FAMILY NET JAPAN INCORPORATED
BGP inherited
Cluster stats
Netblocks40
All fragments 125 blocks across 54 clusters
Cluster ID191594150
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 12 shared RIR contact/maintainer handles
Registry names 7 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
40 0 netblocks since 2026-07-05
2026-07-05 peak 40 2026-07-06

IP Ranges (40)

⬇ export CSV
CIDR Org name Registry Status Confidence
1.21.96.0/20 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
1.21.128.0/20 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
103.246.80.0/22 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
119.73.202.176/28 FAMILY-SG APNIC ASSIGNED NON-PORTABLE ● high
150.91.160.0/19 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
150.91.160.0/20 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
150.91.176.0/20 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
150.91.192.0/20 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.64.0/19 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.94.0/23 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.96.0/19 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.126.0/23 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.128.0/20 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.128.0/21 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.136.0/21 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.144.0/21 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.144.0/20 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.152.0/21 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.160.0/20 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.176.0/21 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.184.0/22 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.188.0/23 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.190.0/24 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
160.237.191.0/24 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
218.223.160.0/19 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
219.100.76.0/22 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
2400:a140::/33 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
2400:a140::/32 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
2400:a140:8000::/33 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
2400:a140:ffff::/48 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
2401:4d40::/30 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
2401:4d44::/30 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
2406:1940::/33 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
2406:1940::/32 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
2406:1940:8000::/33 FAMILY NET JAPAN INCORPORATED BGP ANNOUNCED ● high
62.77.86.228/30 FAMILY-ACE-CZ RIPE ASSIGNED PA ● low
145.253.170.152/29 FAMILY-NET RIPE ASSIGNED PA ● low
213.253.29.208/29 FAMILY-MOSAIC15 RIPE ASSIGNED PA ● low
213.253.29.216/29 FAMILY-MOSAIC20 RIPE ASSIGNED PA ● low
2a00:2381:2b80::/48 FAMILY-SKI RIPE AGGREGATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (40 of 40)
Possible discrepancies (1)

These blocks are registered to FAMILY NET JAPAN INCORPORATED 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.

2a00:2381:2b80::/48 /48 authorized for AS2856 — British Telecommunications PLC

NIC Handles

ARCOR-MNT AS131925 AS131964 AS59125 AS8426-MNT BTNET-MNT CPG4-AP DUMY-RIPE DUMY-RIPE GTSCZ-MNT MAINT-SG-SINGNET SH9-AP