The IP address 21.99.58 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 | 09/02/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2018-02-08 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2018-02-08 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.99.58.0 | 358824448 | 0 |
| 21.99.58.1 | 358824449 | 0 |
| 21.99.58.2 | 358824450 | 0 |
| 21.99.58.3 | 358824451 | 0 |
| 21.99.58.4 | 358824452 | 0 |
| 21.99.58.5 | 358824453 | 0 |
| 21.99.58.6 | 358824454 | 0 |
| 21.99.58.7 | 358824455 | 0 |
| 21.99.58.8 | 358824456 | 0 |
| 21.99.58.9 | 358824457 | 0 |
| 21.99.58.10 | 358824458 | 0 |
| 21.99.58.11 | 358824459 | 0 |
| 21.99.58.12 | 358824460 | 0 |
| 21.99.58.13 | 358824461 | 0 |
| 21.99.58.14 | 358824462 | 0 |
| 21.99.58.15 | 358824463 | 0 |
| 21.99.58.16 | 358824464 | 0 |
| 21.99.58.17 | 358824465 | 0 |
| 21.99.58.18 | 358824466 | 0 |
| 21.99.58.19 | 358824467 | 0 |
| 21.99.58.20 | 358824468 | 0 |
| 21.99.58.21 | 358824469 | 0 |
| 21.99.58.22 | 358824470 | 0 |
| 21.99.58.23 | 358824471 | 0 |
| 21.99.58.24 | 358824472 | 0 |
| 21.99.58.25 | 358824473 | 0 |
| 21.99.58.26 | 358824474 | 0 |
| 21.99.58.27 | 358824475 | 0 |
| 21.99.58.28 | 358824476 | 0 |
| 21.99.58.29 | 358824477 | 0 |
| 21.99.58.30 | 358824478 | 0 |
| 21.99.58.31 | 358824479 | 0 |
| 21.99.58.32 | 358824480 | 0 |
| 21.99.58.33 | 358824481 | 0 |
| 21.99.58.34 | 358824482 | 0 |
| 21.99.58.35 | 358824483 | 0 |
| 21.99.58.36 | 358824484 | 0 |
| 21.99.58.37 | 358824485 | 0 |
| 21.99.58.38 | 358824486 | 0 |
| 21.99.58.39 | 358824487 | 0 |
| 21.99.58.40 | 358824488 | 0 |
| 21.99.58.41 | 358824489 | 0 |
| 21.99.58.42 | 358824490 | 0 |
| 21.99.58.43 | 358824491 | 0 |
| 21.99.58.44 | 358824492 | 0 |
| 21.99.58.45 | 358824493 | 0 |
| 21.99.58.46 | 358824494 | 0 |
| 21.99.58.47 | 358824495 | 0 |
| 21.99.58.48 | 358824496 | 0 |
| 21.99.58.49 | 358824497 | 0 |
| 21.99.58.50 | 358824498 | 0 |
| 21.99.58.51 | 358824499 | 0 |
| 21.99.58.52 | 358824500 | 0 |
| 21.99.58.53 | 358824501 | 0 |
| 21.99.58.54 | 358824502 | 0 |
| 21.99.58.55 | 358824503 | 0 |
| 21.99.58.56 | 358824504 | 0 |
| 21.99.58.57 | 358824505 | 0 |
| 21.99.58.58 | 358824506 | 0 |
| 21.99.58.59 | 358824507 | 0 |
| 21.99.58.60 | 358824508 | 0 |
| 21.99.58.61 | 358824509 | 0 |
| 21.99.58.62 | 358824510 | 0 |
| 21.99.58.63 | 358824511 | 0 |
| 21.99.58.64 | 358824512 | 0 |
| 21.99.58.65 | 358824513 | 0 |
| 21.99.58.66 | 358824514 | 0 |
| 21.99.58.67 | 358824515 | 0 |
| 21.99.58.68 | 358824516 | 0 |
| 21.99.58.69 | 358824517 | 0 |
| 21.99.58.70 | 358824518 | 0 |
| 21.99.58.71 | 358824519 | 0 |
| 21.99.58.72 | 358824520 | 0 |
| 21.99.58.73 | 358824521 | 0 |
| 21.99.58.74 | 358824522 | 0 |
| 21.99.58.75 | 358824523 | 0 |
| 21.99.58.76 | 358824524 | 0 |
| 21.99.58.77 | 358824525 | 0 |
| 21.99.58.78 | 358824526 | 0 |
| 21.99.58.79 | 358824527 | 0 |
| 21.99.58.80 | 358824528 | 0 |
| 21.99.58.81 | 358824529 | 0 |
| 21.99.58.82 | 358824530 | 0 |
| 21.99.58.83 | 358824531 | 0 |
| 21.99.58.84 | 358824532 | 0 |
| 21.99.58.85 | 358824533 | 0 |