Technical Context
The problem is not a "Cloudflare outage" nor a classic DDoS attack. We are talking about legally sanctioned dynamic IP address blocking by Spanish ISPs at the request of La Liga to combat pirate broadcasts. Since Cloudflare massively uses shared IPs (hosting many domains on a single address), blocking a "bad" site by IP inevitably affects "good" ones.
Key timeline facts:
- December 18, 2024: Commercial Court No. 6 of Barcelona authorizes the blocking mechanism based on La Liga's requests.
- February 9, 2025: The first waves of Cloudflare IP blocks are recorded at Spanish ISPs during matches.
- March 26, 2025: Appeals (including those from Cloudflare and RootedCON) are rejected; the practice is confirmed by the court.
How it looks technically for a user in Spain: at certain providers (Movistar, Vodafone, Orange, and Digi are most frequently mentioned in public discussions), routes to specific IP ranges are cut during La Liga matches. This is not domain filtering or "URL blocking," so your domains may be completely correct, SSL valid, and DNS responsive — but the TCP/QUIC connection to the Cloudflare edge node fails to establish.
Details affecting architecture:
- Blocks are temporary and repeatable: usually for the duration of the match, but windows can expand depending on the "verification" procedure of stream sources.
- Trigger — the presence of an illegal stream on an IP/subnet that also serves third-party projects.
- By default, most Cloudflare clients do not have a "simple switch" to an isolated IP: dedicated IPs/custom schemes are possible but not available everywhere, not always economically justified, and do not guarantee immunity against aggressive overblocking.
- Providers like Vercel publicly reported that they initially took hits as well but later established a communication channel with La Liga to avoid mass blocks via more targeted reactions.
Important: this is not strictly "Spanish exoticism." It is a precedent for a regulatory model where a rights holder achieves mass technical measures at the ISP level. If your business depends on a single CDN/edge platform, a country can "drop off" without a single alert from your cloud provider.
Business & Automation Impact
The most unpleasant effect is that you might be spending budget on ads, lead generation, and SEO, while during peak hours (which coincide with matches and weekends) part of the audience physically cannot see the site. And this won't look like a standard incident: monitoring metrics from other countries are green, the provider's status page is green, but in Spain — “ERR_CONNECTION_TIMED_OUT”.
Who wins and who loses:
- Losers: Companies with a monolithic edge architecture: one CDN, one set of IPs, one delivery contour for statics/SSR/API.
- Losers: Products where "match windows" coincide with money: e-commerce on weekends, delivery services, booking platforms, B2C subscriptions, support portals.
- Winners: Teams that have pre-planned geo-resilience: alternative delivery paths, provider switching, different IP pools, multi-level DNS/traffic steering.
Practical conclusion for architecture: The CDN ceases to be a "transparent layer." It becomes a regulatory and operational risk. Therefore, in modern projects, I account not only for SLA and latency but also for policy-driven outage scenarios — when a disconnection is caused not by tech, but by politics/courts/enforcement.
What businesses should do right now (briefly, no magic):
- Measure availability from Spain with separate synthetic checks from multiple ISPs/ASNs and keep history. This is needed not "for show," but to distinguish blocking from degradation.
- Plan B at the edge level: A second CDN/provider for critical routes (landing, checkout, auth, webhooks) or at least for statics. You don't always need to "duplicate everything," but the critical path must survive.
- Separate surfaces: API, admin panel, public site, assets, storage (e.g., object storage) — so that blocking one point doesn't take down the entire product.
- Communication protocol: Who in the company decides to switch, how fast, which metrics are the trigger, and how marketing and support are notified.
A separate topic is AI automation of response processes. When geo-unavailability happens in bursts and "according to the match schedule," manual triage quickly turns into chaos. In production-level projects, we automate: signal collection (RUM + synthetic), correlation by regions/ASN, executing runbooks, creating incidents, and sometimes automatic routing switching. This is no longer "observability for the sake of observability," but part of the operational model.
And yes, such changes almost always require an AI architecture at the intersection of infrastructure and processes: otherwise, you get a "zoo of alerts" instead of a managed decision-making system.
Expert Opinion Vadym Nahornyi
Unpopular thought: the main risk here is not even Cloudflare blocks, but the business habit of considering the internet a neutral environment. As soon as blocking becomes a legal tool of competitive/legal struggle, "just choosing a top provider" ceases to be a strategy.
At Nahornyi AI Lab, I regularly see the same mistake: companies invest in implementing artificial intelligence (scoring, personalization, sales assistants), but leave product delivery to the user on a "single CDN button." As a result, AI improves conversion by 3–7%, while an infrastructure risk can zero out revenue for a country for hours — exactly at moments when marketing is driving traffic.
Speaking of practice, the most working pattern is not to "urgently move to Vercel/anywhere else," but to design edge portability:
- configuration as code (CDN/WAF rules in the repository),
- separation of domains by criticality,
- ready-made switching mechanism (DNS steering/Anycast/provider features),
- telemetry that understands "country/ASN/provider",
- and automation using AI for triage and triggering correct actions, not just generating reports.
Forecast for 6–18 months: such cases will increase, and they will be broader than sports. Rights holders and regulators love tools that "work fast," even if they cause collateral damage. This means the winners will be those who build antifragility at the level of architecture and processes, rather than hoping for appeals and public statements from providers.
If you sell to Spain (or are building a product with a European audience) and want to check the resilience of your edge scheme and switching plan, let's discuss this substantively. Write to Nahornyi AI Lab — I, Vadym Nahornyi, will conduct the consultation personally, and we will break down risks by scenarios and cost of remediation.