HARPERCOLLINS PUBLISHERS LIMITED
HARPER COLLINS PUBLISHERS INC.
GLEIF verified
LEI
549300QVNE7BJCU36M26
Registered name
HARPERCOLLINS PUBLISHERS LIMITED
Jurisdiction
GB
Ultimate parent
NEWS CORPORATION
549300ITS31QK8VRBQ14
Cluster stats
Netblocks7
All fragments 20 blocks across 11 clusters
Cluster ID191663412
RegistryAPNIC
Owner jurisdictionGB
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300QVNE7BJCU36M26
Shared handles clustered on 16 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

3 weekly snapshots · JSON
7 0 netblocks since 2026-07-05
2026-07-05 peak 7 2026-07-12

IP Ranges (7)

⬇ export CSV
CIDR Org name Registry Status Confidence
38.113.187.0/24 HARPER COLLINS PUBLISHERS INC. BGP ANNOUNCED ● high
42.61.44.104/29 HARPER-SG APNIC ASSIGNED NON-PORTABLE ● high
199.201.0.0/21 HARPER COLLINS PUBLISHERS INC. ARIN ● high
199.201.6.0/24 HARPER COLLINS PUBLISHERS INC. BGP ANNOUNCED ● high
199.201.7.0/24 HARPER COLLINS PUBLISHERS INC. BGP ANNOUNCED ● high
2a00:2381:e629::/48 HARPER-MAY RIPE AGGREGATED-BY-LIR ● low
2a02:2318:5404::/48 HARPER-V6 RIPE ASSIGNED ● low

Corporate group (3 confirmed entities)

Network trust

what's this?
RPKI hygiene: D how networks compare →
28.6% of checked blocks have valid RPKI ROA coverage (2 of 7)
Possible discrepancies (1)

These blocks are registered to HARPER COLLINS PUBLISHERS INC. 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.

2a00:2381:e629::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

AMBRU-ARIN AMBRU-ARIN AS14611 AS15766-MNT AS2068-AP BTNET-MNT DUMY-RIPE DUMY-RIPE HCP-11 KH631-AP MAINT-SG-SINGNET RM514-ARIN +4 more