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Data as of Nov 9, 2026

38.100.190.0/23

No anonymizer space · no proxy exits in 30 days

Zoom Fiber · space held by Cogent Communications, LLC

Announcement
38.100.184.0/21
No RPKI
Announced by
AS400684
Type
Residential

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
38.0.0.0/8AS174Internet providerIP broker Rackdog (part)401,849
78,907 always on
Cogent Communications, LLC
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
38.100.190.0/24
since Dec 2024
AS400684ResidentialCogent Communications, LLC
via Zoom Fiber
38.100.191.0/24
since Jun 2022
AS400684ResidentialCogent Communications, LLC
via Zoom Fiber

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
38.0.0.0/816,777,216COGENT-ACogent Communications, LLC (COGC) · USDirect AllocationApr 16, 1991abuse@cogentco.com
└ 38.100.190.0/23512ZOOMFIBER-CGNT-NET-3Zoom Fiber (ZFL-7) · USReallocatedJun 13, 2019—

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 38.100.184.0/21

Prefix
38.100.184.0/21
Announced by
AS400684 Zoom Fiber
Type
Residential
Proxy exits
16
Always-on exits
1
RPKI
No RPKI
Netname
COGENT-A
Registrant
Cogent Communications, LLC
RIR
ARIN
Origin network

AS400684

US
Name
Zoom Fiber
Type
Internet provider
Registered
Apr 26, 2022
Domain
zoomfiber.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed