BUILDING S.P.A.

Building LLC
GLEIF verified
LEI
815600D6247D52871D05
Registered name
BUILDING S.P.A.
Jurisdiction
IT
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks7 · 282 IPv4 addresses
Registered in China (3) · Germany (1) · Luxembourg (1) · VG (1)
All fragments 80 blocks across 46 clusters
Cluster ID210228975
RegistryAPNIC
Owner jurisdictionIT
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 815600D6247D52871D05
Shared handles clustered on 14 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
7 0 netblocks since 2026-07-05
2026-07-05 peak 7 2026-07-19

IP Ranges (7)

⬇ export CSV
CIDR Org name Registry Status Confidence
116.228.29.204/30 BUILDING-CO APNIC ASSIGNED NON-PORTABLE ● high
116.228.42.176/29 BUILDING-CO APNIC ASSIGNED NON-PORTABLE ● high
116.228.243.128/30 BUILDING-CO APNIC ASSIGNED NON-PORTABLE ● high
193.0.201.0/24 Building LLC RIPE ASSIGNED PA ● high
151.189.253.88/29 BUILDING-NET RIPE ASSIGNED PA ● low
178.254.116.216/29 BUILDING RIPE ASSIGNED PA ● low
2a00:2381:3fa9::/48 BUILDING RIPE AGGREGATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (7 of 7)
Possible discrepancies (2)

These blocks are registered to Building LLC 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.

2a00:2381:3fa9::/48 /48 authorized for AS2856 — British Telecommunications Limited
193.0.201.0/24 /24 authorized for AS14576 — Hosting Solution Ltd.

NIC Handles

ARCOR-MNT AS6661-MNT BTNET-MNT CXF13-AP CXF13-AP DUMY-RIPE DUMY-RIPE FL463-AP FL463-AP MAINT-CHINANET-SH NETWORK-SUPPORT-MNT ORG-BL567-RIPE +2 more