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Strategic Internet IntelligenceJun 09, 2026
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Institution Profiling / Regional ISP

By BTW Editor Team Editorial Team

Alstom Transport SA

Alstom Transport SA designs, builds, and services railway rolling stock and signalling systems for France's rail operators. It operates 17 active establishments and employs over 10,000 people. The company is a subsidiary of Alstom SA and holds autonomous system AS397025, which announces two IPv4 /24 prefixes, providing a passive signal of network or organizational changes.

Alstom Transport SA
AuthorBTW Editor Team
Reading Time1 min
Published2 June 2026
Last update8 June 2026
Primary DomainInfrastructure
Content TypeProfile
TopicRail Transport
EntityAlstom SA
RegionFrance
Time HorizonNext quarter
ImpactMedium

Disruptions to Alstom Transport SA's manufacturing or digital systems could cascade into rail network capacity shortfalls. Changes in its internet routing footprint, though limited, might prefigure broader IT or operational shifts that affect service reliability. Rail is designated critical infrastructure, and the company's own systems integrate digital control with physical safety.

Sources

Public references used for this article.

  • Registry RDAP / WHOIS record — public-source identity and registry context for Alstom Transport SA. (source risk: low)
  • data.inpi.fr — The French RNE extract identifies ALSTOM TRANSPORT SA, SIREN 389 191 982, as a société anonyme à conseil d'administration, with APE 3020Z for construction of railway locomotives and rolling stock, capital of 2,292,040,800 euros and registered office at 48 rue Albert Dhalenne, Saint-Ouen-sur-Seine. (source risk: low)
  • annuaire-entreprises.data.gouv.fr — The French public business directory reports ALSTOM TRANSPORT SA as active, created in public records, operating in construction of railway locomotives and rolling stock, with 10,000 or more employees in 2023 and 41 establishments including 17 active establishments. (source risk: low)
  • pappers.fr — The 2025 filed accounts state that Alstom Transport SA sells rail-transport equipment and services, recognizes long-term contract revenue by progress, reported 4.462 billion euros of net revenue for the year ended 31 March 2025, and is in an Alstom SA tax integration group. (source risk: low)
  • alstom.com — Alstom’s official company page describes the broader group as a pure rail leader providing trains, signalling, infrastructure, digital rail, services and turnkey systems, present in 63 countries with more than 86,000 employees and more than 150,000 vehicles in operation. (source risk: low)
  • alstom.com — Alstom’s France page says Alstom develops and markets systems, equipment and services for urban and main-line rail in France, with more than 13,000 employees and 14 sites in the country. (source risk: low)
  • alstom.com — Alstom’s FY 2025/26 management report reports 27.628 billion euros of orders received, 19.171 billion euros of sales and 104.412 billion euros of backlog for the broader group at 31 March 2026. (source risk: low)
  • ipinfo.io — IPinfo lists AS397025 as Alstom Transport SA in France, with registry RIPE, two IPv4 ranges totaling 512 IPv4 addresses, no IPv6 addresses and visible upstream and peer data. (source risk: low)
  • radar.cloudflare.com — Cloudflare Radar lists AS397025 as Alstom in France and provides a public view of BGP announcements, announced address space, prefixes and connectivity for the ASN. (source risk: low)
  • alstom.com — Alstom describes rail cybersecurity as a rail-specific control problem involving interconnected onboard, trackside, communications and passenger systems, and says rail is treated as critical infrastructure. (source risk: low)
  • alstom.com — Alstom’s Paris Metro Line 8 release describes I-CBTC as communication-based train control using continuous communication between train and control center, with safety, cybersecurity and reliability requirements. (source risk: low)
CategoryInstitution

Alstom Transport SA designs, builds, and services railway rolling stock and signalling systems for France's rail operators. It operates 17 active establishments and employs over 10,000 people. The company is a subsidiary of Alstom SA and holds autonomous system AS397025, which announces two IPv4 /24 prefixes, providing a passive signal of network or organizational changes.

RegionFrance

The company's scale and centrality to European rail operations make its production continuity and cybersecurity posture material to transport resilience. Its public ASN and IP prefixes offer an independent, passive signal of organizational or network shifts. Regulatory focus on rail cybersecurity amplifies the consequences of any digital disruption that could affect service reliability.

