DERBY-NET

BGP inherited
Cluster stats
Netblocks9 · 4,100 IPv4 addresses
Registered in United Kingdom (5) · Israel (2) · Netherlands (1)
All fragments 31 blocks across 13 clusters
Cluster ID208836512
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
9 0 netblocks since 2026-07-05
2026-07-05 peak 9 2026-07-19

IP Ranges (9)

⬇ export CSV
CIDR Org name Registry Status Confidence
193.60.144.0/21 DERBY-NET RIPE ASSIGNED PA ● low
194.80.108.0/24 DERBY-NET RIPE ASSIGNED PA ● low
195.194.18.0/24 DERBY-NET RIPE ASSIGNED PA ● low
195.194.176.0/22 DERBY-NET RIPE ASSIGNED PA ● low
212.142.22.0/24 DERBY RIPE ASSIGNED PA ● low
212.219.62.0/24 DERBY-NET RIPE ASSIGNED PA ● low
213.8.54.56/29 DERBY RIPE ASSIGNED PA ● low
213.8.104.168/30 Derby-Ltd RIPE ASSIGNED PA ● low
2001:630:307::/48 DERBY-NET RIPE ASSIGNED ● low

Possibly related to this organisation

what's this?
Same name family
Separately-registered clusters whose names share “DERBY” — often per-country or per-system registrations of the same brand, occasionally a different organisation sharing the name. Not counted in this organisation's own footprint.
Combined view of all 13 name-family clusters →
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own naming convention, not a direct registration.

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (9 of 9)
Possible discrepancies (7)

These blocks are registered to DERBY-NET 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.

2001:630:307::/48 /48 authorized for AS786 — Jisc Services Limited
193.60.144.0/21 /21 authorized for AS786 — Jisc Services Limited
195.194.176.0/22 /22 authorized for AS786 — Jisc Services Limited
195.194.18.0/24 /24 authorized for AS786 — Jisc Services Limited
194.80.108.0/24 /24 authorized for AS786 — Jisc Services Limited
212.219.62.0/24 /24 authorized for AS786 — Jisc Services Limited
212.142.22.0/24 /24 authorized for AS6830 — Liberty Global Europe Holding B.V.

NIC Handles

AS5486-MNT DUMY-RIPE DUMY-RIPE JANET-HOSTMASTER ZIGGO-SERVICES-MNT