AS number details

AS1257

Tele2 Sverige AB · tele2.se

vpn
bittorrent

AS1257 – Tele2 Sverige AB

Field	Value
Country	Sweden
Website	tele2.se
Hosted domains	92,598
Number of IPv4	6,558,976
Number of IPv6	17,034,100,879,747,977,938,520,588,156,928
ASN type	ISP
Registry	ripe
Allocated	21 years ago on Sep 19, 2002
Updated	a year ago on Oct 06, 2022

Netblock	Company	Num of IPs
130.244.0.0/16	Swipnet backbone	65,536
130.244.157.0/24	Swipnet backbone	256
130.28.1.0/24	Vetenskapsradet / SUNET	256
130.28.2.0/24	Vetenskapsradet / SUNET	256
138.215.0.0/24	Tulldata	256
138.215.252.0/23	Tulldata	512
138.215.254.0/24	Tulldata	256
138.215.255.0/24	Tulldata	256
139.122.190.0/24	SCANIA CV AB	256
145.235.0.0/23	Kriminalvarden	512
150.227.0.0/16	National Defense Research Establishment	65,536
151.177.0.0/16	Tele2 Sverige AB	65,536
159.190.0.0/16	Domstolsverket	65,536
176.68.0.0/14	Tele2 Sverige AB	262,144
178.218.152.0/22	Tele2 Sverige AB	1,024
185.118.160.0/22	Tele2 Eesti AS	1,024
185.121.204.0/24	Axiell Group AB	256
185.144.144.0/22	Nethouse Sverige AB	1,024
185.152.176.0/22	Zedcom ISP AB	1,024
185.208.68.0/22	Nossebroortens energi ekonomisk forening	1,024
185.2.228.0/22	Tele2 Sverige AB	1,024
185.230.24.0/22	Lunet AB	1,024
185.45.120.0/23	ITS Nordic AB	512
185.45.122.0/24	ITS Nordic AB	256
185.45.123.0/24	ITS Nordic AB	256
185.56.212.0/22	Iver Sverige AB	1,024
185.57.168.0/22	Iver Sverige AB	1,024
185.93.160.0/22	QuickNet AB	1,024
188.148.0.0/14	Tele2 Sverige AB	262,144
188.65.152.0/21	Iver Sverige AB	2,048
192.121.1.0/24	Svenska Kraftnat	256
192.121.104.0/24	Textalk AB	256
192.121.235.0/24	Tranas Kommun	256
192.121.255.0/24	Skane Nordost IT-namnd	256
192.121.32.0/24	Datametrix AB	256
192.121.33.0/24	Datametrix AB	256
192.121.48.0/24	Loomis AB	256
192.121.49.0/24	Tele2 Sverige AB	256
192.121.61.0/24	Norra Vastmanlands kommunalforbund	256
192.121.89.0/24	Kemikalieinspektionen	256
192.137.161.0/24	SOCIALSTYRELSEN	256
192.137.162.0/24	SOCIALSTYRELSEN	256
192.137.163.0/24	SOCIALSTYRELSEN	256
192.137.164.0/24	SOCIALSTYRELSEN	256
192.165.122.0/24	Nordic Europa Association	256
192.165.142.0/24	Iver Sverige AB	256
192.165.170.0/24	HTTP 403 Invest AB	256
192.165.238.0/24	DUNI 2	256
192.165.255.0/24	Pagengruppen AB	256
192.165.38.0/24	AB Ostgota Correspondenten	256
192.165.44.0/24	Osthammars kommun	256
192.165.81.0/24	Tele2 Sverige AB	256
192.165.96.0/22	Halmstads kommun	1,024
192.176.104.0/24	Swisslog AB	256
192.176.105.0/24	Swisslog AB	256
192.176.106.0/24	Swisslog AB	256
192.176.206.0/24	Ersta Diakonisallskap	256
192.176.208.0/23	Swedavia AB	512
192.176.210.0/24	Swedavia AB	256
192.176.212.0/24	Swedavia AB	256
192.176.215.0/24	Swedavia AB	256
192.176.216.0/23	Swedavia AB	512
192.176.218.0/24	Swedavia AB	256
192.176.220.0/23	Swedavia AB	512
192.176.222.0/24	Swedavia AB	256
192.176.234.0/24	Norrbottenskuriren	256
192.176.239.0/24	Vikon Vibrationskonsult AB	256
192.176.48.0/22	QuickNet AB	1,024
192.176.5.0/24	DUNI 5	256
192.34.107.0/24	Ballingslov AB	256
192.36.13.0/24	FOI 2	256
192.36.132.0/24	FOI	256
192.36.138.0/24	EPACT	256
192.36.14.0/24	FOI	256
192.36.18.0/24	Swedish Nuclear Fuel and Waste Management Co, SKB	256
192.36.216.0/24	ErgoData AB	256
192.36.218.0/24	QuickNet AB	256
192.36.220.0/23	FOI	512
192.36.244.0/24	SECTRA AB	256
192.36.25.0/24	Boverket	256
192.36.254.0/24	Boverket	256
192.36.43.0/24	Tieto Sweden AB	256
192.36.80.0/24	Guest	256
192.55.42.0/24	Intel Corporation	256
192.71.159.0/24	K.G Knutsson AB	256
192.71.180.0/24	Swipnet	256
192.71.189.0/24	Metria AB	256
192.71.219.0/24	Tele2 lan	256
192.71.220.0/24	Swipnet	256
192.71.228.0/24	Cafax AB service network	256
192.71.251.0/24	Mannheimer Swartling Advokatbyra	256
192.71.99.0/24	Goteborgs Posten	256
193.105.226.0/24	InfraCom Communications AB	256
193.12.0.0/14	Tele2 Sverige AB	262,144
193.12.21.0/24	Tele2 Sverige AB	256
193.13.160.0/20	SE TELE2 BROADBAND	4,096
193.138.74.0/24	Iver Sverige AB	256
193.14.192.0/20	SE TELE2 BROADBAND	4,096
193.150.192.0/18	Tele2 Sverige AB	16,384
193.17.67.0/24	Kristianstads Kommun	256

