Fan Zhang
Data as of 2026-10-11
BGP inherited
This organisation
| Netblocks | 14 · 1,296 IPv4 addresses |
| IPv6 | 8 prefixes (largest 2a01:e281:a400::/40) |
| Registered in | Poland (4) · IR (1) · United States (1) |
| Record ID | 246675730 |
| Registry | BGP |
| Customers | see 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)
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