Autonomous System details

AS20723

AVONET, s.r.o. · avonet.cz

Czechia

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AS20723 – AVONET, s.r.o.

Field	Value
Country	Czechia
Website	avonet.cz
Hosted domains	1,146
IPv4 addresses	16,384
IPv6 addresses	633,825,300,114,114,700,000,000,000,000
ASN type	ISP
Registry	ripe
Allocated	56 years ago on Jan 01, 1970
Updated	9 months ago on Jul 26, 2025

Netblock	Company	Num of IPs
217.112.160.0/20	AVONET, s.r.o.	4,096
217.115.240.0/20	AVONET, s.r.o.	4,096
79.170.248.0/21	AVONET, s.r.o.	2,048
131.117.208.0/21	AVONET, s.r.o.	2,048
178.20.136.0/21	AVONET, s.r.o.	2,048
185.84.232.0/22	AVONET, s.r.o.	1,024
185.111.96.0/22	ICT NWT s.r.o.	1,024

Netblock	Company
2a00:6500::/29	AVONET, s.r.o.

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WHOIS Details

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                                                ASHandle:       AS20723
                                                OrgID:          AS20723
                                                ASName:         AS20723
                                                ASNumber:       AS20723
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 1,146 domain names hosted across 164 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
217.112.162.40	██████████	285
185.111.97.36	██████████	91
217.115.249.180	██████████	68
217.112.167.50	██████████	67
79.170.251.57	██████████	65
79.170.251.58	██████████	43
79.170.251.50	██████████	40
79.170.251.40	██████████	34
185.111.99.49	███████	34
217.115.249.152	██████████	32

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Peers

There are 27 peers for this ASN.

Peers	Name
AS1239	Cogent Communications, LLC
AS16019	Vodafone Czech Republic a.s.
AS174	Cogent Communications, LLC
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AS198150	SIACOM JSC
AS204405	Durnet.cz sro
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS24482	SG.GS
AS24940	Hetzner Online GmbH
AS263444	Open X Tecnologia Ltda
AS2852	CESNET z.s.p.o.
AS29504	Freenet Liberec, z.s.
AS30058	FDCservers.net
AS32590	Valve Corporation
AS36236	NetActuate, Inc
AS39120	Convergenze S.p.A.
AS40994	Hohl IT e.U.
AS43733	Viva Armenia CJSC
AS4455	IX Reach Ltd
AS47232	ISP Alliance a.s.
AS49544	i3D.net B.V
AS51184	Fonira Telekom GmbH
AS6204	INTERKVM HOST SRL
AS6663	Euroweb Romania S.R.L.
AS6881	NIX.CZ z.s.p.o.
AS6939	Hurricane Electric LLC
AS8218	Zayo Infrastructure France SA

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ASN API & Database

Upstreams

There are 4 upstreams for this ASN.

upstreams	Name
AS16019	Vodafone Czech Republic a.s.
AS174	Cogent Communications, LLC
AS30058	FDCservers.net
AS47232	ISP Alliance a.s.

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Downstreams

There is 1 peer for this ASN.

Downstreams	Name
AS204405	Durnet.cz sro

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ASN API & Database

Pingable IPs

89 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
131.117.211.164	AS20723 AVONET, s.r.o.	`2.56ms` from Prague, CZ
217.112.160.7	AS20723 AVONET, s.r.o.	`0.21ms` from Prague, CZ
2a00:6500:2832:e700::1	AS20723 AVONET, s.r.o.	`8.77ms` from Prague, CZ
2a00:6500:282e:8d00:4a8f:5aff:fe7d:1cd	AS20723 AVONET, s.r.o.	`6.09ms` from Prague, CZ
131.117.212.10	AS20723 AVONET, s.r.o.	`4.60ms` from Prague, CZ
217.112.174.225	AS20723 AVONET, s.r.o.	`0.32ms` from Prague, CZ
217.115.255.251	AS20723 AVONET, s.r.o.	`5.07ms` from Prague, CZ
217.115.250.126	AS20723 AVONET, s.r.o.	`0.32ms` from Prague, CZ
2a00:6505:2:2:265::2	AS20723 AVONET, s.r.o.	`4.71ms` from Prague, CZ
185.111.96.1	AS20723 AVONET, s.r.o.	`6.79ms` from Prague, CZ
217.112.162.178	AS20723 AVONET, s.r.o.	`4.51ms` from Prague, CZ
217.115.251.188	AS20723 AVONET, s.r.o.	`4.70ms` from Prague, CZ
2a00:6502:4:1::4	AS20723 AVONET, s.r.o.	`6.11ms` from Prague, CZ
217.112.172.198	AS20723 AVONET, s.r.o.	`4.76ms` from Prague, CZ
79.170.254.5	AS20723 AVONET, s.r.o.	`0.34ms` from Prague, CZ
217.115.247.21	AS20723 AVONET, s.r.o.	`0.38ms` from Prague, CZ
217.115.248.229	AS20723 AVONET, s.r.o.	`0.30ms` from Prague, CZ
79.170.252.117	AS20723 AVONET, s.r.o.	`0.36ms` from Prague, CZ
2a00:6500:1:1::1a	AS20723 AVONET, s.r.o.	`4.56ms` from Prague, CZ
217.112.167.37	AS20723 AVONET, s.r.o.	`0.31ms` from Prague, CZ
185.111.97.228	AS20723 AVONET, s.r.o.	`4.75ms` from Prague, CZ
178.20.136.241	AS20723 AVONET, s.r.o.	`0.32ms` from Prague, CZ
2a00:6500:282c:2b01::1	AS20723 AVONET, s.r.o.	`5.44ms` from Prague, CZ
217.115.245.69	AS20723 AVONET, s.r.o.	`0.33ms` from Prague, CZ
2a00:6505:0:2::1	AS20723 AVONET, s.r.o.	`4.53ms` from Prague, CZ

