SingTel Optus Pty Ltd

DPT
BGP inherited
Cluster stats
Netblocks6
All fragments 16 blocks across 5 clusters
Cluster ID206531130
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

4 weekly snapshots · JSON
6 0 netblocks since 2026-07-05
2026-07-05 peak 6 2026-07-13

IP Ranges (6)

⬇ export CSV
CIDR Org name Registry Status Confidence
185.0.20.44/32 DPT PEERINGDB ASSIGNED ● high
185.0.21.44/32 DPT PEERINGDB ASSIGNED ● high
2001:7f8:7f::44/128 DPT PEERINGDB ASSIGNED ● high
2001:7f8:7f::c:44/128 DPT PEERINGDB ASSIGNED ● high
59.154.205.220/30 DPT APNIC ASSIGNED NON-PORTABLE ● low
61.19.57.0/24 DPT-NET APNIC ALLOCATED NON-PORTABLE ● low

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 (1)

These blocks are registered to DPT 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.

61.19.57.0/24 /24 authorized for AS9931 — National Telecom Public Company Limited

NIC Handles

AN3307-AP AS210139 MAINT-NTPCL-TH MAINT-OPTUSCOM-AP OA3-AP OA3-AP WW2644-AP WW2644-AP