BSC

Data as of 2026-09-20
BGP inherited
This organisation
Netblocks23 · 37,630 IPv4 addresses
IPv6 1 prefix (largest 2001:40b0:7c00::/48)
Registered in Spain (6) · Netherlands (4) · Poland (4) · Italy (1) · KW (1) · Portugal (1)
Also registered under this name 51 netblocks across 18 separate records
Record ID241917211
RegistryAFRINIC
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 27 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (23)

⬇ export CSV
CIDR Org name Registry Status Confidence
204.128.155.0/24 BSC ARIN DIRECT ALLOCATION ● high
37.128.124.160/30 BSC RIPE ASSIGNED PA ● low
62.89.74.144/30 BSC RIPE ASSIGNED PA ● low
62.177.202.40/29 BSC RIPE ASSIGNED PA ● low
78.11.31.120/30 BSC RIPE ASSIGNED PA ● low
84.88.50.0 – 84.88.54.95 BSC-NET RIPE ASSIGNED PA ● low
84.88.104.0/22 BSC RIPE ASSIGNED PA ● low
84.88.184.0/23 BSC-NET RIPE ASSIGNED PA ● low
84.88.186.0/23 BSC-NET RIPE ASSIGNED PA ● low
84.88.188.0/23 BSC-NET RIPE ASSIGNED PA ● low
84.88.190.0/23 BSC-NET RIPE ASSIGNED PA ● low
85.185.155.0/27 BSC RIPE ASSIGNED PA ● low
193.164.171.56/29 BSC RIPE ASSIGNED PA ● low
195.23.232.32/29 BSC RIPE ASSIGNED PA ● low
195.39.134.96 – 195.39.134.113 BSC-NET RIPE ASSIGNED PA ● low
195.85.154.160/29 BSC RIPE ASSIGNED PA ● low
197.243.0.0/17 BSC AFRINIC ALLOCATED PA ● low
212.136.218.72/29 BSC RIPE ASSIGNED PA ● low
212.141.130.224/27 BSC RIPE ASSIGNED PA ● low
213.17.200.144/28 BSC RIPE ASSIGNED PA ● low
213.214.28.0/24 NET-BSC RIPE ASSIGNED PA ● low
217.166.115.184/29 BSC RIPE ASSIGNED PA ● low
2001:40b0:7c00::/48 BSC-NET RIPE ASSIGNED ● low

IPv6 ranges (1)

Footprint over time

13 weekly snapshots · JSON
23 +1 netblocks since 2026-07-05
2026-07-05 peak 23 2026-09-20

Other domains hosted in this network

what's this?

Network trust

what's this?
RPKI hygiene: B how networks compare →
82.6% of checked blocks have valid RPKI ROA coverage (19 of 23)
Possible discrepancies (9)

These blocks are registered to BSC but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:40b0:7c00::/48 /48 authorized for AS13041 — Consorci de Serveis Universitaris de Catalunya
197.243.0.0/17 /17 authorized for AS37228 — KT RWANDA NETWORK Ltd
84.88.50.0 – 84.88.54.95 /22 authorized for AS13041 — Consorci de Serveis Universitaris de Catalunya
84.88.104.0/22 /22 authorized for AS13041 — Consorci de Serveis Universitaris de Catalunya
84.88.184.0/23 /23 authorized for AS13041 — Consorci de Serveis Universitaris de Catalunya
84.88.186.0/23 /23 authorized for AS13041 — Consorci de Serveis Universitaris de Catalunya
84.88.188.0/23 /23 authorized for AS13041 — Consorci de Serveis Universitaris de Catalunya
84.88.190.0/23 /23 authorized for AS13041 — Consorci de Serveis Universitaris de Catalunya
213.214.28.0/24 /24 authorized for AS12610 — Rockenstein AG

NIC Handles

AB188-ARIN AB188-ARIN AB188-ARIN AFRINIC-HM-MNT AS12880-MNT AS13041-MNT AS286-MNT BSC-4 CASTEL-MNT CESCA-MNT CW-EUROPE-GSOC DR25-AFRINIC +15 more