$ query “AS209505” --type=asn → 1 result(s)
AS209505 · UNCHAINEDISP
Unchained ISP Limited
AS209505 belongs to Unchained ISP Limited and is a residential access provider, based in the United Kingdom since 2019. The system announces 1 280 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United Kingdom. Prefix announcements for this AS were recently updated.
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
- January 28, 2019
- Last Changed
- March 04, 2026
- Last Seen
- April 29, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 2
- IPv6 Prefixes (raw / aggregated)
- 4 / 3
- IPv4 Addresses
- 1 280
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /30
- Geolocated Countries
- 🇬🇧 United Kingdom (2 560 IPs)
- Prefix Changed
- April 30, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Peers
- 78 networks exchanging traffic without transit
- Downstream Customers
- 1 downstream buying transit
- Unclassified
- 3 unclassified BGP neighbors
- Degree
- 86 unique BGP neighbors
- Reach
- 2 networks in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (3 total)
- 185.250.8.0/22 (1 024 addresses (/22 prefix))
- 78.41.136.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (4 total)
- 2a0b:9400::/30
- 2a13:3840:4000::/34
- 2a13:3840:2000::/48