J-Stream Inc.

BGP inherited
Cluster stats
Netblocks15 · 4,860 IPv4 addresses
All fragments 23 blocks across 4 clusters
Cluster ID210163769
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
15 0 netblocks since 2026-07-05
2026-07-05 peak 15 2026-07-19

IP Ranges (15)

⬇ export CSV
CIDR Org name Registry Status Confidence
101.203.88.21/32 J-Stream PEERINGDB ASSIGNED ● high
101.203.88.22/32 J-Stream PEERINGDB ASSIGNED ● high
103.157.156.0/24 J-Stream Inc. BGP ANNOUNCED ● high
202.79.240.0/21 J-Stream Inc. BGP ANNOUNCED ● high
210.171.224.206/32 J-Stream PEERINGDB ASSIGNED ● high
210.171.224.249/32 J-Stream PEERINGDB ASSIGNED ● high
210.173.177.131/32 J-Stream PEERINGDB ASSIGNED ● high
2001:7fa:7:1:0:2:4253:1/128 J-Stream PEERINGDB ASSIGNED ● high
2001:de8:8::2:4253:1/128 J-Stream PEERINGDB ASSIGNED ● high
2001:de8:8::2:4253:2/128 J-Stream PEERINGDB ASSIGNED ● high
2001:de8:c::2:4253:1/128 J-Stream PEERINGDB ASSIGNED ● high
2001:de8:c::2:4253:2/128 J-Stream PEERINGDB ASSIGNED ● high
2401:dc40::/32 J-Stream Inc. BGP ANNOUNCED ● high
103.157.156.0/23 J-Stream APNIC ALLOCATED PORTABLE ● low
202.79.240.0/21 J-Stream APNIC ALLOCATED PORTABLE ● low

Domains hosted in this network

what's this?
stream.ne.jp stream.co.jp

Network trust

what's this?
RPKI hygiene: C how networks compare →
73.3% of checked blocks have valid RPKI ROA coverage (11 of 15)
No discrepancies found among checked blocks.

NIC Handles

AS24253 AS24253 JNIC1-AP JNIC1-AP MAINT-JPNIC