$ query “AS15517” --type=asn → 1 result(s)
AS15517 · NETSTREAM-CH
Netstream Holding AG
AS15517 is owned by Netstream Holding AG and is a residential access provider, registered in Switzerland since 2002. The system announces a respectable 26 624 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Switzerland.
Basic Information
- Country
- 🇨🇭 Switzerland
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- July 25, 2002
- Last Changed
- May 01, 2026
- Last Seen
- May 18, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 3
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 26 624
- Largest IPv4 Prefix
- /18 (16 384 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇨🇭 Switzerland (51 200 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Peers
- 49 networks exchanging traffic without transit
- Downstream Customers
- 1 downstream buying transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 53 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (3 total)
- 94.78.0.0/18 (16 384 addresses (/18 prefix))
- 62.65.128.0/19 (8 192 addresses (/19 prefix))
- 213.133.240.0/21 (2 048 addresses (/21 prefix))
IPv6 Prefixes (1 total)
- 2a01:330::/32