ip neighborsdirectory What the mail shows
81 other senders have been seen on at least one of these IPs, though none matches the full pool.
81
Other companies on them
Who else sends from these IPs and 41 more.
The Klaviyo pool this sits in · 4 brands · 20 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 20 of ~38 IPs seen. Klaviyo assigns a different IP per send, so this is the set drawn from, not an address. 198.37.147.189 carried 11% of what we saw, well above the 5% an even rotation would give it.
Sending over time Stable in our sample: the same 20 addresses from first to last sighting, 5 months.
EACH ROW IS ONE ADDRESS, OLDEST FIRST · BAR = IN THE POOL · DARKER = MORE CAMPAIGNS 167.89.81.152 167.89.81.152 · o1383 · carried this mail 5 Mar 26 to now · 1 campaigns 167.89.81.152 · week of 05/03/2026 · 1 campaign 1 167.89.72.20 167.89.72.20 · o1284 · carried this mail 5 Mar 26 to now · 1 campaigns 167.89.72.20 · week of 05/03/2026 · 1 campaign 1 167.89.72.21 167.89.72.21 · o1279 · carried this mail 5 Mar 26 to now · 1 campaigns 167.89.72.21 · week of 05/03/2026 · 1 campaign 1 167.89.111.10 167.89.111.10 · o1347 · carried this mail 5 Mar 26 to now · 3 campaigns 167.89.111.10 · week of 05/03/2026 · 1 campaign 167.89.111.10 · week of 12/03/2026 · 2 campaigns 3 159.183.122.8 159.183.122.8 · o2613 · carried this mail 5 Mar 26 to now · 6 campaigns 159.183.122.8 · week of 05/03/2026 · 1 campaign 159.183.122.8 · week of 19/03/2026 · 1 campaign 159.183.122.8 · week of 04/06/2026 · 1 campaign 159.183.122.8 · week of 11/06/2026 · 1 campaign 159.183.122.8 · week of 18/06/2026 · 2 campaigns 6 167.89.11.158 167.89.11.158 · o1353 · carried this mail 5 Mar 26 to now · 5 campaigns 167.89.11.158 · week of 05/03/2026 · 1 campaign 167.89.11.158 · week of 26/03/2026 · 1 campaign 167.89.11.158 · week of 02/04/2026 · 2 campaigns 167.89.11.158 · week of 25/06/2026 · 1 campaign 5 198.37.147.189 198.37.147.189 · o1381 · carried this mail 12 Mar 26 to now · 9 campaigns 198.37.147.189 · week of 12/03/2026 · 1 campaign 198.37.147.189 · week of 16/04/2026 · 1 campaign 198.37.147.189 · week of 14/05/2026 · 1 campaign 198.37.147.189 · week of 21/05/2026 · 2 campaigns 198.37.147.189 · week of 11/06/2026 · 1 campaign 198.37.147.189 · week of 18/06/2026 · 2 campaigns 198.37.147.189 · week of 25/06/2026 · 1 campaign 9 149.72.148.47 149.72.148.47 · o1413 · carried this mail 19 Mar 26 to now · 1 campaigns 149.72.148.47 · week of 19/03/2026 · 1 campaign 1 149.72.196.56 149.72.196.56 · o1363 · carried this mail 19 Mar 26 to now · 1 campaigns 149.72.196.56 · week of 19/03/2026 · 1 campaign 1 198.37.148.224 198.37.148.224 · o1364 · carried this mail 19 Mar 26 to now · 2 campaigns 198.37.148.224 · week of 19/03/2026 · 1 campaign 198.37.148.224 · week of 26/03/2026 · 1 campaign 2 167.89.72.24 167.89.72.24 · o1282 · carried this mail 19 Mar 26 to now · 9 campaigns 167.89.72.24 · week of 19/03/2026 · 1 campaign 167.89.72.24 · week of 23/04/2026 · 1 campaign 167.89.72.24 · week of 30/04/2026 · 1 campaign 167.89.72.24 · week of 07/05/2026 · 1 campaign 167.89.72.24 · week of 21/05/2026 · 1 campaign 167.89.72.24 · week of 04/06/2026 · 1 campaign 167.89.72.24 · week of 18/06/2026 · 1 campaign 167.89.72.24 · week of 02/07/2026 · 1 campaign 167.89.72.24 · week of 09/07/2026 · 1 campaign 9 167.89.80.86 167.89.80.86 · o1287 · carried this mail 19 Mar 26 to now · 3 campaigns 167.89.80.86 · week of 19/03/2026 · 1 campaign 167.89.80.86 · week of 09/04/2026 · 1 campaign 167.89.80.86 · week of 23/07/2026 · 1 campaign 3 167.89.80.82 167.89.80.82 · o1292 · carried this mail 26 Mar 26 to now · 1 campaigns 167.89.80.82 · week of 26/03/2026 · 1 campaign 1 149.72.88.115 149.72.88.115 · o1408 · carried this mail 26 Mar 26 to now · 5 campaigns 149.72.88.115 · week of 26/03/2026 · 1 campaign 149.72.88.115 · week of 14/05/2026 · 1 campaign 149.72.88.115 · week of 28/05/2026 · 1 campaign 149.72.88.115 · week of 18/06/2026 · 1 campaign 149.72.88.115 · week of 25/06/2026 · 1 campaign 5 149.72.85.18 149.72.85.18 · o1409 · carried this mail 2 Apr 26 to now · 6 campaigns 149.72.85.18 · week of 02/04/2026 · 1 campaign 149.72.85.18 · week of 07/05/2026 · 1 campaign 149.72.85.18 · week of 14/05/2026 · 1 campaign 149.72.85.18 · week of 21/05/2026 · 1 campaign 149.72.85.18 · week of 28/05/2026 · 1 campaign 149.72.85.18 · week of 25/06/2026 · 1 campaign 6 149.72.148.61 149.72.148.61 · o1411 · carried this mail 2 Apr 26 to now · 3 campaigns 149.72.148.61 · week of 02/04/2026 · 1 campaign 149.72.148.61 · week of 04/06/2026 · 1 campaign 149.72.148.61 · week of 23/07/2026 · 1 campaign 3 149.72.148.64 149.72.148.64 · o1410 · carried this mail 9 Apr 26 to now · 8 campaigns 149.72.148.64 · week of 09/04/2026 · 1 campaign 149.72.148.64 · week of 16/04/2026 · 1 campaign 149.72.148.64 · week of 23/04/2026 · 1 campaign 149.72.148.64 · week of 30/04/2026 · 1 campaign 149.72.148.64 · week of 11/06/2026 · 1 campaign 149.72.148.64 · week of 02/07/2026 · 2 campaigns 149.72.148.64 · week of 09/07/2026 · 1 campaign 8 168.245.121.105 168.245.121.105 · o1379 · carried this mail 9 Apr 26 to now · 5 campaigns 168.245.121.105 · week of 09/04/2026 · 1 campaign 168.245.121.105 · week of 16/04/2026 · 1 campaign 168.245.121.105 · week of 18/06/2026 · 2 campaigns 168.245.121.105 · week of 23/07/2026 · 1 campaign 5 167.89.72.26 167.89.72.26 · o1283 · carried this mail 16 Apr 26 to now · 6 campaigns 167.89.72.26 · week of 16/04/2026 · 1 campaign 167.89.72.26 · week of 07/05/2026 · 1 campaign 167.89.72.26 · week of 21/05/2026 · 1 campaign 167.89.72.26 · week of 28/05/2026 · 1 campaign 167.89.72.26 · week of 02/07/2026 · 1 campaign 167.89.72.26 · week of 09/07/2026 · 1 campaign 6 149.72.196.98 149.72.196.98 · o1380 · carried this mail 16 Apr 26 to now · 6 campaigns 149.72.196.98 · week of 16/04/2026 · 1 campaign 149.72.196.98 · week of 23/04/2026 · 1 campaign 149.72.196.98 · week of 30/04/2026 · 1 campaign 149.72.196.98 · week of 07/05/2026 · 1 campaign 149.72.196.98 · week of 16/07/2026 · 2 campaigns 6 Mar 26 Apr 26 Apr 26 May 26 Jun 26 Jul 26
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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.