Yichen Shi

BGP inherited

Cluster stats

Netblocks	7
Cluster ID	211758421
Registry	APNIC
Customers	find customers using this network →

Evidence & provenance ?

Attribution	BGP parent (inherited)
Shared handles	clustered on 12 shared RIR contact/maintainer handles
Registry names	4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON

9 0 netblocks since 2026-07-05

2026-07-05 peak 9 2026-07-19

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
222.66.89.68/30	YICHEN-CO	APNIC	ASSIGNED NON-PORTABLE	● high
2a0c:b641:9e0::/44	Yichen Shi	RIPE	ALLOCATED-BY-LIR	● high
2a0c:b641:9e0::/48	Yichen Shi	RIPE	ASSIGNED	● high
2a0c:b641:9e0::/48	Yichen Shi	BGP	ANNOUNCED	● high
2a0c:b641:9e1::/48	Yichen Shi	RIPE	ASSIGNED	● high
2a0c:b641:9e1::/48	Yichen Shi	BGP	ANNOUNCED	● high
2a14:7c0:4d00::/40	YICHEN LING	RIPE	ALLOCATED-BY-LIR	● low

what's this?

Sub-allocations under carriers

IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own naming convention, not a direct registration.

yangzhou-JD-YICHENGWANGBA-NETBAR via No.31,Jin-rong Street sub-allocation
YICHENG-TELECOM-BUREAU via No.31,Jin-rong Street sub-allocation
Tianmingdiyicheng-10M-zhuanxian via CNCGROUP IP network of ShangHai IDC sub-allocation
Jining-Yicheng-netbar via No.31,Jin-rong Street sub-allocation
YICHENG-INFOTECH-LP via Hetzner Online GmbH sub-allocation
QIANYICHENG via CNCGROUP IP network of ShangHai IDC sub-allocation
Yichengnuo Ltd via TIANJIN Provincial Net of CT sub-allocation
Yichengwangba Netbar via TIANJIN Provincial Net of CT sub-allocation

what's this?

RPKI hygiene: A how networks compare →

100.0% of checked blocks have valid RPKI ROA coverage (7 of 7)

No discrepancies found among checked blocks.

AS200720 AsaiNetwork-MNT DUMY-RIPE DUMY-RIPE LYC-MNT MAINT-CHINANET-SH ORG-AN251-RIPE ORG-YL123-RIPE SERVPERSO-MNT WHITELABEL-MNT XZR9-AP XZR9-AP