DSB

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks5
IPv6 1 prefix (largest 2a00:2381:d291::/48)
All fragments 30 blocks across 15 clusters
Cluster ID213588490
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (5)

⬇ export CSV
CIDR Org name Registry Status Confidence
87.54.49.8/29 DSB-NET RIPE ASSIGNED PA ● low
147.29.96.80/28 DSB RIPE LEGACY ● low
147.29.97.240/28 DSB RIPE LEGACY ● low
147.29.134.0/26 DSB RIPE LEGACY ● low
2a00:2381:d291::/48 DSB RIPE AGGREGATED-BY-LIR ● low

IPv6 ranges (1)

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (5 of 5)
Possible discrepancies (1)

These blocks are registered to DSB 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:d291::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

BTNET-MNT CSCDK-MNT DUMY-RIPE DUMY-RIPE TDK-MNT