Show more IP ranges

The list on this page is limited to 100 results. The totality of IPv4 ranges for this ASN is available through our ASN & IP Ranges APIs.

Netblock	Company
2001:678:240::/48	Diaverum Sweden AB
2001:678:3ec::/48	Kristianstads Kommun
2001:678:450::/48	Hassleholms kommun
2001:678:454::/48	IT Kommuner i Skane AB
2001:678:d5c::/48	Falkenbergs kommun
2001:678:edc::/48	FOI
2001:67c:10c8::/48	Consat AB
2001:67c:13f4::/48	Tanums Kommun
2001:67c:1488::/48	Havs- och Vattenmyndigheten
2001:67c:15c8::/48	Stromstads kommun
2001:67c:17bc::/48	Swedish Coastguard
2001:67c:17dc::/48	Halmstads kommun
2001:67c:17f4::/48	Svedala Kommun
2001:67c:189c::/48	Socialstyrelsen
2001:67c:1920::/48	Sveriges Domstolar
2001:67c:202c::/48	Hoganas kommun
2001:67c:22c8::/48	Clavister AB
2001:67c:2650::/48	Harnosands kommun
2001:67c:28c4::/48	Kemikalieinspektionen
2001:67c:2b24::/48	Tullverket
2001:67c:2bd4::/48	Karlskoga kommun
2001:67c:2c4c::/48	MKB Fastighets AB
2001:67c:448::/48	Upplands Vasby Kommun
2001:67c:488::/48	Motala kommun
2001:6f0::/29	Tele2 Sverige AB
2a00:800:233::/48	Tele2 EE - Estonia infrastructure
2a00:800::/25	Tele2 Sverige AB
2a00:800:428::/48	Tele2 LV - Latvia infrastructure
2a00:800:440::/48	Tele2 LT - Lithuania infrastructure
2a00:807::/32	Tele2 customers in Estonia
2a00:808::/32	Tele2 Sverige AB
2a00:809::/32	Tele2 customers in Lithuania
2a00:cc8::/32	Lunet AB
2a01:1b8::/32	Tele2 Sverige AB
2a01:280:310::/48	Kristianstads Kommun
2a01:280:390::/48	HTTP 403 Invest AB
2a01:4400:1::/48	IT Garden IPv6 Network
2a01:4400:2::/48	TP Network IPv6 assignment
2a01:4400:3::/48	Iver Sverige AB
2a01:4400:4::/48	External iPv6 DMZ Network range forDeployment services
2a01:4400:4747::/48	Iver Sverige AB
2a01:4400:5::/48	IT Garden AB DMZ IPv6 Network
2a01:4400:6::/48	IT Garden AB Customer DMZ IPv6 Network
2a01:7ee0::/48	ITS Nordic AB
2a01:b880::/32	Nossebroortens energi ekonomisk forening
2a02:5120::/32	Iver Sverige AB
2a04:ae00::/26	Tele2 Sverige AB
2a0a:3740::/29	Hogsby Nat AB
2a11:cd40:1000::/48	Netcoil AB

