POST-OFFICE
Cluster stats
Netblocks4
All fragments 11 blocks across 8 clusters
Cluster ID193097328
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 11 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (4)

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CIDR Org name Registry Status Confidence
219.129.164.100/30 POST-OFFICE APNIC ASSIGNED NON-PORTABLE ● high
222.66.127.88/30 POST-OFFICE APNIC ASSIGNED NON-PORTABLE ● high
222.66.127.88/29 POST-OFFICE APNIC ASSIGNED NON-PORTABLE ● high
2a00:2381:171f::/48 POST-OFFICE RIPE AGGREGATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
75.0% of checked blocks have valid RPKI ROA coverage (3 of 4)
No discrepancies found among checked blocks.

NIC Handles

BTNET-MNT CK237-AP CK237-AP DUMY-RIPE DUMY-RIPE MAINT-CHINANET-GD MAINT-CHINANET-SH ZMJ22-AP ZMJ22-AP ZMJ24-AP ZMJ24-AP