Data as of Nov 12, 2026

154.53.72.0/23

Anonymizer · ISP proxy

Cogent Communications, LLC

Announcement
No RPKI
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
2 · Leased from
not leased
3 · Announced by
AS174 Cogent Communications, LLC
since May 2005 · 21.5 yr ago
4 · Use
Proxy providersnamed QuarkIP
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 154.53.72.0/23/24s
QuarkIP
512100%
2

Network & registry

Routing timeline

Who has announced 154.48.0.0/12

154.48.0.0/12

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
May 2005 · 22 yr
Origin networks
1