Unverified50% confidenceFactExact time
HLR Lookup是一种电信级号码验证技术，能实时查询号码的运营商归属、在网状态和号码类型，区分VoIP与实体SIM卡的准确率极高
1
Sources
50%
Confidence
Long-term
Relevance
7/7/2026
First Seen
Sources
Related Claims
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