James Cook University
Cluster stats
Netblocks14
All fragments 15 blocks across 2 clusters
Cluster ID191772070
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 6 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
14 0 netblocks since 2026-07-05
2026-07-05 peak 14 2026-07-06

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
137.219.0.0/18 James Cook University BGP ANNOUNCED ● high
137.219.0.0/16 James Cook University BGP ANNOUNCED ● high
137.219.0.0/16 James Cook University APNIC ALLOCATED PORTABLE ● high
137.219.64.0/18 James Cook University BGP ANNOUNCED ● high
137.219.128.0/18 James Cook University BGP ANNOUNCED ● high
137.219.192.0/22 James Cook University BGP ANNOUNCED ● high
137.219.196.0/22 James Cook University BGP ANNOUNCED ● high
137.219.200.0/22 James Cook University BGP ANNOUNCED ● high
137.219.204.0/22 James Cook University BGP ANNOUNCED ● high
137.219.208.0/22 James Cook University BGP ANNOUNCED ● high
137.219.218.0/24 James Cook University BGP ANNOUNCED ● high
137.219.220.0/22 James Cook University BGP ANNOUNCED ● high
202.6.115.0/24 James Cook University APNIC ASSIGNED PORTABLE ● low
203.56.176.0/24 James Cook University APNIC ASSIGNED PORTABLE ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (14 of 14)
Possible discrepancies (2)

These blocks are registered to James Cook University 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.

203.56.176.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
202.6.115.0/24 /24 authorized for AS14618 — Amazon.com, Inc.

NIC Handles

AJ412-AP APNIC-HM AS24434 GR430-AP GR430-AP ORG-JCU2-AP