| Status | Name | Position | Date Registered | Posts | |
|---|---|---|---|---|---|
| Ciromi | 2018-03-16 | 0 | |||
| CirqueMeilano | 2023-11-18 | 0 | |||
| CirqueSoleil | 2023-02-12 | 0 | |||
| cirqusvoltaire | 2022-02-15 | 0 | |||
| Cirra | 2014-04-18 | 0 | |||
| cirrius | 2014-04-08 | 0 | |||
| Cirriyn | 2014-04-29 | 0 | |||
| Cirrus | 2014-06-13 | 0 | |||
| Cirrus Skysailor | 2014-08-08 | 0 | |||
| Cirrus Swinger | 2016-07-29 | 0 | |||
| Cirrus Tail | 2014-01-26 | 3 | |||
| Cirrus Vision | 2014-10-16 | 0 | |||
| CirrusClouds | 2014-07-31 | 0 | |||
| CirrusHurricane | 2014-01-25 | 0 | |||
| CirrusLight | 2014-04-18 | 8 | |||
| Cirrus_Rainbow | 2014-06-15 | 0 | |||
| CIRSEA | 2014-03-25 | 0 | |||
| CIRTYus | 2020-05-15 | 0 | |||
| Cisa | 2017-06-10 | 0 | |||
| Cisakaa | 2021-09-18 | 0 | |||
| Cisasai | 2021-12-22 | 0 | |||
| Cisc0 | 2023-09-24 | 0 | |||
| Cisco | 2012-09-29 | 0 | |||
| Ciscodelorum | 2013-07-06 | 1 | |||
| Cisko | 2014-01-24 | 0 | |||
| CISRD | 2014-04-20 | 0 | |||
| Ciss | 2019-05-07 | 0 | |||
| Cissi | 2015-06-23 | 0 | |||
| Cissni | 2015-08-01 | 0 | |||
| Cissonis | 2018-10-04 | 0 | |||