KnownVisitors vs RB2B
Both put a name to your traffic. Only one comes with a phone number.
A LinkedIn URL can't take a call. A phone number can.
Add the pixel
Live the same day.
Reveal visitor identity
Person-level, US traffic.
Get the contacts
Name, email, phone. Webhook or CSV.
Sell to traffic you paid for
Email, call, retarget. By name.
What lands in your hands.
A contact you can call, on any US traffic.
- Full name
- Personal email
- Phone number, DNC-flagged
- Mailing address
- Household and property attributes
- In-market signals, updated daily
- The consumer identity, even on a B2B site
RB2B
A B2B work identity, US traffic.
- Full name
- LinkedIn profile URL
- Validated business email
- Company firmographics
- Slack, CRM & Clay integrations
RB2B deliverables per rb2b.com, July 2026. Person-level identity is US B2B — a work email and LinkedIn, no personal email or phone number.
800+ attributes to choose from.
The person, plus the depth to segment before you spend — household, property, financial, demographic.
RB2B's record is a name, a LinkedIn URL, and a business email. There's nothing there to segment on.
Side by side
|
|
RB2B | |
|---|---|---|
| Built for | Any site with US traffic | B2B sales teams |
| Who it resolves | The individual consumer | B2B professionals, US only |
| Contact you receive | Name, personal email, phone, address | Name, LinkedIn URL, business email |
| Phone number | On every matched record | Not a delivered field |
| Consumer attributes | 800+ per record | None |
| Method | First-party pixel, deterministic | 1st & 3rd-party cookies, device IDs & IP |
RB2B fields and method per rb2b.com, July 2026.
Your buyer is a person,
not a job title.
Personal email and a phone number — the actual person, reachable.
A B2B professional's name, LinkedIn URL, and work email. No personal email. No phone number.*
The individual's name, personal email, and mobile phone. Someone you can call.
RB2B reveals B2B buyers by their work identity. KnownVisitors reveals the person behind the visit — the consumer, with the personal email and phone number you need to reach them — on any US traffic.
*RB2B deliverables per rb2b.com, July 2026: person-level identity is US B2B — name, LinkedIn URL, and validated business email; no personal email or phone number is listed as a delivered field.
If all you want is a Slack ping the moment a company lands on your site, RB2B is the fastest install in the category. If you want a contact you can actually call, book the demo.
Questions, answered
For anyone who wants the full contact, phone number included, on any US traffic, yes.
No. RB2B delivers a name, a LinkedIn profile, and a validated business email. A phone number isn't one of its fields at any tier — phone shows up only as a channel to reach out on. KnownVisitors includes a phone number, flagged against the Do Not Call registry.
RB2B matches cookies, device IDs, and IP addresses against a publisher network, with Demandbase reverse-IP for company-level lookups. KnownVisitors is deterministic and first-party, anchored to each visitor's relationship with your own domain, so it holds up as third-party cookies disappear.
RB2B's person-level identity is US B2B — it returns a work identity: a LinkedIn profile and a business email. KnownVisitors resolves the individual with a personal email and phone number, which is what matters if you sell to people, not just to businesses.
Book a demo. See who’s really there.
See who’s in your traffic. Tell us your site and rough monthly visitors, and we'll get back within one business day.