81.21.112.0/20

AS44462 · Stadtwerke Muerzzuschlag GmbH

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Summary

Country	Austria
Domain	muerznet.at
ASN	AS44462
Registry	RIPE
ID	AT-MUERZNET-20060113

WHOIS Details

inetnum:        81.21.112.0 - 81.21.127.255
netname:        AT-MUERZNET-20060113
country:        AT
org:            ORG-SMG4-RIPE
admin-c:        HN699-RIPE
tech-c:         AW1931-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MUERZNET-MNT
mnt-domains:    MUERZNET-MNT
mnt-routes:     MUERZNET-MNT
mnt-routes:     AS8447-MNT
notify:         hostmaster@muerznet.at
created:        2006-01-13T13:38:37Z
last-modified:  2016-11-15T09:12:14Z
source:         RIPE
abuse-email:    hostmaster@muerznet.at
abuse-c:        AR14093-RIPE
abuse-org:      ORG-SMG4-RIPE

organisation:   ORG-SMG4-RIPE
org-name:       Stadtwerke Muerzzuschlag GmbH
country:        AT
org-type:       LIR
address:        MARIAZELLER STRASSE 45C
address:        8680
address:        MUERZZUSCHLAG
address:        Austria
phone:          +43 3852 2025 480
fax-no:         +43 3852 2025 620
e-mail:         hostmaster@muerznet.at
abuse-c:        AR14093-RIPE
admin-c:        MA5242-RIPE
admin-c:        NA568-RIPE
mnt-ref:        MUERZNET-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MUERZNET-MNT
created:        2005-12-29T06:11:09Z
last-modified:  2020-12-16T12:34:36Z
source:         RIPE

person:         Hubert Neureuter
address:        Mariazeller Strasse 45 c
address:        A-8680 Muerzzuschlag
phone:          +43 3852 2025 480
e-mail:         hubert.neureuter@muerznet.at
nic-hdl:        AW1931-RIPE
mnt-by:         MUERZNET-MNT
created:        2006-01-03T16:18:48Z
last-modified:  2016-07-06T13:26:25Z
source:         RIPE

person:         Hubert Neureuter
address:        Stadtwerke Muerzzuschlag GmbH
address:        Mariazeller Strasse 45c
address:        8680 Muerzzuschlag
address:        AT
phone:          +43 3852 2025-480
e-mail:         hostmaster@muerznet.at
nic-hdl:        HN699-RIPE
mnt-by:         MUERZNET-MNT
created:        2005-12-07T12:19:09Z
last-modified:  2008-04-15T11:46:58Z
source:         RIPE

route:          81.21.112.0/20
descr:          Stadtwerke Muerzzuschlag GmbH
origin:         AS44462
mnt-by:         MUERZNET-MNT
created:        2008-02-26T13:41:34Z
last-modified:  2008-02-26T13:41:34Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 81.21.0.0/16

