Implenia AG

Implenia AB

GLEIF verified

LEI

52990006TKCUQQJ79B11

Registered name

Implenia AG

Jurisdiction

Ultimate parent

No parent on file in GLEIF

Cluster stats

Netblocks	7
Registered in	Sweden (5) · Switzerland (1)
All fragments	22 blocks across 11 clusters
Cluster ID	210120120
Registry	RIPE
Owner jurisdiction	CH
Customers	find customers using this network →

Evidence & provenance ?

Attribution	GLEIF legal-entity match
Legal identity	LEI 52990006TKCUQQJ79B11
Shared handles	clustered on 6 shared RIR contact/maintainer handles
Registry names	3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON

8 0 netblocks since 2026-07-05

2026-07-05 peak 8 2026-07-19

IP Ranges (7)

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
79.142.244.56/29	Implenia AB	RIPE	ASSIGNED PA	● high
79.142.250.32/29	Implenia AB	RIPE	ASSIGNED PA	● high
79.142.250.40/29	Implenia AB	RIPE	ASSIGNED PA	● high
79.142.254.176/29	Implenia AB	RIPE	ASSIGNED PA	● high
79.142.255.88/29	Implenia AB	RIPE	ASSIGNED PA	● high
194.209.46.80/29	IMPLENIA-NET	RIPE	ASSIGNED PA	● low
2001:4dd0:f8da::/48	IMPLENIA-1	RIPE	ASSIGNED	● low

Possibly related to this organisation

what's this?

Same name family

Separately-registered clusters whose names share “Implenia” — often per-country or per-system registrations of the same brand, occasionally a different organisation sharing the name. Not counted in this organisation's own footprint.

IMPLENIA-HOLDING-LAN 3 blocks
IMPLENIA-CONSTRUCTION-BERLIN-NET 2 blocks
IMPLENIA-HOCHBAU-BOBENHEIM-ROXHEIM-NET 2 blocks
IMPLENIA-ERFURT-NET 2 blocks
Implenia-INTERNET 1 blocks
IMPLENIA-HOLDING 1 blocks
Implenia Sverige AB 1 blocks
IMPLENIA-AT 1 blocks

Combined view of all 11 name-family clusters →

Sub-allocations under carriers

IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own naming convention, not a direct registration.

IMPLENIA-HOLDING via Thueringer Netkom GmbH sub-allocation
IMPLENIA-AT via A1 Telekom Austria AG sub-allocation
IMPLENIA-HOLDING-NET1 via SOPRADO GmbH sub-allocation
Implenia Fassadentechnik Gmbh via COLT Technology Services Group Limited sub-allocation
TNSE-CUST-JV-HOCHTIEF-IMPLENIA-AB via Telenor Norge AS sub-allocation
Implenia_Civil_Engineering_GmbH-Net via EWE TEL GmbH sub-allocation
BROADNET-NO-IMPLENIA via GLOBALCONNECT AS sub-allocation
Implenia-INTERNET via CKW Fiber Services AG sub-allocation

Network trust

what's this?

RPKI hygiene: B how networks compare →

85.7% of checked blocks have valid RPKI ROA coverage (6 of 7)

No discrepancies found among checked blocks.

NIC Handles

CH-UNISOURCE-MNT DUMY-RIPE DUMY-RIPE MNT-HPDC NETCOLOGNE-MNT ORG-IA1655-RIPE