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Summary IP address summary information Name
SferiaNET.cz s.r.o. Country
Website
Hosted domains
35 IPv4 addresses
4,096 IPv6 addresses
6.34 × 1029 ASN type
ISP Registry
RIPE Allocated
8 years ago on Jan 26, 2018 Updated
3 years ago on May 22, 2023
WHOIS
ASHandle: █████
OrgID: █████
ASName: ██████
ASNumber: AS█████
RegDate: ████-██-██
Updated: ████-██-██
TechHandle: ████-████
Source: ████
Powered by ASN to WHOIS data Important routers in AS59959
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 AS59959 at robtex .
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Traceroute Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more. Traceroute →
$ traceroute -a -n -q1 -f2 185.147.44.147
traceroute to 185.147.44.147 (185.147.44.147 ): 64 hops max, 52 byte packets
Measurement taken from IPinfo ProbeNet in Prague, CZ
On October 30, 2026
Netblock Company Num of IPs SferiaNET.cz s.r.o.
1,024 SferiaNET.cz s.r.o.
1,024 SferiaNET.cz s.r.o.
1,024 SferiaNET.cz s.r.o.
1,024
Powered by IP Ranges data There are 2 upstreams for this ASN.
ASN Name Rank AS6939 Hurricane Electric LLC #26 AS39392 SH.cz s.r.o. #633
There are 0 downstreams for this ASN.
No downstreams found.
Important routers in AS59959 Share of IPv4 footprint per hexagon Less More
Held location over 90 days 79%
Held location over 1 year 72%
Median days between moves 171 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 35 domain names hosted across 25 IP addresses on this ASN.
Pingable IPs 16 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more
IP Address ASN Details 193.35.93.1 Ping AS59959 SferiaNET.cz s.r.o. #23,391 4.02ms from Prague, CZ 185.243.125.221 Ping AS59959 SferiaNET.cz s.r.o. #23,391 0.26ms from Prague, CZ 185.3.157.221 Ping AS59959 SferiaNET.cz s.r.o. #23,391 4.05ms from Prague, CZ 185.147.46.59 Ping AS59959 SferiaNET.cz s.r.o. #23,391 2.93ms from Prague, CZ 185.3.159.230 Ping AS59959 SferiaNET.cz s.r.o. #23,391 4.61ms from Prague, CZ 185.243.124.29 Ping AS59959 SferiaNET.cz s.r.o. #23,391 0.24ms from Prague, CZ 2a0d:1380:0:1::1 Ping AS59959 SferiaNET.cz s.r.o. #23,391 0.28ms from Prague, CZ 193.35.92.1 Ping AS59959 SferiaNET.cz s.r.o. #23,391 4.04ms from Prague, CZ 185.147.44.141 Ping AS59959 SferiaNET.cz s.r.o. #23,391 0.24ms from Prague, CZ 193.35.94.1 Ping AS59959 SferiaNET.cz s.r.o. #23,391 3.99ms from Prague, CZ
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Activity A pronounced day/night rhythm — the signature of a consumer/eyeball network whose users sleep at night.
Places IPs in this network linked to physical places, based on their Wi-Fi networks.
Places IPs 53 30 10 3 Category In AS59959 Example IP
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There are 38 peers for this ASN.
Times shown in Czechia local time (UTC+1). Less More
Peak hour 00:00–01:00
Active hours 20 hrs
Weekend vs weekday balanced week
Busiest day Thu
Network type Consumer ISP
Geography Czechia New IPinfo Places identifies hotels, airports, stadiums, and more with building-level precision.
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Hotel
Restaurant
Retail