asn.dev

Observed topology

AS39642 Sinal-AS Sinal A/S

Residential RIPE Cable/DSL/ISP

Upstreams 27 carry this network
Downstreams 15 this network carries
Adjacent (IPv4) 40
Adjacent (IPv6) 24
Upstream graph Who carries AS39642, and who carries them, drawn as a map up to the transit-free core. 5 exchanges Where AS39642 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 27

Networks observed carrying traffic for AS39642: the AS immediately before it in a routing path. Ranked by how many paths showed the relationship, which reflects how widely it is used, not how much traffic crosses it.

ASNetworkTypeFamiliesPaths seen
AS3356Level 3 Parent, LLCTransitIPv4 IPv6782
AS6939Hurricane Electric LLCTransitIPv4 IPv6495
AS1299Arelion Sweden ABTransitIPv4 IPv6425
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv6132
AS3333Reseaux IP Europeens Network Coordination Centre (RIPE NCC)UnclassifiedIPv4 IPv650
AS24482SG.GSHostingIPv4 IPv650
AS42708Glesys ABUnclassifiedIPv4 IPv650
AS48185team.blue NVUnclassifiedIPv4 IPv650
AS48362Stadtwerke FeldkirchResidentialIPv4 IPv650
AS50304Blix Solutions ASUnclassifiedIPv4 IPv650

All 27 upstreams →

Transit

Downstream networks

All 15

Networks for which AS39642 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS210149Esbjerg KommuneUnclassifiedIPv4649
AS49974Bo data ApSUnclassifiedIPv4 IPv6292
AS8273Norlys Telco A/SResidentialIPv4236
AS57030Itm8 A/SUnclassifiedIPv4184
AS50490Sinal A/SUnclassifiedIPv4 IPv6153
AS42355Sinal A/SUnclassifiedIPv4118
AS62090Randers KommuneUnclassifiedIPv4118
AS207934WNB A/SUnclassifiedIPv4100
AS213320Norlys Telco A/SUnclassifiedIPv4 IPv696
AS213032Fleggaard Holding A/SUnclassifiedIPv689

All 15 downstreams →

Adjacency

Adjacent networks

All 45

Every AS seen directly next to AS39642 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS3356Level 3 Parent, LLCTransitIPv4 IPv61,421
AS1299Arelion Sweden ABTransitIPv4 IPv6810
AS6939Hurricane Electric LLCTransitIPv4 IPv6799
AS210149Esbjerg KommuneUnclassifiedIPv4649
AS49974Bo data ApSUnclassifiedIPv4 IPv6361
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv6280
AS8273Norlys Telco A/SResidentialIPv4236
AS213320Norlys Telco A/SUnclassifiedIPv4 IPv6188
AS57030Itm8 A/SUnclassifiedIPv4184
AS50490Sinal A/SUnclassifiedIPv4 IPv6153

All 45 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-11-01 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.48M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.

Inferred from path position, not from any declaration by either party. A network appearing here is carrying these routes; whether that is a paid transit arrangement, a backup, or something else is not something routing data can tell you. Adjacency is not the same as peering. Being next to each other in a path covers paid transit, settlement-free peering and customer connections alike, and routing data cannot distinguish them. Treat this as "these networks exchange routes", nothing more specific.

Cross-check against RIPEstat or BGP.tools, which observe from a different and larger set of vantage points.