Autonomous System details

AS197451

Brno University of Technology · vutbr.cz

Czechia

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AS197451 – Brno University of Technology

Field	Value
Country	Czechia
Website	vutbr.cz
Hosted domains	385
IPv4 addresses	67,072
IPv6 addresses	1,029,970,948,388,714,846,516,700,000,000
ASN type	Education
Registry	ripe
Allocated	15 years ago on Dec 08, 2010
Updated	8 years ago on Sep 04, 2018

Netblock	Company	Num of IPs
147.229.0.0/17	Brno University of Technology	32,768
147.229.128.0/18	Brno University of Technology	16,384
147.229.192.0/19	Brno University of Technology	8,192
147.229.224.0/19	Brno University of Technology	8,192
185.149.204.0/22	M Computers s.r.o.	1,024
185.62.108.0/23	Brno University of Technology	512
185.149.204.0/24	M Computers s.r.o.	256
185.149.205.0/24	M Computers s.r.o.	256

Netblock	Company
2a07:6bc0::/29	M Computers s.r.o.
2a03:2e4::/30	Brno University of Technology
2a03:2e0::/32	Brno University of Technology
2001:67c:1220::/46	Brno University of Technology

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WHOIS Details

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                                                ASHandle:       AS197451
                                                OrgID:          AS197451
                                                ASName:         AS197451
                                                ASNumber:       AS197451
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 385 domain names hosted across 139 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
147.229.2.90	██████	37
147.229.1.26	██████████	19
185.62.108.37	██████████	17
147.229.123.51	██████████	17
185.62.108.48	██████████	16
185.62.108.230	█████████	13
147.229.127.50	██████████	9
185.62.108.43	██████████	8
185.62.108.110	█████████	8
147.229.242.85	██████████	8

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Peers

There are 12 peers for this ASN.

Peers	Name
AS15935	ha-vel internet s.r.o.
AS16019	Vodafone Czech Republic a.s.
AS201263	Brno University of Technology
AS201931	LBnet.cz s.r.o.
AS202872	KME, spol. s r. o.
AS204860	NetX Networks a.s.
AS207167	mapnet IT services s.r.o.
AS210604	Pernix systems s.r.o.
AS212138	Technicke site Brno, akciova spolecnost
AS24971	MasterDC s.r.o.
AS2852	CESNET z.s.p.o.
AS34222	ZONER a.s.

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ASN API & Database

Upstreams

There are 3 upstreams for this ASN.

upstreams	Name
AS15935	ha-vel internet s.r.o.
AS16019	Vodafone Czech Republic a.s.
AS2852	CESNET z.s.p.o.

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ASN API & Database

Downstreams

There are 8 downstreams for this ASN.

Downstreams	Name
AS201263	Brno University of Technology
AS201931	LBnet.cz s.r.o.
AS202872	KME, spol. s r. o.
AS204860	NetX Networks a.s.
AS207167	mapnet IT services s.r.o.
AS210604	Pernix systems s.r.o.
AS212138	Technicke site Brno, akciova spolecnost
AS34222	ZONER a.s.

