---
title: "Download list of all AppNexus sites"
description: "Every website running AppNexus, with domain, DNS, WHOIS, IP address, hosting country and global rank on each row. One file, rebuilt daily."
url: https://webatla.com/technology/appnexus
---

[Home](https://webatla.com/)
›
[Technologies](https://webatla.com/technology)

›
[Advertising](https://webatla.com/technology?category=Advertising)

›
AppNexus

![AppNexus logo](https://webatla.com/assets/tech-logos/appnexus.png)

# Download websites that use AppNexus

17,864 live sites using AppNexus right now

Advertising · by Microsoft · since 2007 · Proprietary

18K sites, Dataset updated · 2026-10-27

Categories

[Advertising](https://webatla.com/technology?category=Advertising)

[🔒 Get the list](https://webatla.com/technology/appnexus#preview)
Requires a dataset purchase

[About AppNexus](https://webatla.com/technology/appnexus#overview)
[Database preview](https://webatla.com/technology/appnexus#preview)
[Download](https://webatla.com/technology/appnexus#download)

All figures as of Oct 27, 2026

All figures here come from one snapshot of the webatla database, taken on this date (UTC). We usually refresh it every day.

17,864, Sites detected

0.0%, Of all websites

## Preview AppNexus site datasets

AppNexus detection is a value inside the **Technologies** column. Two datasets carry it.

**Technologies · €159 / month · 17,864 rows · 14 columns · webatla-technologies-appnexus-2026-10-27.jsonl.zst**

| Domain | TLD suffix | TLD | Domain type | HTTP status | IP address | Country by IP | Social networks | Technologies last data checked | Technologies | PR value | Harmonic value | Domain creation date | Domain expiration date |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| cnn.com | [com](https://webatla.com/tld/com) | [com](https://webatla.com/tld/com) | ICANN | HTTP 200 | 151.101.131.5 | [US](https://webatla.com/country/us) | {"facebook":["https://facebook.com/CNN"]} | 2026-10-11 | Google Analytics G-74D8MLQBE4 , Miro, Canva, HTTP/3, Stripe, Favicon, Varnish, Zendesk, AppNexus, Outbrain | 0.0000741297 | 20,314,722 | 1993-09-22 | 2027-09-21 |
| cbsnews.com | [com](https://webatla.com/tld/com) | [com](https://webatla.com/tld/com) | ICANN | HTTP 200 | 151.101.1.188 | [US](https://webatla.com/country/us) | {…} | 2026-09-30 | PWA, RSS, Figma, OpenX, HTTP/2, OpenAI, Favicon, Sectigo, Varnish, AppNexus | 0.000040984 | 20,140,000 | 1994-10-04 | 2027-10-03 |
| ctvnews.ca | [ca](https://webatla.com/tld/ca) | [ca](https://webatla.com/tld/ca) | ICANN | HTTP 200 | 3.33.200.62 | [US](https://webatla.com/country/us) | {…} | 2026-10-12 | Nginx, Tapad, Akamai, HTTP/2, Favicon, AppNexus, jsDelivr, OpenResty, Permutive, Pinterest | 0.00000736883 | 18,405,018 | 2000-11-09 | 2026-12-01 |
| ncaa.com | [com](https://webatla.com/tld/com) | [com](https://webatla.com/tld/com) | ICANN | HTTP 200 | 184.31.93.251 | [DE](https://webatla.com/country/de) | {…} | 2026-10-09 | PHP, HSTS, Nginx, Akamai, Drupal, HTTP/2, jQuery, Favicon, AppNexus, OpenResty | 0.00000612784 | 19,008,656 | 1997-12-30 | 2026-12-29 |
| vapehuset.se | [se](https://webatla.com/tld/se) | [se](https://webatla.com/tld/se) | ICANN | HTTP 200 | 188.114.96.3 | [US](https://webatla.com/country/us) | {…} | 2026-09-21 | PHP, RSS, MySQL, HTTP/3, jQuery, Favicon, Jetpack, core-js, AppNexus, jsDelivr | 0.00000323969 | 13,033,995 | 2018-03-21 | 2027-03-21 |

