YIYUAN CHEN

Data as of 2026-08-30
BGP inherited
Cluster stats
Netblocks17
IPv6 17 prefixes (largest 2a0f:a140::/29)
Cluster ID232353350
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 17 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

3 weekly snapshots · JSON
18 +10 netblocks since 2026-08-16
2026-08-16 peak 18 2026-08-30

IP Ranges (17)

⬇ export CSV
CIDR Org name Registry Status Confidence
2602:fa02:d00::/40 YIYUAN CHEN BGP ANNOUNCED ● high
2a05:1086:8000::/33 YIYUAN CHEN BGP ANNOUNCED ● high
2a06:de07:f800::/38 YIYUAN CHEN BGP ANNOUNCED ● high
2a07:e000:20::/44 YIYUAN CHEN BGP ANNOUNCED ● high
2a09:3f00:6400::/38 YIYUAN CHEN BGP ANNOUNCED ● high
2a0a:d682:e000::/36 YIYUAN CHEN BGP ANNOUNCED ● high
2a0c:e641::/33 YIYUAN CHEN BGP ANNOUNCED ● high
2a0c:e641::/32 YIYUAN CHEN BGP ANNOUNCED ● high
2a0e:4001:9800::/37 YIYUAN CHEN BGP ANNOUNCED ● high
2a0f:6280:f400::/38 YIYUAN CHEN BGP ANNOUNCED ● high
2a0f:6281::/33 YIYUAN CHEN BGP ANNOUNCED ● high
2a0f:6281:8000::/33 YIYUAN CHEN BGP ANNOUNCED ● high
2a0f:a140::/29 YIYUAN CHEN BGP ANNOUNCED ● high
2a10:fa86:3000::/36 YIYUAN CHEN BGP ANNOUNCED ● high
2a14:7581:5800::/40 YIYUAN CHEN BGP ANNOUNCED ● high
2a0a:d687:ff02::/48 YIYUAN CHEN RIPE ASSIGNED ● low
2a0d:d941::/36 YIYUAN CHEN RIPE ALLOCATED-BY-LIR ● low

IPv6 ranges (17)

showing the 15 largest allocations
CIDR
2a0f:a140::/29
2a0c:e641::/32
2a05:1086:8000::/33
2a0c:e641::/33
2a0f:6281:8000::/33
2a0f:6281::/33
2a0a:d682:e000::/36
2a0d:d941::/36
2a10:fa86:3000::/36
2a0e:4001:9800::/37
2a06:de07:f800::/38
2a09:3f00:6400::/38
2a0f:6280:f400::/38
2602:fa02:d00::/40
2a14:7581:5800::/40

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (18 of 18)
Possible discrepancies (7)

These blocks are registered to YIYUAN CHEN but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a0c:e641::/32 /32 authorized for AS219283 — Haohao Zhang
2a05:1086:8000::/33 /33 authorized for AS219283 — Haohao Zhang
2a0c:e641::/33 /33 authorized for AS219283 — Haohao Zhang
2a10:fa86:3000::/36 /36 authorized for AS219283 — Haohao Zhang
2a0d:d941::/36 /36 authorized for AS219208 — MAOQUN QIU
2a06:de07:f800::/38 /38 authorized for AS219283 — Haohao Zhang
2a06:de07:f800::/38 /38 authorized for AS219283 — Haohao Zhang

NIC Handles

AS219207 AS219283 AS26042 DUMY-RIPE DUMY-RIPE DreamServer FIBERSTATE-MNT HAOHAO-ZHANG-MNT HYEHOST-MNT MNT-DGTL MQQ-MNT NBDHM-MNT +5 more