Fan Zhang

Data as of 2026-10-11
BGP inherited
This organisation
Netblocks14 · 1,296 IPv4 addresses
IPv6 8 prefixes (largest 2a01:e281:a400::/40)
Registered in Poland (4) · IR (1) · United States (1)
Record ID246675730
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
44.31.212.0/24 Fan Zhang BGP ANNOUNCED ● high
2406:840:e84f::/48 Fan Zhang BGP ANNOUNCED ● high
2a01:e281:a400::/48 Fan Zhang BGP ANNOUNCED ● high
2a01:e281:a410::/44 Fan Zhang BGP ANNOUNCED ● high
80.48.79.0/24 FAN-TEX RIPE ASSIGNED PA ● low
213.25.137.0/24 FAN-TEX RIPE ASSIGNED PA ● low
213.25.157.0/24 FAN-TEX RIPE ASSIGNED PA ● low
213.25.158.0/24 FAN-TEX RIPE ASSIGNED PA ● low
217.219.161.80/28 FAN-AV RIPE ASSIGNED PA ● low
2a01:e281:a400::/40 Fan Zhang RIPE ALLOCATED-BY-LIR ● low
2a0c:b641:310::/44 Fan Zhang RIPE ALLOCATED-BY-LIR ● low
2a0e:b107:110::/44 Fan Zhang RIPE ALLOCATED-BY-LIR ● low
2a0e:b107:1760::/44 Fan Zhang RIPE ALLOCATED-BY-LIR ● low
2a0f:1cc5:2800::/40 Fan Zhang RIPE ALLOCATED-BY-LIR ● low

IPv6 ranges (8)

CIDR
2a01:e281:a400::/40
2a0f:1cc5:2800::/40
2a01:e281:a410::/44
2a0c:b641:310::/44
2a0e:b107:110::/44
2a0e:b107:1760::/44
2406:840:e84f::/48
2a01:e281:a400::/48

Footprint over time

16 weekly snapshots · JSON
14 -13 netblocks since 2026-07-05
2026-07-05 peak 27 2026-10-11

Network trust

what's this?
RPKI hygiene: B how networks compare →
85.7% of checked blocks have valid RPKI ROA coverage (12 of 14)
Possible discrepancies (4)

These blocks are registered to Fan Zhang 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.

80.48.79.0/24 /24 authorized for AS5617 — Orange Polska Spolka Akcyjna
213.25.137.0/24 /24 authorized for AS5617 — Orange Polska Spolka Akcyjna
213.25.157.0/24 /24 authorized for AS5617 — Orange Polska Spolka Akcyjna
213.25.158.0/24 /24 authorized for AS5617 — Orange Polska Spolka Akcyjna

NIC Handles

AS12880-MNT AS209294 DUMY-RIPE DUMY-RIPE F4-MNT Fans-MNT Fans-MNT MAINT-NBDHM-CN MOEDOVE-MNT ORG-FIR1-RIPE SBMT SERVPERSO-MNT +1 more