The IP API The IP API
// ASN

AS15576

NTS, CH

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS15576
Organization
BLS_NETZ_AG_BLS_NETZ
Description
NTS, CH
Country
CH
Registry (RIR)
RIPE
Created
2010-10-03
Updated
2026-03-20
IPv4 Prefixes
42
IPv6 Prefixes
13

IPv4 Prefixes

42 total · showing first 10
185.187.120.0/23
185.218.240.0/22
185.253.192.0/23
185.254.76.0/22
185.63.148.0/24
185.75.152.0/22
185.79.200.0/23
185.79.202.0/23
185.98.152.0/22
188.92.224.0/21

IPv6 Prefixes

13 total · showing first 10
2001:67c:168::/48
2001:67c:18c4::/48
2001:67c:66c::/48
2a00:c38:1a5::/48
2a00:c38::/32
2a01:a480::/32
2a02:ce40::/32
2a03:4ae0::/32
2a03:580::/32
2a03:5e20::/32

What is AS15576?

AS15576 is an Autonomous System Number (ASN) assigned to BLS_NETZ_AG_BLS_NETZ. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.