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
147.229.130.20	AS197451 Brno University of Technology	`0.49ms` from Brno, CZ
147.229.50.11	AS197451 Brno University of Technology	`0.66ms` from Brno, CZ
147.229.192.1	AS197451 Brno University of Technology	`0.41ms` from Brno, CZ
147.229.135.50	AS197451 Brno University of Technology	`0.42ms` from Brno, CZ
147.229.22.129	AS197451 Brno University of Technology	`0.40ms` from Brno, CZ
147.229.16.1	AS197451 Brno University of Technology	`0.40ms` from Brno, CZ
147.229.56.1	AS197451 Brno University of Technology	`0.36ms` from Brno, CZ
147.229.21.1	AS197451 Brno University of Technology	`0.40ms` from Brno, CZ
147.229.180.1	AS197451 Brno University of Technology	`0.34ms` from Brno, CZ
147.229.75.21	AS197451 Brno University of Technology	`0.44ms` from Brno, CZ
147.229.53.56	AS197451 Brno University of Technology	`0.52ms` from Brno, CZ
147.229.161.1	AS197451 Brno University of Technology	`0.44ms` from Brno, CZ
147.229.163.1	AS197451 Brno University of Technology	`0.41ms` from Brno, CZ
147.229.14.1	AS197451 Brno University of Technology	`0.35ms` from Brno, CZ
147.229.242.97	AS197451 Brno University of Technology	`0.35ms` from Brno, CZ
147.229.48.89	AS197451 Brno University of Technology	`0.52ms` from Brno, CZ
147.229.148.104	AS197451 Brno University of Technology	`0.43ms` from Brno, CZ
147.229.67.5	AS197451 Brno University of Technology	`0.52ms` from Brno, CZ
147.229.42.106	AS197451 Brno University of Technology	`0.48ms` from Brno, CZ
147.229.46.136	AS197451 Brno University of Technology	`0.44ms` from Brno, CZ
147.229.88.126	AS197451 Brno University of Technology	`0.37ms` from Brno, CZ
147.229.86.135	AS197451 Brno University of Technology	`0.46ms` from Brno, CZ
147.229.2.161	AS197451 Brno University of Technology	`0.32ms` from Brno, CZ
147.229.70.1	AS197451 Brno University of Technology	`0.81ms` from Brno, CZ
147.229.35.227	AS197451 Brno University of Technology	`0.58ms` 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
77.166.89.59	AS1136 KPN B.V.	`2.52ms` from Amsterdam, NL
103.152.205.251	AS140880 Monocera Pty Ltd	`0.16ms` from Brisbane, AU
176.91.209.155	AS16135 Turkcell A.S.	`12.87ms` from Istanbul, TR
193.122.75.171	AS31898 Oracle Corporation	`0.32ms` from Jeddah, SA
115.124.43.139	AS58765 B TEL INTERNET PRIVATE LIMITED	`1.22ms` from Kolkata, IN
90.220.117.139	AS5607 Sky UK Limited	`3.76ms` from London, GB
80.45.199.107	AS13285 TalkTalk Communications Limited	`7.96ms` from Manchester, GB
87.14.164.171	AS3269 Telecom Italia S.p.A.	`1.23ms` from Milan, IT
168.197.252.59	AS262907 BRASIL TECPAR \| AMIGO \| AVATO	`1.35ms` from Novo Hamburgo, BR
121.161.89.235	AS4766 Korea Telecom	`1.73ms` from Seoul, KR
185.85.7.139	AS201078 ECIT Solutions A/S	`1.20ms` from Skanderborg, DK
46.235.252.43	AS60098 Filippov Aleksei Vladilenovich	`3.83ms` from Yekaterinburg, RU
142.79.177.123	AS399361 Alcoa USA Corp.	`1.27ms` from Ashburn, US
75.36.66.59	AS7018 AT&T Enterprises, LLC	`10.96ms` from Dallas, US
84.249.11.27	AS1759 Telia Finland Oyj	`3.40ms` from Helsinki, FI
161.248.206.11	AS151505 PT Iktiar Doa Tawakal	`0.37ms` from Jakarta, ID
111.36.28.11	AS24444 Shandong Mobile Communication Company Limited	`3.47ms` from Jinan, CN
49.190.203.59	AS4804 Microplex PTY LTD	`6.50ms` from Melbourne, AU
3.108.109.11	AS16509 Amazon.com, Inc.	`0.14ms` from Mumbai, IN
111.169.159.187	AS2518 BIGLOBE Inc.	`15.52ms` from Osaka, JP
69.163.145.59	AS26347 New Dream Network, LLC	`0.39ms` from Portland, US
52.21.101.107	AS14618 Amazon.com, Inc.	`0.23ms` from Reston, US
79.18.108.91	AS3269 Telecom Italia S.p.A.	`15.80ms` from Rome, IT
62.10.252.187	AS8070 Microsoft Corporation	`18.99ms` from San Antonio, US
189.155.60.187	AS8151 UNINET	`14.19ms` from Santiago de Queretaro, MX

Traceroute

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

traceroute -a -n -q1 -m10 147.229.84.153

traceroute to 147.229.84.153 (147.229.84.153): 10 hops max, 52 byte packets

1 [AS15169] 74.125.252.113 18.749 ms

2 [AS15169] 192.178.252.170 19.057 ms

3 *

4 *

5 [AS15935] 213.195.192.136 21.77 ms

6 [AS197451] 147.229.254.68 21.872 ms

7 [AS197451] 147.229.252.43 22.818 ms

8 *

9 *

10 *

Measurement taken from

IPinfo ProbeNet in Berlin, DE

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 AS197451 at robtex.

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