asn.dev

Observed topology

AS35236 AS35236 - UVT Internet s.r.o.

Upstreams 13 carry this network
Downstreams 7 this network carries
Adjacent (IPv4) 19
Adjacent (IPv6) 15

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS35236: 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
AS3257GTT Communications Inc.TransitIPv4 IPv6409
AS47232ISP Alliance a.s.ResidentialIPv4 IPv6154
AS6939Hurricane Electric LLCTransitIPv4 IPv6134
AS199803ComSource s.r.o.HostingIPv4122
AS1299Arelion Sweden ABTransitIPv4 IPv674
AS15685CASABLANCA INT a.s.HostingIPv658
AS29504Freenet Liberec, z.s.UnclassifiedIPv4 IPv618
AS24482SG.GSHostingIPv4 IPv617
AS8218Zayo Infrastructure France SAUnclassifiedIPv4 IPv612
AS1764Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbHUnclassifiedIPv4 IPv612
AS57463NetIX Communications JSCUnclassifiedIPv410
AS202297Skylon Solutions LimitedUnclassifiedIPv410
AS33891Core-Backbone GmbHHostingIPv42

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 AS35236 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS29134Webglobe, s.r.o.HostingIPv4 IPv6592
AS39761ABAK, Co.Ltd.UnclassifiedIPv4 IPv6438
AS50825UVT Internet s.r.o.UnclassifiedIPv4 IPv6382
AS42189Druzstvo EUROSIGNALUnclassifiedIPv4 IPv6249
AS51661UVT Internet s.r.o.UnclassifiedIPv4248
AS41453SITEL spol. s r.o.UnclassifiedIPv4 IPv6198
AS50415Ahosting a.s.UnclassifiedIPv4 IPv660

Adjacency

Adjacent networks

34 shown

Every AS seen directly next to AS35236 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS1299Arelion Sweden ABTransitIPv4 IPv61,223
AS3257GTT Communications Inc.TransitIPv4 IPv61,152
AS29134Webglobe, s.r.o.HostingIPv4 IPv6802
AS39761ABAK, Co.Ltd.UnclassifiedIPv4 IPv6589
AS47232ISP Alliance a.s.ResidentialIPv4 IPv6461
AS6939Hurricane Electric LLCTransitIPv4 IPv6413
AS50825UVT Internet s.r.o.UnclassifiedIPv4 IPv6382
AS41453SITEL spol. s r.o.UnclassifiedIPv4 IPv6320
AS42189Druzstvo EUROSIGNALUnclassifiedIPv4 IPv6249
AS51661UVT Internet s.r.o.UnclassifiedIPv4248
AS199803ComSource s.r.o.HostingIPv4124
AS50415Ahosting a.s.UnclassifiedIPv4 IPv660
AS15685CASABLANCA INT a.s.HostingIPv658
AS24482SG.GSHostingIPv4 IPv653
AS29504Freenet Liberec, z.s.UnclassifiedIPv4 IPv653
AS202297Skylon Solutions LimitedUnclassifiedIPv437
AS1764Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbHUnclassifiedIPv4 IPv637
AS57463NetIX Communications JSCUnclassifiedIPv436
AS8218Zayo Infrastructure France SAUnclassifiedIPv4 IPv621
AS33891Core-Backbone GmbHHostingIPv414

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 AS35236, 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.

No exchange membership on file. That is not the same as peering nowhere: the dataset records what PCH has collected, and many exchanges publish no participant list at all.

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 2026-08-09 by Packet Clearing House (https://www.pch.net/ixp/data), covering 1,327 exchanges and 93,164 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.