Les adresses IP débutant par 223.2.249 sont fournies par China Education and Research Network Center, elles appartiennent au CIDR (Classless Inter-Domain Routing) 223.2.0.0/15, le bloc IP comprant les adresses de 223.2.0.0 à 223.3.255.255). Le numéro de système autonome (ASN) est 4538.
| ASN | 4538 |
| IP commençant par | 223.2.0.0 |
| IP se terminant par | 223.3.255.255 |
| Nom ASN | China Education and Research Network Center |
| CDIR | 223.2.0.0/15 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 10/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | CN | Chine | - | Nanjing | 32,0617 | 118,7778 | 2017-08-09 |
| MaxMind | CN | Chine | - | Nankin | 32,0617 | 118,7778 | 2017-08-09 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 223.2.249.0 | 3741513984 | 0 |
| 223.2.249.1 | 3741513985 | 0 |
| 223.2.249.2 | 3741513986 | 0 |
| 223.2.249.3 | 3741513987 | 0 |
| 223.2.249.4 | 3741513988 | 0 |
| 223.2.249.5 | 3741513989 | 0 |
| 223.2.249.6 | 3741513990 | 0 |
| 223.2.249.7 | 3741513991 | 0 |
| 223.2.249.8 | 3741513992 | 0 |
| 223.2.249.9 | 3741513993 | 0 |
| 223.2.249.10 | 3741513994 | 0 |
| 223.2.249.11 | 3741513995 | 0 |
| 223.2.249.12 | 3741513996 | 0 |
| 223.2.249.13 | 3741513997 | 0 |
| 223.2.249.14 | 3741513998 | 0 |
| 223.2.249.15 | 3741513999 | 0 |
| 223.2.249.16 | 3741514000 | 0 |
| 223.2.249.17 | 3741514001 | 0 |
| 223.2.249.18 | 3741514002 | 0 |
| 223.2.249.19 | 3741514003 | 0 |
| 223.2.249.20 | 3741514004 | 0 |
| 223.2.249.21 | 3741514005 | 0 |
| 223.2.249.22 | 3741514006 | 0 |
| 223.2.249.23 | 3741514007 | 0 |
| 223.2.249.24 | 3741514008 | 0 |
| 223.2.249.25 | 3741514009 | 0 |
| 223.2.249.26 | 3741514010 | 0 |
| 223.2.249.27 | 3741514011 | 0 |
| 223.2.249.28 | 3741514012 | 0 |
| 223.2.249.29 | 3741514013 | 0 |
| 223.2.249.30 | 3741514014 | 0 |
| 223.2.249.31 | 3741514015 | 0 |
| 223.2.249.32 | 3741514016 | 0 |
| 223.2.249.33 | 3741514017 | 0 |
| 223.2.249.34 | 3741514018 | 0 |
| 223.2.249.35 | 3741514019 | 0 |
| 223.2.249.36 | 3741514020 | 0 |
| 223.2.249.37 | 3741514021 | 0 |
| 223.2.249.38 | 3741514022 | 0 |
| 223.2.249.39 | 3741514023 | 0 |
| 223.2.249.40 | 3741514024 | 0 |
| 223.2.249.41 | 3741514025 | 0 |
| 223.2.249.42 | 3741514026 | 0 |
| 223.2.249.43 | 3741514027 | 0 |
| 223.2.249.44 | 3741514028 | 0 |
| 223.2.249.45 | 3741514029 | 0 |
| 223.2.249.46 | 3741514030 | 0 |
| 223.2.249.47 | 3741514031 | 0 |
| 223.2.249.48 | 3741514032 | 0 |
| 223.2.249.49 | 3741514033 | 0 |
| 223.2.249.50 | 3741514034 | 0 |
| 223.2.249.51 | 3741514035 | 0 |
| 223.2.249.52 | 3741514036 | 0 |
| 223.2.249.53 | 3741514037 | 0 |
| 223.2.249.54 | 3741514038 | 0 |
| 223.2.249.55 | 3741514039 | 0 |
| 223.2.249.56 | 3741514040 | 0 |
| 223.2.249.57 | 3741514041 | 0 |
| 223.2.249.58 | 3741514042 | 0 |
| 223.2.249.59 | 3741514043 | 0 |
| 223.2.249.60 | 3741514044 | 0 |
| 223.2.249.61 | 3741514045 | 0 |
| 223.2.249.62 | 3741514046 | 0 |
| 223.2.249.63 | 3741514047 | 0 |
| 223.2.249.64 | 3741514048 | 0 |
| 223.2.249.65 | 3741514049 | 0 |
| 223.2.249.66 | 3741514050 | 0 |
| 223.2.249.67 | 3741514051 | 0 |
| 223.2.249.68 | 3741514052 | 0 |
| 223.2.249.69 | 3741514053 | 0 |
| 223.2.249.70 | 3741514054 | 0 |
| 223.2.249.71 | 3741514055 | 0 |
| 223.2.249.72 | 3741514056 | 0 |
| 223.2.249.73 | 3741514057 | 0 |
| 223.2.249.74 | 3741514058 | 0 |
| 223.2.249.75 | 3741514059 | 0 |
| 223.2.249.76 | 3741514060 | 0 |
| 223.2.249.77 | 3741514061 | 0 |
| 223.2.249.78 | 3741514062 | 0 |
| 223.2.249.79 | 3741514063 | 0 |
| 223.2.249.80 | 3741514064 | 0 |
| 223.2.249.81 | 3741514065 | 0 |
| 223.2.249.82 | 3741514066 | 0 |
| 223.2.249.83 | 3741514067 | 0 |
| 223.2.249.84 | 3741514068 | 0 |
| 223.2.249.85 | 3741514069 | 0 |