LAYER3 INTEL
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Data as of Nov 13, 2026

212.3.12.0/23

No anonymizer space · no proxy exits in 30 days

Gotalandsnatet AB · space held by Leissner Data AB

Announcement
this exact prefix
No RPKI
Announced by
AS12597
Type
Residential
80% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
212.3.0.0/20
since May 2005
AS12597Residential85Leissner Data AB
212.3.0.0/19
since May 2005
AS12597Residential116Leissner Data AB

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
212.3.0.0/198,192SE-LEISSNER-980312Leissner Data AB (ORG-LDA2-RIPE) · SEALLOCATED PAOct 12, 2001abuse@leissner.se
└ 212.3.12.32/2732SE-GOTANET-MOBILEunknownASSIGNED PAFeb 7, 2021abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.12.64/298SE-GOTANET-FEVunknownASSIGNED PAJul 21, 2017abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.12.72/298SE-GOTANET-SERVERSunknownASSIGNED PAJul 21, 2017abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.12.80/2816SE-GOTANET-MOBILEunknownASSIGNED PAFeb 19, 2026abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.12.104/298SE-GOTANET-TV2STADunknownASSIGNED PAJul 21, 2017abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.12.112/2816SE-GOTANET-SERVERSunknownASSIGNED PAJul 21, 2017abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.12.128/2816SE-GOTANET-SUPPLIER-PARTNERunknownASSIGNED PAJul 21, 2017abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.12.144/2816SE-GOTANET-INFRASTRUCTUREunknownASSIGNED PAJul 24, 2017abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.12.160/2732SE-GOTANET-INFRASTRUCTUREunknownASSIGNED PAJul 24, 2017abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.12.192/2664SE-GOTANET-INFRASTRUCTUREunknownASSIGNED PAJul 24, 2017abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.13.16/298SE-GOTANET-INFRASTRUCTUREunknownASSIGNED PAJul 24, 2017abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.13.32/2732SE-M10-FAST-ACCESSunknownASSIGNED PAOct 21, 2009abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.13.64/2816SE-GOTANET-INNOVATUMunknownASSIGNED PAApr 26, 2013abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.13.80/298SE-GOTANET-INFRASTRUCTUREunknownASSIGNED PAJul 24, 2017abuse@leissner.se
via SE-LEISSNER-980312
└ 212.3.13.128/25128SE-GOTANET-SWEDENBORGSwedenborg Student ApartmentsASSIGNED PAAug 4, 2009abuse@leissner.se
via SE-LEISSNER-980312

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

512 addresses
TypeAddressesShareRanges
Residential40880%5
Mobile489.4%2
Business326.3%1
Hosting244.7%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Mar 2010
Current origin since
Mar 2010 · 17 yr
Origin networks
1