ALTRON DATA LIMITED
BGP inherited
Cluster stats
Netblocks9
All fragments 158 blocks across 3 clusters
Cluster ID191772293
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
9 0 netblocks since 2026-07-05
2026-07-05 peak 9 2026-07-06

IP Ranges (9)

⬇ export CSV
CIDR Org name Registry Status Confidence
138.252.223.0/24 ALTRON DATA LIMITED APNIC ASSIGNED PORTABLE ● high
138.252.228.0/24 ALTRON DATA LIMITED BGP ANNOUNCED ● high
138.252.228.0/23 ALTRON DATA LIMITED APNIC ASSIGNED PORTABLE ● high
138.252.229.0/24 ALTRON DATA LIMITED BGP ANNOUNCED ● high
2001:df6:55c0::/48 ALTRON DATA LIMITED APNIC ASSIGNED PORTABLE ● high
81.0.227.144/29 Altron-CZ RIPE ASSIGNED PA ● low
89.111.69.64/30 ALTRON-NET1 RIPE ASSIGNED PA ● low
193.85.239.128/28 ALTRON-CZ RIPE ASSIGNED PA ● low
217.172.150.160/27 Altron-SK RIPE ASSIGNED PA ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
77.8% of checked blocks have valid RPKI ROA coverage (7 of 9)
No discrepancies found among checked blocks.

NIC Handles

AA2971-AP ADLA7-AP ADLA7-AP APNIC-HM AS137211 CASABLANCA-RIPE-MNT CEZNETAS-MNT DUMY-RIPE DUMY-RIPE GTSCZ-MNT GTSSK-MNT ORG-ADL8-AP +1 more