YSZ-CO

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks3
IPv6 1 prefix (largest 2a02:afc1::/32)
All fragments 30 blocks across 2 clusters
Cluster ID214588599
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (3)

⬇ export CSV
CIDR Org name Registry Status Confidence
123.127.2.56/29 YSZ-CO APNIC ASSIGNED NON-PORTABLE ● high
123.127.3.192/29 YSZ-CO APNIC ASSIGNED NON-PORTABLE ● high
2a02:afc1::/32 YSZ RIPE ALLOCATED-BY-LIR ● low

IPv6 ranges (1)

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (3 of 3)
Possible discrepancies (1)

These blocks are registered to YSZ-CO 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.

2a02:afc1::/32 /32 authorized for AS55201 — SkyQuantum Internet Service

NIC Handles

DUMY-RIPE DUMY-RIPE LC1266-AP LC1266-AP LC1267-AP LC1267-AP MAINT-CNCGROUP-BJ mnt-hk-ipv4superhub-1