ip neighborsdirectory What the mail shows
102 other senders have been seen on at least one of these IPs, though none matches the full pool.
102
Other companies on them
Who else sends from these IPs and 62 more.
The Klaviyo pool this sits in · 5 brands · 27 addresses These senders draw from near-identical sets of addresses, which is what sharing a pool means. Klaviyo publishes none of this. See every pool we have recovered .
The IPs, by how much of this mail each carried 21 of ~36 IPs seen. Klaviyo assigns a different IP per send, so this is the set drawn from, not an address. 170.203.28.36 carried 11% of what we saw, well above the 5% an even rotation would give it.
Sending over time No addresses first appeared mid-window and 9 stopped appearing. In a sampled panel that is usually sampling, not movement; the real answer needs your DMARC reports.
EACH ROW IS ONE ADDRESS, OLDEST FIRST · BAR = IN THE POOL · DARKER = MORE CAMPAIGNS 170.203.16.15 170.203.16.15 · kl-203-16-15 · carried this mail 15 May 25 to 2 Oct 25 · 10 campaigns 170.203.16.15 · week of 15/05/2025 · 1 campaign 170.203.16.15 · week of 22/05/2025 · 2 campaigns 170.203.16.15 · week of 03/07/2025 · 1 campaign 170.203.16.15 · week of 10/07/2025 · 2 campaigns 170.203.16.15 · week of 14/08/2025 · 1 campaign 170.203.16.15 · week of 11/09/2025 · 1 campaign 170.203.16.15 · week of 18/09/2025 · 1 campaign 170.203.16.15 · week of 25/09/2025 · 1 campaign 10 170.203.28.36 170.203.28.36 · kl-203-28-36 · carried this mail 15 May 25 to 13 Nov 25 · 14 campaigns 170.203.28.36 · week of 15/05/2025 · 1 campaign 170.203.28.36 · week of 22/05/2025 · 1 campaign 170.203.28.36 · week of 29/05/2025 · 1 campaign 170.203.28.36 · week of 05/06/2025 · 1 campaign 170.203.28.36 · week of 19/06/2025 · 1 campaign 170.203.28.36 · week of 26/06/2025 · 1 campaign 170.203.28.36 · week of 03/07/2025 · 1 campaign 170.203.28.36 · week of 17/07/2025 · 1 campaign 170.203.28.36 · week of 31/07/2025 · 1 campaign 170.203.28.36 · week of 21/08/2025 · 1 campaign 170.203.28.36 · week of 04/09/2025 · 1 campaign 170.203.28.36 · week of 02/10/2025 · 1 campaign 170.203.28.36 · week of 30/10/2025 · 1 campaign 170.203.28.36 · week of 06/11/2025 · 1 campaign 14 170.203.20.12 170.203.20.12 · kl-203-20-12 · carried this mail 15 May 25 to 4 Dec 25 · 13 campaigns 170.203.20.12 · week of 15/05/2025 · 2 campaigns 170.203.20.12 · week of 22/05/2025 · 1 campaign 170.203.20.12 · week of 05/06/2025 · 1 campaign 170.203.20.12 · week of 12/06/2025 · 1 campaign 170.203.20.12 · week of 26/06/2025 · 1 campaign 170.203.20.12 · week of 03/07/2025 · 1 campaign 170.203.20.12 · week of 14/08/2025 · 1 campaign 170.203.20.12 · week of 28/08/2025 · 1 campaign 170.203.20.12 · week of 04/09/2025 · 1 campaign 170.203.20.12 · week of 09/10/2025 · 1 campaign 170.203.20.12 · week of 13/11/2025 · 1 campaign 