$ query “AS203434” --type=asn → 1 result(s)
AS203434 · OPEN-CIRCLE
Open Circle AG
AS203434 is run by Open Circle AG and is an enterprise stub network, established in Switzerland in 2016. The system announces 2 048 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Switzerland.
Basic Information
- Country
- 🇨🇭 Switzerland
- Category
- Business
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- January 19, 2016
- Last Changed
- August 01, 2026
- Last Seen
- August 09, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 8 / 2
- IPv6 Prefixes (raw / aggregated)
- 5 / 1
- IPv4 Addresses
- 2 048
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇨🇭 Switzerland (4 096 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 44 networks exchanging traffic without transit
- Unclassified
- 2 unclassified BGP neighbors
- Degree
- 49 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (8 total)
- 45.66.232.0/22 (1 024 addresses (/22 prefix))
- 185.134.164.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (5 total)
- 2a00:b0a0::/29