Building Connect Pty Ltd

BGP inherited

Cluster stats

Netblocks	6 · 2,560 IPv4 addresses
Registered in	Australia (2) · Switzerland (1) · China (1)
Cluster ID	210260661
Registry	APNIC
Customers	find customers using this network →

Evidence & provenance ?

Attribution	BGP parent (inherited)
Shared handles	clustered on 13 shared RIR contact/maintainer handles
Registry names	5 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 (6)

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
103.97.220.0/22	Building Connect Pty Ltd	BGP	ANNOUNCED	● high
58.246.70.212/30	Building-OO	APNIC	ASSIGNED NON-PORTABLE	● low
103.97.220.0/22	Building Connect Pty Ltd	APNIC	ALLOCATED PORTABLE	● low
213.158.146.0/23	BUILDING-CONNECT	RIPE	ASSIGNED PA	● low
2401:8ec0::/32	Building Connect Pty Ltd	APNIC	ALLOCATED PORTABLE	● low
2a00:2381:2a88::/48	BUILDING-AIR	RIPE	AGGREGATED-BY-LIR	● low

Possibly related to this organisation

what's this?

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.

Building Connect via COLT Technology Services Group Limited sub-allocation
New World Center building shudian Interconnection IP sub-allocation

Network trust

what's this?

RPKI hygiene: D how networks compare →

33.3% of checked blocks have valid RPKI ROA coverage (2 of 6)

Possible discrepancies (2)

These blocks are registered to Building Connect Pty Ltd 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.

2a00:2381:2a88::/48 /48	authorized for AS2856 — British Telecommunications Limited
213.158.146.0/23 /23	authorized for AS15623 — Cyberlink AG

NIC Handles

AB1205-AP APNIC-HM AS134093 BCPL5-AP BCPL5-AP BTNET-MNT CYBERLINK-MNT DUMY-RIPE DUMY-RIPE MAINT-CNCGROUP-SH ORG-BCPL1-AP YR194-AP +1 more