Signal FocusRail Transport

The company's scale and centrality to European rail operations make its production continuity and cybersecurity posture material to transport resilience. Its public ASN and IP prefixes offer an independent, passive signal of organizational or network shifts. Regulatory focus on rail cybersecurity amplifies the consequences of any digital disruption that could affect service reliability.

Content TypeProfile

Alstom Transport SA designs, builds, and services railway rolling stock and signalling systems for France's rail operators. It operates 17 active establishments and employs over 10,000 people. The company is a subsidiary of Alstom SA and holds autonomous system AS397025, which announces two IPv4 /24 prefixes, providing a passive signal of network or organizational changes.

Primary DomainInfrastructure

Disruptions to Alstom Transport SA's manufacturing or digital systems could cascade into rail network capacity shortfalls. Changes in its internet routing footprint, though limited, might prefigure broader IT or operational shifts that affect service reliability. Rail is designated critical infrastructure, and the company's own systems integrate digital control with physical safety.

TopicRail Transport

Alstom Transport SA is a €4.46 billion French rail equipment subsidiary whose production and digital control systems underpin passenger and freight rail. Public evidence establishes its legal identity, scale from filed accounts, and AS397025 routing context; direct linkage to rail operational technology is not proven. Watch for BGP prefix changes, regulatory cybersecurity actions, and corporate delivery disclosures.

ImpactMedium

Disruptions to Alstom Transport SA's manufacturing or digital systems could cascade into rail network capacity shortfalls. Changes in its internet routing footprint, though limited, might prefigure broader IT or operational shifts that affect service reliability. Rail is designated critical infrastructure, and the company's own systems integrate digital control with physical safety.

Confidence?Confidence Grade
0.90–1.00AHigh — direct sources
0.75–0.89A/BStrong
0.55–0.74B/CMedium
0.35–0.54C/DWeak–medium
0.10–0.34DWeak signal
0.00–0.09DInternal monitoring
High confidence (95%)

Several public sources

Alstom Transport SA is a €4.46 billion French rail equipment subsidiary whose production and digital control systems underpin passenger and freight rail. Public evidence establishes its legal identity, scale from filed accounts, and AS397025 routing context; direct linkage to rail operational technology is not proven. Watch for BGP prefix changes, regulatory cybersecurity actions, and corporate delivery disclosures.

阿尔斯通运输股份公司

阿尔斯通运输股份公司是阿尔斯通股份公司的法国铁路工程子公司，年净收入超过44亿欧元，员工超过1万人。该公司设计并维护城市和干线铁路的车辆和信号系统，并持有AS397025，提供了一个有限但可观察的互联网路由存在，能预示组织变革。 另见: Alstom Transport SA.

重要性

对阿尔斯通运输股份公司制造或数字系统的干扰可能连锁导致铁路网络运力短缺。其互联网路由足迹的变化虽然有限，但可能预示更广泛的IT或运营转变，影响服务可靠性。铁路被指定为关键基础设施，而该公司自身的系统将数字控制与物理安全整合。 另见: FR-GAMMICCHIAMA-20260516 GAMMICCHIA Matt 以 NET2LAN 名义经营.

公开来源信息

阿尔斯通运输股份公司是法国铁路工程支柱，年收入超过44亿欧元，员工数千人。该公司设计并维护着法国铁路运行的车辆、信号和数字控制系统。这一运营规模使其生产连续性和数字韧性成为国家运输利益攸关的事项。 另见: cve.

该公司在阿尔斯通集团内运营，截至2026年3月，该集团订单额达276亿欧元，积压订单达1040亿欧元。仅在法国，集团就在14个地点拥有超13000名员工。阿尔斯通运输股份公司是与AS397025关联的法律实体，后者是RIPE区域的一个小型自治系统。 另见: Arseniy Likhacev.

AS397025宣告两个IPv4 /24前缀，总计512个地址。该足迹虽小，但提供了一个被动的、外部可见的信号。BGP宣告、前缀撤回或注册变更可成为网络重组或IT策略变化的早期指标。 另见: Letiste Praha, a. s..

