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Data as of Nov 3, 2026

149.51.240.0/21

512 anonymizer addresses · 25% · Datacenter proxy1 residential-proxy exit · 30 days

Windstream Communications LLC · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS7029
Type
Hosting
75% of it

Residential-proxy exits

Proxy exits
1
0.05% of its addresses · 30 days
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

228 observations
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Jan 28, 1992
2 · Leased from
Rackdog
for its owner Cogent Communications, LLC
3 · Announced by
AS7029 Windstream Communications LLC
since Feb 2023 · 3.7 yr ago
4 · Use
Proxy providersnamed Bright Data
Hosting

Operators, sellers and brokers

Proxy providers

NameParentIn 149.51.240.0/21/24s
Bright Data
51225%
2
Leased from

IP brokers

NameIn 149.51.240.0/21/24s
Rackdog
51225%
2
Leased from

Owners leasing their own space

NameIn 149.51.240.0/21/24s
Cogent Communications, LLC
51225%
2

Lineage

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

149.51.240.0/21

From the registry to its use

  1. Jan 28, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    149.51.0.0/16
  2. Sep 15, 2006– today
    Announced
    AS174 Cogent Communications, LLC
    as part of 149.50.0.0/15
    149.50.0.0/15
  3. May 28, 2022– Aug 7, 2022
    Announced
    AS398465 Rackdog, LLC
    Hosting
  4. Oct 19, 2022– Feb 15, 2023
    Announced
    AS399928 Paulding Putnam Electric Trust, Inc.
    Internet provider
  5. Feb 4, 2023– today
    Announced
    AS7029 Windstream Communications LLC
    Internet provider
  6. May 27, 2026
    Assigned
    RCN
    Reassigned
    149.51.192.0/18
  7. Jul 29, 2026
    Route object
    AS398465 Rackdog, LLC
    RADB route object for AS398465 Rackdog, LLC, maintainer MAINT-AS22773
  8. today
    Leased from
    Rackdog
    IP broker
  9. today
    Used
    Bright Data
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsRPKI
149.50.0.0/15
since Sep 2006
AS174Internet providerIP broker Rackdog (part)3,398
980 always on
Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeOperatorLeased fromHolderRPKI
149.51.240.0/22
since Feb 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.240.0/24
since May 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.241.0/24
since May 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.242.0/24
since May 2025
AS398465Datacenter proxyProxy providersoperated by Bright DataIP broker RackdogCogent Communications, LLC
149.51.243.0/24
since May 2025
AS398465Datacenter proxyProxy providersoperated by Bright DataIP broker RackdogCogent Communications, LLC
149.51.244.0/22
since Mar 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.245.0/24
since Mar 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.246.0/24
since Mar 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.247.0/24
since Mar 2025
AS398465HostingIP broker RackdogCogent 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
149.51.0.0/1665,536COGENT-149-51-16Cogent Communications, LLC (COGC) · USDirect AllocationJan 28, 1992[email protected]
└ 149.51.192.0/1816,384RACKDOG-CGNT-NET-12RCN (C11605110) · USReassignedMay 27, 2026[email protected]
via COGENT-149-51-16

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

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

Announced space

Address share

Announced space

Types across the prefix

2,048 addresses
TypeAddressesShareRanges
Hosting1,53675%6
Datacenter proxyanonymizer51225%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
149.51.0.0/16
Registration type
Direct Allocation
Record created
Jan 28, 1992
Legacy
yes
Origin network

AS7029

US
Name
Windstream Communications LLC
Type
Internet provider
Registered
Jul 30, 1996
Domain
uniti.com
Website
www.uniti.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed