LWSA S/A

Data as of 2026-09-13
BGP inherited
This organisation
Netblocks82 · 29,696 IPv4 addresses
IPv6 9 prefixes (largest 2804:10::/32)
Record ID241304470
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (82)

⬇ export CSV
CIDR Org name Registry Status Confidence
138.122.172.0/23 LWSA S/A BGP ANNOUNCED ● high
138.122.172.0/24 LWSA S/A BGP ANNOUNCED ● high
138.122.173.0/24 LWSA S/A BGP ANNOUNCED ● high
138.122.174.0/24 LWSA S/A BGP ANNOUNCED ● high
138.122.174.0/23 LWSA S/A BGP ANNOUNCED ● high
138.122.175.0/24 LWSA S/A BGP ANNOUNCED ● high
177.67.112.0/22 LWSA S/A BGP ANNOUNCED ● high
177.67.112.0/21 LWSA S/A BGP ANNOUNCED ● high
177.67.116.0/22 LWSA S/A BGP ANNOUNCED ● high
177.67.120.0/21 LWSA S/A BGP ANNOUNCED ● high
177.67.120.0/22 LWSA S/A BGP ANNOUNCED ● high
177.67.124.0/22 LWSA S/A BGP ANNOUNCED ● high
177.67.124.0/24 LWSA S/A BGP ANNOUNCED ● high
2804:580::/33 LWSA S/A BGP ANNOUNCED ● high
2804:580::/32 LWSA S/A BGP ANNOUNCED ● high
177.12.160.0/23 LWSA S/A BGP ANNOUNCED ● medium
177.12.160.0/22 LWSA S/A BGP ANNOUNCED ● medium
177.12.160.0/21 LWSA S/A BGP ANNOUNCED ● medium
177.12.160.0/20 LWSA S/A ARIN ALLOCATED ● medium
177.12.164.0/22 LWSA S/A BGP ANNOUNCED ● medium
177.12.166.0/23 LWSA S/A BGP ANNOUNCED ● medium
177.12.168.0/22 LWSA S/A BGP ANNOUNCED ● medium
177.12.168.0/21 LWSA S/A BGP ANNOUNCED ● medium
177.12.168.0/23 LWSA S/A BGP ANNOUNCED ● medium
177.12.170.0/23 LWSA S/A BGP ANNOUNCED ● medium
177.12.172.0/23 LWSA S/A BGP ANNOUNCED ● medium
177.12.172.0/22 LWSA S/A BGP ANNOUNCED ● medium
177.185.192.0/20 LWSA S/A ARIN ALLOCATED ● medium
177.185.192.0/23 LWSA S/A BGP ANNOUNCED ● medium
177.185.196.0/23 LWSA S/A BGP ANNOUNCED ● medium
177.185.196.0/22 LWSA S/A BGP ANNOUNCED ● medium
177.185.204.0/23 LWSA S/A BGP ANNOUNCED ● medium
187.1.128.0/20 LWSA S/A ARIN ALLOCATED ● medium
187.1.128.0/21 LWSA S/A BGP ANNOUNCED ● medium
187.1.128.0/22 LWSA S/A BGP ANNOUNCED ● medium
187.1.130.0/23 LWSA S/A BGP ANNOUNCED ● medium
187.1.132.0/22 LWSA S/A BGP ANNOUNCED ● medium
187.1.134.0/23 LWSA S/A BGP ANNOUNCED ● medium
187.1.136.0/23 LWSA S/A BGP ANNOUNCED ● medium
187.1.136.0/21 LWSA S/A BGP ANNOUNCED ● medium
187.1.136.0/22 LWSA S/A BGP ANNOUNCED ● medium
187.1.138.0/23 LWSA S/A BGP ANNOUNCED ● medium
187.1.140.0/22 LWSA S/A BGP ANNOUNCED ● medium
187.1.142.0/23 LWSA S/A BGP ANNOUNCED ● medium
189.38.80.0/20 LWSA S/A ARIN ALLOCATED ● medium
189.38.80.0/21 LWSA S/A BGP ANNOUNCED ● medium
189.38.84.0/22 LWSA S/A BGP ANNOUNCED ● medium
189.38.86.0/23 LWSA S/A BGP ANNOUNCED ● medium
189.38.92.0/22 LWSA S/A BGP ANNOUNCED ● medium
189.38.94.0/23 LWSA S/A BGP ANNOUNCED ● medium
191.6.192.0/22 LWSA S/A BGP ANNOUNCED ● medium
191.6.192.0/19 UNKNOWN LACNIC allocated ● medium
191.6.192.0/21 LWSA S/A BGP ANNOUNCED ● medium
191.6.192.0/23 LWSA S/A BGP ANNOUNCED ● medium
191.6.196.0/22 LWSA S/A BGP ANNOUNCED ● medium
191.6.196.0/23 LWSA S/A BGP ANNOUNCED ● medium
191.6.198.0/23 LWSA S/A BGP ANNOUNCED ● medium
191.6.208.0/23 LWSA S/A BGP ANNOUNCED ● medium
191.6.208.0/21 LWSA S/A BGP ANNOUNCED ● medium
191.6.208.0/22 LWSA S/A BGP ANNOUNCED ● medium
191.6.210.0/23 LWSA S/A BGP ANNOUNCED ● medium
191.6.212.0/23 LWSA S/A BGP ANNOUNCED ● medium
191.6.212.0/22 LWSA S/A BGP ANNOUNCED ● medium
191.6.214.0/23 LWSA S/A BGP ANNOUNCED ● medium
191.6.216.0/22 LWSA S/A BGP ANNOUNCED ● medium
191.6.216.0/23 LWSA S/A BGP ANNOUNCED ● medium
191.6.216.0/21 LWSA S/A BGP ANNOUNCED ● medium
191.6.218.0/23 LWSA S/A BGP ANNOUNCED ● medium
191.6.220.0/22 LWSA S/A BGP ANNOUNCED ● medium
191.6.220.0/23 LWSA S/A BGP ANNOUNCED ● medium
191.6.222.0/23 LWSA S/A BGP ANNOUNCED ● medium
2804:10::/32 UNKNOWN LACNIC allocated ● medium
2804:10:4000::/34 LWSA S/A BGP ANNOUNCED ● medium
2804:10:4050::/48 LWSA S/A BGP ANNOUNCED ● medium
2804:10:6082::/48 LWSA S/A BGP ANNOUNCED ● medium
2804:10:8000::/34 LWSA S/A BGP ANNOUNCED ● medium
2804:10:8253::/48 LWSA S/A BGP ANNOUNCED ● medium
2804:10:c000::/40 LWSA S/A BGP ANNOUNCED ● medium
138.122.172.0/22 LWSA S/A ARIN ALLOCATED ● low
177.185.204.0/24 LWSA S/A BGP ANNOUNCED ● low
187.1.130.0/24 LWSA S/A BGP ANNOUNCED ● low
191.6.192.0/24 LWSA S/A BGP ANNOUNCED ● low

