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Data as of Nov 6, 2026

209.146.35.0/24

No anonymizer space · no proxy exits in 30 days

Century Dynamics LLC · space held by Cogent Communications, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS202436
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Jun 2026
from AS398808 Arch Capital Services LLC, after 2.2 years unannounced

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
209.146.0.0/17
since May 2005
AS174Internet provider64
14 always on
Cogent 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
209.146.0.0/1732,768COGENT-IDCI-0001Cogent Communications, LLC (COGC) · USDirect AllocationOct 3, 1997abuse@cogentco.com
└ 209.146.35.0/24256CDYNAMICS-CGNT-NET-1Limited Liability Company Century Dynamics (C11617178) · UZReassignedJun 9, 2026abuse@cogentco.com
via COGENT-IDCI-0001

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

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
209.146.0.0/17
Registration type
Direct Allocation
Record created
Oct 3, 1997
Legacy
yes
Origin network

AS202436

UZ
Name
Century Dynamics LLC
Type
Hosting
Registered
Jan 9, 2026
Domain
macloud.pro
Spamhaus ASN-DROP
not listed