STJ SAS is a French Société par Actions Simplifiée operating as STJ Telecom, a VoIP provider for call centers. Its internet presence is limited to AS210839 and a single /24 IPv4 block, with no active BGP announcements observed. Registry records confirm its legal identity and ARCEP operator number, but no PeeringDB, customer, or financial data is publicly available. Key watchpoints include the first BGP appearance of its prefix, changes to RIPE aut-num or org records, and corporate filing updates. The main uncertainty is the mismatch between broad declared activities and the tiny observable network footprint.
STJ SAS performs the role of a voice-over-IP operator for call centers, as stated in its legal notice and ARCEP registration, while also listing broader telecom and IT activities in the French commercial registry. In internet infrastructure, it controls AS210839 and the 185.224.172.0/24 prefix, serving as an origin for traffic under its own routing policy—though that prefix is not currently seen in the global routing table.
STJ SAS warrants monitoring because its entire public internet presence—a single ASN and one IPv4 prefix—forms the reachability layer for call center VoIP services. Any registry change, route announcement, or upstream reconfiguration can immediately impact those downstream voice operations, making it a concentrated risk point for network operators and incident responders.
STJ SAS warrants monitoring because its entire public internet presence—a single ASN and one IPv4 prefix—forms the reachability layer for call center VoIP services. Any registry change, route announcement, or upstream reconfiguration can immediately impact those downstream voice operations, making it a concentrated risk point for network operators and incident responders.
STJ SAS performs the role of a voice-over-IP operator for call centers, as stated in its legal notice and ARCEP registration, while also listing broader telecom and IT activities in the French commercial registry. In internet infrastructure, it controls AS210839 and the 185.224.172.0/24 prefix, serving as an origin for traffic under its own routing policy—though that prefix is not currently seen in the global routing table.
The practical impact lies in the potential for service disruption: if AS210839 or its prefix becomes unreachable due to routing changes, registry errors, or upstream failures, call center customers relying on STJ Telecom would experience voice service outages. Conversely, changes in registry data can signal mergers, acquisitions, or operational shifts that alter risk exposure.
STJ SAS is a French Société par Actions Simplifiée operating as STJ Telecom, a VoIP provider for call centers. Its internet presence is limited to AS210839 and a single /24 IPv4 block, with no active BGP announcements observed. Registry records confirm its legal identity and ARCEP operator number, but no PeeringDB, customer, or financial data is publicly available. Key watchpoints include the first BGP appearance of its prefix, changes to RIPE aut-num or org records, and corporate filing updates. The main uncertainty is the mismatch between broad declared activities and the tiny observable network footprint.
The practical impact lies in the potential for service disruption: if AS210839 or its prefix becomes unreachable due to routing changes, registry errors, or upstream failures, call center customers relying on STJ Telecom would experience voice service outages. Conversely, changes in registry data can signal mergers, acquisitions, or operational shifts that alter risk exposure.
| 0.90–1.00 | A | High — direct sources |
| 0.75–0.89 | A/B | Strong |
| 0.55–0.74 | B/C | Medium |
| 0.35–0.54 | C/D | Weak–medium |
| 0.10–0.34 | D | Weak signal |
| 0.00–0.09 | D | Internal monitoring |
Several public sources
STJ SAS
STJ SAS是一家法国VoIP运营商，以STJ Telecom名义运营，公开关联单个自治系统AS210839和一个目前未在BGP中通告的/24 IPv4前缀。其作为呼叫中心语音提供商的宣告角色，导致对互联网编号资源的依赖狭窄且单一，且无可观察到的活跃路由或客户证据。 另见: STJ SAS.
为何重要
实际影响在于服务中断的可能性：如果AS210839或其前缀因路由变更、注册错误或上游故障而无法访问，依赖STJ Telecom的呼叫中心客户将遭遇语音服务中断。反之，注册数据的变更可能预示着兼并、收购或运营转型，从而改变风险敞口。 另见: Letiste Praha, a. s..
