$ query “AS43861” --type=asn → 1 result(s)
AS43861 · CIRCLEB-ASN
Circle B B.V.
AS43861 is run by Circle B B.V. and is a residential access provider, based in the Netherlands since 2016. The system announces 1 536 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the Netherlands.
Basic Information
- Country
- 🇳🇱 Netherlands
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- December 20, 2016
- Last Changed
- October 03, 2026
- Last Seen
- October 14, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 4 / 3
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 1 536
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇳🇱 Netherlands (1 536 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Downstream Customers
- 1 downstream buying transit
- Degree
- 3 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (4 total)
- 45.134.176.0/22 (1 024 addresses (/22 prefix))
- 91.199.227.0/24 (256 addresses (/24 prefix))
- 185.125.242.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (2 total)
- 2a13:acc0::/32
- 2001:678:348::/48