$ query “AS201933” --type=asn → 1 result(s)
AS201933 · AS4NET
4net Technologies Ltd
AS201933 is operated by 4net Technologies Ltd and serves as a residential access provider, registered in the United Kingdom since 2018. The system announces 2 048 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United Kingdom.
- Top 5% — Top 5% of all autonomous systems by reach and degree
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 25, 2018
- Last Changed
- October 03, 2026
- Last Seen
- October 12, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 4 / 4
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 2 048
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇬🇧 United Kingdom (2 048 IPs)
- Prefix Changed
- September 24, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 592 networks exchanging traffic without transit
- Downstream Customers
- 4 downstreams buying transit
- Unclassified
- 2 unclassified BGP neighbors
- Degree
- 601 unique BGP neighbors
- Reach
- 4 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (4 total)
- 91.193.116.0/22 (1 024 addresses (/22 prefix))
- 80.247.222.0/23 (512 addresses (/23 prefix))
- 45.90.42.0/24 (256 addresses (/24 prefix))
- 213.193.250.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2a06:40c0::/29