Range	ASN	Company	Num of IPs
81.21.32.0/20	AS8544	Primetel PLC	4,096
81.21.144.0/20	AS62862	Rapid Fiber Internet, LLC	4,096
81.21.48.0/20	AS39228	Integrated Networks Co.	4,096
81.21.32.0/20	AS16229	Primetel PLC	4,096
81.21.16.0/20	AS30848	UNIDATA S.p.A.	4,096
81.21.240.0/20	AS1257	Tele2 Sverige AB	4,096
81.21.128.0/21	AS12505	Banco BPM S.P.A	2,048
81.21.136.0/21	AS28878	Signet B.V.	2,048
81.21.8.0/21	AS50670	VTEL HOLDINGS LIMITED/JORDAN CO.	2,048
81.21.228.0/22	AS213005	Invermae Solutions SL	1,024
81.21.232.0/22	AS203020	HostRoyale Technologies Pvt Ltd	1,024
81.21.104.0/24	AS31065	eGOV project_2	256
81.21.105.0/24	AS31065	eGOV project_3	256
81.21.106.0/24	AS31065	National_Telecom_Regulatory_Authority_Egypt	256
81.21.107.0/24	AS31065	MCIT Network	256
81.21.108.0/24	AS31065	MCIT Network	256
81.21.109.0/24	AS31065	Ministry of Communications & IT network.	256
81.21.96.0/24	AS31065	National Telecom Regulatory Authority_2	256
81.21.97.0/24	AS31065	Ministry of Communications and Information Technology	256
81.21.99.0/24	AS31065	Egyptian Ministry of Communication and IT projects. Secondry DNS, AfriNIC whois db servers mirroring, others.	256
81.21.136.0/24	AS31586	Signet Son	256
81.21.48.0/24	AS39228	iNet Backbone Devices	256
81.21.49.0/24	AS39228	Dialup Pool 1 for iNET	256
81.21.50.0/24	AS39228	DSL Pool for iNET	256
81.21.51.0/24	AS39228	Dialup Pool 2 for iNET	256
81.21.179.0/24	AS39244	ST	256
81.21.2.0/24	AS5065	Bunny Communications LLC	256
81.21.8.0/24	AS50670	VTEL HOLDINGS LIMITED/JORDAN CO.	256
81.21.9.0/24	AS50670	VTEL HOLDINGS LIMITED/JORDAN CO.	256
81.21.1.0/24	AS834	VTEL HOLDINGS LIMITED/JORDAN CO.	256
81.21.3.0/24	AS834	VTEL HOLDINGS LIMITED/JORDAN CO.	256
81.21.4.0/24	AS834	VTEL HOLDINGS LIMITED/JORDAN CO.	256
81.21.7.0/24	AS834	VTEL HOLDINGS LIMITED/JORDAN CO.	256
81.21.38.0/24	AS8544	Primetel PLC	256
81.21.41.0/24	AS8544	Primetel PLC	256
81.21.46.0/24	AS8544	NetWay LTD	256
81.21.175.0/24	AS8685	DorukNet	256
81.21.47.0/24	AS16229	NetWay LTD	256
81.21.206.0/24	AS200094	PHU MIROLAN Miroslaw Weclaw	256
81.21.224.0/24	AS209041	CoreIT AB	256
81.21.225.0/24	AS209041	CoreIT AB	256
81.21.226.0/24	AS209041	CoreIT AB	256
81.21.227.0/24	AS209041	CoreIT AB	256
81.21.0.0/24	AS29802	Private Customer	256
81.21.43.0/24	AS30916	NetWay LTD	256
81.21.45.0/24	AS30916	NetWay LTD	256
81.21.102.0/24	AS31065	Egypt Radio and Television Union	256
81.21.103.0/24	AS31065	eGOV project_1	256

Hosted domains

There are 75 domain names hosted across 10 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
81.21.112.135	enerboxx.com	37
81.21.112.2	ttc-muerzzuschlag.at	20
81.21.115.76	entsorgungsfachbetrieb-wesel.de	12
81.21.121.249	chemistry-fileshare-tukf.com	1
81.21.118.85	arnold-glueck.at	1
81.21.121.109	knoll-factory.com	1
81.21.115.88	ecustodia-energy.com	1
81.21.115.68	hanforama.at	1
81.21.122.56	boeb.eu	1
81.21.115.43	horstwillingshofer.at	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
81.21.120.1	AS44462 Stadtwerke Muerzzuschlag GmbH	`6.63ms` from Vienna, AT
81.21.113.110	AS44462 Stadtwerke Muerzzuschlag GmbH	`6.56ms` from Vienna, AT
81.21.121.200	AS44462 Stadtwerke Muerzzuschlag GmbH	`7.60ms` from Vienna, AT
81.21.122.44	AS44462 Stadtwerke Muerzzuschlag GmbH	`11.37ms` from Vienna, AT
81.21.118.3	AS44462 Stadtwerke Muerzzuschlag GmbH	`6.69ms` from Vienna, AT
81.21.127.16	AS44462 Stadtwerke Muerzzuschlag GmbH	`5.10ms` from Vienna, AT
81.21.115.3	AS44462 Stadtwerke Muerzzuschlag GmbH	`6.72ms` from Vienna, AT
81.21.114.81	AS44462 Stadtwerke Muerzzuschlag GmbH	`6.44ms` from Vienna, AT
81.21.125.74	AS44462 Stadtwerke Muerzzuschlag GmbH	`7.35ms` from Vienna, AT
81.21.112.136	AS44462 Stadtwerke Muerzzuschlag GmbH	`6.61ms` from Vienna, AT
81.21.123.222	AS44462 Stadtwerke Muerzzuschlag GmbH	`6.98ms` from Vienna, AT

