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Data as of Nov 7, 2026

178.21.88.0/21

No anonymizer space · no proxy exits in 30 days

Sinal A/S

Announcement
this exact prefix
RPKI valid
Announced by
AS39642
Type
Business
78% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
178.21.90.0/23
since Aug 2025
AS50490BusinessSinal A/S
178.21.92.0/22
since Aug 2025
AS50490BusinessSinal A/S

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
178.21.88.0/212,048DK-EM-NET-20100311Sinal A/S (ORG-EA200-RIPE) · DKALLOCATED PAMar 11, 2010abuse@norlys.dk
└ 178.21.88.0/24256Mercantec-EduInfrastrukturASSIGNED PAJan 9, 2017abuse@norlys.dk
via DK-EM-NET-20100311
└ 178.21.89.0/2664Bo_DataInfrastrukturASSIGNED PADec 9, 2019abuse@norlys.dk
via DK-EM-NET-20100311

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

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

2,048 addresses
TypeAddressesShareRanges
Business1,60078%3
Internet provider44822%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS39642

DK
Name
Sinal A/S
Type
Internet provider
Registered
Mar 31, 2006
Domain
sinal.dk
Website
sinal.dk/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed