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Privacy Policy

Last updated: February 28, 2026

This Privacy Policy describes how IPv4Center.com ("Platform"), operated by Centerium LLC ("Company", "we", "us"), collects, uses, and protects your personal information. We are committed to safeguarding your privacy and ensuring transparent data practices.

1. Information We Collect

1.1 Account Information

When you create an account, we collect:

  • Full name, email address, phone number
  • Company/organization name and registration details
  • Tax ID and tax authority information
  • Physical address (billing and office locations)
  • RIR membership details (Org ID, Reg ID, registration number)
  • Authorized representative name and position

1.2 Transaction Information

  • IPv4 address blocks listed, purchased, or leased
  • Payment details and bank account information (for seller payouts)
  • Transaction history, invoices, and contract documents
  • Communication records related to transactions

1.3 KYC Documents

  • Company registration certificates
  • Articles of incorporation or equivalent documents
  • Signature circulars and authorization documents
  • Signed contracts and agreements (with company stamps)

1.4 Technical Information

  • IP address, browser type, operating system
  • Pages visited, time spent, and navigation patterns
  • Device identifiers and cookies

2. How We Use Your Information

We use the collected information for the following purposes:

  • Account management: Creating and maintaining your account, verifying your identity.
  • Transaction facilitation: Processing IPv4 purchases, sales, and leases; generating contracts and invoices.
  • KYC compliance: Verifying organization legitimacy and preventing fraud.
  • Communication: Sending transaction updates, contract documents, payment confirmations, and price alerts.
  • Platform improvement: Analyzing usage patterns to improve our services and user experience.
  • Legal compliance: Meeting regulatory and legal obligations, responding to legal requests.
  • Security: Detecting and preventing fraudulent or unauthorized activities.

3. Information Sharing

We do not sell your personal information. We may share your information in the following limited circumstances:

  • Transaction counterparties: Buyer and seller information is shared as necessary to complete IPv4 transfers, including organization details required by RIRs for transfer agreements.
  • Regional Internet Registries: Organization and contact details are shared with RIPE NCC, ARIN, APNIC, LACNIC, or AFRINIC as required for transfer processing.
  • Payment processors: Payment details are shared with Stripe, banking institutions, Wise.com, or Escrow.com as needed to process transactions.
  • Legal requirements: We may disclose information when required by law, court order, or governmental regulation.
  • Service providers: We engage trusted third-party service providers (e.g., email delivery, hosting) who process data on our behalf under strict confidentiality agreements.

4. Data Security

We implement industry-standard security measures to protect your information, including encrypted data transmission (TLS/SSL), secure server infrastructure, access controls, and regular security audits. Sensitive documents (contracts, KYC files) are stored with encryption at rest. However, no method of transmission over the Internet is 100% secure, and we cannot guarantee absolute security.

5. Data Retention

We retain your personal information for as long as your account is active or as needed to provide our services. Transaction records, contracts, and financial documents are retained for a minimum of 7 years to comply with tax and legal requirements. You may request deletion of your account and non-essential data at any time, subject to our legal retention obligations.

6. Cookies & Tracking

We use the following types of cookies:

  • Essential cookies: Required for authentication, session management, and security. Cannot be disabled.
  • Functional cookies: Remember your preferences (e.g., marketplace filters, display settings, currency).
  • Analytics cookies: Help us understand how visitors interact with our Platform to improve our services.

You can manage cookie preferences through your browser settings. Disabling essential cookies may prevent you from using certain Platform features.

7. Your Rights

Depending on your jurisdiction, you may have the following rights regarding your personal data:

  • Access: Request a copy of the personal data we hold about you.
  • Correction: Request correction of inaccurate or incomplete data.
  • Deletion: Request deletion of your personal data (subject to legal retention requirements).
  • Portability: Request your data in a machine-readable format.
  • Objection: Object to certain processing of your data.
  • Withdrawal of consent: Withdraw consent where processing is based on consent.

To exercise any of these rights, contact us at info@ipv4center.com. We will respond within 30 days.

8. International Data Transfers

As a global marketplace, your information may be transferred to and processed in countries other than your country of residence, including the United States. We ensure appropriate safeguards are in place for such transfers, including standard contractual clauses where applicable. By using our Platform, you consent to the transfer of your information as described in this policy.

9. Children's Privacy

Our Platform is not directed at individuals under the age of 18. We do not knowingly collect personal information from children. If we become aware that we have collected data from a child, we will take steps to delete it promptly.

10. Changes to This Policy

We may update this Privacy Policy from time to time. Material changes will be communicated via email or Platform notification at least 14 days before taking effect. The "Last updated" date at the top of this page indicates when the policy was most recently revised.

11. Contact Us

If you have any questions about this Privacy Policy or our data practices, please contact us:

  • Email: info@ipv4center.com
  • Company: Centerium LLC
  • Address: 109 Fowler Ct, New Castle, Delaware 19720-5409, United States