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Data as of Nov 11, 2026

154.28.72.0/22

Anonymizer · ISP proxy

Cogent Communications, LLC

Announcement
154.24.0.0/13
No RPKI
Announced by
AS174
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
Unnamed holder
2 · Leased from
Aventice
3 · Announced by
AS174 Cogent Communications, LLC
since Sep 2006 · 20.2 yr ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 154.28.72.0/22/24s
Aventice
1,024100%
4

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
154.28.0.0/1665,536COGENT-154-28-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992abuse@cogentco.com
└ 154.28.64.0/1816,384AVENTICE-CGNT-NET-7Aventice LLC (AL-584) · USReallocatedDec 8, 2021abuse@aventice.com
└ 154.28.72.0/221,024SPRINTBraveWay LLC (BL-216) · USReallocatedJan 19, 2023abuse@braveway.com
└ 154.28.72.0/221,024WIFIBER-IKEWifiber IKE (C09157927) · USReassignedJan 23, 2023abuse@braveway.com
via SPRINT

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

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced 154.24.0.0/13

154.24.0.0/13

Routing history

Pattern
Stable
First seen
Sep 2006
Current origin since
Sep 2006 · 20 yr
Origin networks
1