NSEC - Sistemas Informaticos, S.A.
Data as of 2026-09-06
BGP inherited
This organisation
| Netblocks | 19 · 5,376 IPv4 addresses |
| IPv6 | 4 prefixes (largest 2a10:3c0::/29) |
| Record ID | 236429944 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (19)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 45.156.128.0/24 | NSEC - Sistemas Informaticos, S.A. | BGP | ANNOUNCED | ● high |
| 45.156.129.0/24 | NSEC - Sistemas Informaticos, S.A. | BGP | ANNOUNCED | ● high |
| 45.156.130.0/24 | NSEC - Sistemas Informaticos, S.A. | BGP | ANNOUNCED | ● high |
| 185.180.143.0/24 | NSEC - Sistemas Informaticos, S.A. | BGP | ANNOUNCED | ● high |
| 185.226.198.0/24 | NSEC - Sistemas Informaticos, S.A. | BGP | ANNOUNCED | ● high |
| 2a10:3c0:2::/48 | NSEC - Sistemas Informaticos, S.A. | BGP | ANNOUNCED | ● high |
| 2a10:3c0:100::/48 | NSEC - Sistemas Informaticos, S.A. | BGP | ANNOUNCED | ● high |
| 2a10:3c0:101::/48 | NSEC - Sistemas Informaticos, S.A. | BGP | ANNOUNCED | ● high |
| 45.156.128.0/22 | NSEC - Sistemas Informaticos, S.A. | RIPE | ALLOCATED PA | ● low |
| 109.105.208.0/21 | NSEC - Sistemas Informaticos, S.A. | RIPE | ALLOCATED PA | ● low |
| 109.105.208.0/24 | NSEC - Sistemas Informaticos, S.A. | RIPE | ASSIGNED PA | ● low |
| 109.105.209.0/24 | NSEC - Sistemas Informaticos, S.A. | RIPE | ASSIGNED PA | ● low |
| 109.105.210.0/24 | NSEC - Sistemas Informaticos, S.A. | RIPE | ASSIGNED PA | ● low |
| 109.105.211.0/24 | NSEC - Sistemas Informaticos, S.A. | RIPE | ASSIGNED PA | ● low |
| 109.105.212.0/24 | NSEC - Sistemas Informaticos, S.A. | RIPE | ASSIGNED PA | ● low |
| 185.117.225.0/24 | NSEC - Sistemas Informaticos, S.A. | RIPE | ALLOCATED PA | ● low |
| 185.180.140.0/22 | NSEC - Sistemas Informaticos, S.A. | RIPE | ALLOCATED PA | ● low |
| 185.226.196.0/22 | NSEC - Sistemas Informaticos, S.A. | RIPE | ALLOCATED PA | ● low |
| 2a10:3c0::/29 | NSEC - Sistemas Informaticos, S.A. | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (4)
Footprint over time
11 weekly snapshots · JSON
19
+1 netblocks since 2026-07-05
2026-07-05
peak 19
2026-09-06
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: C
how networks compare →
73.7%
of checked blocks have valid RPKI ROA coverage
(14 of 19)
Possible discrepancies (6)
These blocks are registered to NSEC - Sistemas Informaticos, S.A. but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 185.117.225.0/24 /24 | authorized for AS14618 — Amazon.com, Inc. |
| 109.105.208.0/24 /24 | authorized for AS21859 — Zenlayer Inc |
| 109.105.209.0/24 /24 | authorized for AS21859 — Zenlayer Inc |
| 109.105.210.0/24 /24 | authorized for AS21859 — Zenlayer Inc |
| 109.105.211.0/24 /24 | authorized for AS21859 — Zenlayer Inc |
| 109.105.212.0/24 /24 | authorized for AS21859 — Zenlayer Inc |
NIC Handles
AR59913-RIPE
AS211680
DUMY-RIPE
DUMY-RIPE
MNT-BST
MNT-BST
ORG-NSIS5-RIPE
RIPE-NCC-HM-MNT