The IP address 21.87.48 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 | 25/05/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Houston | 29.7633 | -95.3633 | 2019-05-25 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2019-05-25 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.87.48.0 | 358035456 | 0 |
| 21.87.48.1 | 358035457 | 0 |
| 21.87.48.2 | 358035458 | 0 |
| 21.87.48.3 | 358035459 | 0 |
| 21.87.48.4 | 358035460 | 0 |
| 21.87.48.5 | 358035461 | 0 |
| 21.87.48.6 | 358035462 | 0 |
| 21.87.48.7 | 358035463 | 0 |
| 21.87.48.8 | 358035464 | 0 |
| 21.87.48.9 | 358035465 | 0 |
| 21.87.48.10 | 358035466 | 0 |
| 21.87.48.11 | 358035467 | 0 |
| 21.87.48.12 | 358035468 | 0 |
| 21.87.48.13 | 358035469 | 0 |
| 21.87.48.14 | 358035470 | 0 |
| 21.87.48.15 | 358035471 | 0 |
| 21.87.48.16 | 358035472 | 0 |
| 21.87.48.17 | 358035473 | 0 |
| 21.87.48.18 | 358035474 | 0 |
| 21.87.48.19 | 358035475 | 0 |
| 21.87.48.20 | 358035476 | 0 |
| 21.87.48.21 | 358035477 | 0 |
| 21.87.48.22 | 358035478 | 0 |
| 21.87.48.23 | 358035479 | 0 |
| 21.87.48.24 | 358035480 | 0 |
| 21.87.48.25 | 358035481 | 0 |
| 21.87.48.26 | 358035482 | 0 |
| 21.87.48.27 | 358035483 | 0 |
| 21.87.48.28 | 358035484 | 0 |
| 21.87.48.29 | 358035485 | 0 |
| 21.87.48.30 | 358035486 | 0 |
| 21.87.48.31 | 358035487 | 0 |
| 21.87.48.32 | 358035488 | 0 |
| 21.87.48.33 | 358035489 | 0 |
| 21.87.48.34 | 358035490 | 0 |
| 21.87.48.35 | 358035491 | 0 |
| 21.87.48.36 | 358035492 | 0 |
| 21.87.48.37 | 358035493 | 0 |
| 21.87.48.38 | 358035494 | 0 |
| 21.87.48.39 | 358035495 | 0 |
| 21.87.48.40 | 358035496 | 0 |
| 21.87.48.41 | 358035497 | 0 |
| 21.87.48.42 | 358035498 | 0 |
| 21.87.48.43 | 358035499 | 0 |
| 21.87.48.44 | 358035500 | 0 |
| 21.87.48.45 | 358035501 | 0 |
| 21.87.48.46 | 358035502 | 0 |
| 21.87.48.47 | 358035503 | 0 |
| 21.87.48.48 | 358035504 | 0 |
| 21.87.48.49 | 358035505 | 0 |
| 21.87.48.50 | 358035506 | 0 |
| 21.87.48.51 | 358035507 | 0 |
| 21.87.48.52 | 358035508 | 0 |
| 21.87.48.53 | 358035509 | 0 |
| 21.87.48.54 | 358035510 | 0 |
| 21.87.48.55 | 358035511 | 0 |
| 21.87.48.56 | 358035512 | 0 |
| 21.87.48.57 | 358035513 | 0 |
| 21.87.48.58 | 358035514 | 0 |
| 21.87.48.59 | 358035515 | 0 |
| 21.87.48.60 | 358035516 | 0 |
| 21.87.48.61 | 358035517 | 0 |
| 21.87.48.62 | 358035518 | 0 |
| 21.87.48.63 | 358035519 | 0 |
| 21.87.48.64 | 358035520 | 0 |
| 21.87.48.65 | 358035521 | 0 |
| 21.87.48.66 | 358035522 | 0 |
| 21.87.48.67 | 358035523 | 0 |
| 21.87.48.68 | 358035524 | 0 |
| 21.87.48.69 | 358035525 | 0 |
| 21.87.48.70 | 358035526 | 0 |
| 21.87.48.71 | 358035527 | 0 |
| 21.87.48.72 | 358035528 | 0 |
| 21.87.48.73 | 358035529 | 0 |
| 21.87.48.74 | 358035530 | 0 |
| 21.87.48.75 | 358035531 | 0 |
| 21.87.48.76 | 358035532 | 0 |
| 21.87.48.77 | 358035533 | 0 |
| 21.87.48.78 | 358035534 | 0 |
| 21.87.48.79 | 358035535 | 0 |
| 21.87.48.80 | 358035536 | 0 |
| 21.87.48.81 | 358035537 | 0 |
| 21.87.48.82 | 358035538 | 0 |
| 21.87.48.83 | 358035539 | 0 |
| 21.87.48.84 | 358035540 | 0 |
| 21.87.48.85 | 358035541 | 0 |