OPTUS
Cluster stats
Netblocks38
All fragments 91 blocks across 7 clusters
Cluster ID193124381
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 22 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
38 0 netblocks since 2026-07-05
2026-07-05 peak 38 2026-07-06

IP Ranges (38)

⬇ export CSV
CIDR Org name Registry Status Confidence
59.154.35.96/28 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.35.112/29 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.37.64/28 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.37.80/28 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.49.72/29 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.49.80/29 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.85.104/29 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.91.180/30 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.111.44/30 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.120.128/25 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.160.72/30 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.160.88/30 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.175.16/29 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.175.28/30 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.176.28/30 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.179.12/30 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.205.228/30 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
59.154.218.24/29 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
61.88.34.224/29 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
61.88.34.232/29 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
61.88.43.0/28 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
61.88.43.24/29 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
61.88.43.32/27 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
61.88.130.56/29 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
61.88.130.152/30 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
103.21.173.80/28 Optus APNIC ASSIGNED NON-PORTABLE ● low
103.21.173.224/27 Optus APNIC ASSIGNED NON-PORTABLE ● low
103.137.228.0/23 OPTUS APNIC ALLOCATED PORTABLE ● low
111.93.241.232/29 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
119.225.116.16/29 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
119.225.116.32/28 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
138.252.194.0/23 OPTUS APNIC ALLOCATED PORTABLE ● low
195.89.154.232/29 OPTUS RIPE ASSIGNED PA ● low
203.202.174.0/25 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
203.202.174.128/27 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
203.202.174.160/27 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
203.202.174.192/27 OPTUS APNIC ASSIGNED NON-PORTABLE ● low
2001:df6:4d40::/48 OPTUS APNIC ASSIGNED PORTABLE ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
94.7% of checked blocks have valid RPKI ROA coverage (36 of 38)
Possible discrepancies (1)

These blocks are registered to OPTUS but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

103.137.228.0/23 /23 authorized for AS135654 — Internet @ Home Limited

NIC Handles

AO468-AP APNIC-HM AT1287-AP AW953-AP DUMY-RIPE DUMY-RIPE MAINT-IN-IRINN MAINT-IN-TTSLMEIS MAINT-OPTUSCOM-AP MAINT-WIRELESSNATION-NZ NM2048-AP OA3-AP +10 more