asn.dev

Observed topology

AS39781 DIABOLOCOM

Upstreams 14 carry this network
Downstreams 2 this network carries
Adjacent (IPv4) 15
Adjacent (IPv6) 8

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS39781: 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
AS1299Arelion Sweden ABTransitIPv4 IPv6185
AS9002RETN LimitedUnclassifiedIPv4 IPv6168
AS6939Hurricane Electric LLCTransitIPv4 IPv6136
AS30781Free Pro SASHostingIPv4 IPv671
AS37721Virtual Technologies & SolutionsResidentialIPv4 IPv615
AS24482SG.GSHostingIPv4 IPv613
AS50628Leonix Telecom SASUnclassifiedIPv4 IPv613
AS57463NetIX Communications JSCUnclassifiedIPv47
AS20766Association "Gitoyen"UnclassifiedIPv47
AS6696VERIXI SAUnclassifiedIPv47
AS34927iFog GmbHHostingIPv47
AS20764CJSC RASCOMUnclassifiedIPv47
AS34019Hivane AssociationUnclassifiedIPv66
AS12779IT.Gate S.p.A.UnclassifiedIPv41

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.

Transit

Downstream networks

inferred

Networks for which AS39781 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS47314VINCI SAUnclassifiedIPv434
AS9149Groupement des cartes bancaires GIEUnclassifiedIPv415

Adjacency

Adjacent networks

23 shown

Every AS seen directly next to AS39781 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS1299Arelion Sweden ABTransitIPv4 IPv6193
AS9002RETN LimitedUnclassifiedIPv4 IPv6187
AS6939Hurricane Electric LLCTransitIPv4 IPv6139
AS30781Free Pro SASHostingIPv4 IPv679
AS47314VINCI SAUnclassifiedIPv434
AS37721Virtual Technologies & SolutionsResidentialIPv4 IPv617
AS9149Groupement des cartes bancaires GIEUnclassifiedIPv415
AS24482SG.GSHostingIPv4 IPv615
AS50628Leonix Telecom SASUnclassifiedIPv4 IPv615
AS57463NetIX Communications JSCUnclassifiedIPv48
AS20764CJSC RASCOMUnclassifiedIPv48
AS6696VERIXI SAUnclassifiedIPv48
AS20766Association "Gitoyen"UnclassifiedIPv48
AS34927iFog GmbHHostingIPv48
AS34019Hivane AssociationUnclassifiedIPv66
AS12779IT.Gate S.p.A.UnclassifiedIPv41

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.

Interconnection

Exchange presence

recorded

Internet exchanges where Packet Clearing House has a port recorded for AS39781, largest fabric first. An exchange is shared switching where networks interconnect directly rather than paying a transit provider to carry traffic between them, so turning up at one is a deliberate choice about how this network wants to be reached. Each name opens that exchange's own page, with its peering LANs and every other network recorded on it. Recorded at 3 exchanges across 1 country and 1 region.

ExchangeLocationTheir addressMember ports
France-IX ParisParis, France37.49.237.173570
Equinix Internet Exchange ParisParis, France195.42.145.180238
France-IX MarseilleMarseille, France37.49.232.128127

Unlike the tables above, this is recorded rather than inferred. An address on a peering LAN is at that exchange by definition. Two carve-outs all the same. Member ports counts every participant at the exchange, not this network's ports, so read it as a size proxy. And an absent exchange means PCH has no record of it, not that the network is not there.

Provenance

Where this comes from

Derived from routing tables collected at 2026-08-08 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 74.02M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.

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

Exchange presence comes from a separate dataset: the directory collected 2026-08-08 by Packet Clearing House (https://www.pch.net/ixp/data), covering 1,327 exchanges and 93,137 recorded member ports, licensed CC BY-NC-SA 3.0.

PeeringDB is the better-known directory and is deliberately not the source here: its acceptable-use policy forbids the bulk storage this needs. The two answer different questions anyway. PeeringDB reports what an operator declares about itself; this reports what PCH has recorded.