La dirección IP 21.80.18 es proporcionada por China Education and Research Network Center, que es propiedad de la CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP entre 22.30.204.0 a 22.30.205.255 ). El número de sistema autónomo (ASN) es 4538.
| ASN | 4538 |
| IP que comienzan con | 22.30.204.0 |
| IP que termina con | 22.30.205.255 |
| ASN Nombre | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérica | |
| Registe | |
| Última actualización | 06/08/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-08-05 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-08-05 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.80.18.0 | 357569024 | 0 |
| 21.80.18.1 | 357569025 | 0 |
| 21.80.18.2 | 357569026 | 0 |
| 21.80.18.3 | 357569027 | 0 |
| 21.80.18.4 | 357569028 | 0 |
| 21.80.18.5 | 357569029 | 0 |
| 21.80.18.6 | 357569030 | 0 |
| 21.80.18.7 | 357569031 | 0 |
| 21.80.18.8 | 357569032 | 0 |
| 21.80.18.9 | 357569033 | 0 |
| 21.80.18.10 | 357569034 | 0 |
| 21.80.18.11 | 357569035 | 0 |
| 21.80.18.12 | 357569036 | 0 |
| 21.80.18.13 | 357569037 | 0 |
| 21.80.18.14 | 357569038 | 0 |
| 21.80.18.15 | 357569039 | 0 |
| 21.80.18.16 | 357569040 | 0 |
| 21.80.18.17 | 357569041 | 0 |
| 21.80.18.18 | 357569042 | 0 |
| 21.80.18.19 | 357569043 | 0 |
| 21.80.18.20 | 357569044 | 0 |
| 21.80.18.21 | 357569045 | 0 |
| 21.80.18.22 | 357569046 | 0 |
| 21.80.18.23 | 357569047 | 0 |
| 21.80.18.24 | 357569048 | 0 |
| 21.80.18.25 | 357569049 | 0 |
| 21.80.18.26 | 357569050 | 0 |
| 21.80.18.27 | 357569051 | 0 |
| 21.80.18.28 | 357569052 | 0 |
| 21.80.18.29 | 357569053 | 0 |
| 21.80.18.30 | 357569054 | 0 |
| 21.80.18.31 | 357569055 | 0 |
| 21.80.18.32 | 357569056 | 0 |
| 21.80.18.33 | 357569057 | 0 |
| 21.80.18.34 | 357569058 | 0 |
| 21.80.18.35 | 357569059 | 0 |
| 21.80.18.36 | 357569060 | 0 |
| 21.80.18.37 | 357569061 | 0 |
| 21.80.18.38 | 357569062 | 0 |
| 21.80.18.39 | 357569063 | 0 |
| 21.80.18.40 | 357569064 | 0 |
| 21.80.18.41 | 357569065 | 0 |
| 21.80.18.42 | 357569066 | 0 |
| 21.80.18.43 | 357569067 | 0 |
| 21.80.18.44 | 357569068 | 0 |
| 21.80.18.45 | 357569069 | 0 |
| 21.80.18.46 | 357569070 | 0 |
| 21.80.18.47 | 357569071 | 0 |
| 21.80.18.48 | 357569072 | 0 |
| 21.80.18.49 | 357569073 | 0 |
| 21.80.18.50 | 357569074 | 0 |
| 21.80.18.51 | 357569075 | 0 |
| 21.80.18.52 | 357569076 | 0 |
| 21.80.18.53 | 357569077 | 0 |
| 21.80.18.54 | 357569078 | 0 |
| 21.80.18.55 | 357569079 | 0 |
| 21.80.18.56 | 357569080 | 0 |
| 21.80.18.57 | 357569081 | 0 |
| 21.80.18.58 | 357569082 | 0 |
| 21.80.18.59 | 357569083 | 0 |
| 21.80.18.60 | 357569084 | 0 |
| 21.80.18.61 | 357569085 | 0 |
| 21.80.18.62 | 357569086 | 0 |
| 21.80.18.63 | 357569087 | 0 |
| 21.80.18.64 | 357569088 | 0 |
| 21.80.18.65 | 357569089 | 0 |
| 21.80.18.66 | 357569090 | 0 |
| 21.80.18.67 | 357569091 | 0 |
| 21.80.18.68 | 357569092 | 0 |
| 21.80.18.69 | 357569093 | 0 |
| 21.80.18.70 | 357569094 | 0 |
| 21.80.18.71 | 357569095 | 0 |
| 21.80.18.72 | 357569096 | 0 |
| 21.80.18.73 | 357569097 | 0 |
| 21.80.18.74 | 357569098 | 0 |
| 21.80.18.75 | 357569099 | 0 |
| 21.80.18.76 | 357569100 | 0 |
| 21.80.18.77 | 357569101 | 0 |
| 21.80.18.78 | 357569102 | 0 |
| 21.80.18.79 | 357569103 | 0 |
| 21.80.18.80 | 357569104 | 0 |
| 21.80.18.81 | 357569105 | 0 |
| 21.80.18.82 | 357569106 | 0 |
| 21.80.18.83 | 357569107 | 0 |
| 21.80.18.84 | 357569108 | 0 |
| 21.80.18.85 | 357569109 | 0 |