AS number details

AS12570

O2 Czech Republic, a.s.  ·  o2.cz

Czechia

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AS12570 – O2 Czech Republic, a.s.

Field Value
Country Czechia
Website o2.cz
Hosted domains 2,995
Number of IPv4 53,760
Number of IPv6 713,053,462,628,379,038,341,895,553,024
ASN type ISP
Registry ripe
Allocated 23 years ago on May 27, 2002
Updated a year ago on Jun 20, 2024

IP Ranges

Netblock Company Num of IPs
109.105.32.0/19 O2 Czech Republic, a.s. 8,192
212.4.128.0/19 O2 Czech Republic, a.s. 8,192
212.96.160.0/19 O2 Czech Republic, a.s. 8,192
213.211.32.0/19 O2 Czech Republic, a.s. 8,192
88.83.224.0/19 O2 Czech Republic, a.s. 8,192
80.78.144.0/20 O2 Czech Republic, a.s. 4,096
89.190.48.0/20 O2 Czech Republic, a.s. 4,096
89.190.40.0/21 VELBNET, s.r.o. 2,048
185.8.188.0/22 O2 Czech Republic, a.s. 1,024
193.17.248.0/22 ZEAL s.r.o. 1,024
195.78.122.0/23 ZEAL s.r.o. 512

Netblock Company
2001:4ba8::/29 O2 Czech Republic, a.s.
2a0b:bb41::/32 Netstone s.r.o.
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WHOIS Details

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                                                ASHandle:       AS12570
                                                OrgID:          AS12570
                                                ASName:         AS12570
                                                ASNumber:       AS12570
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 2,995 domain names hosted across 420 IP addresses on this ASN.

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IP Address Domain Domains on this IP
109.105.61.117 ██████████ 431
109.105.53.21 ██████████ 244
212.4.158.38 ██████████ 104
80.78.150.123 ██████████ 101
109.105.49.236 ██████████ 78
109.105.61.93 ████████ 76
212.96.164.158 ██████████ 71
212.4.153.241 ██████████ 58
109.105.53.8 ██████████ 57
212.4.158.101 ██████████ 47

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Peers

There are 16 peers for this ASN.

Peers Name
AS16246 O2 Czech Republic, a.s.
AS196815 LAN servis s.r.o.
AS197798 Net-Connect s.r.o.
AS198346 NETFORMS s.r.o.
AS198620 Bralu Jurjanu biedriba
AS202979 NGA Services, spol. s r.o.
AS204886 Metropolitni sit Humpolec spol. s r.o.
AS211334 MASTER IT Technologies, a.s.
AS213354 INTERNATIONAL HOSTING SOLUTIONS LLP
AS25192 CZ.NIC, z.s.p.o.
AS47232 ISP Alliance a.s.
AS47941 Red Hat Ltd
AS48091 Kraj Vysocina
AS51424 Jiri Sperl
AS51968 NEOS v.o.s.
AS57288 StaMPi, spol. s r.o.
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS16246 O2 Czech Republic, a.s.
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Downstreams

There are 14 downstreams for this ASN.

Downstreams Name
AS196815 LAN servis s.r.o.
AS197798 Net-Connect s.r.o.
AS198346 NETFORMS s.r.o.
AS198620 Bralu Jurjanu biedriba
AS202979 NGA Services, spol. s r.o.
AS204886 Metropolitni sit Humpolec spol. s r.o.
AS211334 MASTER IT Technologies, a.s.
AS213354 INTERNATIONAL HOSTING SOLUTIONS LLP
AS25192 CZ.NIC, z.s.p.o.
AS47941 Red Hat Ltd
AS48091 Kraj Vysocina
AS51424 Jiri Sperl
AS51968 NEOS v.o.s.
AS57288 StaMPi, spol. s r.o.
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ASN API ASN Database Download

