Data as of Nov 8, 2026

154.21.96.0/23

Anonymizer · ISP proxy35 residential-proxy exits · 30 days

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical

Residential-proxy exits

Proxy exits
35
6.8% of its addresses · 30 days
Always-on exits
2
5.7% of its exits
Spread
2 of 2
/24s with at least one exit
Providers
12
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

1.2K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
154.21.97.0/24222
154.21.96.0/24013

Proxy providers listing exits

  • BottingTools
  • DataImpulse
  • Geonode
  • GloryCloud
  • Infatica
  • MagneticProxy
  • PacketStream
  • PrivateByte
  • Proxy4U
  • ProxyGeo
  • ProxyRack
  • RealProxy
IPv4 market

Path

1 · Holder
record created Feb 5, 1992
2 · Leased from
not leased
3 · Announced by
AS174 Cogent Communications, LLC
since Jul 2022 · 4.3 yr ago
4 · Use
Proxy providersnamed Webshare
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 154.21.96.0/23/24s
Webshare
512100%
2

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

154.21.96.0/23

From the registry to its use

  1. Feb 5, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    154.21.0.0/16
  2. Sep 10, 2018– today
    Announced
    AS174 Cogent Communications, LLC
    as part of 154.21.0.0/16
    154.21.0.0/16
  3. Jul 15, 2022– today
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  4. today
    Used
    Webshare
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorProxy exitsHolderRPKI
154.21.0.0/16
since Sep 2018
AS174Internet provider1,2802.0%ISP proxy, VPNProxy providersoperated by High ProxiesVPN servicesoperated by TorGuard290
45 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
└ 154.21.96.0/24256NET-154-21-96-0-1Ping Technology Labs LTD (C07695864) · GBReassignedNov 27, 2020abuse@cogentco.com
via COGENT-154-21-16
└ 154.21.97.0/24256NET-154-21-97-0-1Ping Technology Labs LTD (C07695863) · GBReassignedNov 27, 2020abuse@cogentco.com
via COGENT-154-21-16

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

Origin network

AS174

US
Name
Cogent Communications, LLC
Type
Internet provider
Registered
May 16, 1996
Domain
cogentco.com
Website
www.cogentco.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
1,658