O2 Business Services, a.s

Data as of 2026-09-06
BGP inherited
This organisation
Netblocks19 · 43,268 IPv4 addresses
IPv6 6 prefixes (largest 2a06:2c40::/29)
Registered in Slovakia (12) · Czechia (3)
Also registered under this name 53 netblocks across 4 separate records
Record ID236481123
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 11 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 (19)

⬇ export CSV
CIDR Org name Registry Status Confidence
31.3.32.0/19 O2 Business Services, a.s BGP ANNOUNCED ● high
37.58.0.0/20 O2 Business Services, a.s BGP ANNOUNCED ● high
37.152.96.0/19 O2 Business Services, a.s BGP ANNOUNCED ● high
46.34.224.0/19 O2 Business Services, a.s BGP ANNOUNCED ● high
90.176.0.0/19 O2 Business Services, a.s BGP ANNOUNCED ● high
91.191.69.0/24 O2 Business Services, a.s BGP ANNOUNCED ● high
91.191.80.0/22 O2 Business Services, a.s BGP ANNOUNCED ● high
91.210.17.11/32 O2 Business Services PEERINGDB ASSIGNED ● high
151.236.224.0/20 O2 Business Services, a.s BGP ANNOUNCED ● high
185.0.20.32/32 O2 Business Services PEERINGDB ASSIGNED ● high
185.103.144.0/22 O2 Business Services, a.s BGP ANNOUNCED ● high
192.108.148.42/32 O2 Business Services PEERINGDB ASSIGNED ● high
194.30.187.27/32 O2 Business Services PEERINGDB ASSIGNED ● high
2001:7f8:14::b8:1/128 O2 Business Services PEERINGDB ASSIGNED ● high
2001:7f8:2f::42/128 O2 Business Services PEERINGDB ASSIGNED ● high
2001:7f8:7f::32/128 O2 Business Services PEERINGDB ASSIGNED ● high
2001:7f8:91::40:1/128 O2 Business Services PEERINGDB ASSIGNED ● high
2a03:6947:1800::/40 O2 Business Services, a.s BGP ANNOUNCED ● high
2a06:2c40::/29 O2 Business Services, a.s BGP ANNOUNCED ● high

IPv6 ranges (6)

CIDR
2a06:2c40::/29
2a03:6947:1800::/40
2001:7f8:14::b8:1/128
2001:7f8:2f::42/128
2001:7f8:7f::32/128
2001:7f8:91::40:1/128

Footprint over time

11 weekly snapshots · JSON
22 0 netblocks since 2026-07-05
2026-07-05 peak 22 2026-09-06

Domains hosted in this network

what's this?
statistics.sk susr.sk

Network trust

what's this?
RPKI hygiene: B how networks compare →
81.8% of checked blocks have valid RPKI ROA coverage (18 of 22)
No discrepancies found among checked blocks.

NIC Handles

AS28952 AS28952 AS5610-MTN DUMY-RIPE DUMY-RIPE JW-MNT O2SK-MNT ORG-OBSS2-RIPE RIPE-NCC-HM-MNT SK-BS-MNT SK-BS-MNT