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WHOIS Details

aut-num:        AS1257
descr:          TELE2
as-name:        SWIPNET
org:            ORG-TA44-RIPE
descr:          TELE2 Group
descr:          Pan-European IP Backbone
admin-c:        RRT2-RIPE
tech-c:         RRT2-RIPE
mnt-by:         AS1257-MNT
remarks:        +---- AS1257 TELE2 Internet since 1991 ----+
remarks:        Corporate site: https://www.tele2.com
remarks:        Please replace _at_ with the @-sign
remarks:        Routing & Tech: peering-ops_at_tele2.com
remarks:        Abuse and SPAM: abuse_at_tele2.com
remarks:        NOC (24/7/365): dnoc_at_tele2.com
remarks:        NOC (24/7/365): +46 8 12 814 000
remarks:        NOC Fax: +46 8 56 264 444
remarks:        +--------------------- Peering with Tele2 --------------------+
remarks:        Tele2 operates a selective peering policy, it is
remarks:        recommended you review our policy for settlement-free
remarks:        interconnection, documented at:
remarks:        http://as1257.tele2.net/peering/
remarks:        before applying for peering with our network. If you do
remarks:        feel that you qualify, you may reach our peering team
remarks:        at peering_at_tele2.com
remarks:        Operational issues of:
remarks:        Routing & Tech: peering-ops_at_tele2.com
remarks:        Abuse and SPAM: abuse_at_tele2.com
remarks:        NOC (24/7/365): dnoc_at_tele2.com
remarks:        NOC (24/7/365): +46 8 12 814 000
remarks:        NOC Fax: +46 8 56 264 444
remarks:        +------------- Points of Presence for IP Peering -------------+
remarks:        Check PeeringDB for more information:
remarks:        https://www.peeringdb.com/asn/1257
remarks:        +-----------------------------------+
admin-c:        RRT2-RIPE
tech-c:         RRT2-RIPE
status:         LEGACY
notify:         peering-ops@tele2.com
notify:         ip@tele2.com
mnt-by:         AS1257-MNT
created:        2002-09-19T15:18:13Z
last-modified:  2022-10-06T07:17:00Z
source:         RIPE
abuse-email:    abuse@tele2.com
abuse-c:        SWIP-RIPE
abuse-org:      ORG-TA44-RIPE

organisation:   ORG-TA44-RIPE
org-name:       Tele2 Sverige AB
country:        SE
org-type:       LIR
address:        Box 62
address:        16494
address:        Kista
address:        SWEDEN
phone:          +46856264008
fax-no:         +46856264210
e-mail:         ip@tele2.com
admin-c:        SWIP-RIPE
tech-c:         SWIP-RIPE
abuse-c:        SWIP-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        SWIPNET-LIR-MNT
mnt-ref:        AS1257-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         SWIPNET-LIR-MNT
notify:         ip@tele2.com
created:        2004-04-17T12:04:53Z
last-modified:  2021-02-12T14:33:20Z
source:         RIPE

role:           Swipnet Staff
address:        Tele2 AB/Swedish IP Network
address:        IP Registry
address:        Torshamnsgatan 17 164 40 Kista SWEDEN
fax-no:         +46 8 5626 42 10
e-mail:         ip@tele2.com
abuse-mailbox:  abuse@tele2.com
remarks:        The database object describes the staff of SWIPNET LIR.
admin-c:        ROSI3-RIPE
admin-c:        TH6544-RIPE
tech-c:         ROSI3-RIPE
tech-c:         TH6544-RIPE
nic-hdl:        SWIP-RIPE
mnt-by:         SWIPNET-LIR-MNT
notify:         ip@tele2.com
created:        2002-03-21T14:25:04Z
last-modified:  2022-11-23T10:36:53Z
source:         RIPE

