Klaviyo

Last Edit: 2026-02-23

Hosts lists including Klaviyo, Blueprint, and Napkin Technologies.

Klaviyo are properties of Klaviyo, Inc .

Lists

Will block connections to all listed domains.

RGX Block List:

https://hosts.aao.fyi/marketing/klaviyo-block-rgx.txt

List Mirrors:

Will block connections to all listed domains.

ADB Block List:

https://hosts.aao.fyi/marketing/klaviyo-block-adb.txt

List Mirrors:

Will allow connections to all listed domains.

ADB Allow List:

https://hosts.aao.fyi/marketing/klaviyo-allow-adb.txt

List Mirrors:

Crunchbase. “Blueprint.” 2025. https://crunchbase.com/organization/use-blueprint .
Crunchbase. “Klaviyo.” 2025. https://crunchbase.com/organization/klaviyo .
Crunchbase. “Napkin.” 2025. https://crunchbase.com/organization/napkin .
Klaviyo, Inc. “Blueprint and Klaviyo combine forces to scale SMS in EMEA.” 2022. https://klaviyo.com/newsroom/blueprint-klaviyo .
Klaviyo, Inc. “Klaviyo Acquires Napkin.io.” 2022. https://klaviyo.com/newsroom/klaviyo-acquires-napkin-io .
Klaviyo, Inc. “Klaviyo.” 2025. https://klaviyo.com/ .
PitchBook. “Blueprint.” 2025. https://pitchbook.com/profiles/company/434511-19 .
PitchBook. “Klaviyo.” 2025. https://pitchbook.com/profiles/company/85669-30 .
PitchBook. “Napkin Technologies.” 2025. https://pitchbook.com/profiles/company/512911-54 .
Wikipedia. “Klaviyo.” 2025. https://wikipedia.org/wiki/Klaviyo .