asn.dev

Observed topology

AS8778 SLOVANET www.slovanet.net

Upstreams 15 carry this network
Downstreams 12 this network carries
Adjacent (IPv4) 29
Adjacent (IPv6) 10

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS8778: 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
AS39392SH.cz s.r.o.HostingIPv4 IPv6148
AS6939Hurricane Electric LLCTransitIPv4 IPv6104
AS199803ComSource s.r.o.HostingIPv417
AS5578SWAN, a.s.UnclassifiedIPv416
AS3303Swisscom (Schweiz) AGResidentialIPv48
AS50673Serverius Holding B.V.UnclassifiedIPv48
AS29504Freenet Liberec, z.s.UnclassifiedIPv4 IPv66
AS208972GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETIUnclassifiedIPv4 IPv66
AS24482SG.GSHostingIPv4 IPv66
AS49673Truenetwork LLCUnclassifiedIPv44
AS56655Gigahost ASUnclassifiedIPv44
AS57463NetIX Communications JSCUnclassifiedIPv44
AS37721Virtual Technologies & SolutionsResidentialIPv44
AS31230Slovak University of Technology in BratislavaUnclassifiedIPv44
AS20562Broadband Hosting B.V.HostingIPv44

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 AS8778 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS43451Slovanet a.s.UnclassifiedIPv4 IPv61,520
AS8257Slovanet a.s.ResidentialIPv4502
AS31679Slovanet a.s.UnclassifiedIPv4372
AS8290Slovanet a.s.UnclassifiedIPv4248
AS201702skHosting.eu s.r.o.HostingIPv4 IPv6187
AS12426Slovanet a.s.UnclassifiedIPv4186
AS51331SychrovNET s.r.oHostingIPv462
AS52139Slovanet a.s.UnclassifiedIPv634
AS42826Axians Slovakia s.r.o.UnclassifiedIPv428
AS56656Detronics s.r.o.UnclassifiedIPv418
AS214072Hlavne mesto Slovenskej republiky BratislavaUnclassifiedIPv49
AS51134Development 777 s.r.o.UnclassifiedIPv47

Adjacency

Adjacent networks

39 shown

Every AS seen directly next to AS8778 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS39392SH.cz s.r.o.HostingIPv4 IPv61,712
AS43451Slovanet a.s.UnclassifiedIPv4 IPv61,520
AS6939Hurricane Electric LLCTransitIPv4 IPv6766
AS8257Slovanet a.s.ResidentialIPv4502
AS31679Slovanet a.s.UnclassifiedIPv4372
AS8290Slovanet a.s.UnclassifiedIPv4248
AS5578SWAN, a.s.UnclassifiedIPv4 IPv6235
AS201702skHosting.eu s.r.o.HostingIPv4 IPv6187
AS12426Slovanet a.s.UnclassifiedIPv4186
AS50673Serverius Holding B.V.UnclassifiedIPv4122
AS3303Swisscom (Schweiz) AGResidentialIPv4101
AS208972GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETIUnclassifiedIPv4 IPv669
AS56655Gigahost ASUnclassifiedIPv4 IPv663
AS29504Freenet Liberec, z.s.UnclassifiedIPv4 IPv663
AS51331SychrovNET s.r.oHostingIPv462
AS24482SG.GSHostingIPv4 IPv660
AS49673Truenetwork LLCUnclassifiedIPv459
AS37721Virtual Technologies & SolutionsResidentialIPv458
AS31230Slovak University of Technology in BratislavaUnclassifiedIPv456
AS57463NetIX Communications JSCUnclassifiedIPv456
AS20562Broadband Hosting B.V.HostingIPv447
AS52139Slovanet a.s.UnclassifiedIPv634
AS42826Axians Slovakia s.r.o.UnclassifiedIPv428
AS56656Detronics s.r.o.UnclassifiedIPv418
AS199803ComSource s.r.o.HostingIPv417
AS6830Liberty Global Europe Holding B.V.ResidentialIPv416
AS214072Hlavne mesto Slovenskej republiky BratislavaUnclassifiedIPv49
AS44066firstcolo GmbHUnclassifiedIPv48
AS25091IP-Max SAUnclassifiedIPv48
AS51134Development 777 s.r.o.UnclassifiedIPv47

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 AS8778, 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 2 exchanges across 2 countries and 1 region.

ExchangeLocationTheir addressMember ports
Peering.czPrague, Czech Republic185.0.20.64212
Slovak Internet eXchange BratislavaBratislava, Slovakia192.108.148.7471

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.