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
78.111.86.84	AS208951 ITGLOBAL.COM	`0.38ms` from Amsterdam, NL
181.124.105.4	AS23201 Telecel S.A.	`2.03ms` from Asuncion, PY
87.159.122.196	AS3320 Deutsche Telekom AG	`8.90ms` from Frankfurt am Main, DE
129.206.70.244	AS553 BelWue-Koordination	`3.74ms` from Frankfurt am Main, DE
89.93.9.68	AS5410 Bouygues Telecom SA	`14.27ms` from Lyon, FR
31.133.36.244	AS59867 Optilink LLC	`17.32ms` from Moscow, RU
79.218.9.228	AS3320 Deutsche Telekom AG	`7.15ms` from Nuernberg, DE
92.133.114.100	AS3215 Orange S.A.	`10.82ms` from Paris, FR
154.67.184.164	AS21351 Canal + Telecom SAS	`2.66ms` from Saint-Denis, RE
50.18.230.116	AS16509 Amazon.com, Inc.	`0.16ms` from San Jose, US
218.152.97.52	AS4766 Korea Telecom	`1.26ms` from Seoul, KR
121.147.48.228	AS4766 Korea Telecom	`5.08ms` from Seoul, KR
115.160.15.4	AS9694 Seokyung Cable Television Co.. Ltd.	`7.23ms` from Seoul, KR
187.94.194.4	AS262691 CONECTA LTDA.	`10.02ms` from São Paulo, BR
173.206.80.180	AS6407 Primus Telecommunications Canada Inc.	`6.73ms` from Toronto, CA
152.85.8.4	AS10384 Tennessee Valley Authority	`5.15ms` from Atlanta, US
13.246.14.196	AS16509 Amazon.com, Inc.	`0.68ms` from Cape Town, ZA
47.160.56.196	AS5650 Frontier Communications of America, Inc.	`2.06ms` from Dallas, US
175.42.16.36	AS4837 CHINA UNICOM China169 Backbone	`7.88ms` from Fuzhou, CN
156.254.225.4	AS142286 LUOGELANG (FRANCE) LIMITED	`0.68ms` from Hong Kong, HK
170.225.223.36	AS547 IBM	`3.94ms` from San Jose, US
52.130.213.4	AS58593 Shanghai Blue Cloud Technology Co.,Ltd	`2.44ms` from Shanghai, CN
1.168.125.180	AS3462 Data Communication Business Group	`1.36ms` from Taichung, TW
121.115.115.228	AS4713 NTT DOCOMO BUSINESS,Inc.	`11.89ms` from Tokyo, JP
94.231.243.116	AS35224 PLINQ BV	`2.56ms` from Amsterdam, NL

Traceroute

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

traceroute -a -n -q1 -f3 81.21.112.134

traceroute to 81.21.112.134 (81.21.112.134): 64 hops max, 52 byte packets

3 [AS3356] 171.75.8.25 14.974 ms

4 [AS3356] 212.162.40.10 20.2 ms

5 [AS29056] 85.237.11.18 27.115 ms

6 [AS29056] 85.237.14.67 28.727 ms

7 *

8 [AS44462] 81.21.112.134 25.463 ms

Measurement taken from

IPinfo ProbeNet in Zagreb, HR

On February 7th 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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