Data as of Nov 14, 2026

154.21.239.0/24

1 residential-proxy exit · 30 days

Solid Systems LLC · reallocated from Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 15, 2026 – Nov 13, 2026

Exits seen per day

3 observations

Proxy providers listing exits

  • CliProxy

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
154.21.0.0/16
since Sep 2018
AS174Internet provider291
41 always on
Cogent Communications, LLC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
154.21.0.0/1665,536COGENT-154-21-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992abuse@cogentco.com
└ 154.21.239.0/24256SOLIDSYS-CGNT-NET-8Solid Systems LLC (SSL-1126) · USReallocatedJan 11, 2024abuse@solidsystems.us
└ 154.21.239.0/24256SOLID-LOS-ANGELESSolid la (C10638571) · USReassignedJan 14, 2024abuse@solidsystems.us
via SOLIDSYS-CGNT-NET-8

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Rotating
First seen
Apr 2021
Current origin since
Jan 2024 · 2.8 yr
Origin networks
3
Last change of origin
Jan 2024
Recorded history

History

Handoffs
3