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Data as of Nov 5, 2026

154.52.36.0/24

No anonymizer space · no proxy exits in 30 days

SD1-Telecom SRL · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS201042
Type
Internet provider
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsRPKI
154.48.0.0/12
since May 2005
AS174Internet provider12,780
2,404 always on

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
154.52.0.0/1665,536COGENT-154-52-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992abuse@cogentco.com
└ 154.52.36.0/24256NET-154-52-36-0-1SD1 Telecom (C09300654) · BEReassignedMar 14, 2023abuse@cogentco.com
via COGENT-154-52-16

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
154.52.0.0/16
Registration type
Direct Allocation
Record created
Feb 5, 1992
Legacy
yes
Origin network

AS201042

BE
Name
SD1-Telecom SRL
Type
Internet provider
Registered
Nov 30, 2022
Domain
sd1.be
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed