| OUI Prefix | Vendor | Full Name |
|---|---|---|
| 04:BF:A8/24 | ISB | ISB Corporation |
| 18:FA:6F/24 | ISCapplied | ISC applied systems corp |
| 00:17:12/24 | ISCOInternat | ISCO International |
| 00:50:C2:B8:0/36 | iScreen | iScreen LLC |
| 00:0C:BC/24 | Iscutum | Iscutum |
| 8C:1F:64:57:D/36 | ISDI | ISDI Ltd |
| 00:20:69/24 | Isdn | Isdn Systems Corporation |
| 00:01:DF/24 | ISDNCommunic | ISDN Communications, Ltd. |
| 00:50:C2:03:D/36 | ISDNGatewayT | ISDN Gateway Technology AG |
| 00:20:68/24 | Isdyne | Isdyne |
| A4:11:63:A/28 | ISE | ISE GmbH |
| 9C:55:B4/24 | ISE | I.S.E. S.r.l. |
| 00:50:C2:46:A/36 | ISE | ISE GmbH |
| 40:F1:4C/24 | ISEEuropeSPR | ISE Europe SPRL |
| 00:50:C2:4A:7/36 | isegSpeziale | iseg Spezialelektronik GmbH |
| 14:4F:D7:6/28 | iSENS | i-SENS, Inc. |
| 00:50:C2:39:F/36 | Isensix | Isensix |
| 00:50:C2:47:5/36 | ISEPOS | ISEPOS GmbH |
| 60:69:9B/24 | isepos | isepos GmbH |
| 70:B3:D5:DE:F/36 | ISGNordic | ISG Nordic AB |
| 00:26:20/24 | ISGUS | ISGUS GmbH |
| 00:30:16/24 | Ishida | Ishida Co., Ltd. |
| 64:0E:9B/24 | IshidaMedica | Ishida Medical Co., Ltd. |
| 00:10:B8/24 | IshigakiComp | Ishigaki Computer System Co. |
| 00:1F:AB/24 | ISHighTech | I.S High Tech.Inc |
| 00:24:0F/24 | IshiiToolEng | Ishii Tool & Engineering Corporation |
| 00:00:E9/24 | Isicad | Isicad, Inc. |
| 90:FE:E2/24 | Isif | Isif |
| 8C:1F:64:04:F/36 | ISILINE | ISILINE srl |
| 00:15:1B/24 | Isilon | Isilon Systems Inc. |
| 00:40:2C/24 | IsisDistribu | Isis Distributed Systems, Inc. |
| 00:50:C2:C9:4/36 | IsisEngineer | Isis Engineering, S.A. |
| 70:B3:D5:53:0/36 | iSiSEx | iSiS-Ex Limited |
| B0:91:37/24 | ISisImageStr | ISis ImageStream Internet Solutions, Inc |
| 00:0C:BB/24 | Iskraemeco | Iskraemeco |
| 00:1B:DF/24 | IskraSistemi | Iskra Sistemi d.d. |
| 10:A3:B8/24 | Iskrateldoo | Iskratel d.o.o. |
| 64:6E:EA/24 | Iskrateldoo | Iskratel d.o.o. |
| 54:C2:50/24 | Iskrateldoo | Iskratel d.o.o. |
| 00:D0:50/24 | Iskrateldoo | Iskratel d.o.o. |
| 48:55:41/24 | Iskrateldoo | Iskratel d.o.o. |
| 00:0E:C4/24 | IskraTransmi | Iskra Transmission d.d. |
| 6C:5C:3D:9/28 | IskraUralTEL | IskraUralTEL |
| 00:1A:C8/24 | ISL | ISL (Instrumentation Scientifique de Laboratoire) |
| 8C:1F:64:C3:E/36 | ISMAMicrosol | ISMA Microsolutions INC |
| 94:51:3D/24 | iSmartAlarm | iSmart Alarm, Inc. |
| FC:1D:59/24 | ISmartCities | I Smart Cities HK Ltd |
| 38:FD:FE:E/28 | iSmartelectr | iSmart electronic technology co.,LTD |
| 00:50:C2:68:C/36 | Isochron | Isochron Inc |
| 00:C0:45/24 | Isolation | Isolation Systems, Ltd. |
| EC:74:CD:3/28 | iSolutionTec | iSolution Technologies Co.,Ltd. |
