ip neighborsdirectory What the mail shows
96 other senders have been seen on at least one of these IPs, though none matches the full pool.
96
Other companies on them
Who else sends from these IPs and 56 more.
The IPs, by how much of this mail each carried 28 of ~32 IPs seen. Klaviyo assigns a different IP per send, so this is the set drawn from, not an address. 170.203.28.6 carried 9% of what we saw, well above the 4% an even rotation would give it.
Sending over time 4 addresses first appeared mid-window and 3 stopped appearing. Entries and exits together are what a pool reassignment looks like; confirming one needs your DMARC reports.
EACH ROW IS ONE ADDRESS, OLDEST FIRST · BAR = IN THE POOL · DARKER = MORE CAMPAIGNS 170.203.16.3 170.203.16.3 · kl-203-16-3 · carried this mail 26 Jun 25 to now · 2 campaigns 170.203.16.3 · week of 26/06/2025 · 1 campaign 170.203.16.3 · week of 17/07/2025 · 1 campaign 2 170.203.24.9 170.203.24.9 · kl-203-24-9 · carried this mail 26 Jun 25 to now · 2 campaigns 170.203.24.9 · week of 26/06/2025 · 1 campaign 170.203.24.9 · week of 24/07/2025 · 1 campaign 2 170.203.28.25 170.203.28.25 · kl-203-28-25 · carried this mail 26 Jun 25 to 14 Aug 25 · 4 campaigns 170.203.28.25 · week of 26/06/2025 · 1 campaign 170.203.28.25 · week of 17/07/2025 · 1 campaign 170.203.28.25 · week of 31/07/2025 · 1 campaign 170.203.28.25 · week of 07/08/2025 · 1 campaign 4 170.203.16.10 170.203.16.10 · kl-203-16-10 · carried this mail 26 Jun 25 to now · 2 campaigns 170.203.16.10 · week of 26/06/2025 · 1 campaign 170.203.16.10 · week of 07/08/2025 · 1 campaign 2 170.203.20.36 170.203.20.36 · kl-203-20-36 · carried this mail 26 Jun 25 to 28 Aug 25 · 5 campaigns 170.203.20.36 · week of 26/06/2025 · 1 campaign 170.203.20.36 · week of 03/07/2025 · 1 campaign 170.203.20.36 · week of 24/07/2025 · 1 campaign 170.203.20.36 · week of 14/08/2025 · 1 campaign 170.203.20.36 · week of 21/08/2025 · 1 campaign 5 170.203.24.8 170.203.24.8 · kl-203-24-8 · carried this mail 26 Jun 25 to 28 Aug 25 · 4 campaigns 170.203.24.8 · week of 26/06/2025 · 1 campaign 170.203.24.8 · week of 10/07/2025 · 1 campaign 170.203.24.8 · week of 31/07/2025 · 1 campaign 170.203.24.8 · week of 21/08/2025 · 1 campaign 4 170.203.20.8 170.203.20.8 · kl-203-20-8 · carried this mail 26 Jun 25 to now · 3 campaigns 170.203.20.8 · week of 26/06/2025 · 1 campaign 170.203.20.8 · week of 10/07/2025 · 1 campaign 170.203.20.8 · week of 21/08/2025 · 1 campaign 3 170.203.24.51 170.203.24.51 · kl-203-24-51 · carried this mail 26 Jun 25 to now · 2 campaigns 170.203.24.51 · week of 26/06/2025 · 1 campaign 170.203.24.51 · week of 21/08/2025 · 1 campaign 2 170.203.16.36 170.203.16.36 · kl-203-16-36 · carried this mail 26 Jun 25 to now · 3 campaigns 170.203.16.36 · week of 26/06/2025 · 1 campaign 170.203.16.36 · week of 03/07/2025 · 1 campaign 170.203.16.36 · week of 28/08/2025 · 1 campaign 3 170.203.28.24 170.203.28.24 · kl-203-28-24 · carried this mail 17 Jul 25 to now · 3 campaigns 170.203.28.24 · week of 17/07/2025 · 1 campaign 170.203.28.24 · week of 31/07/2025 · 1 campaign 170.203.28.24 · week of 14/08/2025 · 1 campaign 3 170.203.20.5 170.203.20.5 · kl-203-20-5 · carried this mail 5 Feb 26 to now · 2 campaigns 170.203.20.5 · week of 05/02/2026 · 1 campaign 170.203.20.5 · week of 09/04/2026 · 1 campaign 2 149.72.90.89 149.72.90.89 · o1407 · carried this mail 19 Feb 26 to now · 1 campaigns 149.72.90.89 · week of 19/02/2026 · 1 campaign 1 170.203.16.21 170.203.16.21 · kl-203-16-21 · carried this mail 5 Mar 26 to now · 2 campaigns 170.203.16.21 · week of 05/03/2026 · 1 campaign 170.203.16.21 · week of 25/06/2026 · 1 campaign 2 170.203.24.6 170.203.24.6 · kl-203-24-6 · carried this mail 19 Mar 26 to now · 2 campaigns 170.203.24.6 · week of 19/03/2026 · 1 campaign 170.203.24.6 · week of 23/07/2026 · 1 campaign 2 170.203.28.201 170.203.28.201 · kl-203-28-201 · carried this mail 26 Mar 26 to now · 3 campaigns 170.203.28.201 · week of 26/03/2026 · 1 campaign 