CIX currently has 40 members.
| Member | Location | AS number | Contact |
| 4TEL Telekomunikacije | CIX1 | 203964 | info@4tel.hr |
| A1 Hrvatska d.o.o. | CIX1 | 15994 | cix@A1.hr |
| AKD d.o.o. | CIX1 | 59866 | cix@akd.hr |
| AKENES SA | CIX1 | 61098 | noc@exoscale.ch |
| Akton d.o.o. | CIX1 | 25467 | podrska@akton.hr |
| Avalon d.o.o. | CIX2 | 201563 | noc@avalon.hr |
| BTnet d.o.o. | CIX1 | 1886 | cix@btnet.hr |
| Cloudflare Inc | CIX2 | 13335 | peering@cloudflare.com |
| CRATIS d.o.o. | CIX2, CIX3 | 61094 | cix@cratis.hr |
| DATABOX d.o.o. | CIX1 | 206575 | cix@databox.hr |
| Digital Realty | CIX2 | 199244 | info@altus-it.hr |
| EcoNet d.o.o. | CIX3 | 207541 | cix@econet.hr |
| EOLO d.d. | CIX1 | 201987 | cnoc@eolo.it |
| Fenice Telekom Grupa d.o.o. | CIX1 | 204020 | peering@fenice.hr |
| HAKOM | CIX1 | 207514 | cix@hakom.hr |
| Hrvatska akademska i istraživačka mreža - CARNet | CIX1 | 2108 | mreza@carnet.hr |
| HEP Telekomunikacije d.o.o. | CIX1 | 25328 | net@hep.hr |
| Hrvatski Telekom d.d. | CIX1 | 5391 | ip.noc@t.ht.hr |
| Hurricane Electric LLC | CIX1 | 6939 | peering@he.net |
| Infobip d.o.o. | CIX2 | 43009 | team_core_network@infobip.com |
| Iskon Internet d.d. | CIX1 | 13046 | noc@iskon.hr |
| Magic Net d.o.o. | CIX1 | 44377 | cix@mtnet.hr |
| Microsoft Hrvatska d.o.o. | CIX1, CIX2 | 8075 | http://as8075.peeringdb.com |
| Ministarstvo pravosuđa, uprave i digitalne transformacije | CIX1, CIX2 | 41336 | hitronet@rdd.hr |
| Odašiljači i veze d.o.o. | CIX1, CIX2 | 48797 | cix@oiv.hr |
| Omonia d.o.o. | CIX1 | 44306 | cix@omonia.hr |
| Optika kabel TV d.o.o. | CIX1 | 41454 | noc@oktv.hr |
| Packet Clearing House - PCH | CIX1 | 42, 3856 | peering@pch.net |
| PRO-PING d.o.o. | CIX1 | 62161 | noc@pro-ping.hr |
| Release14 d.o.o. | 210730 | ||
| Sedmi odjel d.o.o. | CIX2 | 198785 | cix@sedmiodjel.com |
| SETCOR d.o.o. | CIX1 | 61211 | support@setcor.hr |
| Softnet d.o.o. | CIX1 | 9119 | cix@softnet.hr |
| Stelkom d.o.o. | CIX1 | 43061 | tk.help@stelkom.si |
| Styria IT Solutions d.o.o. | CIX1, CIX2 | 51577 | cix@styria-it.hr |
| T - 2 d.o.o. | CIX 2 | 34779 | peering@t-2.com |
| Telemach Hrvatska d.o.o. | CIX1, CIX2 | 205714, 34594 | cix@telemach.hr |
| Terrakom d.o.o. | CIX1 | 34362 | noc@terrakom.hr |
| United group network infrastructure d.o.o. | CIX2 | 31042 | peering@ugni.net |
| VeriSign Netherlands VB | CIX1 | 26415 | rocc@verisign.com |