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
86.95.16.131	AS1136 KPN B.V.	`2.20ms` from Amsterdam, NL
67.173.37.51	AS7922 Comcast Cable Communications, LLC	`2.39ms` from Chicago, US
34.61.69.19	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
73.14.181.115	AS7922 Comcast Cable Communications, LLC	`9.03ms` from Greenwood Village, US
1.190.84.163	AS4837 CHINA UNICOM China169 Backbone	`4.92ms` from Harbin, CN
218.52.233.115	AS9318 SK Broadband Co Ltd	`1.57ms` from Incheon, KR
168.137.0.3	AS26989 H&R Block	`0.44ms` from Kansas City, US
94.232.31.131	AS200515 Gruppa Polyplastic LLC	`1.61ms` from Moscow, RU
116.72.137.3	AS17488 Hathway IP Over Cable Internet	`7.60ms` from Mumbai, IN
183.147.142.51	AS4134 CHINANET-BACKBONE	`6.53ms` from Nanchang, CN
70.111.82.115	AS701 Verizon Business	`2.02ms` from New York City, US
43.230.223.67	AS23848 Shenzhen Ping An Communication Technology Co.,Ltd	`3.26ms` from Shenzhen, CN
20.53.246.19	AS8075 Microsoft Corporation	`0.70ms` from Sydney, AU
113.226.211.163	AS4837 CHINA UNICOM China169 Backbone	`8.57ms` from Tieling, CN
192.23.187.51	AS5384 Emirates Internet	`7.72ms` from Al Fujairah City, AE
54.223.220.211	AS55960 Beijing Guanghuan Xinwang Digital	`3.37ms` from Beijing, CN
190.177.155.131	AS22927 Telefonica de Argentina	`15.90ms` from Buenos Aires, AR
208.100.63.67	AS29802 HIVELOCITY, Inc.	`0.47ms` from Chicago, US
94.54.130.195	AS47524 Turksat Uydu Haberlesme Kablo TV ve Isletme A.S.	`11.89ms` from Denizli, TR
116.96.164.227	AS7552 Viettel Group	`4.96ms` from Hanoi, VN
39.117.162.115	AS9318 SK Broadband Co Ltd	`1.86ms` from Incheon, KR
51.211.96.35	AS25019 Saudi Telecom Company JSC	`1.54ms` from Jeddah, SA
47.201.151.179	AS5650 Frontier Communications of America, Inc.	`6.31ms` from Miami, US
84.49.208.67	AS15659 NextGenTel AS	`6.13ms` from Oslo, NO
54.64.65.115	AS16509 Amazon.com, Inc.	`0.28ms` from Tokyo, JP

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 -f4 185.84.235.153

traceroute to 185.84.235.153 (185.84.235.153): 64 hops max, 52 byte packets

4 [] 91.210.16.6 1.348 ms

5 [AS20723] 217.112.171.141 7.018 ms

6 [AS20723] 217.115.248.177 6.961 ms

7 [AS20723] 217.112.160.173 7.23 ms

8 [AS20723] 178.20.140.214 6.093 ms

9 *

10 [AS20723] 185.84.235.153 6.613 ms

Measurement taken from

IPinfo ProbeNet in Prague, CZ

On April 13th 2026

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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 AS20723 at robtex.

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