$ query “AS31143” --type=asn → 1 result(s)
AS31143 · COSMOSTV-AS
COSMOS TV JLLC
AS31143 is run by COSMOS TV JLLC and is a residential access provider, established in Belarus in 2004. The system announces 6 400 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Belarus.
- #5 in Belarus — Top 10 by reach within country
Basic Information
- Country
- 🇧🇾 Belarus
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- March 09, 2004
- Last Changed
- March 04, 2026
- Last Seen
- April 28, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 14 / 9
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 6 400
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇧🇾 Belarus (7 424 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 2 flagged IPs out of 6 400 total (0.03%)
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Downstream Customers
- 2 downstreams buying transit
- Degree
- 4 unique BGP neighbors
- Reach
- 36 583 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (14 total)
- 91.149.136.0/21 (2 048 addresses (/21 prefix))
- 93.125.104.0/22 (1 024 addresses (/22 prefix))
- 178.172.192.0/22 (1 024 addresses (/22 prefix))
- 185.203.152.0/22 (1 024 addresses (/22 prefix))
- 87.252.225.0/24 (256 addresses (/24 prefix))
- 87.252.227.0/24 (256 addresses (/24 prefix))
- 87.252.235.0/24 (256 addresses (/24 prefix))
- 178.172.237.0/24 (256 addresses (/24 prefix))
- 213.184.238.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2a0a:eac0::/29