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Data as of Nov 4, 2026

149.52.0.0/15

32,768 anonymizer addresses · 25% · ISP proxy

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS174
Type
Internet provider
75% of it

Residential-proxy exits

Proxy exits
3
<0.01% of its addresses · listed by providers
Spread
2 of 512
/24s with at least one exit
Providers
2
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
149.52.14.0/2402
149.52.73.0/2401

Proxy providers listing exits

  • CliProxy
  • Novada
IPv4 market

Path

1 · Holder
Unnamed holder
2 · Leased from
Cogent Communications, LLC
its owner, directly
3 · Announced by
AS174 Cogent Communications, LLC
since Sep 2006 · 20.1 yr ago
4 · Use
Proxy providersnamed SkyQuantum, Novada
Internet provider

Operators, sellers and brokers

Proxy providers

NameParentIn 149.52.0.0/15/24sRole
SkyQuantum
32,76825%
128
Runs it
Novada
2,8162.1%
11
Sells it
Runs itSells it
Leased from

Owners leasing their own space

NameIn 149.52.0.0/15/24s
Cogent Communications, LLC
32,76825%
128

Lineage

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

149.52.0.0/15

From the registry to its use

  1. Sep 15, 2006– today
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  2. today
    Used
    SkyQuantum
    Proxy seller
  3. today
    Used
    Novada
    Proxy seller

Announcements

More specific

Announcements inside

PrefixOriginTypeAnonymizer addressesOperatorProxy exitsHolderRPKI
149.52.0.0/17
since Sep 28, 2026
AS55201ISP proxy32,00098%Proxy providersoperated by SkyQuantumsold by Novada3Cogent Communications, LLC
149.52.14.0/24
since Sep 2026
AS23532ISP proxyProxy providersoperated by SkyQuantumsold by Novada2Cogent Communications, LLC
via SkyQuantum Internet Service
149.52.50.0/24
since Sep 2026
AS23532ISP proxyProxy providersoperated by SkyQuantumsold by NovadaCogent Communications, LLC
via SkyQuantum Internet Service
149.52.73.0/24
since Sep 2026
AS23532ISP proxyProxy providersoperated by SkyQuantum1Cogent Communications, LLC
via SkyQuantum Internet Service

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
149.52.0.0/1665,536COGENT-149-52-16Cogent Communications, LLC (COGC) · USDirect AllocationJan 28, 1992abuse@cogentco.com
└ 149.52.0.0/198,192WISDOM-CLOUD-CGNT-NET-8Wisdom Cloud Internet Technology Pte. Ltd (WCITPL) · SGReallocatedJun 20, 2024abuse@wisdomisp.com
└ 149.52.0.0/204,096NET-149-52-0-0SkyQuantum Internet Service (SISL-43) · USReallocatedJun 24, 2024abuse@adsl.cat
└ 149.52.16.0/204,096NET-149-52-16-0SkyQuantum Internet Service (SISL-43) · USReallocatedJun 24, 2024abuse@adsl.cat
└ 149.52.32.0/198,192WISDOM-CLOUD-CGNT-NET-7Wisdom Cloud Internet Technology Pte. Ltd (WCITPL) · SGReallocatedJun 20, 2024abuse@wisdomisp.com
└ 149.52.32.0/204,096NET-149-52-32-0SkyQuantum Internet Service (SISL-43) · USReallocatedJun 24, 2024abuse@adsl.cat
└ 149.52.48.0/204,096NET-149-52-48-0SkyQuantum Internet Service (SISL-43) · USReallocatedJun 24, 2024abuse@adsl.cat
└ 149.52.64.0/198,192WISDOM-CLOUD-CGNT-NET-6Wisdom Cloud Internet Technology Pte. Ltd (WCITPL) · SGReallocatedJun 20, 2024abuse@wisdomisp.com
└ 149.52.64.0/204,096NET-149-52-64-0SkyQuantum Internet Service (SISL-43) · USReallocatedJun 24, 2024abuse@adsl.cat
└ 149.52.80.0/204,096NET-149-52-80-0SkyQuantum Internet Service (SISL-43) · USReallocatedJun 24, 2024abuse@adsl.cat
└ 149.52.96.0/198,192WISDOM-CLOUD-CGNT-NET-5Wisdom Cloud Internet Technology Pte. Ltd (WCITPL) · SGReallocatedJun 20, 2024abuse@wisdomisp.com
└ 149.52.96.0/204,096NET-149-52-96-0SkyQuantum Internet Service (SISL-43) · USReallocatedJun 24, 2024abuse@adsl.cat
└ 149.52.112.0/204,096NET-149-52-112-0SkyQuantum Internet Service (SISL-43) · USReallocatedJun 24, 2024abuse@adsl.cat
149.53.0.0/1665,536COGENT-149-53-16Cogent Communications, LLC (COGC) · USDirect AllocationJan 28, 1992abuse@cogentco.com

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

131,072 addresses
TypeAddressesShareRanges
Internet provider98,30475%2
ISP proxyanonymizer32,76825%25

Network & registry

AnnouncementRouting historyWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Not stated by the 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