Alfa Telecom CJSC

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks94 · 542,065 IPv4 addresses
IPv6 1 prefix (largest 2a04:b340::/29)
Registered in KG (58) · Czechia (26) · Russia (15) · Poland (9) · Greece (1) · France (1)
Cluster ID213344429
RegistryBGP
Customersfind customers using 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

Footprint over time

6 weekly snapshots · JSON
113 -3 netblocks since 2026-07-05
2026-07-05 peak 116 2026-07-26

IP Ranges (94)

showing 50 of 94 — see all⬇ export CSV
CIDR Org name Registry Status Confidence
31.148.0.0/16 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
95.46.0.0/15 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

IPv6 ranges (1)

Domains hosted in this network

what's this?

Network trust

what's this?
RPKI hygiene: B how networks compare →
90.3% of checked blocks have valid RPKI ROA coverage (102 of 113)
Possible discrepancies (6)

These blocks are registered to Alfa Telecom CJSC 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.

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

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