role:           Swipnet Staff
address:        Tele2 AB/Swedish IP Network
address:        IP Registry
address:        Torshamnsgatan 17 164 40 Kista SWEDEN
fax-no:         +46 8 5626 42 10
e-mail:         ip@tele2.com
abuse-mailbox:  abuse@tele2.com
remarks:        The database object describes the staff of SWIPNET LIR.
admin-c:        ROSI3-RIPE
admin-c:        TH6544-RIPE
tech-c:         ROSI3-RIPE
tech-c:         TH6544-RIPE
nic-hdl:        SWIP-RIPE
mnt-by:         SWIPNET-LIR-MNT
notify:         ip@tele2.com
created:        2002-03-21T14:25:04Z
last-modified:  2022-11-23T10:36:53Z
source:         RIPE

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Hosted Domains

There are 92,598 domain names hosted across 4,205 IP addresses on this ASN.

IP Address	Domain	Domains on this IP
193.14.90.203	gp.se	53,932
194.68.80.240	gastboken.com	6,960
192.121.104.141	abicart.com	6,620
193.42.159.250	forogratis.es	3,295
193.13.133.31	blflytt-allservice.se	2,036
193.13.133.187	extrasol.se	1,919
193.12.211.180	slask.gg	932
193.12.211.61	branditlegalservices.de	465
193.13.133.169	netono.se	457
217.78.18.174	ellfolk.se	375
193.180.59.30	stockholmformosa.se	337
193.13.133.29	sapphfire.co.uk	317
193.13.133.90	svenskoptoteknik.se	285
159.190.0.50	domstol.se	271
193.41.214.29	mbf.se	268
193.41.214.94	josefssonagren.se	247
193.15.56.132	uc.se	229
193.13.133.112	fonster-direkt.se	228
193.13.133.111	gatewayeuro.com	223
81.21.253.42	verekeskus.ee	189
193.41.214.44	vskfotboll.nu	158
193.12.211.144	xn--polfrskt-3za.eu	141
212.247.77.73	peppingeprodukter.se	141
212.247.229.77	ta-fusion.se	127
193.17.67.153	yhkk.se	125
213.88.149.27	getinge.nu	118
193.12.247.142	headspace.dk	118
193.12.211.222	eem.se	114
193.12.20.34	lensway.se	113
193.41.214.23	vving.se	112
185.121.204.24	bibliotekvarmland.se	108
193.12.247.78	serverhallen.dk	103
193.13.133.30	cleanstep.se	101
212.247.229.18	ilan.se	88
193.12.20.35	lenson.com	87
193.13.133.190	fridbegravning.se	87
213.88.149.25	arjo.com	86
192.165.170.36	sfro.com	86
193.13.133.113	sbsmaleri.se	85
217.78.18.187	tomoffinlandvodka.se	84
213.88.149.81	carolinasetterberg.se	83
193.12.142.105	ivt.se	82
81.21.253.29	eoc.ee	77
193.41.119.232	goswatches.com	76
193.13.133.188	htdendo.se	76
91.198.193.111	eflorist.co.uk	75
193.17.72.231	ystad.se	75
46.17.185.94	xn--revisionsberttelse-wtb.se	73
193.41.119.233	molk.se	72
193.15.103.36	seasea.se	68

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Peers

There are 334 peers for this ASN.

