$ query “AS31641” --type=asn → 1 result(s)
AS31641 · ATLAS-COMMUNICATIONS-AS
Atlas Communications (NI) Ltd
AS31641 is operated by Atlas Communications (NI) Ltd and serves as a residential access provider, established in the United Kingdom in 2004. The system announces a respectable 10 240 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United Kingdom.
Basic Information
- Country
- 🇬🇧 United Kingdom
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- June 29, 2004
- Last Changed
- October 03, 2026
- Last Seen
- October 10, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 4 / 4
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 10 240
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇬🇧 United Kingdom (10 240 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Peers
- 4 networks exchanging traffic without transit
- Downstream Customers
- 1 downstream buying transit
- Unclassified
- 11 unclassified BGP neighbors
- Degree
- 18 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (4 total)
- 80.76.192.0/20 (4 096 addresses (/20 prefix))
- 80.95.176.0/20 (4 096 addresses (/20 prefix))
- 185.66.208.0/22 (1 024 addresses (/22 prefix))
- 193.27.32.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (1 total)
- 2a00:1260::/32