- Prefix
- 74:EF:4B 74-EF-4B 74EF.4B
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 74:EF:4B:00:00:00 – 74:EF:4B:FF:FF:FF
- Organization
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD
- Registered address
- NO.18 HAIBIN ROAD,, DONG GUAN GUANG DONG 523860, CN
- Country
- China (CN)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 74:EF:4B:00:00:00
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD holds 158 blocks in total: see all. Source: IEEE Registration Authority public listing.