Die IP-Adresse 175.66.21 erfolgt über China Tietong Telecommunications Corporation, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 175.64.0.0/11 (Bereich 175.64.0.0, 175.95.255.255). Die autonomen Systemnummer (ASN) ist 9394.
| ASN | 9394 |
| Ausgehend von IP | 175.64.0.0 |
| Beendigung durch IP | 175.95.255.255 |
| ASN-Namen | China Tietong Telecommunications Corporation |
| GGDV | 175.64.0.0/11 |
| Numerische IP | |
| Registrierung | apnic |
| Letztes update | 28.09.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | CN | China | - | Beijing | 39,9075 | 116,3972 | 2017-09-28 |
| MaxMind | CN | China | - | Beijing | 39,9289 | 116,3883 | 2017-09-28 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 175.66.21.0 | 2940343552 | 0 |
| 175.66.21.1 | 2940343553 | 0 |
| 175.66.21.2 | 2940343554 | 0 |
| 175.66.21.3 | 2940343555 | 0 |
| 175.66.21.4 | 2940343556 | 0 |
| 175.66.21.5 | 2940343557 | 0 |
| 175.66.21.6 | 2940343558 | 0 |
| 175.66.21.7 | 2940343559 | 0 |
| 175.66.21.8 | 2940343560 | 0 |
| 175.66.21.9 | 2940343561 | 0 |
| 175.66.21.10 | 2940343562 | 0 |
| 175.66.21.11 | 2940343563 | 0 |
| 175.66.21.12 | 2940343564 | 0 |
| 175.66.21.13 | 2940343565 | 0 |
| 175.66.21.14 | 2940343566 | 0 |
| 175.66.21.15 | 2940343567 | 0 |
| 175.66.21.16 | 2940343568 | 0 |
| 175.66.21.17 | 2940343569 | 0 |
| 175.66.21.18 | 2940343570 | 0 |
| 175.66.21.19 | 2940343571 | 0 |
| 175.66.21.20 | 2940343572 | 0 |
| 175.66.21.21 | 2940343573 | 0 |
| 175.66.21.22 | 2940343574 | 0 |
| 175.66.21.23 | 2940343575 | 0 |
| 175.66.21.24 | 2940343576 | 0 |
| 175.66.21.25 | 2940343577 | 0 |
| 175.66.21.26 | 2940343578 | 0 |
| 175.66.21.27 | 2940343579 | 0 |
| 175.66.21.28 | 2940343580 | 0 |
| 175.66.21.29 | 2940343581 | 0 |
| 175.66.21.30 | 2940343582 | 0 |
| 175.66.21.31 | 2940343583 | 0 |
| 175.66.21.32 | 2940343584 | 0 |
| 175.66.21.33 | 2940343585 | 0 |
| 175.66.21.34 | 2940343586 | 0 |
| 175.66.21.35 | 2940343587 | 0 |
| 175.66.21.36 | 2940343588 | 0 |
| 175.66.21.37 | 2940343589 | 0 |
| 175.66.21.38 | 2940343590 | 0 |
| 175.66.21.39 | 2940343591 | 0 |
| 175.66.21.40 | 2940343592 | 0 |
| 175.66.21.41 | 2940343593 | 0 |
| 175.66.21.42 | 2940343594 | 0 |
| 175.66.21.43 | 2940343595 | 0 |
| 175.66.21.44 | 2940343596 | 0 |
| 175.66.21.45 | 2940343597 | 0 |
| 175.66.21.46 | 2940343598 | 0 |
| 175.66.21.47 | 2940343599 | 0 |
| 175.66.21.48 | 2940343600 | 0 |
| 175.66.21.49 | 2940343601 | 0 |
| 175.66.21.50 | 2940343602 | 0 |
| 175.66.21.51 | 2940343603 | 0 |
| 175.66.21.52 | 2940343604 | 0 |
| 175.66.21.53 | 2940343605 | 0 |
| 175.66.21.54 | 2940343606 | 0 |
| 175.66.21.55 | 2940343607 | 0 |
| 175.66.21.56 | 2940343608 | 0 |
| 175.66.21.57 | 2940343609 | 0 |
| 175.66.21.58 | 2940343610 | 0 |
| 175.66.21.59 | 2940343611 | 0 |
| 175.66.21.60 | 2940343612 | 0 |
| 175.66.21.61 | 2940343613 | 0 |
| 175.66.21.62 | 2940343614 | 0 |
| 175.66.21.63 | 2940343615 | 0 |
| 175.66.21.64 | 2940343616 | 0 |
| 175.66.21.65 | 2940343617 | 0 |
| 175.66.21.66 | 2940343618 | 0 |
| 175.66.21.67 | 2940343619 | 0 |
| 175.66.21.68 | 2940343620 | 0 |
| 175.66.21.69 | 2940343621 | 0 |
| 175.66.21.70 | 2940343622 | 0 |
| 175.66.21.71 | 2940343623 | 0 |
| 175.66.21.72 | 2940343624 | 0 |
| 175.66.21.73 | 2940343625 | 0 |
| 175.66.21.74 | 2940343626 | 0 |
| 175.66.21.75 | 2940343627 | 0 |
| 175.66.21.76 | 2940343628 | 0 |
| 175.66.21.77 | 2940343629 | 0 |
| 175.66.21.78 | 2940343630 | 0 |
| 175.66.21.79 | 2940343631 | 0 |
| 175.66.21.80 | 2940343632 | 0 |
| 175.66.21.81 | 2940343633 | 0 |
| 175.66.21.82 | 2940343634 | 0 |
| 175.66.21.83 | 2940343635 | 0 |
| 175.66.21.84 | 2940343636 | 0 |
| 175.66.21.85 | 2940343637 | 0 |