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Summary IP address summary information Name
T-Systems Schweiz AG Country
Website
Hosted domains
6 IPv4 addresses
2,048 IPv6 addresses
6.34 × 1029 ASN type
ISP Registry
RIPE Allocated
24 years ago on Nov 29, 2001 Updated
3 years ago on Feb 20, 2023
WHOIS
ASHandle: █████
OrgID: █████
ASName: ██████
ASNumber: AS█████
RegDate: ████-██-██
Updated: ████-██-██
TechHandle: ████-████
Source: ████
Powered by ASN to WHOIS data Important routers in AS21405
What is an ASN? Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS21405 at robtex .
Products Products
Data Data
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Resources Resources
Stub AS
Stub AS
Traceroute Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more. Traceroute →
$ traceroute -a -n -q1 -f3 185.153.105.130
traceroute to 185.153.105.130 (185.153.105.130 ): 64 hops max, 52 byte packets
Measurement taken from IPinfo ProbeNet in Zuerich, CH
On October 16, 2026
Places IPs in this network linked to physical places, based on their Wi-Fi networks.
Places IPs 2 2 New IPinfo Places identifies hotels, airports, stadiums, and more with building-level precision.
Explore Places There are 1 peers for this ASN.
ASN Name Rank AS6730 Sunrise GmbH #273
There are 1 upstreams for this ASN.
ASN Name Rank AS6730 Sunrise GmbH #273
There are 0 downstreams for this ASN.
No downstreams found.
Important routers in AS21405 Share of IPv4 footprint per hexagon Less More
Held location over 90 days 74%
Held location over 1 year 89%
Median days between moves 35 days
Geolocation scope City How consistently this network's IPs hold their geolocation. Read relative to the network type, not as a quality score.
There are 6 domain names hosted across 6 IP addresses on this ASN.
Pingable IPs 6 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more
IP Address ASN Details 185.153.105.146 Ping AS21405 T-Systems Schweiz AG #52,202 1.82ms from Zuerich, CH 185.153.104.77 Ping AS21405 T-Systems Schweiz AG #52,202 1.75ms from Zuerich, CH 138.124.232.152 Ping AS21405 T-Systems Schweiz AG #52,202 1.74ms from Zuerich, CH 185.153.106.140 Ping AS21405 T-Systems Schweiz AG #52,202 1.75ms from Zuerich, CH 2a07:8700:1:3::2 Ping AS21405 T-Systems Schweiz AG #52,202 2.87ms from Zuerich, CH 185.153.107.58 Ping AS21405 T-Systems Schweiz AG #52,202 1.74ms from Zuerich, CH
Activity Too few observations to describe this network's daily rhythm with confidence.
Times shown in Switzerland local time (UTC+1). Less More
Peak hour 07:00–08:00
Active hours 11 hrs
Weekend vs weekday weekdays heavier
Busiest day Tue
Network type Consumer ISP
Geography Switzerland 
Restaurant