SURBL Application

Application Information

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

Description

SURBL - Logo

SURBLs are lists of web sites that have appeared in spam messages. Unlike most lists, SURBLs are not lists of message senders.

Category Cybersecurity
Web Link SURBL - 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

Core Networks

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

Network PoP Category Location IP Shared
Logo Cisco Secure Email Core Network Mail United States 184.94.240.109

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 SURBL IP addresses on this type of network.

ASN Description ASN Route Location IP Shared
CDW Technologies AS3599 64.73.128.0/19 United States 64.73.128.55
Strato AS6724 81.169.144.0/22 Germany 81.169.144.140
NForce Entertainment AS43350 85.159.232.0/23 Netherlands 85.159.233.158
Georgia Institute of Techno... AS2637 143.215.128.0/17 United States 143.215.143.7
SURF AS1103 145.100.128.0/17 Netherlands 145.100.188.22
and 13 more

Hosting

Cloud hosting vendors like AWS and Microsoft Azure provide cloud-based computing and network resources to deliver applications. The hosting platforms used by SURBL are summarized below by geographical points-of-presence (PoP). Each PoP can host many IPs to deliver an application. A sample IP is provided.

Cloud Hosts # of IPs
Logo Hetzner 9
Logo Cogent 1
Logo OVHcloud 1
Host PoP Location Sample IP IPs
- Logo Cogent Core United States 38.124.232.194 1 IP
- Logo OVHcloud Core France 217.182.183.225 1 IP
- Logo Hetzner Core Germany 78.47.239.92 4 IPs
- Logo Hetzner Core United States 5.161.198.80 4 IPs
- Logo Hetzner Core Finland 65.108.65.98 1 IP

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