58,289 registered blocks.

🇺🇸 AT&T 08:00:6A:00:00:00 /24 MA-L 🇺🇸 AT&T 80:00:10:00:00:00 /24 MA-L 🇺🇸 AT&T 80:3A:59:00:00:00 /24 MA-L 🇺🇸 AT&T D0:93:95:20:00:00 /28 MA-M 🇺🇸 AT&T Government Solutions 00:50:C2:87:D0:00 /36 IAB 🇺🇸 AT&T, Inc. DA:2B:DD:00:00:00 /24 CID 🇩🇪 AT-Automation Technology GmbH 00:50:C2:8E:D0:00 /36 IAB 🇩🇪 AT-Automation Technology GmbH 70:B3:D5:02:80:00 /36 MA-S 🇩🇪 AT-Automation Technology GmbH 70:B3:D5:34:50:00 /36 MA-S 🇩🇪 AT-Automation Technology GmbH 8C:1F:64:2D:A0:00 /36 MA-S 🇩🇪 AT-Automation Technology GmbH 8C:1F:64:69:E0:00 /36 MA-S 🇩🇪 AT-Automation Technology GmbH 8C:1F:64:7F:20:00 /36 MA-S 🇫🇷 At-Sky SAS 00:06:08:00:00:00 /24 MA-L 🇪🇸 AT4 wireless.S.A 00:50:C2:AE:00:00 /36 IAB 🇨🇿 ATAL s.r.o. 8C:1F:64:80:50:00 /36 MA-S 🇪🇸 Atalum Wireless S.A. 00:15:54:00:00:00 /24 MA-L 🇦🇺 Atamo Pty Ltd 54:11:5F:00:00:00 /24 MA-L 🇹🇼 ATAN TECHNOLOGY INC. 00:D0:CD:00:00:00 /24 MA-L 🇹🇼 ATANS Technology Inc. 3C:DC:03:60:00:00 /28 MA-M 🇺🇸 ATARI CORPORATION 00:00:36:00:00:00 /24 MA-L 🇺🇸 Atari, Inc. 44:03:77:10:00:00 /28 MA-M 🇰🇷 ATAW Co., Ltd. AC:14:61:00:00:00 /24 MA-L 🇰🇷 ATBiS Co.,Ltd 70:B3:D5:C2:F0:00 /36 MA-S 🇺🇸 ATCOM Technology Co.Ltd. 80:82:87:00:00:00 /24 MA-L 🇺🇸 ATE Systems Inc 70:B3:D5:59:40:00 /36 MA-S 🇮🇹 ATEC SRL 00:50:C2:77:C0:00 /36 IAB 🇸🇮 ATech elektronika d.o.o. 00:16:D0:00:00:00 /24 MA-L 🇰🇷 ATECH SYSTEM 00:90:84:00:00:00 /24 MA-L 🇹🇼 Atech Technology Co., Ltd. 00:19:0E:00:00:00 /24 MA-L 🇩🇪 AtecoM GmbH advanced telecomunication modules 00:50:66:00:00:00 /24 MA-L 🇰🇷 Atek Co, Ltd. 00:07:DC:00:00:00 /24 MA-L 🇺🇸 ATEK Products, LLC 34:F9:68:00:00:00 /24 MA-L 🇺🇸 ATEK Products, LLC 74:BE:08:00:00:00 /24 MA-L 🇯🇵 Atel Corporation 00:50:C2:98:40:00 /36 IAB 🇯🇵 Atelier Vision Corporation 68:9A:B7:00:00:00 /24 MA-L 🇫🇷 Ateliers R. LAUMONIER 00:1B:06:00:00:00 /24 MA-L 🇫🇷 ATEME 64:DF:E9:00:00:00 /24 MA-L 🇫🇷 ATEME 00:50:C2:28:60:00 /36 IAB 🇫🇷 ATEME 00:50:C2:7B:10:00 /36 IAB 🇫🇷 ATEME 00:50:C2:8E:A0:00 /36 IAB 🇫🇷 ATEME 00:50:C2:B2:70:00 /36 IAB 🇫🇷 ATEME 00:50:C2:E0:90:00 /36 IAB 🇫🇷 ATEME 40:D8:55:0C:C0:00 /36 IAB ATEME 70:B3:D5:3E:50:00 /36 MA-S 🇫🇷 ATEME 70:B3:D5:53:10:00 /36 MA-S 🇫🇷 ATEME 70:B3:D5:60:70:00 /36 MA-S ATEME 70:B3:D5:AA:70:00 /36 MA-S ATEME 70:B3:D5:DC:00:00 /36 MA-S 🇹🇼 ATEN INTERNATIONAL CO., LTD. 00:10:74:00:00:00 /24 MA-L 🇮🇹 ATENIX E.E. s.r.l. 00:25:6B:00:00:00 /24 MA-L 🇨🇳 ATER Technologies Co Ltd A8:5B:36:C0:00:00 /28 MA-M 🇮🇱 Atera Networks LTD. 00:18:53:00:00:00 /24 MA-L 🇺🇸 Atessa, Inc. 70:B3:D5:7E:70:00 /36 MA-S 🇺🇸 ATEX 00:00:DA:00:00:00 /24 MA-L 🇩🇪 ATG Automatisierungstechnik GERA GmbH 00:50:C2:86:40:00 /36 IAB 🇬🇧 ATG UV Technology 64:31:39:E0:00:00 /28 MA-M 🇬🇧 ATG UV Technology 40:D8:55:05:00:00 /36 IAB 🇬🇧 ATG UV Technology 70:B3:D5:E9:C0:00 /36 MA-S 🇷🇺 ATGS 70:B3:D5:72:60:00 /36 MA-S 🇨🇿 ATH system 60:B1:85:00:00:00 /24 MA-L 🇨🇿 ATH system 00:50:C2:55:30:00 /36 IAB 🇨🇿 ATH system 00:50:C2:D4:A0:00 /36 IAB 🇸🇦 ATHEER CONNECTIVITY F8:2B:E6:D0:00:00 /28 MA-M 🇫🇷 ATHENA 28:72:F0:00:00:00 /24 MA-L 🇺🇸 Athena Semiconductor 00:50:C2:35:70:00 /36 IAB 🇺🇸 Athena Tech, Inc. 00:21:18:00:00:00 /24 MA-L 🇺🇸 Athena Wireless Communications Inc 70:32:D5:00:00:00 /24 MA-L 🇺🇸 ATHENIX CORPORATION 00:40:80:00:00:00 /24 MA-L 🇹🇼 AthenTek Inc. AC:AB:BF:00:00:00 /24 MA-L 🇺🇸 Atheros Communications 00:B0:52:00:00:00 /24 MA-L 🇺🇸 Atheros Communications, Inc. 00:03:7F:00:00:00 /24 MA-L 🇺🇸 Atheros Communications, Inc. 00:13:74:00:00:00 /24 MA-L 🇳🇱 Athom B.V. 90:13:DA:00:00:00 /24 MA-L 🇨🇦 ATHREYA INC 70:B3:D5:85:D0:00 /36 MA-S 🇺🇸 ATI C4:7C:8D:00:00:00 /28 MA-M 🇧🇷 ATI Automação Telecomunicações e Informática Ltda 00:50:C2:FA:E0:00 /36 IAB 🇨🇳 ATI Electronics(Shenzhen) Co., LTD 00:25:DB:00:00:00 /24 MA-L 🇺🇸 ATI Industrial Automation 00:16:BD:00:00:00 /24 MA-L 🇨🇦 ATI Technologies Inc. 00:06:BB:00:00:00 /24 MA-L 🇵🇹 Atik Cameras Unipessoal, Lda 8C:1F:64:FD:D0:00 /36 MA-S 🇹🇼 Atil Technology Co., LTD D8:8D:C8:00:00:00 /24 MA-L 🇫🇷 ATIM Radiocommunication 70:B3:D5:9B:A0:00 /36 MA-S 🇰🇷 ATION Corporation 70:B3:D5:32:C0:00 /36 MA-S 🇨🇭 Atios AG D0:17:B7:00:00:00 /24 MA-L 🇨🇿 ATIS group s.r.o. 00:50:C2:92:70:00 /36 IAB 🇯🇵 ATL-SD 70:B3:D5:B7:60:00 /36 MA-S 🇺🇸 Atlanta Advanced Communications Holdings Limited 00:1A:E6:00:00:00 /24 MA-L 🇺🇸 Atlanta DTH, Inc. 00:1F:A9:00:00:00 /24 MA-L 🇫🇷 ATLANTIC NETWORK SYSTEMS 00:90:3C:00:00:00 /24 MA-L 🇬🇧 Atlantic Pumps Ltd 8C:1F:64:85:B0:00 /36 MA-S 🇮🇹 Atlantic Software Technologies S.r.L. 00:22:E0:00:00:00 /24 MA-L 🇺🇸 ATLANTIX CORPORATION 00:80:0E:00:00:00 /24 MA-L 🇱🇻 Atlas Aerospace 1C:A0:EF:90:00:00 /28 MA-M 🇧🇪 Atlas Copco C4:FF:84:90:00:00 /28 MA-M 🇩🇪 Atlas Copco IAS GmbH 94:C3:E4:00:00:00 /24 MA-L 🇩🇪 Atlas Copco IAS GmbH 00:50:C2:B1:F0:00 /36 IAB 🇸🇪 ATLAS COPCO TOOLS AB 00:50:D6:00:00:00 /24 MA-L 🇬🇧 Atlas Elektronik UK Limited 20:6A:FF:00:00:00 /24 MA-L 🇺🇸 Atlas Lighting Products 70:B3:D5:CB:50:00 /36 MA-S 🇺🇸 Atlas Material Testing Technology LLC 00:1F:1D:00:00:00 /24 MA-L