45.91.0.0/22

AS208663 · Martin Ph. D. Pustka

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Summary

Country	Czechia
Domain	mtu.cz
ASN	AS208663
Registry	RIPE
ID	CZ-MTU-20190626

WHOIS Details

inetnum:        45.91.0.0 - 45.91.3.255
netname:        CZ-MTU-20190626
country:        CZ
org:            ORG-MP204-RIPE
admin-c:        MP34015-RIPE
tech-c:         MP34015-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-cz-mtu-1
created:        2019-06-26T11:43:39Z
last-modified:  2019-06-26T11:43:39Z
source:         RIPE
abuse-email:    [email protected]
abuse-c:        AR53395-RIPE
abuse-org:      ORG-MP204-RIPE

organisation:   ORG-MP204-RIPE
org-name:       Martin Ph. D. Pustka
country:        CZ
org-type:       LIR
address:        U Hrusky 81/15
address:        71500
address:        Ostrava
address:        CZECH REPUBLIC
phone:          +420 604 668 127
e-mail:         [email protected]
admin-c:        MP34015-RIPE
tech-c:         MP34015-RIPE
abuse-c:        AR53395-RIPE
mnt-ref:        mnt-cz-mtu-1
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-cz-mtu-1
created:        2019-06-24T05:54:57Z
last-modified:  2024-07-30T11:19:33Z
source:         RIPE

person:         Martin Pustka
address:        U Hrusky 81/15
address:        71500
address:        Ostrava
address:        CZECH REPUBLIC
phone:          +420 604 668 127
nic-hdl:        MP34015-RIPE
mnt-by:         mnt-cz-mtu-1
created:        2019-06-24T05:54:56Z
last-modified:  2019-06-24T05:54:57Z
source:         RIPE

route:          45.91.0.0/22
origin:         as208663
mnt-by:         mnt-cz-mtu-1
created:        2019-07-12T20:06:50Z
last-modified:  2019-07-12T20:06:50Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 45.91.0.0/16

Range	ASN	Company	Num of IPs
45.91.180.0/22	AS208648	Playground HUB s.r.o.	1,024
45.91.240.0/22	AS208640	Channel One Russia Worldwide JSC	1,024
45.91.212.0/22	AS31276	CeCon Computer Systems Handelsgesellschaft mbH	1,024
45.91.152.0/22	AS208651	Shahr Bank PJSC	1,024
45.91.244.0/22	AS208645	LOOP21 Mobile Net GmbH	1,024
45.91.40.0/22	AS212238	XT NETWORK SARL	1,024
45.91.216.0/22	AS25082	Information Centre Elektronni Visti LLC	1,024
45.91.140.0/22	AS208655	Bank J. Van Breda & Co NV	1,024
45.91.220.0/22	AS59668	Turon Media XK	1,024
45.91.128.0/22	AS205722	Binotel LLC	1,024
45.91.144.0/22	AS57752	VOIP Telecom SAS	1,024
45.91.60.0/22	AS41731	Robert Finze	1,024
45.91.104.0/22	AS209196	Elektronet Zrt.	1,024
45.91.176.0/22	AS203061	Koehler Internet Services UG (haftungsbeschraenkt)	1,024
45.91.224.0/22	AS136038	HDTIDC LIMITED	1,024
45.91.28.0/22	AS35236	UVT Internet s.r.o.	1,024
45.91.164.0/22	AS29802	Azadeh Golestan Parast trading as Virtual Dedicated Datacenter Services FZCO	1,024
45.91.36.0/22	AS48294	Ogi Networks Ltd.	1,024
45.91.188.0/22	AS9009	Aventice LLC	1,024
45.91.56.0/22	AS57112	F2X Operator B.V.	1,024
45.91.12.0/22	AS59645	Tobias Fiebig	1,024
45.91.184.0/22	AS202074	Link Telecomunicazioni SRL	1,024
45.91.68.0/22	AS48886	Communications Security Net B.V.	1,024
45.91.172.0/22	AS211902	CINCANETWORKS SL	1,024
45.91.204.0/22	AS208608	Haemoglobin	1,024
45.91.88.0/22	AS203020	HostRoyale Technologies Pvt Ltd	1,024
45.91.112.0/22	AS201838	Community Fibre Limited	1,024
45.91.84.0/22	AS46918	owner: Global Peering Solutions	1,024
45.91.174.0/23	AS211902	CINCANETWORKS SL	512
45.91.172.0/23	AS211902	CINCANETWORKS SL	512
45.91.10.0/23	AS397373	Riserank Sp. z o.o.	512
45.91.198.0/23	AS395793	Arisk Communications inc.	512
45.91.218.0/23	AS25082	VINERTELECOM, LLC	512
45.91.252.0/23	AS204413	Hyve Ltd	512
45.91.118.0/23	AS197731	AllCloud Services BV	512
45.91.216.0/23	AS25082	VINERTELECOM, LLC	512
45.91.17.0/24	AS208638	Mimecast Services Limited	256
45.91.120.0/24	AS203059	VION	256
45.91.16.0/24	AS208638	Mimecast Services Limited	256
45.91.126.0/24	AS208627	Alarig Le Lay	256
45.91.51.0/24	AS149782	Brisk Technology	256
45.91.125.0/24	AS208567	Boris Tassou	256
45.91.161.0/24	AS202656	IT Hostline Ltd	256
45.91.148.0/24	AS212238	Pilo IP BV	256
45.91.124.0/24	AS205690	CYBER AZERTY CLUB	256
45.91.227.0/24	AS137427	IP Transit	256
45.91.22.0/24	AS137409	VPN Consumer Paris, France	256
45.91.237.0/24	AS210976	Timeweb.Cloud LLC	256
45.91.159.0/24	AS20546	3A Blockchain Consulting GmbH	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Pingable IPs

