asn.dev

Observed topology

AS6802 UNICOM-B-AS NREN - Bulgaria

Upstreams 11 carry this network
Downstreams 8 this network carries
Adjacent (IPv4) 19
Adjacent (IPv6) 8

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS6802: 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
AS8262Evolink EADUnclassifiedIPv4 IPv61,839
AS21320GEANT VerenigingUnclassifiedIPv4 IPv6893
AS6939Hurricane Electric LLCTransitIPv4370
AS3303Swisscom (Schweiz) AGResidentialIPv4100
AS8717A1 Bulgaria EADResidentialIPv462
AS208972GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETIUnclassifiedIPv449
AS8280SYNAPSECOM S.A. Provider of Telecommunications and Internet ServicesHostingIPv449
AS8866Vivacom Bulgaria EADResidentialIPv436
AS20965GEANT VerenigingUnclassifiedIPv4 IPv616
AS5405Inter.link GmbHUnclassifiedIPv410
AS8218Zayo Infrastructure France SAUnclassifiedIPv42

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 AS6802 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS28949Technical University of SofiaUnclassifiedIPv4299
AS5421Sofia University "St. Kliment Ohridski"EducationIPv4 IPv6298
AS31011University of Chemical Technology And MetallurgyUnclassifiedIPv465
AS8745Bulgarian Academy of SciencesEducationIPv4 IPv659
AS41352D. A. Tsenov Svishtov Academy of EconomicsUnclassifiedIPv4 IPv638
AS47174Technical University of VarnaUnclassifiedIPv414
AS49704BULGARIA - DZZDUnclassifiedIPv4 IPv614
AS48155University of Ruse "Angel Kanchev"UnclassifiedIPv4 IPv613

Adjacency

Adjacent networks

27 shown

Every AS seen directly next to AS6802 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS8262Evolink EADUnclassifiedIPv4 IPv62,193
AS21320GEANT VerenigingUnclassifiedIPv4 IPv61,118
AS6939Hurricane Electric LLCTransitIPv4419
AS28949Technical University of SofiaUnclassifiedIPv4299
AS5421Sofia University "St. Kliment Ohridski"EducationIPv4 IPv6298
AS20965GEANT VerenigingUnclassifiedIPv4 IPv6156
AS3303Swisscom (Schweiz) AGResidentialIPv4111
AS8280SYNAPSECOM S.A. Provider of Telecommunications and Internet ServicesHostingIPv467
AS31011University of Chemical Technology And MetallurgyUnclassifiedIPv465
AS8717A1 Bulgaria EADResidentialIPv462
AS8745Bulgarian Academy of SciencesEducationIPv4 IPv659
AS208972GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETIUnclassifiedIPv450
AS41352D. A. Tsenov Svishtov Academy of EconomicsUnclassifiedIPv4 IPv638
AS8866Vivacom Bulgaria EADResidentialIPv436
AS47174Technical University of VarnaUnclassifiedIPv414
AS49704BULGARIA - DZZDUnclassifiedIPv4 IPv614
AS48155University of Ruse "Angel Kanchev"UnclassifiedIPv4 IPv613
AS5405Inter.link GmbHUnclassifiedIPv410
AS8218Zayo Infrastructure France SAUnclassifiedIPv44

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 AS6802, 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 1 exchange across 1 country and 1 region.

ExchangeLocationTheir addressMember ports
Bulgarian Internet eXchangeSofia, Bulgaria193.169.199.125137

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.