SYD

BGP inherited
Cluster stats
Netblocks8 · 1,849 IPv4 addresses
Registered in Australia (3) · United States (2) · China (1) · New Zealand (1)
All fragments 22 blocks across 11 clusters
Cluster ID210678589
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 23 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 (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
123.127.87.128/26 SYD APNIC ASSIGNED NON-PORTABLE ● high
2001:67c:1154::/48 SYD-NET RIPE ASSIGNED PI ● high
103.15.72.0/24 SYD-WAN APNIC ASSIGNED NON-PORTABLE ● medium
103.15.73.0/24 SYD-CLOUD APNIC ASSIGNED NON-PORTABLE ● medium
103.55.148.0/23 SYD APNIC ALLOCATED NON-PORTABLE ● low
103.241.87.0/24 SYD APNIC ALLOCATED NON-PORTABLE ● low
146.112.146.0/24 SYD RIPE LEGACY ● low
185.167.191.0/24 SYD RIPE ASSIGNED PA ● low

Domains hosted in this network

what's this?
mastercard.com

Network trust

what's this?
RPKI hygiene: C how networks compare →
75.0% of checked blocks have valid RPKI ROA coverage (6 of 8)
Possible discrepancies (5)

These blocks are registered to SYD but cryptographically authorized for a different, unrelated network (5 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

103.55.148.0/23 /23 authorized for AS26380 — MasterCard Technologies LLC
185.167.191.0/24 /24 authorized for AS4826 — VOCUS PTY LTD
146.112.146.0/24 /24 authorized for AS36692 — Cisco OpenDNS, LLC
103.15.73.0/24 /24 authorized for AS132370 — Civica Pty Limited
103.241.87.0/24 /24 authorized for AS16509 — Amazon.com, Inc.

NIC Handles

AC2018-AP AM2964-AP AR918-AP DUMY-RIPE DUMY-RIPE LR597-AP LR597-AP MAAP1-AP MAAP1-AP MAINT-CIVICA-NET6-AU MAINT-CNCGROUP-BJ MAINT-MASTERCARD-AU +11 more