AS number details

AS21283

A1 Slovenija telekomunikacijske storitve,d.d. · a1.si

Slovenia

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AS21283 – A1 Slovenija telekomunikacijske storitve,d.d.

Field	Value
Country	Slovenia
Website	a1.si
Hosted domains	1,427
Number of IPv4	325,632
Number of IPv6	1,346,878,762,742,493,739,090,247,155,712
ASN type	ISP
Registry	ripe
Allocated	23 years ago on Sep 20, 2002
Updated	2 months ago on Jun 23, 2025

Netblock	Company	Num of IPs
46.122.0.0/15	A1 Slovenija	131,072
146.212.0.0/16	A1 Slovenija	65,536
90.157.128.0/17	A1 Slovenija telekomunikacijske storitve,d.d.	32,768
92.37.0.0/17	A1 Slovenija telekomunikacijske storitve,d.d.	32,768
46.164.0.0/18	A1 Slovenija	16,384
212.18.32.0/19	A1 Slovenija	8,192
213.157.224.0/19	A1 Slovenija	8,192
85.10.0.0/19	A1 Slovenija telekomunikacijske storitve,d.d.	8,192
109.239.176.0/20	A1 Slovenija	4,096
62.84.224.0/20	A1 Slovenija	4,096
80.95.224.0/20	A1 Slovenija	4,096
85.10.32.0/20	Reverse delegation for A1 Slovenija	4,096
188.64.24.0/21	A1 Slovenija	2,048
46.122.64.0/21	A1 Slovenija telekomunikacijske storitve,d.d.	2,048
46.122.96.0/21	A1 Slovenija telekomunikacijske storitve,d.d.	2,048
94.127.24.0/21	A1 Slovenija telekomunikacijske storitve,d.d.	2,048
185.173.52.0/22	A1 Slovenija	1,024
185.28.8.0/22	A1 Slovenija	1,024

Netblock	Company
2001:15c0::/29	A1 Slovenija telekomunikacijske storitve,d.d.
2a00:1a20::/29	A1 Slovenija telekomunikacijske storitve,d.d.
2a00:1a20::/32	A1 Slovenija telekomunikacijske storitve,d.d.

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WHOIS Details

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                                                ASHandle:       AS21283
                                                OrgID:          AS21283
                                                ASName:         AS21283
                                                ASNumber:       AS21283
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 1,427 domain names hosted across 404 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
213.157.243.70	██████████	265
212.18.32.18	██████████	224
213.157.243.75	██████████	124
213.157.243.69	█████████	75
213.157.243.67	██████████	74
90.157.157.222	██████████	55
85.10.22.180	██████████	36
85.10.22.169	██████████	35
85.10.14.67	██████████	25
90.157.198.14	██████████	19

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Peers

There are 48 peers for this ASN.

Peers	Name
AS14840	BR.Digital Provider
AS15822	AGENCIJA ZA ENERGIJO
AS1853	ACONET
AS196846	A1 Slovenija telekomunikacijske storitve,d.d.
AS196895	Uprava Republike Slovenije za javna placila
AS197391	Tobacna Ljubljana d.o.o.
AS197907	AKSON, poslovno in informacijsko svetovanje, d.o.o.
AS198061	Valicon d.o.o.
AS198150	SIACOM JSC
AS198524	iLOL d.o.o.
AS198827	Elektro Gorenjska, podjetje za distribucijo elektricne energije, d.d.
AS199612	Dun & Bradstreet d.o.o.
AS201395	IT-TIM d.o.o.
AS203618	UB330.net d.o.o.
AS210197	ROK TAJZEL
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS213115	MMITECH d.o.o.
AS214296	BETATEL LTD
AS22356	Durand do Brasil Ltda
AS25059	Nova Ljubljanska Banka d.d.
AS25066	Nova KBM d.d.
AS263444	Open X Tecnologia Ltda
AS28682	Posta Slovenije d.o.o.
AS28850	Zavod za zdravstveno zavarovanje Slovenije
AS29049	Delta Telecom Ltd
AS29051	ELES, d.o.o.
AS31687	Perutnina Ptuj d.d.
AS3212	Telemach Slovenija d.o.o.
AS3303	Swisscom (Switzerland) Ltd
AS34367	Banka Slovenije
AS39120	Convergenze S.p.A.
AS39727	ZZI's AS Number
AS41505	Delavska hranilnica d.d. Ljubljana
AS41970	Zavod za pokojninsko in invalidsko zavarovanje Slovenije - ZPIZ
AS43061	Stelkom d.o.o.
AS43733	Viva Armenia CJSC
AS44968	IPROM d.o.o
AS47917	RTV Slovenija
AS47993	Bankart procesiranje placilnih instrumentov d.o.o. Ljubljana
AS48419	SALUS, Ljubljana, d.d.
AS48772	GLOBUS MARINE INTERNATIONAL d.o.o.
AS48894	Optimus IT d.o.o.
AS49659	SkyToll, a. s.
AS51185	MainStreaming SpA
AS57463	NetIX Communications JSC
AS6939	Hurricane Electric LLC
AS8447	A1 Telekom Austria AG
AS9498	BHARTI Airtel Ltd.

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Upstreams

There are 2 upstreams for this ASN.

upstreams	Name
AS6939	Hurricane Electric LLC
AS8447	A1 Telekom Austria AG

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Downstreams

There are 21 downstreams for this ASN.

