Network topology

Relationships come from RIS AS_PATH observations; direction represents path position, not a commercial contract or traffic direction.

AS1653

Currently announcedSnapshot awaiting refresh

SUNET - Vetenskapsradet / SUNET · SUNET

Last observed10/25/2026, 06:56:57Open ASN profile →

AS1653 relationship topology

Showing 24 / 42

AS1653Vetenskapsradet / SUNET

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2603NORDUnet

Relationship: Upstream
Observed weight: 7,984
ASN registration country: Denmark
Latest RIS data: 10/31/2026, 00:00:00

Open AS2603 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

42 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS2603Observed weight 7,984	NORDUnet	Upstream	Denmark	8/19/2019, 00:00:00	10/31/2026, 00:00:00	37,224	2,451
AS9002Observed weight 831	RETN-AS RETN Limited	Upstream	United Kingdom	8/19/2019, 00:00:00	10/31/2026, 00:00:00	4,879	0
AS1880Observed weight 595	STUPI LLC	Downstream	Registration country pending sync	8/19/2019, 00:00:00	10/31/2026, 00:00:00	5,983	0
AS2839Observed weight 525	Kungliga Tekniska Hogskolan	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	2,667	0
AS41001Observed weight 361	SafespringSE Safespring AB	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	378	336
AS1882Observed weight 295	STUPI LLC	Downstream	Registration country pending sync	8/19/2019, 00:00:00	10/31/2026, 00:00:00	425	0
AS2844Observed weight 292	Vetenskapsradet / SUNET	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	516	0
AS48514Observed weight 289	CSB Stiftelsen Chalmers Studenthem	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	1,221	233
AS42307Observed weight 272	Sveriges Meteorologiska och Hydrologiska Institut	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	252	443
AS3303Observed weight 266	Swisscom (Schweiz) AG	Upstream	Switzerland	8/19/2019, 00:00:00	10/31/2026, 00:00:00	1,501	68
AS2841Observed weight 264	Chalmers University of Technology AB	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	2,671	0
AS2834Observed weight 262	Uppsala University	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	1,336	0
AS43844Observed weight 262	Uppsala Student Network	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	1,670	0
AS16251Observed weight 261	Hogskolan i Gavle	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	668	0
AS2840Observed weight 260	Stiftelsen Goteborgs Studentbostader	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	668	22
AS2833Observed weight 259	Umea University	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	668	0
AS25072Observed weight 257	Institutet for Rymdfysik	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	668	0
AS2831Observed weight 256	Lulea Tekniska Universitet	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	334	0
AS2837Observed weight 256	Karolinska Institutet	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	334	0
AS2838Observed weight 256	SUNT Stockholm University	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	334	0
AS2842Observed weight 256	Goteborgs universitet	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	334	0
AS2843Observed weight 256	Linkopings universitet	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	334	0
AS2846Observed weight 256	Lund University	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	334	0
AS8748Observed weight 256	Blekinge Tekniska Hogskola	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	668	0
AS9088Observed weight 256	Dalarna University	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	334	0
AS12384Observed weight 256	Swedish University of Agricultural Sciences	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	668	0
AS15980Observed weight 256	Uppsala University	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	334	0
AS43665Observed weight 256	JTH Hogskolan i Jonkoping	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	1,002	0
AS49858Observed weight 256	Borje Josefsson trading as UNIMASTER Datakonsult	Downstream	Registration country pending sync	8/19/2019, 00:00:00	10/31/2026, 00:00:00	334	0
AS39362Observed weight 254	Sveriges Utbildningsradio Aktiebolag	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	333	0
AS201816Observed weight 247	Region Kalmar Lan	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	215	333
AS39840Observed weight 206	NETNOD-SVL Netnod AB	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	252	198
AS39871Observed weight 204	NETNOD-GBG Netnod AB	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	254	196
AS20943Observed weight 202	NETNOD-LUL Netnod AB	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	249	198
AS43018Observed weight 182	Verket for Innovationssystem	Downstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	187	200
AS39351Observed weight 41	ESAB-AS 31173 Services AB	Upstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	165	11
AS31500Observed weight 37	GNM-AS Global Network Management Inc	Upstream	RIR did not provide a registration country	8/19/2019, 00:00:00	10/31/2026, 00:00:00	149	0
AS1257Observed weight 36	SWIPNET - Tele2 Sverige AB	Upstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	159	6
AS3399Observed weight 32	OBE-NET Obenet AB	Uncertain relationship	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	145	9
AS8359Observed weight 15	MTS MTS PJSC	Upstream	Russia	8/19/2019, 00:00:00	10/31/2026, 00:00:00	51	0
AS12552Observed weight 10	GlobalConnect-AS12552 GlobalConnect AB	Upstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	51	0
AS8434Observed weight 7	TELENOR-SE Telenor Sverige AB	Upstream	Sweden	8/19/2019, 00:00:00	10/31/2026, 00:00:00	19	0

CHA.LA ASN relationship snapshotRelationships are normalized by CHA.LA from collected routing observations and registration context.CHA.LA routing observations · registration context