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

IP Address	ASN	Details
45.91.0.42	AS208663 Martin Ph. D. Pustka	`5.63ms` 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
222.213.67.246	AS4134 CHINANET-BACKBONE	`8.05ms` from Chengdu, CN
20.59.224.230	AS8075 Microsoft Corporation	`0.59ms` from Chicago, US
12.245.100.6	AS7018 AT&T Enterprises, LLC	`8.08ms` from Dallas, US
115.199.105.134	AS4134 CHINANET-BACKBONE	`5.93ms` from Hangzhou, CN
14.253.144.22	AS45899 VNPT Corp	`2.23ms` from Ho Chi Minh City, VN
172.126.116.134	AS7018 AT&T Enterprises, LLC	`2.13ms` from Houston, US
211.244.59.54	AS9318 SK Broadband Co Ltd	`1.13ms` from Incheon, KR
80.234.139.230	AS5413 Wavenet Limited	`2.44ms` from London, GB
34.75.226.118	AS396982 Google LLC	`0.15ms` from Moncks Corner, US
83.239.142.134	AS33934 OJSC Volgogradelectrosviaz	`18.62ms` from Moscow, RU
68.174.135.6	AS12271 Charter Communications Inc	`3.43ms` from New York City, US
20.169.72.182	AS8075 Microsoft Corporation	`0.18ms` from Phoenix, US
61.74.151.22	AS4766 Korea Telecom	`1.36ms` from Seoul, KR
125.228.212.38	AS3462 Data Communication Business Group	`2.16ms` from Taichung, TW
121.101.102.134	AS2527 Sony Network Communications Inc.	`2.98ms` from Tokyo, JP
46.174.208.70	AS16110 Podkarpacki.net Rafal Czarny	`5.24ms` from Warsaw, PL
44.230.147.102	AS16509 Amazon.com, Inc.	`0.17ms` from Boardman, US
193.224.61.150	AS1955 KIFU (Governmental Info Tech Development Agency)	`4.00ms` from Budapest, HU
195.199.77.22	AS1955 KIFU (Governmental Info Tech Development Agency)	`8.85ms` from Budapest, HU
186.132.99.246	AS22927 Telefonica de Argentina	`1.86ms` from Buenos Aires, AR
170.254.61.38	AS28075 ARLINK S.A.	`19.57ms` from Buenos Aires, AR
145.14.135.134	AS212238 Datacamp Limited	`0.14ms` from Dallas, US
188.136.230.134	AS15943 wilhelm.tel GmbH	`0.47ms` from Hamburg, DE
91.97.253.102	AS9145 EWE TEL GmbH	`4.28ms` from Hamburg, DE
60.15.127.6	AS4837 CHINA UNICOM China169 Backbone	`5.31ms` from Harbin, CN

Traceroute

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

traceroute -a -n -q1 -m6 45.91.1.243

traceroute to 45.91.1.243 (45.91.1.243): 6 hops max, 52 byte packets

1 [AS31898] 140.91.232.46 0.072 ms

2 [AS6453] 180.87.105.34 0.95 ms

3 [AS6453] 180.87.105.33 1.111 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Singapore, SG

On January 30th 2026

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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