铁路被视为关键基础设施，阿尔斯通公开警告称，网络安全必须涵盖车载、轨旁和面向乘客的系统。该公司在巴黎地铁8号线上部署的基于通信的列车控制系统，突显了数字控制在现代铁路运营中的深度嵌入。 另见: Batlify Internet s.r.o..

尚不确定的是AS397025与铁路运营技术之间的直接联系。公开记录未揭示这些前缀上托管着哪些应用或服务。该ASN可能服务于后台或企业职能，而非信号或控制网络。若无进一步证据，路由通道仅是辅助信号，并非暴露性证据。 另见: 格雷肖特吉比特有限公司.

关注运输韧性的读者应留意阿尔斯通运输股份公司互联网足迹的重大变化。新前缀宣告、上游连接变化或注册详情变更，都可能在更广泛的组织或运营调整之前出现。公司文件和网络安全建议仍是洞悉该公司交付和风险态势的主要窗口。 另见: 中东矿业与矿产工业发展控股有限公司.

运营版图

阿尔斯通运输股份公司为法国铁路运营商设计、制造并维护铁路车辆和信号系统。该公司运营17家活跃机构，员工超10000人。该公司是阿尔斯通股份公司的子公司，持有自治系统AS397025，宣告两个IPv4 /24前缀，为网络或组织变化提供被动信号。

该公司在欧洲铁路运营中的规模和核心地位，使其生产连续性和网络安全态势对运输韧性至关重要。其公开的ASN和IP前缀为组织或网络变化提供了独立的被动信号。监管对铁路网络安全的关注放大了可能影响服务可靠性的任何数字中断的后果。

观察点

阿尔斯通运输股份公司是铁路行业中结构重要的参与者，其运营健康和网络安全态势在公开互联网讨论中监控不足。其有限的ASN足迹提供了一个罕见的被动信号，虽非决定性，但可与财务和监管数据结合，预判运输韧性的变化。与阿尔斯通股份公司的税收整合使其命运与集团更广泛的积压订单和项目执行风险紧密相连。

留意AS397025的新前缀宣告或路由变化，这可能表明网络扩展或整合。监控阿尔斯通股份公司的季度和年度文件，关注任何提及阿尔斯通运输股份公司收入下降、合同延迟或重组的措辞。追踪ANSSI或欧盟铁路网络安全建议中提及阿尔斯通或其供应商的内容。

公开证据未显示AS397025上托管着哪些服务或运营技术，这限制了其作为直接风险指标的价值。当前数据集中无活跃前缀样本，因此路由声明依赖静态注册记录。该公司的具体客户合同及其依赖结构未公开，难以量化连锁效应。

来源

  • Registry RDAP / WHOIS记录 - 为阿尔斯通运输股份公司提供公开来源身份和注册背景。
  • data.inpi.fr - 法国RNE摘录确认ALSTOM TRANSPORT SA，SIREN 389 191 982，为股份有限公司（société anonyme à conseil d'administration），APE 3020Z对应铁路机车和车辆制造，资本额为2,292,040,800欧元，注册地址位于圣旺塞纳河畔阿尔伯特·达莱纳路48号。
  • annuaire-entreprises.data.gouv.fr - 法国公共企业名录显示ALSTOM TRANSPORT SA为活跃状态，从公共记录创建，从事铁路机车和车辆制造，2023年员工数不少于10000人，拥有41家机构，其中17家为活跃机构。
  • pappers.fr - 2025年提交的账目称，阿尔斯通运输股份公司销售铁路运输设备和服务，按进度确认长期合同收入，截至2025年3月31日止年度净收入报告为44.62亿欧元，并隶属于阿尔斯通股份公司的税收整合集团。
  • alstom.com - 阿尔斯通官方公司页面描述其集团为纯粹的铁路领导者，提供列车、信号、基础设施、数字铁路、服务和交钥匙系统，业务遍及63个国家，拥有超过86,000名员工，运营车辆超150,000台。
  • alstom.com - 阿尔斯通法国页面称，阿尔斯通在法国开发和销售城市与干线铁路的系统、设备和服务，在法国拥有13,000多名员工和14个基地。
  • alstom.com - 阿尔斯通2025/26财年管理报告显示，截至2026年3月31日，集团获得订单276.28亿欧元，销售额191.71亿欧元，积压订单1044.12亿欧元。
  • ipinfo.io - IPinfo将AS397025列为法国阿尔斯通运输股份公司，注册机构为RIPE，拥有两个IPv4地址范围共512个IPv4地址，无IPv6地址，并显示可见的上游和对等数据。
  • radar.cloudflare.com - Cloudflare Radar将AS397025列为法国阿尔斯通，并提供该ASN的BGP宣告、已宣告地址空间、前缀和连接性的公开视图。
  • alstom.com - 阿尔斯通将铁路网络安全描述为涉及车载、轨旁、通信和乘客系统的铁路特有控制问题，并称铁路被视为关键基础设施。
  • alstom.com - 阿尔斯通巴黎地铁8号线新闻稿将I-CBTC描述为基于通信的列车控制，利用列车与控制中心之间的持续通信，并满足安全、网络安全和可靠性要求。

