BAS Network

BGP inherited
Cluster stats
Netblocks24 · 5,126 IPv4 addresses
Registered in BD (13) · Bulgaria (4) · Switzerland (1) · Germany (1) · KZ (1)
Cluster ID208863501
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 15 shared RIR contact/maintainer handles
Registry names 9 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
25 +2 netblocks since 2026-07-05
2026-07-05 peak 25 2026-07-19

IP Ranges (24)

⬇ export CSV
CIDR Org name Registry Status Confidence
103.87.212.0/24 BAS Network BGP ANNOUNCED ● high
103.87.213.0/24 BAS Network BGP ANNOUNCED ● high
103.87.214.0/24 BAS Network BGP ANNOUNCED ● high
103.87.215.0/24 BAS Network BGP ANNOUNCED ● high
103.151.196.232/32 BAS Network PEERINGDB ASSIGNED ● high
103.152.106.0/24 BAS Network BGP ANNOUNCED ● high
103.152.107.0/24 BAS Network BGP ANNOUNCED ● high
103.161.216.82/32 BAS Network PEERINGDB ASSIGNED ● high
138.252.14.0/24 BAS Network BGP ANNOUNCED ● high
138.252.15.0/24 BAS Network BGP ANNOUNCED ● high
160.236.72.0/24 BAS Network BGP ANNOUNCED ● high
160.236.73.0/24 BAS Network BGP ANNOUNCED ● high
2001:df3:d680::232/128 BAS Network PEERINGDB ASSIGNED ● high
2404:4e40::/32 BAS Network BGP ANNOUNCED ● high
2407:840:1:800::59/128 BAS Network PEERINGDB ASSIGNED ● high
37.221.207.240/28 BAS-LAN RIPE ASSIGNED PA ● low
103.87.212.0/22 BAS Network APNIC ALLOCATED PORTABLE ● low
193.73.127.0/24 BAS-RS1 RIPE ASSIGNED PA ● low
195.96.238.0/23 BAS-HMS-7km RIPE ASSIGNED PA ● low
213.191.205.0/24 BAS-P2P RIPE ASSIGNED PA ● low
213.191.208.0/24 BAS-P2P RIPE ASSIGNED PA ● low
213.191.219.0/24 BAS-BIO21 RIPE ASSIGNED PA ● low
217.194.79.240/29 BAS_HH RIPE ASSIGNED PA ● low
2404:4e40::/32 BAS Network APNIC ALLOCATED PORTABLE ● low

Possibly related to this organisation

what's this?
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own naming convention, not a direct registration.

Network trust

what's this?
RPKI hygiene: B how networks compare →
83.3% of checked blocks have valid RPKI ROA coverage (20 of 24)
Possible discrepancies (5)

These blocks are registered to BAS Network 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.

195.96.238.0/23 /23 authorized for AS8745 — Bulgarian Academy of Sciences
193.73.127.0/24 /24 authorized for AS1836 — green.ch AG
213.191.219.0/24 /24 authorized for AS8745 — Bulgarian Academy of Sciences
213.191.205.0/24 /24 authorized for AS8745 — Bulgarian Academy of Sciences
213.191.208.0/24 /24 authorized for AS8745 — Bulgarian Academy of Sciences

NIC Handles

AB1166-AP APNIC-HM AS136429 AS136429 AS1836-MNT BASNET-MNT BNA19-AP BNA19-AP DUMY-RIPE DUMY-RIPE GANAG-MNT MAINT-BASNETWORK-BD +3 more