Bas Smit trading as Zylon
BGP inherited
Cluster stats
Netblocks13
All fragments 342 blocks across 40 clusters
Cluster ID191598345
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
13 0 netblocks since 2026-07-05
2026-07-05 peak 13 2026-07-06

IP Ranges (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
77.74.48.0/21 Bas Smit trading as Zylon BGP ANNOUNCED ● high
185.58.56.0/22 Bas Smit trading as Zylon BGP ANNOUNCED ● high
185.213.1.0/24 Bas Smit trading as Zylon BGP ANNOUNCED ● high
185.213.2.0/24 Bas Smit trading as Zylon BGP ANNOUNCED ● high
185.213.3.0/24 Bas Smit trading as Zylon BGP ANNOUNCED ● high
193.16.154.0/24 Bas Smit trading as Zylon BGP ANNOUNCED ● high
193.16.154.0/24 Bas Smit trading as Zylon RIPE ASSIGNED PI ● high
193.189.149.0/24 Bas Smit trading as Zylon BGP ANNOUNCED ● high
193.189.149.0/24 Bas Smit trading as Zylon RIPE ASSIGNED PI ● high
193.193.165.0/24 Bas Smit trading as Zylon BGP ANNOUNCED ● high
195.210.56.0/23 Bas Smit trading as Zylon RIPE ASSIGNED PI ● high
195.210.56.0/23 Bas Smit trading as Zylon BGP ANNOUNCED ● high
2a01:310::/32 Bas Smit trading as Zylon BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: B how networks compare →
92.3% of checked blocks have valid RPKI ROA coverage (12 of 13)
Possible discrepancies (9)

These blocks are registered to Bas Smit trading as Zylon 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.

2a01:310::/32 /32 authorized for AS20495 — We Dare B.V.
77.74.48.0/21 /21 authorized for AS20495 — We Dare B.V.
185.58.56.0/22 /22 authorized for AS20495 — We Dare B.V.
195.210.56.0/23 /23 authorized for AS20495 — We Dare B.V.
195.210.56.0/23 /23 authorized for AS20495 — We Dare B.V.
193.16.154.0/24 /24 authorized for AS20495 — We Dare B.V.
193.189.149.0/24 /24 authorized for AS20495 — We Dare B.V.
193.16.154.0/24 /24 authorized for AS20495 — We Dare B.V.
193.189.149.0/24 /24 authorized for AS20495 — We Dare B.V.

NIC Handles

AS8312 DUMY-RIPE DUMY-RIPE GURTAM-ID-MNT ORG-ZISV1-RIPE RIPE-NCC-END-MNT ZYLON-NOC ZYLON-NOC lir-lt-gurtam-1-MNT