**All data · €599 / month · 17,864 rows · 23 columns · webatla-all-data-appnexus-2026-10-27.jsonl.zst**

| Domain | TLD suffix | TLD | Domain type | HTTP status | IP address | Country by IP | Social networks | Technologies last data checked | Technologies | DNS last data checked | DNS Status | DNS records | PR value | Harmonic value | RDAP/WHOIS last data checked | RDAP/WHOIS method | Domain creation date | Domain expiration date | Domain last changed | Registrar | RDAP/WHOIS Record | Response Status RDAP/WHOIS |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| cnn.com | [com](https://webatla.com/tld/com) | [com](https://webatla.com/tld/com) | ICANN | HTTP 200 | 151.101.131.5 | [US](https://webatla.com/country/us) | {"facebook":["https://facebook.com/CNN"]} | 2026-10-11 | Google Analytics G-74D8MLQBE4 , Miro, Canva, HTTP/3, Stripe, Favicon, Varnish, Zendesk, AppNexus, Outbrain | 2026-10-18 | TRUE | {…} | 0.0000741297 | 20,314,722 | 2025-06-27 | RDAP | 1993-09-22 | 2027-09-21 | 2025-06-27 | Nom-iq Ltd. dba COM LAUDE | {…} | Domain is active |
| cbsnews.com | [com](https://webatla.com/tld/com) | [com](https://webatla.com/tld/com) | ICANN | HTTP 200 | 151.101.1.188 | [US](https://webatla.com/country/us) | {…} | 2026-09-30 | PWA, RSS, Figma, OpenX, HTTP/2, OpenAI, Favicon, Sectigo, Varnish, AppNexus | 2026-10-18 | TRUE | {…} | 0.000040984 | 20,140,000 | 2026-10-02 | RDAP | 1994-10-04 | 2027-10-03 | 2026-09-01 | MarkMonitor Inc. | {…} | Domain is active |
| ctvnews.ca | [ca](https://webatla.com/tld/ca) | [ca](https://webatla.com/tld/ca) | ICANN | HTTP 200 | 3.33.200.62 | [US](https://webatla.com/country/us) | {…} | 2026-10-12 | Nginx, Tapad, Akamai, HTTP/2, Favicon, AppNexus, jsDelivr, OpenResty, Permutive, Pinterest | 2026-10-26 | TRUE | {…} | 0.00000736883 | 18,405,018 | 2025-06-21 | RDAP | 2000-11-09 | 2026-12-01 | 2025-06-21 | MarkMonitor International Canada Ltd. | {…} | Domain is active |
| ncaa.com | [com](https://webatla.com/tld/com) | [com](https://webatla.com/tld/com) | ICANN | HTTP 200 | 184.31.93.251 | [DE](https://webatla.com/country/de) | {…} | 2026-10-09 | PHP, HSTS, Nginx, Akamai, Drupal, HTTP/2, jQuery, Favicon, AppNexus, OpenResty | 2026-10-20 | TRUE | {…} | 0.00000612784 | 19,008,656 | 2025-12-06 | RDAP | 1997-12-30 | 2026-12-29 | 2025-12-06 | Network Solutions, LLC | {…} | Domain is active |
| vapehuset.se | [se](https://webatla.com/tld/se) | [se](https://webatla.com/tld/se) | ICANN | HTTP 200 | 188.114.96.3 | [US](https://webatla.com/country/us) | {…} | 2026-09-21 | PHP, RSS, MySQL, HTTP/3, jQuery, Favicon, Jetpack, core-js, AppNexus, jsDelivr | 2026-10-18 | TRUE | {…} | 0.00000323969 | 13,033,995 | 2026-03-11 | WHOIS | 2018-03-21 | 2027-03-21 | 2026-02-04 | Loopia AB | {…} | Domain is active |

[↓ Download preview (20 rows, free)](https://webatla.com/api/v1/sample/technology/appnexus?dataset=technologies)
[Buy Technologies · €159 / month](https://webatla.com/account/checkout?dataset=technologies)

## The AppNexus dataset

Every site we've detected as running AppNexus, with version, hosting, country, TLD and traffic rank.

### AppNexus lives inside 2 datasets

AppNexus detection is part of **Technologies** (€159/mo) and **All data** (€599/mo). Buy either to filter the full 17,864-site list, or grab a free preview first.

[See datasets](https://webatla.com/pricing)
[↓ Download free preview (20 rows)](https://webatla.com/api/v1/sample/technology/appnexus?dataset=technologies)

## About AppNexus

### At a glance

- **Vendor:** Microsoft

- **Website:** appnexus.com ↗

- **License:** Proprietary

- **First release:** 2007-01-01

Advertising infrastructure rarely reflects the taste of whoever built a website. A monetization partner, a media agency or a header bidding wrapper adds another demand source to the auction, and the tag appears in the page without the site owner ever naming the product out loud. AppNexus lives in that layer, so finding it on a domain tells you how that domain pays for itself rather than what its developers preferred.

A site carrying an Advertising platform of this kind has inventory somebody considers worth selling programmatically. Someone decided there was enough traffic to justify a real auction, and someone maintains the plumbing that keeps the auction running through consent changes, browser policy changes and seasonal demand. For a researcher the signal is a qualification filter: publishers with live programmatic demand have ad operations staff, revenue tied directly to pageviews, and a standing interest in anything that moves fill rates or page latency.

The commercial history behind the tag is unusual. AppNexus was built as an independent exchange and now belongs to Microsoft, having passed through more than one parent company on the way. The platform remains Proprietary and cannot be self hosted, so every deployment reaches back to infrastructure the vendor operates rather than a copy sitting on the publisher's own servers. With roots in 2007, the product belongs to an earlier generation of programmatic tooling than most of the wrappers now layered above it, and a domain still carrying the tag usually means either a long standing supply relationship or a template nobody has swept in years.

Detection here is inferential and it undercounts. We identify the platform from what a page actually delivers to a browser, while modern ad stacks load partners lazily, behind consent gates, or through server side integrations that leave no client side fingerprint at all. A publisher that transacts on the exchange through a wrapper may therefore never expose the tag directly. The honest reading is a floor rather than a census, and the sites we do see skew toward those that wire demand partners into the page the older and plainer way.

As of October 2026 we detect AppNexus on 17,864 sites, and having that population in one file answers a question that checking domains one at a time cannot. Anyone can look up a single publisher. Only a full extract lets you ask which media groups still run legacy demand paths, how a portfolio of sites overlaps with a particular consent platform or ad server, or which publishers a competing exchange has quietly taken. Supply path analysis, partner prospecting and technical diligence on a media acquisition all begin from the same requirement, which is the whole set rather than one row pulled out of it.

## Frequently asked questions

How many websites use AppNexus?
webatla detects AppNexus on 18K websites, refreshed daily, each with its domain, DNS, WHOIS, IP, country and ranking.

Can I download the list of websites using AppNexus?
Yes, as structured JSONL. Grab a free sample first.

What's included for each site, and how fresh is it?
Domain, DNS, RDAP/WHOIS, the full technology stack, IP & country, PageRank and Harmonic, re-detected and re-exported daily.

How do I find the websites using AppNexus?
Buy the technology dataset, then download the complete list of domains we detect using AppNexus, re-exported every day.

What else is in the AppNexus technology data?
Each row places AppNexus next to the other technology on the same site, plus DNS, WHOIS, IP, country and ranking.

Can I download just the sites using AppNexus, or the whole database?
Both. Every site running AppNexus comes in the Technologies dataset, one downloadable file. Or buy All data for the entire database: technologies plus identity, ranking, DNS and RDAP/WHOIS for every domain, combined in one file. Daily fresh export.

How do I download the list of websites using AppNexus?
Three steps: (1) grab the free 10,000-row sample to inspect the schema, (2) buy the Technologies dataset, (3) download the full list of every domain we detect running AppNexus as a JSON Lines file. It is re-exported daily, so you can re-download the freshest list any time inside your access window. Each row carries the domain plus DNS, WHOIS, IP, hosting country and rank.

## Get the full list of websites using AppNexus

Pick the dataset that covers what you need. Each one includes AppNexus and downloads as JSONL, rebuilt daily.

Technologies, 14 columns

Full website tech stack per site: CMS, payments, analytics, frameworks.

€159 / mo

[Buy and download](https://webatla.com/account/checkout?dataset=technologies)
[Download preview dataset](https://webatla.com/api/v1/preview?dataset=technologies)

All data, 23 columns

Everything we have, in a single package. The full webatla universe.

€599 / mo

[Buy and download](https://webatla.com/account/checkout?dataset=all-data)
[Download preview dataset](https://webatla.com/api/v1/preview?dataset=all-data)

Want to compare every dataset side by side? [Visit the pricing page](https://webatla.com/pricing)

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[![Twitter Ads logo](https://webatla.com/assets/tech-logos/twitter-ads.png) Twitter Ads Advertising · 269K sites](https://webatla.com/technology/twitter-ads)
