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Data as of Nov 5, 2026

154.21.215.0/24

No anonymizer space · no proxy exits in 30 days

HostCircle B.V. · space held by Cogent Communications, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS56504
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Sep 28, 2026
from AS174 Cogent Communications, LLC

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
154.21.0.0/16
since Sep 2018
AS174Internet provider282
45 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
154.21.0.0/1665,536COGENT-154-21-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992abuse@cogentco.com
└ 154.21.214.0/23512NET-154-21-214-0-1Great King Electric Co, LTD. (C07507266) · GBReassignedFeb 19, 2020abuse@cogentco.com
via COGENT-154-21-16

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
154.21.0.0/16
Registration type
Direct Allocation
Record created
Feb 5, 1992
Legacy
yes
Origin network

AS56504

NL
Name
HostCircle B.V.
Type
Hosting
Registered
Aug 17, 2021
Domain
hostcircle.nl
Website
hostcircle.nl
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed