SMC Networks holds 8 IEEE blocks (about 118.5 million addresses) registered as "SMC Networks, Inc." (historically Irvine, California, from the Standard Microsystems lineage), spanning MA-L (24-bit) and MA-M (28-bit), plus legacy blocks under "STANDARD MICROSYSTEMS." Verified samples include 00:04:E2, 00:0B:C5, 00:13:F7, 00:22:2D, 78:CD:8E, and B8:9B:C9 (MA-L), plus an MA-M block beginning E4:95:6E:0; the legacy Standard Microsystems prefixes include 00:80:0F (300 Kennedy Drive, Hauppauge NY) and 00:E0:29 (6 Hughes, Irvine CA). These OUIs appear on routers, switches, Wi-Fi access points, cable modems and gateways, and network adapters — much of it legacy but still fielded, including ISP cable CPE such as the SMCD3GNV gateways deployed by Comcast. The corporate lineage is decisive: SMC Networks split from Standard Microsystems Corporation (SMSC), and Microchip Technology agreed to acquire SMSC on 2012-05-02 at $37.00/share (a total equity value of about $939 million, ~$766M enterprise value), closing in Q3 2012. The key analyst point is brand-mapping plus an ISP-supplied-cable-CPE angle. For triage, an SMC OUI usually flags older networking gear or an ISP-deployed cable gateway (notably Comcast deployments) — treat it as a legacy asset and verify firmware and age; distinguish SMC Networks (the networking brand) from SMSC/Standard Microsystems (the chip lineage, now part of Microchip).
- IEEE assignment
- 8 prefixes → "SMC Networks, Inc."; plus legacy "STANDARD MICROSYSTEMS" blocks [Confirmed] — IEEE MA-L/MA-M
- Registry / block size
- MA-L + MA-M; SMC Networks 8 blocks (~118.5M addresses) [Confirmed] — maclookup.app (IEEE-sourced)
- HQ / country
- SMC Networks historically Irvine, CA, US (Standard Microsystems lineage); legacy 00:E0:29 lists 6 Hughes, Irvine CA 92718; 00:80:0F lists 300 Kennedy Drive, Hauppauge NY 11788 [Confirmed] — maclookup.app
- Company status
- largely legacy; SMC Networks split from Standard Microsystems Corporation (SMSC); Microchip agreed to acquire SMSC 2012-05-02 ($37.00/share, ~$939M equity / ~$766M enterprise value), closing Q3 2012 [Confirmed for SMSC/Microchip] — Microchip/SMSC SEC Form 8-K (2012-05-02)
- Device types
- routers, switches, Wi-Fi access points, cable modems/gateways, network adapters [Confirmed] — maclookup.app
- Notable products
- SMC-branded networking gear and ISP cable CPE (e.g., SMCD3GNV gateways deployed by Comcast)
- Verified prefix sample
- 00:04:E2, 00:0B:C5, 00:13:F7, 00:22:2D, 78:CD:8E, B8:9B:C9 (MA-L); E4:95:6E:0 (MA-M); legacy 00:80:0F, 00:E0:29 [Confirmed] — maclookup.app
- Special note
- Brand-mapping + ISP-supplied-cable-CPE case. Distinguish SMC Networks (networking brand) from SMSC/Standard Microsystems (chip lineage, now part of Microchip). Much SMC gear is legacy but still fielded. The IEEE registry publishes no assignment dates, so none is stated here. [Confirmed]
- Related vendors
- Standard Microsystems/SMSC (lineage), Microchip Technology (acquired SMSC in 2012)
- Analyst note
- An SMC OUI usually flags older networking gear or an ISP-deployed cable gateway (notably Comcast deployments); treat as a legacy asset and verify firmware/age.