TEFEXIA Co., Ltd. is a South Korean internet infrastructure provider operating AS216425, selling cloud compute, IP transit, colocation, and DDoS mitigation from its tefexia.net website. Its operational control surface is defined by self-published terms that allow hourly billing, AUP enforcement, and a 99.0% availability target. The company relies on a single upstream, AS53388 Tefexia LC, creating a systemic chokepoint. Key unknowns include the corporate link to Tefexia LC, independent performance verification, and commercial depth. Watch for registry changes, prefix activity, upstream shifts, and service term modifications.

TEFEXIA Co., Ltd.

TEFEXIA Co., Ltd. is a South Korean internet infrastructure provider operating AS216425. It sells cloud compute, IP transit, colocation, and DDoS mitigation through tefexia.net, with all connectivity relying on a single upstream, Tefexia LC. Self-published terms set a 99.0% availability target and grant broad enforcement powers, but independent performance verification and commercial depth are absent from public sources.

Why It Matters

Customers using TEFEXIA’s compute, reserved IPs, BGP, transit, colocation, or DDoS mitigation can experience service interruption if the company changes routes, loses its single upstream, or adjusts filters. Self-reported performance and the absence of third-party audits mean that actual uptime and attack absorption cannot be externally confirmed, elevating the risk for mission-critical deployments.

What Sources Show

TEFEXIA Co., Ltd., operating as 주식회사 테페시아, is a South Korean internet infrastructure provider whose entire connectivity depends on a single upstream, Tefexia LC (AS53388). That reliance creates a concentrated risk for any organization that entrusts compute, transit, or DDoS mitigation to the company.

The provider’s self-published terms promise a 99.0% monthly availability target, but independent verification of uptime, scrubbing capacity, and commercial depth does not exist in the public record.

The company advertises AS216425 and sells cloud servers, bare metal, colocation, IP transit, BGP, and DDoS protection under hourly billing through its website tefexia.net. Its terms of service, last updated in May 2026, give TEFEXIA broad authority to block customer instances without prior notice for severe acceptable-use violations.

The privacy policy authorizes collection of instance metrics, access logs, and physical data-center entry records, creating a layered operational surface that touches service delivery, security enforcement, and legal compliance.

Public routing observatories show that AS216425 originates only IPv4 prefixes, carries no IPv6 traffic, and peers exclusively with AS53388. No downstream autonomous systems or alternative transit paths appear in current BGP data. According to IPinfo, the network holds approximately 6,400 IPv4 addresses and hosts 285 domains.

Cloudflare Radar retains “Hanarin LTD” as an alternative name for the ASN, a residue of earlier registry history that has not been fully explained through public filings.

Customers face a direct operational consequence: if TEFEXIA loses its upstream connection or changes routing policies, reachability of hosted services can break without redundancy. A self-published case study describes Project ELIV using TEFEXIA IP transit and always-on inline DDoS mitigation for DNS/CDN workloads, but no independent telemetry or customer references corroborate the claimed attack absorption.

The absence of a public status page or third-party uptime monitor leaves external assurance at the level of the company’s contractual promises.

What sources show is a legitimate Korean corporation established on August 21, 2025, under the wired-telecommunications classification, with a live ASN registered in the RIPE database under ORG-TCL97-RIPE. The company self-reports an infrastructure-layer availability commitment and operates a public Linux distribution mirror at mirror.tefexia.net, which adds a tangible but narrow public-telemetry signal. All other performance claims remain self-reported and unverified.

Watchpoints turn on any alteration of the single-upstream relationship with Tefexia LC. The emergence of a second transit provider, the announcement of IPv6 prefixes, or a change in the RIPE organization record would materially shift the risk profile. Third-party performance audits or an independent real-time monitoring feed would close the largest evidence gap.

Until such evidence appears, the assessment is bounded by self-published service terms and a routing footprint that reveals no fallback connectivity.

Operating Surface

TEFEXIA Co., Ltd. (주식회사 테페시아) operates as a digital infrastructure provider. Its public surface includes routing policy for AS216425, delivery of cloud compute, BGP transit, and DDoS defense, and enforcement of acceptable-use and data-collection rules described in its official terms. The company’s operational authority over customer workloads is exercised through hourly-billed services and the ability to block instances without prior notice for AUP violations.