Peers	Name
AS10310	Oath Holdings Inc.
AS10780	Pure Storage, INC.
AS1239	Sprint
AS12509	LATVIJAS BANKA
AS12552	GlobalConnect AB
AS12578	SIA Tet
AS12597	Gotalandsnatet AB
AS1273	Vodafone Group PLC
AS12757	IPTRON.NET OU
AS12859	BIT BV
AS12876	SCALEWAY S.A.S.
AS12935	QD Sverige AB
AS12956	TELEFONICA GLOBAL SOLUTIONS SL
AS1299	Arelion Sweden AB
AS12993	SIA Digitalas Ekonomikas Attistibas Centrs
AS13030	Init7 (Switzerland) Ltd.
AS13194	UAB "Bite Lietuva"
AS13335	Cloudflare, Inc.
AS13414	Twitter Inc.
AS13445	Cisco Webex LLC
AS14907	Wikimedia Foundation Inc.
AS15133	Edgecast Inc.
AS15169	Google LLC
AS15412	FLAG TELECOM UK LIMITED
AS15435	DELTA Fiber Nederland B.V.
AS15440	UAB "Baltnetos komunikacijos"
AS15869	Enterprise Services Sverige AB
AS15912	InfraCom Connect AB
AS15991	Swedish Tax Agency
AS15995	AB SEB bankas
AS16086	DNA Oyj
AS16265	LeaseWeb Network B.V.
AS16276	OVH SAS
AS16509	Amazon.com, Inc.
AS1653	Vetenskapsradet / SUNET
AS174	Cogent Communications
AS1820	WNET TELECOM USA Corp.
AS1880	Svensk Teleutveckling & Produktinnovation, STUPI AB
AS1883	Svensk Teleutveckling & Produktinnovation, STUPI AB
AS197000	Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
AS197289	AS HELMES
AS197425	Saab AB
AS197436	ClearOn AB
AS197564	Stiftelsen for Internetinfrastruktur
AS197581	Conect networks and Information Technology i Jonkoping AB
AS197603	Transtema Fiberdata AB
AS197799	Molndals kommun
AS197942	Forsakringskassan
AS198008	Regeringskansliet
AS198068	P.A.G.M. OU
AS198217	Nibe AB
AS198463	On 1 Call Support AB
AS198549	Qlosr AB
AS198568	ATEA Sverige AB
AS198581	EVRY Card Services AB
AS198776	EDELARAUDTEE AS
AS198837	Vastmanlands Lans Landsting
AS199215	Ellos AB
AS199355	Landstinget Dalarna
AS199524	G-Core Labs S.A.
AS199768	Karlstads Kommun
AS199973	Migrationsverket
AS199998	Destiny N.V
AS200144	Kungsbacka Kommun
AS200675	NORTHERN DATA SERVICES (UK) LIMITED
AS200765	Orange Cyberdefense Sweden AB
AS200820	Benify AB
AS201201	UAB Duomenu logistikos centras
AS201601	Astrec Data OU
AS201641	Sveriges Television Aktiebolag
AS201906	Eesti Post AS
AS202085	UAB Kvartalo Tinklas
AS202093	Viaplay Group Sweden AB
AS202116	Scania CV AB
AS202296	MicroGroup Europe AB
AS202646	Luossavaara-Kiirunavaara AB
AS202652	Elevi AS
AS202671	AID Solutions Vast AB
AS203383	Stena Rederi AB
AS204101	Rely IT Norrtelje AB
AS204334	Vassbacks Fibernat ek. for.
AS204411	Bigbank AS
AS204468	Aixia AB
AS204538	Kareby Hosting AB
AS204850	Sodertalje Kommun
AS204863	Coromatic AB
AS204896	Vaxjo Kommun
AS205078	VA SYD
AS205180	Elon Group AB
AS205504	Skylink Networking Ltd
AS205834	Telefackhandeln i Skovde AB
AS205916	Freja eID Group AB
AS206114	Hofors Elverk AB
AS206258	MYBW Office Management Service AB
AS206264	Amarutu Technology Ltd
AS206312	Netmore Group AB
AS206377	Kommunalforbundet ITSAM
AS206532	Active IT Sweden AB
AS206799	EPM Data AB
AS206804	EstNOC OY

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Upstreams

There are 12 upstreams for this ASN.

upstreams	Name
AS1239	Sprint
AS1273	Vodafone Group PLC
AS12956	TELEFONICA GLOBAL SOLUTIONS SL
AS1299	Arelion Sweden AB
AS174	Cogent Communications
AS2497	Internet Initiative Japan Inc.
AS2914	NTT America, Inc.
AS3320	Deutsche Telekom AG
AS3356	Level 3 Parent, LLC
AS6453	TATA COMMUNICATIONS (AMERICA) INC
AS6461	Zayo Bandwidth
AS6762	TELECOM ITALIA SPARKLE S.p.A.

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Downstreams

There are 186 downstreams for this ASN.