公开来源显示
STJ SAS以STJ Telecom名义运营，是一家法国电信运营商，公开定位为呼叫中心的VoIP提供商。该公司注册地址位于法国Demouville的16 Rue du Chateau，持有ARCEP运营商编号14-0340，并以SIREN号码795 206 523运营。 另见: 罗伯特·纽沃斯.
其整个公共互联网存在由单个自治系统AS210839和一个分配的IPv4前缀185.224.172.0/24定义，无IPv6分配。RIPE注册记录显示该ASN于2021年8月分配，由发起组织ORG-Ns139-RIPE赞助，进出口策略指向上游AS199248和AS8218。 另见: 尤金·贡恰连科.
尽管持有这些资源，BGP监控未显示185.224.172.0/24的当前公告，这意味着该前缀可能未被活跃路由或私下使用。这使得STJ SAS成为一个集中依赖：任何注册记录变更、路由泄露或撤销都可能立即中断依赖其的呼叫中心语音服务。 另见: NGA Connect Limited.
公司自身的法律声明和商业注册条目列出了更广泛的活动——互联网接入、数据托管、网络容量转售——但无客户参考、服务页面或财务披露证实哪些是运营中的。未发现PeeringDB记录，并且无高管或技术联系人公开具名，使得运营模式基本不透明。 另见: Skywolf Inc（天狼公司）.
观察者应监控185.224.172.0/24的首次BGP出现，这将确认活跃使用并可能揭示下游依赖。RIPE aut-num或组织对象的变更，如新的发起LIR或联系信息更改，可预示所有权转移。企业注册更新——解散、地址变更、董事任命——直接影响公司的法律地位。 另见: Devout BV.
其他信号包括PeeringDB记录的出现，这将披露对等策略和流量水平，以及公司网站与公开聚合器之间资本数字冲突的核对。在观察到活跃路由之前，运营商的真实规模和客户风险仍然不确定。 另见: FUTURE SPACE SA.
运营界面
STJ SAS扮演呼叫中心VoIP运营商的角色，如其法律声明和ARCEP注册所述，同时在法国商业注册列表中列出更广泛的电信和IT活动。在互联网基础设施中，它控制AS210839和185.224.172.0/24前缀，作为其自身路由策略下的流量发起源——尽管该前缀目前未在全球路由表中出现。
STJ SAS值得监控，因为其整个公共互联网存在——单个ASN和一个IPv4前缀——构成了呼叫中心VoIP服务的可达层。任何注册表变更、路由公告或上游重配置都可能立即影响下游语音业务，使其成为网络运营商和事故响应者的集中风险点。
观察要点
STJ SAS为呼叫中心语音服务代表了低可见性但可能脆弱的依赖；其运营重要性完全取决于其前缀是否被活跃公告以及其小型上游集合的稳定性。
185.224.172.0/24的首次BGP公告；RIPE aut-num或组织记录的任何变更；法国商业注册中的解散或董事变更；PeeringDB条目的出现；冲突资本数字的核对。
无活跃BGP数据、无客户名单、无财务数据、无具名高管，以及冲突的资本数字。需要路由遥测和更新的公司文件以减少不确定性。
来源
- 注册RDAP / WHOIS记录 - STJ SAS的公开来源身份和注册上下文。
- stj-telecom.com - 官方运营商页面列出stj-telecom.com，一个Demouville/Caen地址，通用联系信息，ARCEP运营商编号14-0340，RCS Caen标识符795 206 523 00016，增值税号FR29795206523，并将STJ Telecom描述为呼叫中心的VoIP运营商。
- pappers.fr - 公开公司注册聚合器列出STJ (STJ TELECOM)，SIREN 795 206 523，活跃状态，SAS法律形式，地址位于Demouville的16 Rue du Chateau，无线电信活动，以及申报的电信/IT/网络容量活动。
- 注册RDAP / WHOIS记录 - RIPE RDAP是RIPE NCC服务区域内AS210839的权威公开注册路径，并支持STJ/ORG-SA4766-RIPE的AS210839注册上下文。
- 注册RDAP / WHOIS记录 - 镜像AS210839的RIPE RPSL字段：as-name STJ，组织ORG-SA4766-RIPE，发起组织ORG-Ns139-RIPE，状态ASSIGNED，创建和最后修改于2021-08-26，进口/出口策略指向AS199248和AS8218，以及法国STJ SAS组织。
- ipinfo.io - 将AS210839列为法国STJ SAS，关联stj-telecom.com，具有RIPE注册，分配/更新日期为2021年8月26日，256个IPv4地址，零IPv6地址，以及网段185.224.172.0/24。
- radar.cloudflare.com - 提供AS210839 STJ在法国的公开路由页面，包括路由统计、公告的IP地址空间、公告的前缀、连通性和BGP公告视图。
- 互联网注册记录 - IANA列出210332-211355自治系统编号范围由RIPE NCC分配，并提供RIPE RDAP服务；AS210839属于该RIPE NCC范围。
Domain of operation
STJ SAS is a French VoIP operator trading as STJ Telecom, publicly associated with a single autonomous system, AS210839, and one /24 IPv4 prefix that is currently unannounced in BGP. Its declared role as a call-center voice provider creates a narrow, single-threaded dependency on internet numbering resources, with no observable active routing or customer evidence.
