LAYER3 INTEL
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Data as of Nov 14, 2026

217.145.48.0/21

No anonymizer space · no proxy exits in 30 days

Sentia Denmark A/S

Announcement
this exact prefix
RPKI valid
Announced by
AS47292
Type
Hosting
Risk
50 / 100 · Medium

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
217.145.48.0/204,096DK-SENTIA-20040406Sentia Denmark A/S (ORG-JA1-RIPE) · DKALLOCATED PAJul 13, 2022abuse@sentia.dk
└ 217.145.48.0/212,048DK-SENTIASentia Denmark A/S (ORG-JA1-RIPE) · DKAGGREGATED-BY-LIRApr 13, 2025abuse@sentia.dk
└ 217.145.48.0/24256INFORCE-NET1Sentia Denmark A/S (ORG-JA1-RIPE) · DKASSIGNED PAApr 6, 2004abuse@sentia.dk
└ 217.145.49.0/24256INFORCE-WEBHOTEL-NET1Sentia Denmark A/S (ORG-JA1-RIPE) · DKASSIGNED PAApr 6, 2004abuse@sentia.dk
└ 217.145.50.0/24256INFORCE-SYNKRON-NET1Sentia Denmark A/S (ORG-JA1-RIPE) · DKASSIGNED PAApr 6, 2004abuse@sentia.dk
└ 217.145.51.0/24256INFORCE-COLOCATION-NET1Sentia Denmark A/S (ORG-JA1-RIPE) · DKASSIGNED PAApr 6, 2004abuse@sentia.dk
└ 217.145.52.0/24256INFORCE-SECUREZONE1Sentia Denmark A/S (ORG-JA1-RIPE) · DKASSIGNED PAApr 6, 2004abuse@sentia.dk
└ 217.145.53.0/24256UNIX-NET1Sentia Denmark A/S (ORG-JA1-RIPE) · DKASSIGNED PADec 7, 2005abuse@sentia.dk
└ 217.145.54.0/24256WINDOWS-NET1Sentia Denmark A/S (ORG-JA1-RIPE) · DKASSIGNED PADec 7, 2005abuse@sentia.dk
└ 217.145.55.0/24256DEDICATED-CMS-NET1Sentia Denmark A/S (ORG-JA1-RIPE) · DKASSIGNED PADec 7, 2005abuse@sentia.dk

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Reactivated
First seen
Jul 2019
Current origin since
Jan 2025 · 1.8 yr
Origin networks
2
Last change of origin
Jan 2025
Recorded history

History

Handoffs
1