Autonomous System details

AS203365

Optet network, s. r. o.  ·  optet.cz

Czechia

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AS203365 – Optet network, s. r. o.

Field Value
Country Czechia
Website optet.cz
Hosted domains 47
IPv4 addresses 1,024
IPv6 addresses 633,825,300,114,114,700,000,000,000,000
ASN type ISP
Registry ripe
Allocated 10 years ago on Feb 04, 2016
Updated a year ago on May 21, 2025

IP Ranges

Netblock Company Num of IPs
185.136.196.0/22 Optet network, s. r. o. 1,024
Netblock Company
2a06:fe80::/29 Optet network, s. r. o.
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WHOIS Details

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                                                ASHandle:       AS203365
                                                OrgID:          AS203365
                                                ASName:         AS203365
                                                ASNumber:       AS203365
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 47 domain names hosted across 9 IP addresses on this ASN.

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IP Address Domain Domains on this IP
185.136.199.238 ██████████ 27
185.136.199.198 █████████ 3
185.136.199.237 ██████████ 3
185.136.199.13 ██████████ 2
185.136.199.236 ████████ 1
185.136.199.235 ██████████ 1
185.136.198.152 ██████████ 1
185.136.199.135 ██████████ 1
185.136.199.231 ██████████ 1

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Peers

There are 2 peers for this ASN.

Peers Name
AS202979 NGA Services, spol. s r.o.
AS28725 CETIN a.s.
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS202979 NGA Services, spol. s r.o.
AS28725 CETIN a.s.
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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address ASN Details
185.136.199.1 AS203365 Optet network, s. r. o. 3.18ms from Prague, CZ
185.136.196.1 AS203365 Optet network, s. r. o. 3.22ms from Prague, CZ
185.136.198.65 AS203365 Optet network, s. r. o. 3.19ms 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
16.28.11.85 AS16509 Amazon.com, Inc. 0.10ms from Cape Town, ZA
47.213.254.21 AS19108 Optimum 11.94ms from Dallas, US
3.78.194.245 AS16509 Amazon.com, Inc. 0.17ms from Frankfurt am Main, DE
187.205.74.149 AS8151 UNINET 7.95ms from Guadalajara, MX
79.208.46.37 AS3320 Deutsche Telekom AG 1.67ms from Hamburg, DE
171.228.184.117 AS7552 Viettel Group 2.25ms from Hanoi, VN
130.233.99.53 AS15496 Aalto University 0.70ms from Helsinki, FI
61.191.100.213 AS4134 CHINANET-BACKBONE 5.37ms from Huainan, CN
12.117.152.149 AS7018 AT&T Enterprises, LLC 8.69ms from Milwaukee, US
85.143.227.245 AS3267 SCIENTIFIC RESEARCH INSTITUTE FOR SYSTEM ANALYSIS OF THE NATIONAL RESEARCH CENTRE KURCHATOV INSTITUTE 1.19ms from Moscow, RU
117.89.64.5 AS4134 CHINANET-BACKBONE 1.60ms from Nanjing, CN
153.207.169.101 AS4713 NTT DOCOMO BUSINESS,Inc. 2.65ms from Osaka, JP
176.69.44.101 AS1257 Tele2 Sverige AB 0.61ms from Stockholm, SE
187.12.107.149 AS7738 V tal 0.58ms from São Paulo, BR
81.196.93.5 AS8708 DIGI ROMANIA S.A. 1.63ms from Timisoara, RO
222.136.111.101 AS4837 CHINA UNICOM China169 Backbone 4.26ms from Zhengzhou, CN
195.121.64.5 AS8737 KPN B.V. 0.54ms from Amsterdam, NL
71.57.99.133 AS7922 Comcast Cable Communications, LLC 6.28ms from Chicago, US
123.146.146.165 AS4837 CHINA UNICOM China169 Backbone 2.06ms from Chongqing, CN
18.224.130.133 AS16509 Amazon.com, Inc. 0.16ms from Columbus, US
170.85.101.229 AS22616 ZSCALER, INC. 0.22ms from Dallas, US
84.174.132.165 AS3320 Deutsche Telekom AG 7.75ms from Frankfurt am Main, DE
14.242.205.149 AS45899 VNPT Corp 2.93ms from Ho Chi Minh City, VN
14.88.137.101 AS4766 Korea Telecom 1.64ms from Incheon, KR
1.238.228.213 AS9318 SK Broadband Co Ltd 1.44ms from Incheon, KR

Traceroute

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

$
traceroute -a -n -q1 -f2 185.136.199.1
traceroute to 185.136.199.1 (185.136.199.1): 64 hops max, 52 byte packets
2 [] 91.210.17.48 5.072 ms
Measurement taken from IPinfo ProbeNet in Prague, CZ
On

Related Networks

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 AS203365 at robtex.

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