Sumitomo Mitsui Banking Corporation

BGP inherited
Cluster stats
Netblocks14 · 5,401 IPv4 addresses
Registered in United States (6) · Czechia (1) · Germany (1) · United Kingdom (1) · Qatar (1) · Russia (1)
Cluster ID208810582
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 14 shared RIR contact/maintainer handles
Registry names 7 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
25 0 netblocks since 2026-07-05
2026-07-05 peak 25 2026-07-19

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
216.83.80.0/24 Sumitomo Mitsui Banking Corporation BGP ANNOUNCED ● high
216.83.83.0/24 Sumitomo Mitsui Banking Corporation BGP ANNOUNCED ● high
216.83.90.0/24 Sumitomo Mitsui Banking Corporation BGP ANNOUNCED ● high
216.83.92.0/24 Sumitomo Mitsui Banking Corporation BGP ANNOUNCED ● high
216.83.94.0/24 Sumitomo Mitsui Banking Corporation BGP ANNOUNCED ● high
78.100.36.232/29 Sumitomo-Mitsui-Banking-Corporation-18827 RIPE ASSIGNED PA ● low
87.129.193.176/29 SUMITOMO-MITSUI-BANKING-DUESSELDORF-NET RIPE ASSIGNED PA ● low
93.153.185.96/29 SUMITOMO-LAN RIPE ASSIGNED PA ● low
213.151.82.156/30 Sumitomo-Mitsui RIPE ASSIGNED PA ● low
216.83.80.0/20 Sumitomo Mitsui Banking Corporation ARIN DIRECT ALLOCATION ● low
217.38.164.16/29 SUMITOMO-MITSUI RIPE ASSIGNED PA ● low
2003:c4:182a::/48 SUMITOMO-MITSUI-BANKING-DUESSELDORF-NET RIPE ASSIGNED ● low
2a00:2381:c3c4::/56 SUMITOMO-MITSUI RIPE ASSIGNED ● low
2a00:2381:c3c4::/48 SUMITOMO-MITSUI RIPE AGGREGATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
71.4% of checked blocks have valid RPKI ROA coverage (10 of 14)
Possible discrepancies (3)

These blocks are registered to Sumitomo Mitsui Banking Corporation but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:2381:c3c4::/48 /48 authorized for AS2856 — British Telecommunications Limited
2003:c4:182a::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2a00:2381:c3c4::/56 /56 authorized for AS2856 — British Telecommunications Limited

NIC Handles

AS30346 BTNET-MNT DIALTELECOM-MNT DTAG-NIC DUMY-RIPE DUMY-RIPE PSTAR-MNT Qtel-NOC ROYCH18-ARIN ROYCH18-ARIN ROYCH18-ARIN SMBC-2 +2 more