Stichting Ipse de Bruggen

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks8 · 1,044 IPv4 addresses
IPv6 4 prefixes (largest 2a0a:8a00::/32)
All fragments 11 blocks across 2 clusters
Cluster ID213449636
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
10 0 netblocks since 2026-07-05
2026-07-05 peak 10 2026-07-26

IP Ranges (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
185.166.48.0/22 Stichting Ipse de Bruggen BGP ANNOUNCED ● high
2a0a:8a00::/32 Stichting Ipse de Bruggen BGP ANNOUNCED ● high
2a0a:8a00:12::/48 Stichting Ipse de Bruggen BGP ANNOUNCED ● high
62.177.225.48/29 Stichting-Ipse-de-Bruggen RIPE ASSIGNED PA ● low
80.242.247.120/30 STICHTING_IPSE_DE_BRUGGEN RIPE ASSIGNED PA ● low
217.100.139.160/29 STICHTING_IPSE_DE_BRUGGEN RIPE ASSIGNED PA ● low
2001:41f0:18bf::/48 STICHTING_IPSE_DE_BRUGGEN RIPE ASSIGNED ● low
2001:41f0:85a6::/48 STICHTING_IPSE_DE_BRUGGEN RIPE ASSIGNED ● low

IPv6 ranges (4)

CIDR
2a0a:8a00::/32
2001:41f0:18bf::/48
2001:41f0:85a6::/48
2a0a:8a00:12::/48

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (10 of 10)
Possible discrepancies (2)

These blocks are registered to Stichting Ipse de Bruggen 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.

2001:41f0:85a6::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
2001:41f0:18bf::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.

NIC Handles

AS13127-MNT AS206730 DUMY-RIPE DUMY-RIPE IDBNOC-MNT IDBNOC-MNT NL-BBNET-MNT ORG-SIDB3-RIPE RIPE-NCC-HM-MNT ZIGGO-AUTOREG1