- Registry RDAP / WHOIS record: public-source identity and registry context for STJ SAS. Evidence basis: source-d9e186952aef
Timeline
- STJ SAS public evidence observed
STJ SAS warrants monitoring because its entire public internet presence—a single ASN and one IPv4 prefix—forms the reachability layer for call center VoIP services. Any registry change, route announcement, or upstream reconfiguration can immediately impact those downstream voice operations, making it a concentrated risk point for network operators and incident responders.
At A Glance
- Name: STJ SAS
- Type: Digital infrastructure institution
- Base: France
- Profile focus: Institution
What It Does
- public operating records
- official service pages
- documented relationships updates
Why It Matters
- The practical impact lies in the potential for service disruption: if AS210839 or its prefix becomes unreachable due to routing changes, registry errors, or upstream failures, call center customers relying on STJ Telecom would experience voice service outages. Conversely, changes in registry data can signal mergers, acquisitions, or operational shifts that alter risk exposure.
- Operational criticality: Medium
- Time horizon: Next quarter
What To Watch
- official company sources
- public registries
- operator-published records
Track verified source updates, role changes, and current public evidence.
The practical impact lies in the potential for service disruption: if AS210839 or its prefix becomes unreachable due to routing changes, registry errors, or upstream failures, call center customers relying on STJ Telecom would experience voice service outages. Conversely, changes in registry data can signal mergers, acquisitions, or operational shifts that alter risk exposure.
Longer-term relevance depends on verified operating, policy, and relationship changes.
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The practical impact lies in the potential for service disruption: if AS210839 or its prefix becomes unreachable due to routing changes, registry errors, or upstream failures, call center customers relying on STJ Telecom would experience voice service outages. Conversely, changes in registry data can signal mergers, acquisitions, or operational shifts that alter risk exposure.
Watchpoints
- STJ SAS represents a low-visibility but potentially brittle dependency for call center voice services; its operational significance is entirely gated on whether its prefix becomes actively announced and on the stability of its small upstream set.
- First BGP announcement of 185.224.172.0/24; any change to RIPE aut-num or organisation records; dissolution or director changes in French commercial registry; appearance of a PeeringDB entry; reconciliation of conflicting capital figures.
- No active BGP data, no customer roster, no financials, no named executives, and conflicting capital figures.
Caveats
- Public evidence is used only for source-backed claims.
- Private control or contract claims require separate public support.
FAQ
Why does BTW track STJ SAS?
STJ SAS warrants monitoring because its entire public internet presence—a single ASN and one IPv4 prefix—forms the reachability layer for call center VoIP services. Any registry change, route announcement, or upstream reconfiguration can immediately impact those downstream voice operations, making it a concentrated risk point for network operators and incident responders.
What evidence supports the profile?
public-source identity and registry context for STJ SAS.
What should readers watch next?
STJ SAS represents a low-visibility but potentially brittle dependency for call center voice services; its operational significance is entirely gated on whether its prefix becomes actively announced and on the stability of its small upstream set.
