Yonghan Ching

Data as of 2026-08-16

BGP inherited

Cluster stats

Netblocks	16
IPv6	16 prefixes (largest 2a01:e281:aa00::/40)
Cluster ID	222418066
Registry	BGP
Customers	find 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

Footprint over time

8 weekly snapshots · JSON

18 +7 netblocks since 2026-07-05

2026-07-05 peak 18 2026-08-16

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
2a01:e281:aa00::/40	Yonghan Ching	BGP	ANNOUNCED	● high
2a01:e281:aab1::/48	Yonghan Ching	BGP	ANNOUNCED	● high
2a01:e281:aab2::/48	Yonghan Ching	BGP	ANNOUNCED	● high
2a01:e281:aab3::/48	Yonghan Ching	BGP	ANNOUNCED	● high
2a01:e281:aab4::/48	Yonghan Ching	BGP	ANNOUNCED	● high
2a01:e281:aafa::/48	Yonghan Ching	BGP	ANNOUNCED	● high
2a01:e281:aafb::/48	Yonghan Ching	BGP	ANNOUNCED	● high
2a01:e281:aafc::/48	Yonghan Ching	BGP	ANNOUNCED	● high
2a01:e281:aafd::/48	Yonghan Ching	BGP	ANNOUNCED	● high
2a01:e281:aafe::/48	Yonghan Ching	BGP	ANNOUNCED	● high
2a01:e281:aaff::/48	Yonghan Ching	BGP	ANNOUNCED	● high
2a06:a005:4b0::/44	Yonghan Ching	BGP	ANNOUNCED	● high
2a06:a005:4b0::/48	Yonghan Ching	BGP	ANNOUNCED	● high
2a06:a005:4b1::/48	Yonghan Ching	BGP	ANNOUNCED	● high
2a06:a005:4b2::/48	Yonghan Ching	BGP	ANNOUNCED	● high
2a0e:b107:270::/48	Yonghan Ching	BGP	ANNOUNCED	● high

showing the 15 largest allocations

what's this?

RPKI hygiene: A how networks compare →

100.0% of checked blocks have valid RPKI ROA coverage (18 of 18)

No discrepancies found among checked blocks.

AS207852 DUMY-RIPE DUMY-RIPE F4-MNT ORG-YC22-RIPE SBMT y525-mntner y525-mntner