IANA Blackhole Application

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

Description

IANA Blackhole - Logo

Blackhole servers to detect private addresses on the public Internet. Certain addresses (e.g. 192.168.x.x) should never appear on the public internet. If you see this traffic, please investigate DNS on your network. It's always DNS.

Category Technology
Web Link IANA Blackhole - Home Page

Application Domains

The application domains data shown here is available in our Netify Data Feeds solution. The data is accessible via our IP API as well as downloadable datasets.

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Domains

Primary Domains are owned and managed by the application vendor.

Platform Domains are often provided by hosting providers, content delivery networks, SaaS platforms and other third parties. It is important to identify these domains for DNS filters and hostname blocklists.

Primary Hostnames

IP Hostname Network PoP Location
192.175.48.1 prisoner.iana.org Luxembourg
192.175.48.6 blackhole-1.iana.org Luxembourg
192.175.48.42 blackhole-2.iana.org Luxembourg
2620:4f:8000::1 prisoner.iana.org Denmark
2620:4f:8000::6 blackhole-1.iana.org Denmark
2620:4f:8000::42 blackhole-2.iana.org Denmark

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