RADIOKOMUNIKACE a.s.

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks18 · 106,757 IPv4 addresses
IPv6 8 prefixes (largest 2a02:a40::/29)
Registered in Czechia (13) · Slovakia (1)
Cluster ID213315532
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
22 0 netblocks since 2026-07-05
2026-07-05 peak 22 2026-07-26

IP Ranges (18)

⬇ export CSV
CIDR Org name Registry Status Confidence
82.99.128.0/18 RADIOKOMUNIKACE a.s. BGP ANNOUNCED ● high
84.244.64.0/18 RADIOKOMUNIKACE a.s. BGP ANNOUNCED ● high
85.207.0.0/16 RADIOKOMUNIKACE a.s. BGP ANNOUNCED ● high
91.210.16.205/32 Radiokomunikace PEERINGDB ASSIGNED ● high
91.210.16.206/32 Radiokomunikace PEERINGDB ASSIGNED ● high
185.0.20.132/32 Radiokomunikace PEERINGDB ASSIGNED ● high
185.0.20.246/32 Radiokomunikace PEERINGDB ASSIGNED ● high
192.108.148.65/32 Radiokomunikace PEERINGDB ASSIGNED ● high
193.32.56.0/24 RADIOKOMUNIKACE a.s. BGP ANNOUNCED ● high
212.158.128.0/19 RADIOKOMUNIKACE a.s. BGP ANNOUNCED ● high
2001:67c:2100::/48 RADIOKOMUNIKACE a.s. BGP ANNOUNCED ● high
2001:7f8:14::3e:1/128 Radiokomunikace PEERINGDB ASSIGNED ● high
2001:7f8:14::3e:2/128 Radiokomunikace PEERINGDB ASSIGNED ● high
2001:7f8:2f::65/128 Radiokomunikace PEERINGDB ASSIGNED ● high
2001:7f8:7f::132/128 Radiokomunikace PEERINGDB ASSIGNED ● high
2001:7f8:7f::246/128 Radiokomunikace PEERINGDB ASSIGNED ● high
2a02:a40::/32 RADIOKOMUNIKACE a.s. BGP ANNOUNCED ● high
2a02:a40::/29 RADIOKOMUNIKACE a.s. RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (8)

Domains hosted in this network

what's this?

Network trust

what's this?
RPKI hygiene: C how networks compare →
59.1% of checked blocks have valid RPKI ROA coverage (13 of 22)
Possible discrepancies (9)

These blocks are registered to RADIOKOMUNIKACE a.s. 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.

2a02:a40::/32 /32 authorized for AS1299 — Arelion Sweden AB
85.207.0.0/16 /16 authorized for AS1299 — Arelion Sweden AB
85.207.0.0/16 /16 authorized for AS1299 — Arelion Sweden AB
82.99.128.0/18 /18 authorized for AS1299 — Arelion Sweden AB
84.244.64.0/18 /18 authorized for AS1299 — Arelion Sweden AB
82.99.128.0/18 /18 authorized for AS1299 — Arelion Sweden AB
84.244.64.0/18 /18 authorized for AS1299 — Arelion Sweden AB
212.158.128.0/19 /19 authorized for AS1299 — Arelion Sweden AB
212.158.128.0/19 /19 authorized for AS1299 — Arelion Sweden AB

NIC Handles

AS25248 AS25248 BlueTone-MNT BlueTone-MNT DUMY-RIPE DUMY-RIPE MESTOJICIN-MNT ORG-CRa1-RIPE RIPE-NCC-HM-MNT