Domain of operation

Alstom Transport SA is a French rail-engineering subsidiary of Alstom SA, with over €4.4 billion in net revenue and more than 10,000 employees. It designs and services rolling stock and signalling systems for urban and mainline rail, and holds AS397025, offering a limited but observable internet routing presence that can signal organizational change.

  • Registry RDAP / WHOIS record: public-source identity and registry context for Alstom Transport SA. Evidence basis: source-36e5443b5d87

Timeline

  1. Alstom Transport SA public evidence observed

    The company's scale and centrality to European rail operations make its production continuity and cybersecurity posture material to transport resilience. Its public ASN and IP prefixes offer an independent, passive signal of organizational or network shifts. Regulatory focus on rail cybersecurity amplifies the consequences of any digital disruption that could affect service reliability.

At A Glance

  • Name: Alstom Transport SA
  • Type: Digital infrastructure institution
  • Base: France
  • Profile focus: Institution

What It Does

  • public operating records
  • official service pages
  • documented relationships updates

Why It Matters

  • Disruptions to Alstom Transport SA's manufacturing or digital systems could cascade into rail network capacity shortfalls. Changes in its internet routing footprint, though limited, might prefigure broader IT or operational shifts that affect service reliability. Rail is designated critical infrastructure, and the company's own systems integrate digital control with physical safety.
  • Operational criticality: Medium
  • Time horizon: Next quarter

What To Watch

  • official company sources
  • public registries
  • operator-published records
NowMedium priority

Track verified source updates, role changes, and current public evidence.

QuarterMedium policy sensitivity

Disruptions to Alstom Transport SA's manufacturing or digital systems could cascade into rail network capacity shortfalls. Changes in its internet routing footprint, though limited, might prefigure broader IT or operational shifts that affect service reliability. Rail is designated critical infrastructure, and the company's own systems integrate digital control with physical safety.

YearNext quarter outlook

Longer-term relevance depends on verified operating, policy, and relationship changes.

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Public View

Disruptions to Alstom Transport SA's manufacturing or digital systems could cascade into rail network capacity shortfalls. Changes in its internet routing footprint, though limited, might prefigure broader IT or operational shifts that affect service reliability. Rail is designated critical infrastructure, and the company's own systems integrate digital control with physical safety.

Watchpoints

  • Alstom Transport SA is a structurally important rail-industry player whose operational health and cybersecurity posture are under-monitored in public internet discourse.
  • Its limited ASN footprint provides a rare passive signal that, while not conclusive, can be combined with financial and regulatory data to anticipate changes in transport resilience.
  • The tax integration with Alstom SA ties its fortunes to the broader group's backlog and project execution risk.

Caveats

  • Public evidence is used only for source-backed claims.
  • Private control or contract claims require separate public support.

FAQ

Why does BTW track Alstom Transport SA?

The company's scale and centrality to European rail operations make its production continuity and cybersecurity posture material to transport resilience. Its public ASN and IP prefixes offer an independent, passive signal of organizational or network shifts. Regulatory focus on rail cybersecurity amplifies the consequences of any digital disruption that could affect service reliability.

What evidence supports the profile?

public-source identity and registry context for Alstom Transport SA.

What should readers watch next?

Alstom Transport SA is a structurally important rail-industry player whose operational health and cybersecurity posture are under-monitored in public internet discourse.

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