 | 0 |
| 21.87.97.80 | 358048080 | 0 |
| 21.87.97.81 | 358048081 | 0 |
| 21.87.97.82 | 358048082 | 0 |
| 21.87.97.83 | 358048083 | 0 |
| 21.87.97.84 | 358048084 | 0 |
| 21.87.97.85 | 358048085 | 0 |