$ query “AS61231” --type=asn → 1 result(s)
AS61231 · NEOS-NETWORKS
Neos Networks Limited
AS61231 belongs to Neos Networks Limited and is a mid-size transit provider, registered in the United Kingdom since 2012. The system announces a respectable 36 864 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United Kingdom.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇬🇧 United Kingdom
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- December 28, 2012
- Last Changed
- March 04, 2026
- Last Seen
- August 26, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 8 / 7
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 36 864
- Largest IPv4 Prefix
- /17 (32 768 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇬🇧 United Kingdom (38 400 IPs)
- Prefix Changed
- June 26, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 85 networks exchanging traffic without transit
- Downstream Customers
- 30 downstreams buying transit
- Unclassified
- 6 unclassified BGP neighbors
- Degree
- 124 unique BGP neighbors
- Reach
- 33 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (8 total)
- 161.12.0.0/17 (32 768 addresses (/17 prefix))
- 155.136.224.0/22 (1 024 addresses (/22 prefix))
- 185.14.144.0/22 (1 024 addresses (/22 prefix))
- 155.136.198.0/23 (512 addresses (/23 prefix))
- 155.136.230.0/23 (512 addresses (/23 prefix))
- 155.136.232.0/23 (512 addresses (/23 prefix))
- 194.169.150.0/23 (512 addresses (/23 prefix))
IPv6 Prefixes (1 total)
- 2a02:f9c0::/29