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Data as of Nov 4, 2026

204.181.0.0/21

No anonymizer space · no proxy exits in 30 days

AS32068 · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS32068
Type
Unknown

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
204.180.0.0/14
since May 2024
AS174Internet providerCogent Communications, LLC
More specific

Announcements inside

PrefixOriginTypeRPKI
204.181.1.0/24
since May 2005
AS32068Unknown

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
204.180.0.0/14262,144COGENT-204-180-0Cogent Communications, LLC (COGC) · USDirect AllocationOct 18, 1994[email protected]
└ 204.181.0.0/212,048SPRINTLINKMemphis Networx (MEMPH-1) · USReallocatedSep 19, 2006[email protected]
└ 204.181.0.8/298MNX-ROYAL001unknown———
└ 204.181.0.16/2816MNX-PRINT001-1unknown———
└ 204.181.0.32/2816MNX-PRINT001-2unknown———
└ 204.181.0.48/298MNX-GTX00001unknown———
└ 204.181.0.56/298MNX-GLOBA001unknown———
└ 204.181.0.64/2816MNX-GYRUS001unknown———
└ 204.181.0.80/298MNX-INTIM001unknown———
└ 204.181.0.88/298MNX-MATA0001unknown———
└ 204.181.0.96/298MNX-TENNE001unknown———
└ 204.181.0.104/298MNX-FEDEX001unknown———
└ 204.181.0.112/2816MNX-LENNY001unknown———
└ 204.181.0.128/2816MNX-PITTC001unknown———
└ 204.181.0.144/2816MNX-HEALT001unknown———
└ 204.181.0.160/2732MNX-ODENM001unknown———
└ 204.181.0.192/2732MNX-SHELBY001unknown———
└ 204.181.0.224/2816MNX-TRIUM001unknown———
└ 204.181.0.240/2816MNX-CONTE001unknown———
└ 204.181.1.0/24256MNX-VO2NE001unknown———
└ 204.181.2.0/24256PERSPECTIVE-BLOCK1unknown———
└ 204.181.3.0/24256UTMG0001unknown———
└ 204.181.4.0/24256MNX-MANAG001-2unknown———
└ 204.181.5.0/24256MNX-INFUT001-2unknown———
└ 204.181.6.0/2732MNX-SHELB001-2unknown———
└ 204.181.6.32/2732MNX-JACKS001unknown———
└ 204.181.6.64/2732MNX-MYHEA001unknown———
└ 204.181.6.128/2732MNX-REFCO001unknown———
└ 204.181.6.160/2732MNX-SOFTW001unknown———
└ 204.181.6.192/2664MNX-COMPU001unknown———
└ 204.181.7.0/24256PERSPECTIVE-BLOCK2unknown———

Network & registry

AnnouncementRouting historyWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
204.180.0.0/14
Registration type
Direct Allocation
Record created
Oct 18, 1994
Legacy
yes
Reallocated to
Memphis Networx (MEMPH-1)
Reallocated range
204.181.0.0/21
Reallocated
Sep 19, 2006
Origin network

AS32068

ZZ
Registered
Nov 3, 2026
Spamhaus ASN-DROP
not listed