r2b2.io (r2b2.io) — ad network

Website: r2b2.io

r2b2.io is an advertising system that app publishers list in their app-ads.txt as “r2b2.io”. 6 checked publishers list it (6 with a DIRECT account, 0 through resellers). Its sellers.json lists 540 sellers: 534 publishers, 1 intermediaries, 5 both.

sellers.json

Read 21 Oct 2026 from https://r2b2.io/sellers.json. Its sellers.json lists 540 sellers: 534 publishers, 1 intermediaries, 5 both. We read it weekly to verify the seller accounts in publishers’ app-ads.txt files.

Of the 5 r2b2.io seller IDs we have seen in checked app-ads.txt files, 5 are in this sellers.json.

Publishers that list r2b2.io

• quoka.de app-ads.txt
• m.ucweb.com app-ads.txt
• abplive.com app-ads.txt
• ucweb.com app-ads.txt
• globo.com app-ads.txt
• snowflakeapps1.github.io app-ads.txt

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