Data as of Nov 9, 2026

204.117.192.0/20

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
97% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
204.117.0.0/16
since May 2024
AS174Internet providerCogent 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
204.117.0.0 - 204.120.255.255262,144COGCCogent Communications, LLC (COGC) · USDirect AllocationAug 12, 1994abuse@cogentco.com
└ 204.117.192.0/204,096SPRINT-CC75C0-2Sprint-United Telephone of Florida (UTOF) · USReallocatedApr 19, 1999—
└ 204.117.192.0/24256SPANS-SP-CR1unknown———
└ 204.117.193.0/24256204HMTOWN1unknown———
└ 204.117.194.0/24256204EG1unknown———
└ 204.117.195.0/24256204MPI1unknown———
└ 204.117.196.64/2664209PCP1unknown———
└ 204.117.197.128/2664204CCHDS1unknown———
└ 204.117.198.0/23512204-117-198NAVIGENunknown———
└ 204.117.200.0/24256204IP1unknown———
└ 204.117.201.0 - 204.117.202.255512204CALSPunknown———
└ 204.117.203.0/24256SURITYNET1unknown———
└ 204.117.205.0/24256204CALSP1unknown———
└ 204.117.206.0/24256SPRINT-CC75C0-2unknown———
└ 204.117.207.0/24256204CYB1unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Residential3,96897%3
Business1283.1%2

Network & registry

IPv4 market

Holder

Organization
Cogent Communications, LLC
Handle
COGC
Range
204.117.0.0 - 204.120.255.255
Registration type
Direct Allocation
Record created
Aug 12, 1994
Legacy
yes
Reallocated to
Sprint-United Telephone of Florida (UTOF)
Reallocated range
204.117.192.0/20
Reallocated
Apr 19, 1999
Origin network

AS2379

US
Name
CenturyLink Communications, LLC
Type
Internet provider
Registered
Feb 3, 1993
Domain
centurylink.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed