$ query “AS15576” --type=asn → 1 result(s)
AS15576 — NTS
NTS workspace AG
AS15576 is a mid-size transit provider operated by NTS workspace AG, established in Switzerland in 2004. The network announces a respectable 46 592 IPv4 addresses. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #8 in Switzerland — Top 10 by reach within country
Basic Information
- Country
- 🇨🇭 Switzerland
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- February 24, 2004
- Last Changed
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 43 / 39
- IPv6 Prefixes (raw / aggregated)
- 13 / 12
- IPv4 Addresses
- 46 592
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇨🇭 CH (71 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 46 592 total (0.00%)
Connectivity Summary
- Upstream Providers
- 3 upstream autonomous systems providing transit
- Peers
- 590 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 36 downstream autonomous systems buying transit
- Degree
- 632 unique BGP neighbors (providers + customers + peers)
- Reach
- 138 — customer cone size measuring network influence
- Degree Rank
- #229
- Reach Rank
- #932
- Country Rank
- #8
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (43 total)
- 212.103.64.0/19 (8 192 addresses)
- 217.11.208.0/20 (4 096 addresses)
- 217.68.224.0/20 (4 096 addresses)
- 217.146.160.0/20 (4 096 addresses)
- 77.95.120.0/21 (2 048 addresses)
- 85.118.216.0/21 (2 048 addresses)
- 94.126.248.0/21 (2 048 addresses)
- 188.92.224.0/21 (2 048 addresses)
- 217.197.128.0/21 (2 048 addresses)
- 87.237.172.0/22 (1 024 addresses)
- 88.214.4.0/22 (1 024 addresses)
- 185.63.148.0/22 (1 024 addresses)
- 185.75.152.0/22 (1 024 addresses)
- 185.79.200.0/22 (1 024 addresses)
- 185.98.152.0/22 (1 024 addresses)
- 185.218.240.0/22 (1 024 addresses)
- 185.254.76.0/22 (1 024 addresses)
- 193.138.212.0/22 (1 024 addresses)
- 94.176.192.0/23 (512 addresses)
- 185.187.120.0/23 (512 addresses)
- 185.253.192.0/23 (512 addresses)
- 195.189.252.0/23 (512 addresses)
- 203.56.114.0/23 (512 addresses)
- 91.198.79.0/24 (256 addresses)
- 91.199.198.0/24 (256 addresses)
- 193.8.77.0/24 (256 addresses)
- 193.17.76.0/24 (256 addresses)
- 193.43.27.0/24 (256 addresses)
- 193.43.183.0/24 (256 addresses)
- 193.47.103.0/24 (256 addresses)
- 193.47.190.0/24 (256 addresses)
- 193.104.116.0/24 (256 addresses)
- 193.200.157.0/24 (256 addresses)
- 193.222.138.0/24 (256 addresses)
- 194.11.160.0/24 (256 addresses)
- 194.153.94.0/24 (256 addresses)
- 194.176.116.0/24 (256 addresses)
- 195.137.172.0/24 (256 addresses)
- 195.216.227.0/24 (256 addresses)
IPv6 Prefixes (13 total)
- 2a06:5100::/29
- 2a00:c38::/32
- 2a01:a480::/32
- 2a02:ce40::/32
- 2a03:580::/32
- 2a03:4ae0::/32
- 2a03:5e20::/32
- 2a14:3e44::/32
- 2a0b:9e80::/36
- 2001:67c:168::/48
- 2001:67c:66c::/48
- 2001:67c:18c4::/48