Browse Authorize Ad Exchanges

Currently tracking 1,772 authorized ad exchanges

We index and track 1,772 unique ad networks authorized by publishers across the web. Publishers authorize these ad networks by listing the ad domain in the publisher's ads.txt file. What is ads.txt?

Domains listed below are the canonical domain name of the SSP, exchange, header wrapper, or other advertising system that bidders connect to in a real-time bidding system.

You can browse the list of ad exchanges below or download the complete ads.txt aggregate file and analyze the data yourself.

Authorized Ad Exchanges Results 1 to 50 of 1,772
# Ad Exchange Unique Publishers Market Coverage
1 google.com 511,148 97.23%
2 appnexus.com 306,615 58.32%
3 rubiconproject.com 299,579 56.98%
4 pubmatic.com 295,140 56.14%
5 openx.com 290,001 55.16%
6 indexexchange.com 285,167 54.24%
7 contextweb.com 279,139 53.1%
8 advertising.com 271,650 51.67%
9 adtech.com 263,429 50.11%
10 freewheel.tv 261,753 49.79%
11 districtm.io 253,269 48.18%
12 lkqd.net 251,229 47.79%
13 gumgum.com 244,580 46.52%
14 rhythmone.com 243,925 46.4%
15 aolcloud.net 240,753 45.8%
16 emxdgt.com 240,267 45.7%
17 coxmt.com 229,520 43.66%
18 teads.tv 227,672 43.31%
19 aps.amazon.com 217,261 41.33%
20 sonobi.com 214,948 40.89%
21 33across.com 211,664 40.26%
22 aol.com 208,737 39.71%
23 criteo.com 208,722 39.7%
24 media.net 204,155 38.83%
25 adyoulike.com 187,213 35.61%
26 yldbt.com 183,844 34.97%
27 admixer.net 171,288 32.58%
28 yahoo.com 167,695 31.9%
29 getpolymorph.com 160,728 30.57%
30 adsnative.com 160,719 30.57%
31 pubmine.com 159,673 30.37%
32 spotxchange.com 118,219 22.49%
33 spotx.tv 117,080 22.27%
34 sovrn.com 105,321 20.03%
35 lijit.com 89,635 17.05%
36 smartadserver.com 89,581 17.04%
37 tremorhub.com 88,842 16.9%
38 lkqd.com 74,755 14.22%
39 improvedigital.com 72,276 13.75%
40 fyber.com 68,834 13.09%
41 adform.com 66,724 12.69%
42 beachfront.com 63,968 12.17%
43 conversantmedia.com 47,988 9.13%
44 springserve.com 47,794 9.09%
45 taboola.com 43,031 8.19%
46 outbrain.com 38,065 7.24%
47 smaato.com 34,021 6.47%
48 smartclip.net 34,017 6.47%
49 aralego.com 32,497 6.18%
50 video.unrulymedia.com 31,419 5.98%