AS131971
Handle
Cluster stats
Netblocks12
Cluster ID191604152
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution RIR handle
Shared handles clustered on 1 shared RIR contact/maintainer handle
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
12 0 netblocks since 2026-07-05
2026-07-05 peak 12 2026-07-06

IP Ranges (12)

⬇ export CSV
CIDR Org name Registry Status Confidence
202.1.208.0/22 AS131971 BGP ANNOUNCED ● high
202.1.212.0/24 AS131971 BGP ANNOUNCED ● high
202.1.213.0/24 AS131971 BGP ANNOUNCED ● high
202.1.214.0/24 AS131971 BGP ANNOUNCED ● high
202.1.215.0/24 AS131971 BGP ANNOUNCED ● high
2407:9900::/36 AS131971 BGP ANNOUNCED ● high
2407:9900:1000::/36 AS131971 BGP ANNOUNCED ● high
2407:9900:2000::/36 AS131971 BGP ANNOUNCED ● high
2407:9900:3000::/36 AS131971 BGP ANNOUNCED ● high
2407:9900:4000::/35 AS131971 BGP ANNOUNCED ● high
2407:9900:6000::/35 AS131971 BGP ANNOUNCED ● high
2407:9900:8000::/33 AS131971 BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: B how networks compare →
83.3% of checked blocks have valid RPKI ROA coverage (10 of 12)
Possible discrepancies (2)

These blocks are registered to AS131971 but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2407:9900:1000::/36 /36 authorized for AS2515 — Japan Network Information Center
202.1.213.0/24 /24 authorized for AS2515 — Japan Network Information Center

NIC Handles

AS131971