Ching Kuo

BGP inherited

Cluster stats

Netblocks	6 · 1,277 IPv4 addresses
Registered in	Japan (2) · Taiwan (1)
Cluster ID	208789061
Registry	APNIC
Customers	find customers using this network →

Evidence & provenance ?

Attribution	BGP parent (inherited)
Shared handles	clustered on 7 shared RIR contact/maintainer handles
Registry names	2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

3 weekly snapshots · JSON

6 0 netblocks since 2026-07-12

2026-07-12 peak 6 2026-07-19

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
103.55.240.0/23	Ching Kuo	APNIC	ASSIGNED PORTABLE	● high
103.55.240.0/24	Ching Kuo	BGP	ANNOUNCED	● high
103.122.116.0/23	Ching Kuo	BGP	ANNOUNCED	● high
2001:df1:b3c0::/48	Ching Kuo	APNIC	ASSIGNED PORTABLE	● high
2001:df1:b3c0::/48	Ching Kuo	BGP	ANNOUNCED	● high
2403:8ec0::/48	Ching Kuo	BGP	ANNOUNCED	● high

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.

TOURISMUSVEREIN-RATSCHINGS sub-allocation
GERMAN-AUTONET-FORD-EICHINGER-POCKING via Deutsche Telekom AG sub-allocation
GERMAN-AUTONET-FORD-STEFANY-GMBH-WECHINGEN via Deutsche Telekom AG sub-allocation
GERMAN-AUTONET-FORD-MR-RITZ-UNTERHACHING via Deutsche Telekom AG sub-allocation
GERMAN-AUTONET-FORD-BUESCHING-UCHTE via Deutsche Telekom AG sub-allocation
GRS-FE-GARCHING via Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. sub-allocation
GERMAN-AUTONET-FORD-RAUSCHER-OLCHING via Deutsche Telekom AG sub-allocation
SWITCHINGNETZ via T-Mobile Austria GmbH sub-allocation

what's this?

RPKI hygiene: B how networks compare →

83.3% of checked blocks have valid RPKI ROA coverage (5 of 6)

No discrepancies found among checked blocks.

AC2640-AP APNIC-HM AS147035 AS150685 CKA2-AP CKA2-AP ORG-CK4-AP