Die IP-Adresse 121.28.51 erfolgt über CNC Group, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 121.28.0.0/15 (Bereich 121.28.0.0, 121.29.255.255). Die autonomen Systemnummer (ASN) ist 4837.
| ASN | 4837 |
| Ausgehend von IP | 121.28.0.0 |
| Beendigung durch IP | 121.29.255.255 |
| ASN-Namen | CNC Group |
| GGDV | 121.28.0.0/15 |
| Numerische IP | |
| Registrierung | apnic |
| Letztes update | 04.09.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | CN | China | - | Hebei | 39,1478 | 117,1967 | 2017-09-04 |
| MaxMind | CN | China | - | Hebei | 39,8897 | 115,275 | 2017-09-04 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.28.51.0 | 2031891200 | 0 |
| 121.28.51.1 | 2031891201 | 0 |
| 121.28.51.2 | 2031891202 | 0 |
| 121.28.51.3 | 2031891203 | 0 |
| 121.28.51.4 | 2031891204 | 0 |
| 121.28.51.5 | 2031891205 | 0 |
| 121.28.51.6 | 2031891206 | 0 |
| 121.28.51.7 | 2031891207 | 0 |
| 121.28.51.8 | 2031891208 | 0 |
| 121.28.51.9 | 2031891209 | 0 |
| 121.28.51.10 | 2031891210 | 0 |
| 121.28.51.11 | 2031891211 | 0 |
| 121.28.51.12 | 2031891212 | 0 |
| 121.28.51.13 | 2031891213 | 0 |
| 121.28.51.14 | 2031891214 | 0 |
| 121.28.51.15 | 2031891215 | 0 |
| 121.28.51.16 | 2031891216 | 0 |
| 121.28.51.17 | 2031891217 | 0 |
| 121.28.51.18 | 2031891218 | 0 |
| 121.28.51.19 | 2031891219 | 0 |
| 121.28.51.20 | 2031891220 | 0 |
| 121.28.51.21 | 2031891221 | 0 |
| 121.28.51.22 | 2031891222 | 0 |
| 121.28.51.23 | 2031891223 | 0 |
| 121.28.51.24 | 2031891224 | 0 |
| 121.28.51.25 | 2031891225 | 0 |
| 121.28.51.26 | 2031891226 | 0 |
| 121.28.51.27 | 2031891227 | 0 |
| 121.28.51.28 | 2031891228 | 0 |
| 121.28.51.29 | 2031891229 | 0 |
| 121.28.51.30 | 2031891230 | 0 |
| 121.28.51.31 | 2031891231 | 0 |
| 121.28.51.32 | 2031891232 | 0 |
| 121.28.51.33 | 2031891233 | 0 |
| 121.28.51.34 | 2031891234 | 0 |
| 121.28.51.35 | 2031891235 | 0 |
| 121.28.51.36 | 2031891236 | 0 |
| 121.28.51.37 | 2031891237 | 0 |
| 121.28.51.38 | 2031891238 | 0 |
| 121.28.51.39 | 2031891239 | 0 |
| 121.28.51.40 | 2031891240 | 0 |
| 121.28.51.41 | 2031891241 | 0 |
| 121.28.51.42 | 2031891242 | 0 |
| 121.28.51.43 | 2031891243 | 0 |
| 121.28.51.44 | 2031891244 | 0 |
| 121.28.51.45 | 2031891245 | 0 |
| 121.28.51.46 | 2031891246 | 0 |
| 121.28.51.47 | 2031891247 | 0 |
| 121.28.51.48 | 2031891248 | 0 |
| 121.28.51.49 | 2031891249 | 0 |
| 121.28.51.50 | 2031891250 | 0 |
| 121.28.51.51 | 2031891251 | 0 |
| 121.28.51.52 | 2031891252 | 0 |
| 121.28.51.53 | 2031891253 | 0 |
| 121.28.51.54 | 2031891254 | 0 |
| 121.28.51.55 | 2031891255 | 0 |
| 121.28.51.56 | 2031891256 | 0 |
| 121.28.51.57 | 2031891257 | 0 |
| 121.28.51.58 | 2031891258 | 0 |
| 121.28.51.59 | 2031891259 | 0 |
| 121.28.51.60 | 2031891260 | 0 |
| 121.28.51.61 | 2031891261 | 0 |
| 121.28.51.62 | 2031891262 | 0 |
| 121.28.51.63 | 2031891263 | 0 |
| 121.28.51.64 | 2031891264 | 0 |
| 121.28.51.65 | 2031891265 | 0 |
| 121.28.51.66 | 2031891266 | 0 |
| 121.28.51.67 | 2031891267 | 0 |
| 121.28.51.68 | 2031891268 | 0 |
| 121.28.51.69 | 2031891269 | 0 |
| 121.28.51.70 | 2031891270 | 0 |
| 121.28.51.71 | 2031891271 | 0 |
| 121.28.51.72 | 2031891272 | 0 |
| 121.28.51.73 | 2031891273 | 0 |
| 121.28.51.74 | 2031891274 | 0 |
| 121.28.51.75 | 2031891275 | 0 |
| 121.28.51.76 | 2031891276 | 0 |
| 121.28.51.77 | 2031891277 | 0 |
| 121.28.51.78 | 2031891278 | 0 |
| 121.28.51.79 | 2031891279 | 0 |
| 121.28.51.80 | 2031891280 | 0 |
| 121.28.51.81 | 2031891281 | 0 |
| 121.28.51.82 | 2031891282 | 0 |
| 121.28.51.83 | 2031891283 | 0 |
| 121.28.51.84 | 2031891284 | 0 |
| 121.28.51.85 | 2031891285 | 0 |