Pingable IPs

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

IP Address ASN Details
213.211.56.1 AS12570 O2 Czech Republic, a.s. 0.84ms from Brno, CZ
213.211.52.225 AS12570 O2 Czech Republic, a.s. 1.72ms from Brno, CZ
213.211.60.1 AS12570 O2 Czech Republic, a.s. 2.25ms from Brno, CZ
193.17.248.53 AS12570 O2 Czech Republic, a.s. 3.59ms from Brno, CZ
109.105.51.13 AS12570 O2 Czech Republic, a.s. 2.85ms from Brno, CZ
2001:4ba8:901:1::2 AS12570 O2 Czech Republic, a.s. 3.66ms from Brno, CZ
212.96.163.244 AS12570 O2 Czech Republic, a.s. 0.84ms from Brno, CZ
2001:4ba8:e100::3 AS12570 O2 Czech Republic, a.s. 1.15ms from Brno, CZ
213.211.32.1 AS12570 O2 Czech Republic, a.s. 1.69ms from Brno, CZ
2a0b:bb41:9052::1 AS12570 O2 Czech Republic, a.s. 11.45ms from Brno, CZ
212.96.160.3 AS12570 O2 Czech Republic, a.s. 0.87ms from Brno, CZ
2001:4ba8:701:3407:5054:ff:fe96:998b AS12570 O2 Czech Republic, a.s. 5.07ms from Brno, CZ
2001:4ba8:c00:4::1 AS12570 O2 Czech Republic, a.s. 1.24ms from Brno, CZ
109.105.63.50 AS12570 O2 Czech Republic, a.s. 4.60ms from Brno, CZ
212.96.174.1 AS12570 O2 Czech Republic, a.s. 1.81ms from Brno, CZ
2a0b:bb41:10cc::1 AS12570 O2 Czech Republic, a.s. 9.47ms from Prague, CZ
212.96.187.24 AS12570 O2 Czech Republic, a.s. 8.73ms from Brno, CZ
212.4.135.9 AS12570 O2 Czech Republic, a.s. 8.09ms from Brno, CZ
212.96.189.116 AS12570 O2 Czech Republic, a.s. 8.85ms from Brno, CZ
2001:4ba8:300:2::1 AS12570 O2 Czech Republic, a.s. 1.17ms from Brno, CZ
109.105.39.33 AS12570 O2 Czech Republic, a.s. 2.27ms from Brno, CZ
2a0b:bb41:10e5::1 AS12570 O2 Czech Republic, a.s. 6.69ms from Brno, CZ
212.4.130.1 AS12570 O2 Czech Republic, a.s. 2.16ms from Brno, CZ
109.105.62.2 AS12570 O2 Czech Republic, a.s. 1.05ms from Brno, CZ
2001:4ba8:201:bb::3 AS12570 O2 Czech Republic, a.s. 4.63ms from Brno, 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
20.76.146.138 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
199.219.211.186 AS701 Verizon Business 0.32ms from Ashburn, US
20.172.140.218 AS8075 Microsoft Corporation 0.44ms from Ashburn, US
93.87.38.122 AS8400 TELEKOM SRBIJA a.d. 0.50ms from Belgrade, RS
32.112.162.154 AS2686 AT&T Enterprises, LLC 0.87ms from Budapest, HU
38.98.179.10 AS174 Cogent Communications 0.67ms from Chicago, US
79.254.142.10 AS3320 Deutsche Telekom AG 10.07ms from Frankfurt am Main, DE
38.239.137.186 AS134548 DXTL Tseung Kwan O Service 0.74ms from Hong Kong, HK
68.13.77.202 AS22773 Cox Communications Inc. 8.20ms from Kansas City, US
161.24.30.250 AS61612 DEPARTAMENTO DE CIÊNCIA E TECNOLOGIA AEROESPACIAL 4.17ms from Osasco, BR
154.219.34.218 AS54600 PEG TECH INC 0.21ms from San Jose, US
164.163.143.170 AS28153 Micropic Ltda 3.39ms from Sao Paulo, BR
208.185.29.58 AS6461 Zayo Bandwidth 0.41ms from Secaucus, US
101.128.176.90 AS2497 Internet Initiative Japan Inc. 9.88ms from Tokyo, JP
221.113.165.26 AS4713 NTT Communications Corporation 1.30ms from Tokyo, JP
92.46.15.202 AS9198 JSC Kazakhtelecom 2.23ms from Almaty, KZ
77.166.31.26 AS1136 KPN B.V. 1.53ms from Amsterdam, NL
178.230.175.42 AS31615 Odido Netherlands B.V. 8.36ms from Amsterdam, NL
221.180.239.170 AS9808 China Mobile Communications Group Co., Ltd. 13.61ms from Beijing, CN
201.244.44.106 AS19429 ETB - Colombia 1.02ms from Bogota, CO
75.145.150.250 AS7922 Comcast Cable Communications, LLC 3.68ms from Chicago, US
221.203.211.10 AS4837 CHINA UNICOM China169 Backbone 10.68ms from Dalian, CN
104.187.144.10 AS7018 AT&T Enterprises, LLC 7.13ms from Dallas, US
96.87.188.74 AS7922 Comcast Cable Communications, LLC 16.26ms from Dallas, US
123.18.216.58 AS45899 VNPT Corp 3.28ms from Hanoi, VN

Traceroute

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

$
traceroute -a -n -q1 -f3 -m16 88.83.226.45
traceroute to 88.83.226.45 (88.83.226.45): 16 hops max, 52 byte packets
3 [AS1299] 62.115.136.120 28.975 ms
4 [AS1299] 62.115.122.139 31.063 ms
5 *
6 *
7 *
8 [AS5610] 90.182.199.221 44.412 ms
10 [AS41046] 81.200.48.150 45.373 ms
11 [AS16246] 94.74.231.202 70.619 ms
12 [AS12570] 212.96.178.34 65.928 ms
13 [AS12570] 212.96.178.7 49.076 ms
14 *
15 *
16 *
Measurement taken from IPinfo ProbeNet in Barcelona, ES
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 AS12570 at robtex.

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