The IP address 203.99.21 is provided by USsoftware P Ltd., it's belong to the CDIR (Classless Inter-Domain Routing) 203.99.40.0/23 (range 203.99.40.0 to 203.99.41.255). The autonomous system number (ASN) is 24471.
| ASN | 24471 |
| IP starting by | 203.99.40.0 |
| IP ending by | 203.99.41.255 |
| ASN Name | USsoftware P Ltd. |
| CDIR | 203.99.40.0/23 |
| Numerical IP | |
| Registry | apnic |
| Last update | 02/01/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | CN | China | - | Beijing | 39.9075 | 116.3972 | 2018-01-01 |
| MaxMind | CN | China | - | Beijing | 39.9289 | 116.3883 | 2018-01-01 |
| Whois | IN | - | - | - | 79 | 21 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 203.99.21.0 | 3412268288 | 0 |
| 203.99.21.1 | 3412268289 | 0 |
| 203.99.21.2 | 3412268290 | 0 |
| 203.99.21.3 | 3412268291 | 0 |
| 203.99.21.4 | 3412268292 | 0 |
| 203.99.21.5 | 3412268293 | 0 |
| 203.99.21.6 | 3412268294 | 0 |
| 203.99.21.7 | 3412268295 | 0 |
| 203.99.21.8 | 3412268296 | 0 |
| 203.99.21.9 | 3412268297 | 0 |
| 203.99.21.10 | 3412268298 | 0 |
| 203.99.21.11 | 3412268299 | 0 |
| 203.99.21.12 | 3412268300 | 0 |
| 203.99.21.13 | 3412268301 | 0 |
| 203.99.21.14 | 3412268302 | 0 |
| 203.99.21.15 | 3412268303 | 0 |
| 203.99.21.16 | 3412268304 | 0 |
| 203.99.21.17 | 3412268305 | 0 |
| 203.99.21.18 | 3412268306 | 0 |
| 203.99.21.19 | 3412268307 | 0 |
| 203.99.21.20 | 3412268308 | 0 |
| 203.99.21.21 | 3412268309 | 0 |
| 203.99.21.22 | 3412268310 | 0 |
| 203.99.21.23 | 3412268311 | 0 |
| 203.99.21.24 | 3412268312 | 0 |
| 203.99.21.25 | 3412268313 | 0 |
| 203.99.21.26 | 3412268314 | 0 |
| 203.99.21.27 | 3412268315 | 0 |
| 203.99.21.28 | 3412268316 | 0 |
| 203.99.21.29 | 3412268317 | 0 |
| 203.99.21.30 | 3412268318 | 0 |
| 203.99.21.31 | 3412268319 | 0 |
| 203.99.21.32 | 3412268320 | 0 |
| 203.99.21.33 | 3412268321 | 0 |
| 203.99.21.34 | 3412268322 | 0 |
| 203.99.21.35 | 3412268323 | 0 |
| 203.99.21.36 | 3412268324 | 0 |
| 203.99.21.37 | 3412268325 | 0 |
| 203.99.21.38 | 3412268326 | 0 |
| 203.99.21.39 | 3412268327 | 0 |
| 203.99.21.40 | 3412268328 | 0 |
| 203.99.21.41 | 3412268329 | 0 |
| 203.99.21.42 | 3412268330 | 0 |
| 203.99.21.43 | 3412268331 | 0 |
| 203.99.21.44 | 3412268332 | 0 |
| 203.99.21.45 | 3412268333 | 0 |
| 203.99.21.46 | 3412268334 | 0 |
| 203.99.21.47 | 3412268335 | 0 |
| 203.99.21.48 | 3412268336 | 0 |
| 203.99.21.49 | 3412268337 | 0 |
| 203.99.21.50 | 3412268338 | 0 |
| 203.99.21.51 | 3412268339 | 0 |
| 203.99.21.52 | 3412268340 | 0 |
| 203.99.21.53 | 3412268341 | 0 |
| 203.99.21.54 | 3412268342 | 0 |
| 203.99.21.55 | 3412268343 | 0 |
| 203.99.21.56 | 3412268344 | 0 |
| 203.99.21.57 | 3412268345 | 0 |
| 203.99.21.58 | 3412268346 | 0 |
| 203.99.21.59 | 3412268347 | 0 |
| 203.99.21.60 | 3412268348 | 0 |
| 203.99.21.61 | 3412268349 | 0 |
| 203.99.21.62 | 3412268350 | 0 |
| 203.99.21.63 | 3412268351 | 0 |
| 203.99.21.64 | 3412268352 | 0 |
| 203.99.21.65 | 3412268353 | 0 |
| 203.99.21.66 | 3412268354 | 0 |
| 203.99.21.67 | 3412268355 | 0 |
| 203.99.21.68 | 3412268356 | 0 |
| 203.99.21.69 | 3412268357 | 0 |
| 203.99.21.70 | 3412268358 | 0 |
| 203.99.21.71 | 3412268359 | 0 |
| 203.99.21.72 | 3412268360 | 0 |
| 203.99.21.73 | 3412268361 | 0 |
| 203.99.21.74 | 3412268362 | 0 |
| 203.99.21.75 | 3412268363 | 0 |
| 203.99.21.76 | 3412268364 | 0 |
| 203.99.21.77 | 3412268365 | 0 |
| 203.99.21.78 | 3412268366 | 0 |
| 203.99.21.79 | 3412268367 | 0 |
| 203.99.21.80 | 3412268368 | 0 |
| 203.99.21.81 | 3412268369 | 0 |
| 203.99.21.82 | 3412268370 | 0 |
| 203.99.21.83 | 3412268371 | 0 |
| 203.99.21.84 | 3412268372 | 0 |
| 203.99.21.85 | 3412268373 | 0 |