Tsukudani Network

Data as of 2026-08-16

BGP inherited

Cluster stats

Netblocks	20 · 262 IPv4 addresses
IPv6	13 prefixes (largest 2406:7ec0:1000::/48)
Registered in	Japan (4) · Germany (2) · United States (1)
Cluster ID	222429376
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

8 weekly snapshots · JSON

20 0 netblocks since 2026-07-05

2026-07-05 peak 20 2026-08-16

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
44.31.252.0/24	TSUKUDANI NETWORK	BGP	ANNOUNCED	● high
103.115.3.21/32	Tsukudani Network	PEERINGDB	ASSIGNED	● high
163.220.192.21/32	Tsukudani Network	PEERINGDB	ASSIGNED	● high
163.220.192.22/32	Tsukudani Network	PEERINGDB	ASSIGNED	● high
185.1.155.184/32	Tsukudani Network	PEERINGDB	ASSIGNED	● high
185.1.166.114/32	Tsukudani Network	PEERINGDB	ASSIGNED	● high
202.226.3.17/32	Tsukudani Network	PEERINGDB	ASSIGNED	● high
2001:7f8:ca:1:0:15:325:1/128	Tsukudani Network	PEERINGDB	ASSIGNED	● high
2001:7f8:d0::2:4b35:1/128	Tsukudani Network	PEERINGDB	ASSIGNED	● high
2001:7f8:f2:e1:a5:15:325:1/128	Tsukudani Network	PEERINGDB	ASSIGNED	● high
2401:3fa0::15:325:1/128	Tsukudani Network	PEERINGDB	ASSIGNED	● high
2401:5e40:c600::15:325:1/128	Tsukudani Network	PEERINGDB	ASSIGNED	● high
2401:5e40:c600::15:325:2/128	Tsukudani Network	PEERINGDB	ASSIGNED	● high
2402:b7c0:e000::15:325:1/128	Tsukudani Network	PEERINGDB	ASSIGNED	● high
2406:7ec0:1000::/48	TSUKUDANI NETWORK	BGP	ANNOUNCED	● high
2406:7ec0:1001::/48	TSUKUDANI NETWORK	BGP	ANNOUNCED	● high
2406:7ec0:1002::/48	TSUKUDANI NETWORK	BGP	ANNOUNCED	● high
2406:7ec0:1003::/48	TSUKUDANI NETWORK	BGP	ANNOUNCED	● high
2a0c:b641:701:0:a5:15:325:1/128	Tsukudani Network	PEERINGDB	ASSIGNED	● high
2a0e:8f01:1000:25::113/128	Tsukudani Network	PEERINGDB	ASSIGNED	● high

what's this?

RPKI hygiene: C how networks compare →

60.0% of checked blocks have valid RPKI ROA coverage (12 of 20)

No discrepancies found among checked blocks.

AS150325 AS150325