Downstreams	Name
AS10780	Pure Storage, INC.
AS1239	Sprint
AS12597	Gotalandsnatet AB
AS1273	Vodafone Group PLC
AS12757	IPTRON.NET OU
AS12935	QD Sverige AB
AS12956	TELEFONICA GLOBAL SOLUTIONS SL
AS1299	Arelion Sweden AB
AS15869	Enterprise Services Sverige AB
AS15912	InfraCom Connect AB
AS15991	Swedish Tax Agency
AS1880	Svensk Teleutveckling & Produktinnovation, STUPI AB
AS1883	Svensk Teleutveckling & Produktinnovation, STUPI AB
AS197289	AS HELMES
AS197425	Saab AB
AS197436	ClearOn AB
AS197564	Stiftelsen for Internetinfrastruktur
AS197581	Conect networks and Information Technology i Jonkoping AB
AS197603	Transtema Fiberdata AB
AS197799	Molndals kommun
AS197942	Forsakringskassan
AS198008	Regeringskansliet
AS198068	P.A.G.M. OU
AS198217	Nibe AB
AS198463	On 1 Call Support AB
AS198549	Qlosr AB
AS198568	ATEA Sverige AB
AS198776	EDELARAUDTEE AS
AS198837	Vastmanlands Lans Landsting
AS199215	Ellos AB
AS199355	Landstinget Dalarna
AS199768	Karlstads Kommun
AS199973	Migrationsverket
AS199998	Destiny N.V
AS200144	Kungsbacka Kommun
AS200675	NORTHERN DATA SERVICES (UK) LIMITED
AS200765	Orange Cyberdefense Sweden AB
AS200820	Benify AB
AS201601	Astrec Data OU
AS201641	Sveriges Television Aktiebolag
AS201906	Eesti Post AS
AS202093	Viaplay Group Sweden AB
AS202116	Scania CV AB
AS202296	MicroGroup Europe AB
AS202671	AID Solutions Vast AB
AS203383	Stena Rederi AB
AS204101	Rely IT Norrtelje AB
AS204334	Vassbacks Fibernat ek. for.
AS204411	Bigbank AS
AS204468	Aixia AB
AS204538	Kareby Hosting AB
AS204850	Sodertalje Kommun
AS204863	Coromatic AB
AS204896	Vaxjo Kommun
AS205180	Elon Group AB
AS205834	Telefackhandeln i Skovde AB
AS205916	Freja eID Group AB
AS206114	Hofors Elverk AB
AS206258	MYBW Office Management Service AB
AS206312	Netmore Group AB
AS206377	Kommunalforbundet ITSAM
AS206532	Active IT Sweden AB
AS206799	EPM Data AB
AS206804	EstNOC OY
AS207448	Pema Kommunikationer AB
AS208282	Egonet AB
AS208298	Region Halland
AS208373	Sodertorns Brandforsvarsforbund
AS20861	Fujitsu Sweden AB
AS208760	Fortlax AB
AS208834	Coop Pank AS
AS209041	CoreIT AB
AS209236	HCL Technologies Sweden AB
AS209315	Trollhattan Energi AB
AS20943	Netnod AB
AS209508	BoreNet AB
AS209587	AS Eesti Loto
AS209705	PayEx Sverige AB
AS209798	Eesti Avaliku Sektori Andmeside MTU
AS210140	GAVLEBORGS LANS LANDSTING
AS210483	Netcoil AB
AS210802	Tekniska verken i Linkoping AB
AS210942	SECTOR ALARM TECH AS
AS211451	MCF Group Estonia OU
AS211453	Riksgaldskontoret
AS211502	Region Kronoberg
AS211899	Svea Bank AB
AS212632	Alfa Laval Technologies AB
AS24819	Nordnet Bank AB
AS2497	Internet Initiative Japan Inc.
AS25252	Volvo Information Technology AB
AS2863	Centor AB
AS28726	Tietoevry Tech Services AB
AS28854	HIGHLANDNET SWEDEN
AS2914	NTT America, Inc.
AS29468	InfraCom Managed Services AB
AS29672	S:t Erik Kommunikation AB
AS30795	BRS Networks AB
AS31337	ELEET Networks
AS3166	Orebro Kommun

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Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

ASN API

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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 AS1257 at robtex.

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