170.203.28.201 · week of 30/04/2026 · 1 campaign 170.203.28.201 · week of 07/05/2026 · 1 campaign 3 170.203.23.144 170.203.23.144 · kl-203-23-144 · carried this mail 26 Mar 26 to now · 6 campaigns 170.203.23.144 · week of 26/03/2026 · 1 campaign 170.203.23.144 · week of 14/05/2026 · 1 campaign 170.203.23.144 · week of 28/05/2026 · 1 campaign 170.203.23.144 · week of 04/06/2026 · 1 campaign 170.203.23.144 · week of 02/07/2026 · 1 campaign 170.203.23.144 · week of 16/07/2026 · 1 campaign 6 170.203.16.7 170.203.16.7 · kl-203-16-7 · carried this mail 2 Apr 26 to now · 1 campaigns 170.203.16.7 · week of 02/04/2026 · 1 campaign 1 170.203.24.5 170.203.24.5 · kl-203-24-5 · carried this mail 2 Apr 26 to now · 4 campaigns 170.203.24.5 · week of 02/04/2026 · 1 campaign 170.203.24.5 · week of 07/05/2026 · 1 campaign 170.203.24.5 · week of 14/05/2026 · 1 campaign 170.203.24.5 · week of 21/05/2026 · 1 campaign 4 170.203.16.6 170.203.16.6 · kl-203-16-6 · carried this mail 2 Apr 26 to now · 5 campaigns 170.203.16.6 · week of 02/04/2026 · 1 campaign 170.203.16.6 · week of 28/05/2026 · 1 campaign 170.203.16.6 · week of 11/06/2026 · 2 campaigns 170.203.16.6 · week of 18/06/2026 · 1 campaign 5 170.203.24.36 170.203.24.36 · kl-203-24-36 · carried this mail 9 Apr 26 to now · 4 campaigns 170.203.24.36 · week of 09/04/2026 · 1 campaign 170.203.24.36 · week of 18/06/2026 · 1 campaign 170.203.24.36 · week of 02/07/2026 · 1 campaign 170.203.24.36 · week of 16/07/2026 · 1 campaign 4 167.89.100.82 167.89.100.82 · o1304 · carried this mail 16 Apr 26 to now · 1 campaigns 167.89.100.82 · week of 16/04/2026 · 1 campaign 1 149.72.217.41 149.72.217.41 · o1377 · carried this mail 16 Apr 26 to now · 1 campaigns 149.72.217.41 · week of 16/04/2026 · 1 campaign 1 170.203.28.6 170.203.28.6 · kl-203-28-6 · carried this mail 23 Apr 26 to now · 7 campaigns 170.203.28.6 · week of 23/04/2026 · 2 campaigns 170.203.28.6 · week of 30/04/2026 · 1 campaign 170.203.28.6 · week of 04/06/2026 · 1 campaign 170.203.28.6 · week of 25/06/2026 · 1 campaign 170.203.28.6 · week of 09/07/2026 · 2 campaigns 7 170.203.20.21 170.203.20.21 · kl-203-20-21 · carried this mail 23 Apr 26 to now · 3 campaigns 170.203.20.21 · week of 23/04/2026 · 1 campaign 170.203.20.21 · week of 11/06/2026 · 1 campaign 170.203.20.21 · week of 16/07/2026 · 1 campaign 3 149.72.88.114 149.72.88.114 · o1406 · carried this mail 14 May 26 to now · 1 campaigns 149.72.88.114 · week of 14/05/2026 · 1 campaign 1 170.203.19.129 170.203.19.129 · kl-203-19-129 · carried this mail 21 May 26 to now · 4 campaigns 170.203.19.129 · week of 21/05/2026 · 1 campaign 170.203.19.129 · week of 18/06/2026 · 1 campaign 170.203.19.129 · week of 25/06/2026 · 1 campaign 170.203.19.129 · week of 02/07/2026 · 1 campaign 4 170.203.28.1 170.203.28.1 · kl-203-28-1 · carried this mail 25 Jun 26 to now · 1 campaigns 170.203.28.1 · week of 25/06/2026 · 1 campaign 1 141.109.250.3 141.109.250.3 · carried this mail 23 Jul 26 to now · 1 campaigns 141.109.250.3 · week of 23/07/2026 · 1 campaign 1 Jun 25 Sept 25 Nov 25 Jan 26 Apr 26 Jun 26
Is this your domain? This page is built from mail we received, so it is a sample. Verify the domain and you get the complete pool from your own DMARC reports, plus an email the day the pool changes.
Check a campaign of yours The complete version of this page, every address from your DMARC with dated moves and a written verdict, is the pool audit . Read a sample report .
How this was measured
Panel mailboxes subscribe to public newsletters. Every message carries the IP that delivered it in its Received: headers, which is how the pairing of brand to IP is established. Nothing here is modelled or inferred.
Published: which IP carried which brand's mail, by day. Not published: how much anyone sends, when exactly, or where their mail landed. Adjacency is a fact about shared infrastructure; performance belongs to the sender.
A brand that would rather not appear here is removed on request, same day.