PSBL Application

Application Information

The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by PSBL.

Description

Passive Spam Block List (PSBL) is an easy-on, easy-off blacklist that does not rely on testing and should reduce false positives because any user can remove their ISP's mail server from the list.

Full Name	Passive Spam Block List
Category	Cybersecurity
Web Link	PSBL - Home Page

Network Intelligence

The network data shown here is also available via the Netify Data Feed API. We provide network intelligence to help deliver better digital experiences to end users and businesses.

Netify Data Feeds

Domains

Primary Domains

Network Ranges

PSBL does not have any defined network blocks. The application is distributed across the individial IP addresses summarized below.

Network Ranges
Some applications are deployed across network blocks. Only networks that are dedicated to an application or platform are provided.

Core Networks

Applications are sometimes deployed on partner networks, parent company networks, or regional hosting providers. The following is a sample of PSBL IP addresses deployed on this type of network.

Network	PoP	Category	Location	IP
Xfinity	Core Network	ISP/Telco	United States	2601:18c:9101:a8b6:222:4dff:feaf:4cba
Xfinity	Core Network	ISP/Telco	United States	74.92.59.65
Xfinity	Core Network	ISP/Telco	United States	96.67.55.145

Other Networks

There are tens of thousands of Internet network providers and we make an effort to track as many as we can, but we have less coverage for niche and local providers. The following is a sample of PSBL IP addresses on this type of network.

ASN Description	ASN	Route	Location	IP	Shared
Ionos	AS8560	2607:f1c0:1800::/48	United States	2607:f1c0:1800:811d::1
Ionos	AS8560	74.208.0.0/19	United States	74.208.18.56

Application Stack

Edge Networks

Intelligence

Protocols

Integration and Custom Solutions

Do you have any questions about integration, APIs or custom development?