Downstreams	Name
AS196846	A1 Slovenija telekomunikacijske storitve,d.d.
AS196895	Uprava Republike Slovenije za javna placila
AS197391	Tobacna Ljubljana d.o.o.
AS198524	iLOL d.o.o.
AS198827	Elektro Gorenjska, podjetje za distribucijo elektricne energije, d.d.
AS199612	Dun & Bradstreet d.o.o.
AS210197	ROK TAJZEL
AS213115	MMITECH d.o.o.
AS214296	BETATEL LTD
AS25059	Nova Ljubljanska Banka d.d.
AS25066	Nova KBM d.d.
AS29051	ELES, d.o.o.
AS31687	Perutnina Ptuj d.d.
AS34367	Banka Slovenije
AS39727	ZZI's AS Number
AS41970	Zavod za pokojninsko in invalidsko zavarovanje Slovenije - ZPIZ
AS44968	IPROM d.o.o
AS47917	RTV Slovenija
AS48419	SALUS, Ljubljana, d.d.
AS48894	Optimus IT d.o.o.
AS49659	SkyToll, a. s.

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Pingable IPs

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

IP Address	ASN	Details
46.164.43.173	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`0.99ms` from Ljubljana, SI
46.122.11.13	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`11.79ms` from Ljubljana, SI
146.212.37.194	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`0.98ms` from Ljubljana, SI
92.37.22.152	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`0.98ms` from Ljubljana, SI
92.37.126.71	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`1.10ms` from Ljubljana, SI
109.239.179.134	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`3.13ms` from Ljubljana, SI
46.164.50.23	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`1.35ms` from Ljubljana, SI
92.37.107.188	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`0.94ms` from Ljubljana, SI
146.212.9.246	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`1.13ms` from Ljubljana, SI
185.173.53.148	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`0.48ms` from Ljubljana, SI
46.164.54.126	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`1.09ms` from Ljubljana, SI
46.164.45.193	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`1.00ms` from Ljubljana, SI
146.212.195.105	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`0.93ms` from Ljubljana, SI
146.212.219.32	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`1.01ms` from Ljubljana, SI
92.37.26.42	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`1.00ms` from Ljubljana, SI
146.212.76.103	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`0.96ms` from Ljubljana, SI
80.95.235.15	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`1.03ms` from Ljubljana, SI
62.84.227.121	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`0.97ms` from Ljubljana, SI
146.212.10.235	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`0.98ms` from Ljubljana, SI
92.37.1.163	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`0.96ms` from Ljubljana, SI
90.157.207.225	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`0.62ms` from Ljubljana, SI
92.37.25.123	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`0.95ms` from Ljubljana, SI
92.37.0.209	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`1.01ms` from Ljubljana, SI
146.212.53.245	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`1.01ms` from Ljubljana, SI
90.157.219.1	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`2.71ms` from Ljubljana, SI

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
142.0.221.35	AS40266 SpeedyQuick Networks Inc	`2.70ms` from Boise, US
34.121.62.211	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
130.61.60.147	AS31898 Oracle Corporation	`0.43ms` from Frankfurt am Main, DE
130.41.24.83	AS394089 Google LLC	`0.75ms` from Frankfurt am Main, DE
137.138.151.67	AS513 CERN - European Organization for Nuclear Research	`1.13ms` from Geneve, CH
41.117.147.83	AS12091 MTN SA	`18.06ms` from Johannesburg, ZA
139.213.35.131	AS4837 CHINA UNICOM China169 Backbone	`15.24ms` from Liaoyang, CN
185.137.69.227	AS201500 Fibrasur Operadores S.L.	`8.33ms` from Madrid, ES
2.40.177.99	AS30722 Vodafone Italia S.p.A.	`1.78ms` from Milan, IT
96.1.11.195	AS852 TELUS Communications Inc.	`15.72ms` from Montreal, CA
81.166.186.195	AS29695 Altibox AS	`2.25ms` from Oslo, NO
15.188.87.3	AS16509 Amazon.com, Inc.	`0.62ms` from Paris, FR
123.130.172.3	AS4837 CHINA UNICOM China169 Backbone	`7.56ms` from Qingdao, CN
220.92.134.147	AS4766 Korea Telecom	`6.09ms` from Seoul, KR
101.68.218.211	AS4837 CHINA UNICOM China169 Backbone	`3.67ms` from Shanghai, CN
20.195.107.51	AS8075 Microsoft Corporation	`0.22ms` from Singapore, SG
4.197.163.99	AS8075 Microsoft Corporation	`0.70ms` from Sydney, AU
45.60.56.67	AS19551 Incapsula Inc	`0.13ms` from Taipei, TW
80.75.34.99	AS8447 A1 Telekom Austria AG	`0.24ms` from Vienna, AT
1.192.121.179	AS4134 CHINANET-BACKBONE	`5.38ms` from Zhengzhou, CN
92.104.162.195	AS3303 Swisscom (Switzerland) Ltd	`0.72ms` from Zuerich, CH
20.12.41.35	AS8075 Microsoft Corporation	`0.41ms` from Boydton, US
3.146.83.131	AS16509 Amazon.com, Inc.	`0.18ms` from Columbus, US
213.157.20.3	AS12897 ENTEGA Medianet GmbH	`1.11ms` from Frankfurt am Main, DE
183.245.17.83	AS56041 China Mobile communications corporation	`8.94ms` from Hangzhou, CN

Traceroute

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

traceroute -a -n -q1 -f2 -m7 46.123.67.7

traceroute to 46.123.67.7 (46.123.67.7): 7 hops max, 52 byte packets

2 [] 80.249.209.207 19.312 ms

3 [AS8447] 195.3.64.189 19.829 ms

4 [AS8447] 195.3.64.166 19.794 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

On August 22nd 2025

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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 AS21283 at robtex.

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