Kalnet4u Ltd
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 13 · 3,073 IPv4 addresses |
| IPv6 | 5 prefixes (largest 2a00:7280::/32) |
| All fragments | 20 blocks across 4 clusters |
| Cluster ID | 214407017 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
15
0 netblocks since 2026-07-05
2026-07-05
peak 15
2026-07-26
IP Ranges (13)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 5.57.81.192/32 | KALNET4U | PEERINGDB | ASSIGNED | ● high |
| 31.211.160.0/21 | Kalnet4u Ltd | BGP | ANNOUNCED | ● high |
| 2001:7f8:17::dda9:1/128 | KALNET4U | PEERINGDB | ASSIGNED | ● high |
| 2a00:7280::/32 | Kalnet4u Ltd | BGP | ANNOUNCED | ● high |
| 31.211.161.0/30 | KALNET4U-HOSTING | RIPE | ASSIGNED PA | ● low |
| 31.211.161.8/29 | KALNET4U-HOSTING | RIPE | ASSIGNED PA | ● low |
| 31.211.161.240/28 | KALNET4U-HOSTING | RIPE | ASSIGNED PA | ● low |
| 31.211.162.0/30 | KALNET4U-HOSTING | RIPE | ASSIGNED PA | ● low |
| 185.143.84.0/22 | Kalnet4u Ltd | RIPE | ALLOCATED PA | ● low |
| 185.143.84.0/24 | KALNET4U-HOSTING | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:cc::/56 | KALNET4U | RIPE | ASSIGNED | ● low |
| 2a00:2381:cc::/48 | KALNET4U | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:7280::/48 | KALNET4U | RIPE | ASSIGNED | ● low |
IPv6 ranges (5)
Network trust
what's this?
RPKI hygiene: D
how networks compare →
26.7%
of checked blocks have valid RPKI ROA coverage
(4 of 15)
Possible discrepancies (2)
These blocks are registered to Kalnet4u Ltd 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.
| 2a00:2381:cc::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:cc::/56 /56 | authorized for AS2856 — British Telecommunications Limited |
NIC Handles
AS56745
AS56745
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
MNT-KALNET4U
MNT-KALNET4U
ORG-KL86-RIPE
RIPE-NCC-HM-MNT