Unverified50% confidenceFactExact time
Anthropic的短信验证系统能通过运营商查询接口（HLR Lookup）实时判断来电号码是否为VoIP虚拟号
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/7/2026
First Seen
Valid until: 10/5/2026
Sources
国内订阅Claude防封号全攻略：注册、支付与API使用实测
bilibiliAI破局者7/3/2026
Related Claims
UnverifiedHLR 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72% similarUnverifiedOnline SMS receiving platforms use VoIP and virtual number services, purchasing phone number resources through partnerships with telecom carriers or virtual operators in various countries61% similarUnverifiedSMS验证平台（虚拟号码/短信验证服务）通过汇集真实海外SIM卡资源并出租的方式运营，平台运营商在目标国家购买大量实体SIM卡或与当地运营商合作获取虚拟号段59% similarUnverified代理用户登录网站的自动化工具需应对验证码、设备指纹检测、异常行为分析及Cloudflare、DataDome等Bot检测系统58% similarUnverifiedOpenAI通过手机号短信验证来防止滥用和机器人注册56% similar
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