| D0:93:95:7/28 | iSolutionTec | iSolution Technologies Co.,Ltd. |
| 14:AE:85:D/28 | iSolutionTec | iSolution Technologies Co.,Ltd. |
| 84:E0:F4:A/28 | iSolutionTec | iSolution Technologies Co.,Ltd. |
| 00:18:C8/24 | ISONAS | ISONAS Inc. |
| 18:0C:14/24 | iSonea | iSonea Limited |
| 5C:F2:86:1/28 | iSonTech | iSon Tech |
| 40:D3:57/24 | IsonTechnolo | Ison Technology Co., Ltd. |
| BA:F2:1C/24 | IsoTc22Sc31 | Iso/Tc22/Sc31 |
| 70:B3:D5:31:9/36 | IsoTc22Sc31 | Iso/Tc 22/Sc 31 |
| 00:23:77/24 | IsotekElectr | Isotek Electronics Ltd |
| 5C:BE:05/24 | Ispec | Ispec |
| 70:B3:D5:51:7/36 | Ispher | Ispher |
| 34:29:8F:4/28 | ISRAVision | ISRA Vision AG |
| 7C:E4:A1:6/28 | ISRTechnolog | ISR Technologies Israel Ltd |
| 00:12:A7/24 | ISRTECHNOLOG | ISR TECHNOLOGIES Inc |
| 70:B3:D5:AB:1/36 | ISRVZrt | ISRV Zrt. |
| 8C:DE:52/24 | ISSCTechnolo | ISSC Technologies Corp. |
| 8C:5D:B2:9/28 | Issendorff | Issendorff Kg |
| 00:50:C2:3E:B/36 | ISSInternati | ISS International |
| 00:1B:C5:06:A/36 | IST | IST GmbH |
| 0C:E1:59/24 | iStartekTech | Shenzhen iStartek Technology Co., Ltd. |
| C0:83:59:8/28 | IstaSE | Ista SE |
| 38:73:EA:5/28 | Istcontrol | Istcontrol |
| A0:22:4E:A/28 | ISTElektroni | IST ElektronikgesmbH |
| 70:B3:D5:60:C/36 | ISTElektroni | IST ElektronikgesmbH |
| 00:04:65/24 | istisdnsuppo | i.s.t isdn-support technik GmbH |
| 18:B5:91/24 | IStorm | I-Storm |
| 00:12:15/24 | iStorNetwork | iStor Networks, Inc. |
| 1C:87:79:9/28 | Istriasoluci | Istria soluciones de criptografia, S. A. |
| 70:B3:D5:08:1/36 | ISTTechnolog | IST Technologies (SHENZHEN) Limited |
| D8:DE:CE/24 | Isung | Isung Co.,Ltd |
| B8:F3:17/24 | iSunSmasherC | iSun Smasher Communications Private Limited |
| B0:81:D8/24 | Isys | I-sys Corp |
| 0C:CB:0C/24 | iSYSRTS | iSYS RTS GmbH |
| 18:A5:9C:4/28 | It1 | It-1 |
| 10:63:A3:A/28 | ITABShopprod | ITAB Shop products |
| 00:04:2B/24 | ITAccess | IT Access Co., Ltd. |
| 00:25:BD/24 | ItaldataInge | Italdata Ingegneria dell'Idea S.p.A. |
| 00:07:69/24 | ItalianaMacc | Italiana Macchi SpA |
| 70:B3:D5:45:2/36 | ItalianaPont | Italiana Ponti Radio Srl |
| 70:9A:0B/24 | ItalianInsti | Italian Institute of Technology |
| 8C:1F:64:6C:F/36 | Italora | Italora |
| 00:01:5B/24 | ITALTELRFUPI | ITALTEL S.p.A/RF-UP-I |
| 00:90:AE/24 | ITALTELRFUPI | ITALTEL S.p.A/RF-UP-I |
| 00:50:C2:A5:A/36 | Itas | Itas A/S |
| 00:1F:05/24 | iTASTechnolo | iTAS Technology Corp. |
| 00:40:A7/24 | ItautecPhilc | Itautec Philco S.A. |
| 4C:6E:44:8/28 | iTaygaTechno | Shenzhen iTayga Technology Co.,Ltd |
| 00:50:C2:80:8/36 | ITBCompuPhas | ITB CompuPhase |