# IPQS IP Address Block List vs SSLBL - SSL Blacklist: side-by-side comparison (2026)

[IPQS IP Address Block List](https://cybersectools.com/tools/ipqs-ip-address-block-list) is a commercial [threat intel feeds](https://cybersectools.com/categories/threat-intel-feeds) solution by [IPQualityScore](https://cybersectools.com/companies/ipqualityscore). [SSLBL - SSL Blacklist](https://cybersectools.com/tools/sslbl-ssl-blacklist) is a free [threat intel feeds](https://cybersectools.com/categories/threat-intel-feeds) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | IPQS IP Address Block List | SSLBL - SSL Blacklist |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Threat Intel Feeds | Threat Intel Feeds |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | IPQualityScore | – |
| Headquarters | – | – |

### Use cases and capabilities

| | IPQS IP Address Block List | SSLBL - SSL Blacklist |
|---|---|---|
| IP Address | Yes | – |
| Fraud Detection | Yes | – |
| Bot Protection | Yes | – |
| Proxy | Yes | – |
| Botnet | Yes | Yes |
| IP Lookup | Yes | – |
| Cyber Threat Intelligence | Yes | – |
| C2 | – | Yes |
| SSL | – | Yes |

### Core features

**IPQS IP Address Block List**

10 features listed. Sign in on the page to see them.

**SSLBL - SSL Blacklist**

No features listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [SSLBL - SSL Blacklist](https://cybersectools.com/tools/sslbl-ssl-blacklist) fits if you need a free product.

## IPQS IP Address Block List vs SSLBL - SSL Blacklist FAQ

Common questions when comparing IPQS IP Address Block List vs SSLBL - SSL Blacklist for threat intel feeds.

### What is the difference between IPQS IP Address Block List and SSLBL - SSL Blacklist?

**IPQS IP Address Block List**: IP address blocklist service for identifying and blocking fraudulent IPs, built by IPQualityScore.

**SSLBL - SSL Blacklist**: A project that detects malicious SSL connections by identifying and blacklisting SSL certificates used by botnet C&C servers and identifying JA3 fingerprints to detect and block malware botnet C&C communication.

The table above shows where their features, integrations, deployment and company size fit differ.

### Is IPQS IP Address Block List a good alternative to SSLBL - SSL Blacklist?

Often, yes. IPQS IP Address Block List and SSLBL - SSL Blacklist are both Threat Intel Feeds products, and both cover Botnet. Key differences: IPQS IP Address Block List is Commercial while SSLBL - SSL Blacklist is Free. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [IPQS IP Address Block List vs IPQS IP Address Abuse Feed](https://cybersectools.com/compare/ipqs-ip-address-abuse-feed-vs-ipqs-ip-address-block-list)
- [IPQS IP Address Block List vs MaxMind GeoIP Insights](https://cybersectools.com/compare/ipqs-ip-address-block-list-vs-maxmind-geoip-insights)
- [IPQS IP Address Block List vs IP2Location IP2Proxy Proxy Detection Database](https://cybersectools.com/compare/ip2location-ip2proxy-proxy-detection-database-vs-ipqs-ip-address-block-list)
- [SSLBL - SSL Blacklist vs IPQS IP Address Abuse Feed](https://cybersectools.com/compare/ipqs-ip-address-abuse-feed-vs-sslbl-ssl-blacklist)
- [SSLBL - SSL Blacklist vs MaxMind GeoIP Insights](https://cybersectools.com/compare/maxmind-geoip-insights-vs-sslbl-ssl-blacklist)
- [SSLBL - SSL Blacklist vs IP2Location IP2Proxy Proxy Detection Database](https://cybersectools.com/compare/ip2location-ip2proxy-proxy-detection-database-vs-sslbl-ssl-blacklist)

## Alternatives to each

- [See all IPQS IP Address Block List alternatives](https://cybersectools.com/alternatives/ipqs-ip-address-block-list)
- [See all SSLBL - SSL Blacklist alternatives](https://cybersectools.com/alternatives/sslbl-ssl-blacklist)

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Source: https://cybersectools.com/compare/ipqs-ip-address-block-list-vs-sslbl-ssl-blacklist

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More on IPQS IP Address Block List and SSLBL - SSL Blacklist: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md