$ query “AS50257” --type=asn → 1 result(s)
AS50257 · AMOBILE-AS
JV A-Mobile Ltd.
AS50257 is run by JV A-Mobile Ltd. and is a mid-size transit provider, based in Russia since 2009. The system announces 3 072 IPv4 addresses. Most of its address space is geolocated to Russia. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇷🇺 Russia
- Category
- Internet Service Provider
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- December 10, 2009
- Last Changed
- September 01, 2026
- Last Seen
- September 14, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 18 / 4
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 3 072
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Geolocated Countries
- 🇷🇺 Russia (5 632 IPs)
- Prefix Changed
- August 29, 2026
Reputation
- Reputation
- Good — 11 flagged IPs out of 3 072 total (0.36%)
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Downstream Customers
- 8 downstreams buying transit
- Degree
- 12 unique BGP neighbors
- Reach
- 11 networks in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (18 total)
- 185.10.172.0/22 (1 024 addresses (/22 prefix))
- 185.99.4.0/22 (1 024 addresses (/22 prefix))
- 138.16.232.0/23 (512 addresses (/23 prefix))
- 195.191.4.0/23 (512 addresses (/23 prefix))