DELTA Fiber Nederland B.V.

ORG-ZB1-RIPE
Data as of 2026-09-06
BGP inherited
This organisation
Netblocks23 · 24,576 IPv4 addresses
IPv6 21 prefixes (largest 2001:4c3b::/32)
Record ID240754434
RegistryRIPE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 4 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (23)

⬇ export CSV
CIDR Org name Registry Status Confidence
149.143.32.0/19 UNKNOWN RIPE LEGACY ● high
149.143.64.0/18 UNKNOWN RIPE LEGACY ● high
2001:4c3b::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2001:4c3c::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2001:4c3d::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2001:4c3e::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2001:4c3f::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a07:31c0::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a07:31c1::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a07:31c2::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a07:31c3::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a07:31c4::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a07:31c5::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a07:31c6::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a07:31c7::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a0f:900::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a0f:901::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a0f:902::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a0f:903::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a0f:904::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a0f:905::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a0f:906::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a0f:907::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high

IPv6 ranges (21)

showing the 15 largest allocations
CIDR
2001:4c3b::/32
2001:4c3c::/32
2001:4c3d::/32
2001:4c3e::/32
2001:4c3f::/32
2a07:31c0::/32
2a07:31c1::/32
2a07:31c2::/32
2a07:31c3::/32
2a07:31c4::/32
2a07:31c5::/32
2a07:31c6::/32
2a07:31c7::/32
2a0f:900::/32
2a0f:901::/32

Footprint over time

11 weekly snapshots · JSON
23 0 netblocks since 2026-07-05
2026-07-05 peak 23 2026-09-06

Domains hosted in this network

what's this?
vroemen.eu ntp.org

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (23 of 23)
No discrepancies found among checked blocks.

NIC Handles

AS15542-MNT DUMY-RIPE DUMY-RIPE KABELFOON-MNT