Yamanashi CATV Co, . ltd

Yamanashi CATV Co,. ltd

Data as of 2026-08-09

BGP inherited

Cluster stats

Netblocks	8 · 4,098 IPv4 addresses
IPv6	3 prefixes (largest 2402:73c0::/32)
Cluster ID	218176586
Registry	BGP
Customers	find customers using this network →

Evidence & provenance ?

Attribution	BGP parent (inherited)
Shared handles	clustered on 2 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

7 weekly snapshots · JSON

8 0 netblocks since 2026-07-05

2026-07-05 peak 8 2026-08-09

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
101.203.88.41/32	Yamanashi CATV	PEERINGDB	ASSIGNED	● high
103.108.232.0/22	Yamanashi CATV Co,. ltd	BGP	ANNOUNCED	● high
133.247.224.0/21	Yamanashi CATV Co,. ltd	BGP	ANNOUNCED	● high
218.100.9.72/32	Yamanashi CATV	PEERINGDB	ASSIGNED	● high
219.100.248.0/22	Yamanashi CATV Co,. ltd	BGP	ANNOUNCED	● high
2001:de8:c::13:1929:1/128	Yamanashi CATV	PEERINGDB	ASSIGNED	● high
2001:de8:c:2:0:13:1929:1/128	Yamanashi CATV	PEERINGDB	ASSIGNED	● high
2402:73c0::/32	Yamanashi CATV Co,. ltd	BGP	ANNOUNCED	● high

what's this?

RPKI hygiene: C how networks compare →

62.5% of checked blocks have valid RPKI ROA coverage (5 of 8)

No discrepancies found among checked blocks.

AS131929 AS131929