170.203.20.12 · week of 27/11/2025 · 1 campaign 13 170.203.28.28 170.203.28.28 · kl-203-28-28 · carried this mail 15 May 25 to 4 Dec 25 · 10 campaigns 170.203.28.28 · week of 15/05/2025 · 1 campaign 170.203.28.28 · week of 12/06/2025 · 1 campaign 170.203.28.28 · week of 03/07/2025 · 1 campaign 170.203.28.28 · week of 10/07/2025 · 1 campaign 170.203.28.28 · week of 24/07/2025 · 1 campaign 170.203.28.28 · week of 31/07/2025 · 1 campaign 170.203.28.28 · week of 21/08/2025 · 1 campaign 170.203.28.28 · week of 28/08/2025 · 1 campaign 170.203.28.28 · week of 04/09/2025 · 1 campaign 170.203.28.28 · week of 27/11/2025 · 1 campaign 10 170.203.20.51 170.203.20.51 · kl-203-20-51 · carried this mail 15 May 25 to now · 8 campaigns 170.203.20.51 · week of 15/05/2025 · 1 campaign 170.203.20.51 · week of 17/07/2025 · 1 campaign 170.203.20.51 · week of 28/08/2025 · 2 campaigns 170.203.20.51 · week of 18/09/2025 · 1 campaign 170.203.20.51 · week of 06/11/2025 · 1 campaign 170.203.20.51 · week of 20/11/2025 · 1 campaign 170.203.20.51 · week of 28/05/2026 · 1 campaign 8 170.203.28.37 170.203.28.37 · kl-203-28-37 · carried this mail 15 May 25 to now · 10 campaigns 170.203.28.37 · week of 15/05/2025 · 3 campaigns 170.203.28.37 · week of 05/06/2025 · 1 campaign 170.203.28.37 · week of 17/07/2025 · 1 campaign 170.203.28.37 · week of 31/07/2025 · 1 campaign 170.203.28.37 · week of 11/09/2025 · 2 campaigns 170.203.28.37 · week of 02/10/2025 · 1 campaign 170.203.28.37 · week of 04/06/2026 · 1 campaign 10 167.89.80.87 167.89.80.87 · o1288 · carried this mail 22 May 25 to now · 1 campaigns 167.89.80.87 · week of 22/05/2025 · 1 campaign 1 170.203.16.2 170.203.16.2 · kl-203-16-2 · carried this mail 22 May 25 to 23 Oct 25 · 7 campaigns 170.203.16.2 · week of 22/05/2025 · 2 campaigns 170.203.16.2 · week of 12/06/2025 · 1 campaign 170.203.16.2 · week of 03/07/2025 · 1 campaign 170.203.16.2 · week of 10/07/2025 · 1 campaign 170.203.16.2 · week of 04/09/2025 · 1 campaign 170.203.16.2 · week of 16/10/2025 · 1 campaign 7 170.203.20.2 170.203.20.2 · kl-203-20-2 · carried this mail 29 May 25 to 25 Sept 25 · 7 campaigns 170.203.20.2 · week of 29/05/2025 · 1 campaign 170.203.20.2 · week of 03/07/2025 · 1 campaign 170.203.20.2 · week of 10/07/2025 · 2 campaigns 170.203.20.2 · week of 07/08/2025 · 2 campaigns 170.203.20.2 · week of 18/09/2025 · 1 campaign 7 170.203.24.10 170.203.24.10 · kl-203-24-10 · carried this mail 29 May 25 to 30 Oct 25 · 11 campaigns 170.203.24.10 · week of 29/05/2025 · 1 campaign 170.203.24.10 · week of 05/06/2025 · 1 campaign 170.203.24.10 · week of 19/06/2025 · 1 campaign 170.203.24.10 · week of 26/06/2025 · 1 campaign 170.203.24.10 · week of 10/07/2025 · 2 campaigns 170.203.24.10 · week of 07/08/2025 · 1 campaign 170.203.24.10 · week of 04/09/2025 · 1 campaign 170.203.24.10 · week of 18/09/2025 · 1 campaign 170.203.24.10 · week of 09/10/2025 · 1 campaign 170.203.24.10 · week of 23/10/2025 · 1 campaign 11 170.203.24.12 170.203.24.12 · kl-203-24-12 · carried this mail 29 May 25 to 4 Dec 25 · 10 campaigns 170.203.24.12 · week of 29/05/2025 · 1 campaign 170.203.24.12 · week of 03/07/2025 · 1 campaign 170.203.24.12 · week of 10/07/2025 · 3 campaigns 170.203.24.12 · week of 17/07/2025 · 1 campaign 170.203.24.12 · week of 14/08/2025 · 1 campaign 170.203.24.12 · week of 25/09/2025 · 1 campaign 170.203.24.12 · week of 20/11/2025 · 1 campaign 170.203.24.12 · week of 27/11/2025 · 1 campaign 10 170.203.24.2 170.203.24.2 · kl-203-24-2 · carried this mail 5 Jun 25 to now · 6 campaigns 170.203.24.2 · week of 05/06/2025 · 1 campaign 170.203.24.2 · week of 19/06/2025 · 1 campaign 170.203.24.2 · week of 10/07/2025 · 1 campaign 170.203.24.2 · week of 21/08/2025 · 1 campaign 170.203.24.2 · week of 13/11/2025 · 1 campaign 170.203.24.2 · week of 20/11/2025 · 1 campaign 6 170.203.16.51 170.203.16.51 · kl-203-16-51 · carried this mail 12 Jun 25 to 4 Dec 25 · 7 campaigns 170.203.16.51 · week of 12/06/2025 · 1 campaign 170.203.16.51 · week of 19/06/2025 · 1 campaign 170.203.16.51 · week of 24/07/2025 · 2 campaigns 170.203.16.51 · week of 21/08/2025 · 1 campaign 170.203.16.51 · week of 28/08/2025 · 1 campaign 170.203.16.51 · week of 27/11/2025 · 1 campaign 7 149.72.167.100 149.72.167.100 · o1395 · carried this mail 3 Jul 25 to now · 1 campaigns 149.72.167.100 · week of 03/07/2025 · 1 campaign 1 149.72.85.152 149.72.85.152 · o1390 · carried this mail 17 Jul 25 to now · 1 campaigns 149.72.85.152 · week of 17/07/2025 · 1 campaign 1 167.89.106.34 167.89.106.34 · o1354 · carried this mail 30 Oct 25 to now · 1 campaigns 167.89.106.34 · week of 30/10/2025 · 1 campaign 1 170.203.20.221 170.203.20.221 · kl-203-20-221 · carried this mail 30 Oct 25 to now · 3 campaigns 170.203.20.221 · week of 30/10/2025 · 2 campaigns 170.203.20.221 · week of 13/11/2025 · 1 campaign 3 170.203.31.162 170.203.31.162 · kl-203-31-162 · carried this mail 30 Oct 25 to now · 3 campaigns 170.203.31.162 · week of 30/10/2025 · 1 campaign 170.203.31.162 · week of 06/11/2025 · 1 campaign 170.203.31.162 · week of 27/11/2025 · 1 campaign 3 170.203.27.80 170.203.27.80 · kl-203-27-80 · carried this mail 30 Oct 25 to now · 4 campaigns 170.203.27.80 · week of 30/10/2025 · 2 campaigns 170.203.27.80 · week of 06/11/2025 · 1 campaign 170.203.27.80 · week of 11/12/2025 · 1 campaign 4 149.72.196.60 149.72.196.60 · o1374 · carried this mail 27 Nov 25 to now · 1 campaigns 149.72.196.60 · week of 27/11/2025 · 1 campaign 1 149.72.139.128 149.72.139.128 · o1373 · carried this mail 27 Nov 25 to now · 1 campaigns 149.72.139.128 · week of 27/11/2025 · 1 campaign 1 May 25 Jul 25 Oct 25 Dec 25 Feb 26 Apr 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.