ROCKWOOL A/S

Rockwool A/S
Data as of 2026-08-16
GLEIF verified
LEI
213800QRC7LNX935OZ09
Registered name
ROCKWOOL A/S
Jurisdiction
DK
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks32 · 1,748 IPv4 addresses
IPv6 2 prefixes (largest 2001:67c:2768::/48)
Registered in United States (12) · Denmark (6) · Germany (3) · Netherlands (2) · Norway (2) · Croatia (1)
Cluster ID222387146
RegistryAPNIC
Owner jurisdictionDK
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 213800QRC7LNX935OZ09
Shared handles clustered on 27 shared RIR contact/maintainer handles
Registry names 17 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

8 weekly snapshots · JSON
32 -2 netblocks since 2026-07-05
2026-07-05 peak 34 2026-08-16

IP Ranges (32)

⬇ export CSV
CIDR Org name Registry Status Confidence
130.226.173.16/29 Rockwool Kollegiet RIPE ASSIGNED PA ● high
194.50.62.0/24 Rockwool A/S BGP ANNOUNCED ● high
195.191.108.0/23 Rockwool A/S RIPE ASSIGNED PI ● high
195.191.108.0/24 Rockwool A/S BGP ANNOUNCED ● high
195.191.109.0/24 Rockwool A/S BGP ANNOUNCED ● high
2001:67c:2768::/48 Rockwool A/S RIPE ASSIGNED PI ● high
2001:878:930::/48 Rockwool Kollegiet RIPE ASSIGNED ● high
85.19.218.32/29 ROCKWOOL-AS-NET RIPE ASSIGNED PA ● low
88.79.66.152/29 rockwool-NET RIPE ASSIGNED PA ● low
103.230.250.184/29 ROCKWOOL-INTERNATIONAL-GTT APNIC ALLOCATED NON-PORTABLE ● low
136.255.135.176/29 Rockwool RIPE ASSIGNED PA ● low
151.248.55.40/29 Rockwool_NET RIPE ASSIGNED PA ● low
154.14.224.224/29 ROCKWOOL-INTERNATIONAL-GTT RIPE LEGACY ● low
194.192.78.0/23 ROCKWOOL RIPE ASSIGNED PA ● low
194.239.97.0/24 ROCKWOOL-NET RIPE ASSIGNED PA ● low
195.29.90.48/30 rockwool RIPE ASSIGNED PA ● low
195.70.177.72/29 ROCKWOOL-INTERNATIONAL-AS-NET RIPE ASSIGNED PA ● low
195.126.126.24/29 ROCKWOOL-LAN RIPE ASSIGNED PA ● low
212.56.16.176/29 ROCKWOOL-LIMITED-GTT RIPE ASSIGNED PA ● low
212.81.65.96/29 ROCKWOOL-GTT RIPE ASSIGNED PA ● low
212.81.72.216/29 ROCKWOOL-GTT RIPE ASSIGNED PA ● low
212.81.72.224/29 ROCKWOOL-GTT RIPE ASSIGNED PA ● low
212.81.110.176/29 ROCKWOOL-GTT RIPE ASSIGNED PA ● low
212.115.140.48/29 ROCKWOOL-INTERNATIONAL-GTT RIPE ASSIGNED PA ● low
212.115.143.40/29 ROCKWOOL-INTERNATIONAL-GTT RIPE ASSIGNED PA ● low
212.136.199.48/29 ROCKWOOL RIPE ASSIGNED PA ● low
212.144.250.64/27 ROCKWOOL-NET RIPE ASSIGNED PA ● low
212.221.15.152/29 ROCKWOOL-INTERNATIONAL-AS-GTT RIPE ASSIGNED PA ● low
212.221.114.224/29 ROCKWOOL-GTT RIPE ASSIGNED PA ● low
212.221.122.136/29 ROCKWOOL-INTERNATIONAL-GTT RIPE ASSIGNED PA ● low
212.222.137.176/29 ROCKWOOL-GTT RIPE ASSIGNED PA ● low
213.235.11.48/29 ROCKWOOL-LIMITED-GTT RIPE ASSIGNED PA ● low

IPv6 ranges (2)

CIDR
2001:67c:2768::/48
2001:878:930::/48

Network trust

what's this?
RPKI hygiene: C how networks compare →
71.9% of checked blocks have valid RPKI ROA coverage (23 of 32)
Possible discrepancies (3)

These blocks are registered to Rockwool A/S but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:878:930::/48 /48 authorized for AS1835 — Forskningsnettet - Danish network for Research and Education
194.192.78.0/23 /23 authorized for AS3292 — TDC Holding A/S
194.239.97.0/24 /24 authorized for AS3292 — TDC Holding A/S

NIC Handles

AG890-AP ARCOR-MNT AS12302-MNT AS1835-MNT AS198206 AS3257-IPAM-MNT AS3292-MNT AS3292-MNT AS9120-MNT DEIC-MNT DKNET-MNT DUMY-RIPE +15 more