IPv6 ranges (9)

Footprint over time

12 weekly snapshots · JSON
95 +80 netblocks since 2026-07-05
2026-07-05 peak 95 2026-09-13

Domains this organisation publishes

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Other domains hosted in this network

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Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (95 of 95)
Possible discrepancies (19)

These blocks are registered to LWSA S/A 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.

177.67.112.0/21 /21 authorized for AS27715 — Locaweb Serviços de Internet S/A
177.67.120.0/21 /21 authorized for AS27715 — Locaweb Serviços de Internet S/A
177.67.112.0/21 /21 authorized for AS27715 — Locaweb Serviços de Internet S/A
177.67.120.0/21 /21 authorized for AS27715 — Locaweb Serviços de Internet S/A
177.67.112.0/22 /22 authorized for AS27715 — Locaweb Serviços de Internet S/A
177.67.116.0/22 /22 authorized for AS27715 — Locaweb Serviços de Internet S/A
177.67.120.0/22 /22 authorized for AS27715 — Locaweb Serviços de Internet S/A
177.67.124.0/22 /22 authorized for AS27715 — Locaweb Serviços de Internet S/A
138.122.172.0/22 /22 authorized for AS27715 — Locaweb Serviços de Internet S/A
138.122.172.0/23 /23 authorized for AS27715 — Locaweb Serviços de Internet S/A
138.122.174.0/23 /23 authorized for AS27715 — Locaweb Serviços de Internet S/A
138.122.172.0/24 /24 authorized for AS27715 — Locaweb Serviços de Internet S/A
138.122.173.0/24 /24 authorized for AS27715 — Locaweb Serviços de Internet S/A
138.122.174.0/24 /24 authorized for AS27715 — Locaweb Serviços de Internet S/A
138.122.175.0/24 /24 authorized for AS27715 — Locaweb Serviços de Internet S/A
+4 more — see the REST API

NIC Handles

02351877000900 02351877001043 AS262518 AS28299 COABU CTTTE KILTD19 NOKIN4 NOTRA13 NOTRA13