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confirmed host

52.51.21.68

Slivercommand-and-control server · :443, :31337

Last confirmed 2026-09-15, first seen 2026-09-02. On AS16509.

listed last confirmed feed checked TLP:CLEAR SURICATA .RULES SEE THE LIVE FEED →

This address answered on 2 ports — :443, :31337.

52.51.21.68:443 · Sliver

Last confirmed (today)

first seen2026-09-05 09:57 UTC
serviceip-port · tcp · HTTPS blend-in
networkAS16509 · Amazon.com
confidence100 / 100
tls certificateda19ff4239ad3dbf0733c9ce8da5f1d9e07feea532fac21b89f3c1be1138f8c0
cert subjectlocalhost
cert subject orgnosy revolution, Consulting
cert validity2026-06-15 → 2028-06-14
cert typeCA-signed
cert key4096-bit
cert serial (decimal)8962321761658331599297300997041416885
cert nameslocalhost

The certificate names above were validated by the issuing authority at issuance. They describe the certificate, not conduct by the names' owner — a legitimately issued certificate can be deployed on a listed host by whoever holds its private key, so treat the name as a pivot to investigate rather than as an attribution.

ja4x000000000000_7c32fa18c13e_bf0f0589fc03

52.51.21.68:31337 · Sliver

Last confirmed (today)

first seen2026-09-02 11:48 UTC
serviceip-port · tcp · Sliver default
networkAS16509 · Amazon.com
confidence100 / 100
tls certificated860bf752f94466474dec8cee6f9f8d9868c5e2ab31c83926a6623ee19202f8b
cert subjectmultiplayer
cert issueroperators
cert validity2026-04-24 → 2029-04-23
cert typeCA-signed
cert key256-bit
cert serial (decimal)251000039236717809022707357588240843420
cert namesmultiplayer

The certificate names above were validated by the issuing authority at issuance. They describe the certificate, not conduct by the names' owner — a legitimately issued certificate can be deployed on a listed host by whoever holds its private key, so treat the name as a pivot to investigate rather than as an attribution.

ja4x7022c563de38_7022c563de38_bf0f0589fc03

Observation history

18d agotoday

Observed on 14 of the 18 days since this archive began recording, 2026-08-29 UTC. Presence is per UTC day: a day is marked when the scanner confirmed this address at least once, not once per scan.

Shared JA4X issuance template · 554 hosts

These hosts issued certificates from the same template — the same distinguished-name fields hashed in the same order. It links tooling, not necessarily an operator.

1.13.165.181Sliver1.14.73.118Sliver100.53.240.26Sliver101.126.90.250Sliver101.132.66.50Sliver101.42.96.140Sliver103.121.92.150Sliver103.121.92.249Sliver103.121.95.90Sliver103.153.74.188Sliverarchived103.185.249.13Sliver103.216.116.136Sliverarchived103.216.116.186Sliverarchived103.216.117.141Sliverarchived103.216.117.216Sliverarchived103.216.117.40Sliverarchived103.226.250.31Sliverarchived103.226.251.109Sliverarchived103.226.251.110Sliverarchived103.226.251.111Sliverarchived103.226.251.112Sliverarchived103.226.251.113Sliverarchived103.226.251.114Sliverarchived103.226.251.115Sliverarchived

Showing 24 of 554. The rest are reachable from any of them.

Pivots & lookups

same asn → 73 other hosts lookups: virustotal · shodan · censys

Listed in error?

This page is generated from automated scanning and is publicly available. If you are responsible for this address and it should not be listed, write to support@publicmosaic.com — see abuse & takedown for what we need and what happens next, or opt-out to exclude a whole range from scanning.

Addresses are frequently compromised third-party hosts rather than infrastructure their owner stood up. A listing records what a scan observed at a point in time; it is not an allegation about whoever pays for the address.