TEFEXIA is tracked because its single-upstream architecture and self-reported service commitments create a concentrated dependency for any organization that places workloads on its infrastructure. Any change in routing, peering, or abuse policy can interrupt reachability, while the lack of independent monitoring leaves external assurance ungrounded.

The company’s opaque corporate link to Tefexia LC and the incomplete registry timeline add further watchpoints for operators who rely on its transit or DDoS mitigation.

Watchpoints

TEFEXIA Co., Ltd. represents a concentrated dependency for any organization using its services. The single-upstream architecture means that routing changes or a commercial dispute with Tefexia LC could immediately sever connectivity for all hosted workloads. The absence of independent monitoring makes it impossible to externally assess whether the 99.0% availability target and DDoS mitigation claims are met.

From a network strategy perspective, customers must treat their exposure as tied to an unverified single path.

The most consequential watchpoints are: (1) any change in the upstream provider for AS216425, such as the appearance of a new BGP peer; (2) the announcement of IPv6 prefixes, which would indicate service evolution; (3) modifications to the RIPE organization record or ASN description; (4) the release of independent third-party performance data or real-time monitoring feeds.

Each of these would alter the risk assessment and may either validate or disprove self-reported claims.

The primary data gap is the absence of independent verification for service performance, including actual monthly uptime, DDoS mitigation effectiveness, and scrubbing capacity. Further, public sources do not disclose the legal or ownership relationship between TEFEXIA Co., Ltd. and Tefexia LC, leaving the commercial foundation of the upstream arrangement unknown. Financial data, customer references, and detailed network architecture are also missing, limiting any due diligence.

Sources

• Registry RDAP / WHOIS record - public-source identity and registry context for TEFEXIA Co., Ltd.
• bgp.tools - Shows TEFEXIA Co., Ltd. as AS216425, website tefexia.net, registered to ORG-TCL97-RIPE under RIPE, active/allocated, with AS53388 Tefexia LC as upstream or peer routing context and current RIPE-derived WHOIS details.
• ipinfo.io - Identifies AS216425 as TEFEXIA Co., Ltd. in South Korea, website tefexia.net, ASN type Hosting, registry ripe, 6,400 IPv4 addresses, 0 IPv6 addresses, 285 hosted domains, one peer/upstream AS53388, and no downstreams in its current view.
• radar.cloudflare.com - Identifies AS216425 as TEFEXIA-AS in South Korea with website https://tefexia.net while retaining Hanarin LTD as an AKA label, supporting both the current routing identity and the registry-history watchpoint.
• tefexia.net - Official homepage describes enterprise network infrastructure services including IP Transit, DDoS Protection, Bare Metal, Cloud, Colocation, and Embedded Solutions.
• tefexia.net - Official terms state that 주식회사 테페시아 operates cloud infrastructure services and list compute, colocation, reserved IPs, firewall groups, IP Transit, BGP, DDoS defense, domains, volumes, snapshots, backups, hourly billing, AUP enforcement, and a 99.0% monthly availability target.
• tefexia.net - Official privacy policy describes use of customer data, instance metrics, access logs, IP addresses, service telemetry, abuse-response data, and physical IDC access controls, supporting the operational and compliance control surface.
• tefexia.net - Official case study says Project ELIV used TEFEXIA IP Transit, always-on inline DDoS mitigation, and colocation for DNS/CDN workloads, supporting TEFEXIA's stated traffic-control mechanism.
• mirror.tefexia.net - Public mirror index on a TEFEXIA subdomain exposes open-source distribution mirror directories, including AlmaLinux, Arch Linux, Debian, Fedora, Kali, Proxmox, Rocky, and Ubuntu.
• m.nicebizinfo.com - Commercial business registry page lists 주식회사 테페시아 as a Korean small company in wired telecommunications with establishment date August 21, 2025, supporting the Korean corporate-identity context.
• pch.net - Search result for NL-ix/PCH lists AS216425 TEFEXIA CO., LTD on NL-ix, supporting a public internet-exchange presence watchpoint alongside BGP.tools' IX section.