BUILDING S.P.A.
Building LLC
GLEIF verified
LEI
815600D6247D52871D05
Registered name
BUILDING S.P.A.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 7 · 282 IPv4 addresses |
| Registered in | China (3) · Germany (1) · Luxembourg (1) · VG (1) |
| All fragments | 80 blocks across 46 clusters |
| Cluster ID | 210228975 |
| Registry | APNIC |
| Owner jurisdiction | IT |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 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 |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “Building” — 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.
- BUILDING-CONSULTANTS-UND-INNOVATORS-GMBH 11 blocks
- Building Connect Pty Ltd 6 blocks
- Building Support Services SRL 3 blocks
- BUILDING-PRODUCT-DESIGN 3 blocks
- BUILDING-AUTOMATION-SOLUTIONS-LTD 2 blocks
- BUILDING-CONSULTING-LU 2 blocks
- BUILDING DESIGN PARTNERSHIP LIMITED 2 blocks
- BUILDING-SERVICES-DESIGN-47803 2 blocks
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.
- INVENSYSBUILDINGNET-PL via Netia SA sub-allocation
- Intbuilding sub-allocation
- WICKES-BUILDINGS-NET sub-allocation
- NETBUILDING sub-allocation
- BUILDING-INFORMATION-WAREHOUSE-THE via Telstra International Limited sub-allocation
- SIEMENS-BUILDING-NET via Telia Finland Oyj sub-allocation
- Building System Vertriebs via T-Mobile Austria GmbH sub-allocation
- AIRDATA-BUILDING-AGENCY-ONLINE sub-allocation
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