AMSNET Andrzej Szreter
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 13 · 1,810 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a06:de00:a2::/48) |
| Registered in | Israel (7) · Poland (5) |
| Cluster ID | 214584070 |
| Registry | PEERINGDB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 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
13
+1 netblocks since 2026-07-05
2026-07-05
peak 13
2026-07-26
IP Ranges (13)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 89.46.145.194/32 | AMSNET Andrzej Szreter | PEERINGDB | ASSIGNED | ● high |
| 178.216.40.131/32 | AMSNET Andrzej Szreter | PEERINGDB | ASSIGNED | ● high |
| 185.1.199.51/32 | AMSNET Andrzej Szreter | PEERINGDB | ASSIGNED | ● high |
| 195.191.170.26/32 | AMSNET Andrzej Szreter | PEERINGDB | ASSIGNED | ● high |
| 62.233.178.0/28 | amsnet_pl-WR | RIPE | ASSIGNED PA | ● low |
| 85.255.20.0 – 85.255.20.254 | AMSNET | RIPE | SUB-ALLOCATED PA | ● low |
| 85.255.31.0/24 | AMSNET | RIPE | SUB-ALLOCATED PA | ● low |
| 159.117.229.0 – 159.117.229.254 | AMSNET | RIPE | SUB-ALLOCATED PA | ● low |
| 159.117.241.0/24 | AMSNET | RIPE | SUB-ALLOCATED PA | ● low |
| 185.114.122.0/24 | AMSNET | RIPE | SUB-ALLOCATED PA | ● low |
| 216.252.181.0/24 | AMSNET | RIPE | SUB-ALLOCATED PA | ● low |
| 216.252.186.0/24 | AMSNET | RIPE | SUB-ALLOCATED PA | ● low |
| 2a06:de00:a2::/48 | AMSnet | RIPE | AGGREGATED-BY-LIR | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2a06:de00:a2::/48 |
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: C
how networks compare →
76.9%
of checked blocks have valid RPKI ROA coverage
(10 of 13)
Possible discrepancies (5)
These blocks are registered to AMSNET Andrzej Szreter 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.
| 185.114.122.0/24 /24 | authorized for AS13150 — CATO NETWORKS LTD |
| 85.255.31.0/24 /24 | authorized for AS13150 — CATO NETWORKS LTD |
| 216.252.186.0/24 /24 | authorized for AS13150 — CATO NETWORKS LTD |
| 216.252.181.0/24 /24 | authorized for AS13150 — CATO NETWORKS LTD |
| 159.117.241.0/24 /24 | authorized for AS13150 — CATO NETWORKS LTD |
NIC Handles
AS59444
DUMY-RIPE
DUMY-RIPE
MAINT-AS13150
NETIA-MNT
il-catonetworks-1-mnt
nya-mnt