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Data as of Nov 3, 2026

154.37.64.0/22

Anonymizer · Datacenter proxy

Altus Communications Inc. · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS11325
Type
Datacenter proxy
Risk
85 / 100 · Critical
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Feb 5, 1992 · reallocated to Aventice LLC Dec 8, 2021
2 · Leased from
Aventice
for its owner Cogent Communications, LLC
3 · Announced by
AS11325 Altus Communications Inc.
since Jan 2023 · 3.8 yr ago
4 · Use
Datacenter proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 154.37.64.0/22/24s
Aventice
1,024100%
4
Leased from

Owners leasing their own space

NameIn 154.37.64.0/22/24s
Cogent Communications, LLC
1,024100%
4

Lineage

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

154.37.64.0/22

From the registry to its use

  1. Feb 5, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    154.37.0.0/16
  2. Sep 15, 2006– today
    Announced
    AS174 Cogent Communications, LLC
    as part of 154.36.0.0/14
    154.36.0.0/14
  3. Nov 29, 2021– May 15, 2022
    Announced
    AS9009 M247 Europe SRL
    Hosting
  4. Dec 8, 2021
    Reallocated
    Aventice LLC
    Reallocated
    154.37.64.0/18
  5. May 28, 2022– Dec 17, 2022
    Announced
    AS7029 Windstream Communications LLC
    Internet provider
  6. Jun 9, 2022
    Route object
    AS7029 Windstream Communications LLC
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS7029
  7. Jan 11, 2023– today
    Announced
    AS11325 Altus Communications Inc.
    Hosting
  8. Jan 17, 2023
    Route object
    AS11325 Altus Communications Inc.
    RADB route object for AS11325 Altus Communications Inc., maintainer MAINT-AS46261
  9. today
    Leased from
    Aventice
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsRPKI
154.36.0.0/14
since Sep 2006
AS174Internet providerIP broker Aventice (part)2,085
267 always on

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
154.37.0.0/1665,536COGENT-154-37-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992[email protected]
└ 154.37.64.0/1816,384AVENTICE-CGNT-NET-14Aventice LLC (AL-584) · USReallocatedDec 8, 2021[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
154.37.0.0/16
Registration type
Direct Allocation
Record created
Feb 5, 1992
Legacy
yes
Reallocated to
Aventice LLC (AL-584)
Reallocated range
154.37.64.0/18
Reallocated
Dec 8, 2021
Origin network

AS11325

US
Name
Altus Communications Inc.
Type
Hosting
Registered
May 22, 2008
Domain
altuscgi.com
Spamhaus ASN-DROP
not listed