株式会社大塚

OTSUKA CORPORATION
Data as of 2026-09-13
GLEIF verified
LEI
3538006B5I9Z4MTJ7K04
Registered name
株式会社大塚
Jurisdiction
JP
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks75 · 83,990 IPv4 addresses
IPv6 3 prefixes (largest 2403:6c00::/32)
Registered in Japan (69) · Spain (2) · China (1)
Also registered under this name 90 netblocks across 9 separate records
Record ID241849584
RegistryAPNIC
Owner jurisdictionJP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 3538006B5I9Z4MTJ7K04
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (75)

⬇ export CSV
CIDR Org name Registry Status Confidence
27.0.32.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
27.0.32.0/20 OTSUKA CORPORATION BGP ANNOUNCED ● high
27.0.34.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
27.0.36.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
27.0.38.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
27.0.40.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
27.0.42.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
27.0.44.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
27.0.46.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
101.203.88.115/32 Otsuka Corporation PEERINGDB ASSIGNED ● high
103.7.20.0/22 OTSUKA CORPORATION BGP ANNOUNCED ● high
150.91.224.0/20 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.0.0/16 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.4.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.6.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.10.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.12.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.14.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.16.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.18.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.20.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.22.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.24.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.26.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.28.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.30.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.32.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.34.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.36.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.38.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.40.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.42.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.44.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.46.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.58.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.60.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.62.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.74.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.126.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.170.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.172.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.174.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.176.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.178.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.180.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.182.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.184.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.186.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.188.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.190.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.192.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.194.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.196.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.198.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.208.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.210.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.212.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
157.205.220.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
182.93.96.0/19 OTSUKA CORPORATION BGP ANNOUNCED ● high
182.93.112.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
182.93.114.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
182.93.116.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
182.93.118.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
182.93.120.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
182.93.122.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
182.93.124.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
182.93.126.0/23 OTSUKA CORPORATION BGP ANNOUNCED ● high
202.47.136.0/22 OTSUKA CORPORATION BGP ANNOUNCED ● high
210.171.224.73/32 Otsuka Corporation PEERINGDB ASSIGNED ● high
2001:de8:8::1:7514:1/128 Otsuka Corporation PEERINGDB ASSIGNED ● high
2001:de8:c::1:7514:1/128 Otsuka Corporation PEERINGDB ASSIGNED ● high
2403:6c00::/32 OTSUKA CORPORATION BGP ANNOUNCED ● high
61.181.71.248/30 OTSUKA-LTD APNIC ASSIGNED NON-PORTABLE ● low
194.224.201.96/29 OTSUKA RIPE ASSIGNED PA ● low
195.57.85.208/29 OTSUKA RIPE ASSIGNED PA ● low

IPv6 ranges (3)

CIDR
2403:6c00::/32
2001:de8:8::1:7514:1/128
2001:de8:c::1:7514:1/128

Footprint over time

12 weekly snapshots · JSON
75 0 netblocks since 2026-07-05
2026-07-05 peak 75 2026-09-13

Domains this organisation publishes

what's this?
aics.ne.jp

Network trust

what's this?
RPKI hygiene: F how networks compare →
8.0% of checked blocks have valid RPKI ROA coverage (6 of 75)
No discrepancies found among checked blocks.

NIC Handles

AC2798-AP AS17514 AS17514 DUMY-RIPE DUMY-RIPE HZ19-AP HZ19-AP MAINT-AS3352 MAINT-CNCGROUP-TJ