DDFR IT Infra & Security B.V.

Data as of 2026-08-16
BGP inherited
Cluster stats
Netblocks33 · 42,246 IPv4 addresses
IPv6 11 prefixes (largest 2a02:5b0::/29)
Registered in Netherlands (33) · Poland (2)
Cluster ID222469706
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 12 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

8 weekly snapshots · JSON
46 +4 netblocks since 2026-07-05
2026-07-05 peak 46 2026-08-16

IP Ranges (33)

⬇ export CSV
CIDR Org name Registry Status Confidence
31.186.160.0/21 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
37.0.16.0/21 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
80.249.208.156/32 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
81.92.176.0/20 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
83.136.192.0/21 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
91.106.224.0/21 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
93.95.144.0/21 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
145.87.224.0/19 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
147.12.0.0/20 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
185.0.2.27/32 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
185.0.11.2/32 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
185.0.11.20/32 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
185.0.43.99/32 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
185.1.161.68/32 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
185.1.184.15/32 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
185.35.32.0/22 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
185.55.108.0/22 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
185.250.160.0/22 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
193.239.117.89/32 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
212.52.224.0/19 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
217.27.224.0/20 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
2001:7f8:1::a503:5467:1/128 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
2001:7f8:13::a503:5467:1/128 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
2001:7f8:10f::8a8b:323/128 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
2001:7f8:115:1::1:99/128 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
2001:7f8:134::15/128 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
2001:7f8:141::2/128 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
2001:7f8:141::20/128 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
2001:7f8:16d::27/128 DDFR IT Infra & Security B.V. PEERINGDB ASSIGNED ● high
2a02:5b0::/32 DDFR IT Infra & Security B.V. BGP ANNOUNCED ● high
185.0.11.0/24 DDFR IT Infra & Security B.V. RIPE ASSIGNED PI ● low
2001:7f8:141::/48 DDFR IT Infra & Security B.V. RIPE ASSIGNED PI ● low
2a02:5b0::/29 DDFR IT Infra & Security B.V. RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (11)

CIDR
2a02:5b0::/29
2a02:5b0::/32
2001:7f8:141::/48
2001:7f8:10f::8a8b:323/128
2001:7f8:115:1::1:99/128
2001:7f8:134::15/128
2001:7f8:13::a503:5467:1/128
2001:7f8:141::2/128
2001:7f8:141::20/128
2001:7f8:16d::27/128
2001:7f8:1::a503:5467:1/128

Network trust

what's this?
RPKI hygiene: C how networks compare →
71.7% of checked blocks have valid RPKI ROA coverage (33 of 46)
No discrepancies found among checked blocks.

NIC Handles

AS35467 AS35467 DDFR-IT-Infra-Security-MNT DDFR-IT-Infra-Security-MNT DUMY-RIPE DUMY-RIPE DataDienstenFryslan DataDienstenFryslan ORG-DFb1-RIPE RIPE-NCC-END-MNT RIPE-NCC-HM-MNT RIPE-NCC-LEGACY-MNT