Alfa Telecom CJSC

Data as of 2026-09-13
BGP inherited
This organisation
Netblocks97 · 542,065 IPv4 addresses
IPv6 1 prefix (largest 2a04:b340::/29)
Registered in KG (58) · Czechia (29) · Russia (15) · Poland (9) · Greece (1) · France (1)
Record ID241114629
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 32 shared RIR contact/maintainer handles
Registry names 19 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (97)

⬇ export CSV
CIDR Org name Registry Status Confidence
31.148.0.0/16 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
31.148.242.0/24 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
46.251.192.0/19 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.192.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.193.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.194.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.195.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.196.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.197.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.198.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.199.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.200.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.201.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.202.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.203.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.204.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.205.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.206.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.207.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.208.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.209.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.210.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.211.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.212.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.213.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.214.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.215.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.216.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.217.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.218.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
46.251.221.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
91.201.20.0/22 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
92.38.0.0/17 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
92.253.128.0/17 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
93.170.0.0/15 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
93.170.98.0/24 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
95.46.0.0/15 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
95.46.122.0/24 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
109.71.224.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
109.71.224.0/21 Alfa Telecom CJSC BGP ANNOUNCED ● high
109.71.226.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
109.71.228.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
109.71.229.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
109.71.230.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
109.71.231.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
146.120.0.0/16 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
146.158.0.0/17 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
151.249.128.0/17 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
185.48.136.0/22 Alfa Telecom CJSC BGP ANNOUNCED ● high
185.48.136.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
185.48.139.0/24 Alfa Telecom CJSC BGP ANNOUNCED ● high
185.67.252.0/22 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
185.220.220.156/32 Alfa-Met, OOO RIPE ASSIGNED PA ● high
188.130.171.0/24 Alfa-Telecom OOO RIPE ASSIGNED PA ● high
194.213.122.0/23 Alfa Telecom Ltd. BGP ANNOUNCED ● high
195.178.4.0/23 ALFA TELECOM s.r.o. BGP ANNOUNCED ● high
37.221.200.216/29 ALFA-LAN RIPE ASSIGNED PA ● low
37.221.201.164/30 ALFA-LAN RIPE ASSIGNED PA ● low
37.221.201.200/29 ALFA-LAN RIPE ASSIGNED PA ● low
37.221.203.100/30 ALFA-LAN RIPE ASSIGNED PA ● low
46.47.246.196/30 ALFA-MET-LAN RIPE ASSIGNED PA ● low
46.251.192.0/22 ALFA-TELECOM RIPE ASSIGNED PA ● low
46.251.196.0/22 ALFA-TELECOM RIPE ASSIGNED PA ● low
46.251.200.0/22 ALFA-TELECOM RIPE ASSIGNED PA ● low
46.251.204.0/22 ALFA-TELECOM RIPE ASSIGNED PA ● low
46.251.208.0/22 ALFA-TELECOM RIPE ASSIGNED PA ● low
46.251.212.0/22 ALFA-TELECOM RIPE ASSIGNED PA ● low
46.251.216.0/22 ALFA-TELECOM RIPE ASSIGNED PA ● low
46.251.220.0/22 ALFA-TELECOM RIPE ASSIGNED PA ● low
79.134.213.144/30 ALFA-LAN RIPE ASSIGNED PA ● low
79.134.213.148/30 ALFA-LAN RIPE ASSIGNED PA ● low
79.134.215.248/30 ALFA-LAN RIPE ASSIGNED PA ● low
79.134.220.136/30 ALFA-LAN RIPE ASSIGNED PA ● low
84.22.29.128/28 Alfa_Sot RIPE ASSIGNED PA ● low
86.66.29.168/29 ALFA-3A RIPE ASSIGNED PA ● low
89.191.147.0/24 ALFA-BYD RIPE ASSIGNED PA ● low
89.218.144.144/30 Alfa_Med RIPE ASSIGNED PA ● low
93.170.84.0/22 ALFA TELECOM s.r.o. RIPE ASSIGNED PA ● low
94.141.128.0/24 ALFA-BYD RIPE ASSIGNED PA ● low
94.141.130.0/24 ALFA-BYD RIPE ASSIGNED PA ● low
95.167.13.168/30 Alfa_S RIPE ASSIGNED PA ● low
109.71.225.0/24 ALFA-TELECOM RIPE ASSIGNED PA ● low
109.71.226.0/23 ALFA-TELECOM RIPE ASSIGNED PA ● low
109.71.228.0/23 ALFA-TELECOM RIPE ASSIGNED PA ● low
109.124.69.192/29 ALFA-LAN RIPE ASSIGNED PA ● low
109.124.98.72/29 ALFA-LAN RIPE ASSIGNED PA ● low
146.19.33.0/25 ALFA-KS RIPE ASSIGNED PA ● low
146.19.33.128/25 ALFA-KS RIPE ASSIGNED PA ● low
178.16.149.144/30 ALFA-LAN RIPE ASSIGNED PA ● low
185.18.132.0/23 ALFA-KS RIPE ASSIGNED PA ● low
185.18.134.0/23 ALFA-KS RIPE ASSIGNED PA ● low
185.48.136.0/23 ALFA-TELECOM RIPE ASSIGNED PA ● low
185.48.138.0/23 ALFA-TELECOM RIPE ASSIGNED PA ● low
185.255.252.0/23 ALFA-KS RIPE ASSIGNED PA ● low
185.255.254.0/23 ALFA-KS RIPE ASSIGNED PA ● low
194.219.95.96/28 ALFA-MI RIPE ASSIGNED PA ● low
2a04:b340::/29 Alfa Telecom CJSC RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (1)

Footprint over time

12 weekly snapshots · JSON
116 0 netblocks since 2026-07-05
2026-07-05 peak 116 2026-09-13

Domains this organisation publishes

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Other domains hosted in this network

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Network trust

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RPKI hygiene: B how networks compare →
90.5% of checked blocks have valid RPKI ROA coverage (105 of 116)
Possible discrepancies (7)

These blocks are registered to Alfa Telecom CJSC but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

151.249.128.0/17 /17 authorized for AS42772 — Unitary enterprise A1
151.249.128.0/17 /17 authorized for AS42772 — Unitary enterprise A1
93.170.84.0/22 /22 authorized for AS39906 — CoProSys a.s.
89.191.147.0/24 /24 authorized for AS12618 — Politechnika Bydgoska im. Jana i Jedrzeja Sniadeckich
94.141.130.0/24 /24 authorized for AS12618 — Politechnika Bydgoska im. Jana i Jedrzeja Sniadeckich
94.141.128.0/24 /24 authorized for AS12618 — Politechnika Bydgoska im. Jana i Jedrzeja Sniadeckich
31.148.242.0/24 /24 authorized for AS204720 — GLOBAL CLOUD NETWORK LLC

NIC Handles

ALFATELECOM-RIPE-MNT ALFATELECOM-RIPE-MNT AS206538 AS38958 AS44546 AS50223 DUMY-RIPE DUMY-RIPE FORTHNETGR-MNT ITD-MNT KNIC-MNT LDCOM-MNT +20 more