The IP address 21.89.51 is provided by China Education and Research Network Center, it's belong to the CDIR (Classless Inter-Domain Routing) 22.30.204.0/23 (range 22.30.204.0 to 22.30.205.255). The autonomous system number (ASN) is 4538.
| ASN | 4538 |
| IP starting by | 22.30.204.0 |
| IP ending by | 22.30.205.255 |
| ASN Name | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| Numerical IP | |
| Registry | |
| Last update | 07/01/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Houston | 29.7633 | -95.3633 | 2019-01-06 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2019-01-06 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.89.51.0 | 358167296 | 0 |
| 21.89.51.1 | 358167297 | 0 |
| 21.89.51.2 | 358167298 | 0 |
| 21.89.51.3 | 358167299 | 0 |
| 21.89.51.4 | 358167300 | 0 |
| 21.89.51.5 | 358167301 | 0 |
| 21.89.51.6 | 358167302 | 0 |
| 21.89.51.7 | 358167303 | 0 |
| 21.89.51.8 | 358167304 | 0 |
| 21.89.51.9 | 358167305 | 0 |
| 21.89.51.10 | 358167306 | 0 |
| 21.89.51.11 | 358167307 | 0 |
| 21.89.51.12 | 358167308 | 0 |
| 21.89.51.13 | 358167309 | 0 |
| 21.89.51.14 | 358167310 | 0 |
| 21.89.51.15 | 358167311 | 0 |
| 21.89.51.16 | 358167312 | 0 |
| 21.89.51.17 | 358167313 | 0 |
| 21.89.51.18 | 358167314 | 0 |
| 21.89.51.19 | 358167315 | 0 |
| 21.89.51.20 | 358167316 | 0 |
| 21.89.51.21 | 358167317 | 0 |
| 21.89.51.22 | 358167318 | 0 |
| 21.89.51.23 | 358167319 | 0 |
| 21.89.51.24 | 358167320 | 0 |
| 21.89.51.25 | 358167321 | 0 |
| 21.89.51.26 | 358167322 | 0 |
| 21.89.51.27 | 358167323 | 0 |
| 21.89.51.28 | 358167324 | 0 |
| 21.89.51.29 | 358167325 | 0 |
| 21.89.51.30 | 358167326 | 0 |
| 21.89.51.31 | 358167327 | 0 |
| 21.89.51.32 | 358167328 | 0 |
| 21.89.51.33 | 358167329 | 0 |
| 21.89.51.34 | 358167330 | 0 |
| 21.89.51.35 | 358167331 | 0 |
| 21.89.51.36 | 358167332 | 0 |
| 21.89.51.37 | 358167333 | 0 |
| 21.89.51.38 | 358167334 | 0 |
| 21.89.51.39 | 358167335 | 0 |
| 21.89.51.40 | 358167336 | 0 |
| 21.89.51.41 | 358167337 | 0 |
| 21.89.51.42 | 358167338 | 0 |
| 21.89.51.43 | 358167339 | 0 |
| 21.89.51.44 | 358167340 | 0 |
| 21.89.51.45 | 358167341 | 0 |
| 21.89.51.46 | 358167342 | 0 |
| 21.89.51.47 | 358167343 | 0 |
| 21.89.51.48 | 358167344 | 0 |
| 21.89.51.49 | 358167345 | 0 |
| 21.89.51.50 | 358167346 | 0 |
| 21.89.51.51 | 358167347 | 0 |
| 21.89.51.52 | 358167348 | 0 |
| 21.89.51.53 | 358167349 | 0 |
| 21.89.51.54 | 358167350 | 0 |
| 21.89.51.55 | 358167351 | 0 |
| 21.89.51.56 | 358167352 | 0 |
| 21.89.51.57 | 358167353 | 0 |
| 21.89.51.58 | 358167354 | 0 |
| 21.89.51.59 | 358167355 | 0 |
| 21.89.51.60 | 358167356 | 0 |
| 21.89.51.61 | 358167357 | 0 |
| 21.89.51.62 | 358167358 | 0 |
| 21.89.51.63 | 358167359 | 0 |
| 21.89.51.64 | 358167360 | 0 |
| 21.89.51.65 | 358167361 | 0 |
| 21.89.51.66 | 358167362 | 0 |
| 21.89.51.67 | 358167363 | 0 |
| 21.89.51.68 | 358167364 | 0 |
| 21.89.51.69 | 358167365 | 0 |
| 21.89.51.70 | 358167366 | 0 |
| 21.89.51.71 | 358167367 | 0 |
| 21.89.51.72 | 358167368 | 0 |
| 21.89.51.73 | 358167369 | 0 |
| 21.89.51.74 | 358167370 | 0 |
| 21.89.51.75 | 358167371 | 0 |
| 21.89.51.76 | 358167372 | 0 |
| 21.89.51.77 | 358167373 | 0 |
| 21.89.51.78 | 358167374 | 0 |
| 21.89.51.79 | 358167375 | 0 |
| 21.89.51.80 | 358167376 | 0 |
| 21.89.51.81 | 358167377 | 0 |
| 21.89.51.82 | 358167378 | 0 |
| 21.89.51.83 | 358167379 | 0 |
| 21.89.51.84 | 358167380 | 0 |
| 21.89.51.85 | 358167381 | 0 |