asn.dev

Observed topology

AS8990 AHRT-AS 4iG Telecommunications Holding Zrt

Unclassified RIPE NSP

Upstreams 5 carry this network
Downstreams 6 this network carries
Adjacent (IPv4) 11
Adjacent (IPv6) 5
Upstream graph Who carries AS8990, and who carries them, drawn as a map up to the transit-free core. 1 exchange Where AS8990 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS8990: 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 IPv6294
AS9002RETN LimitedUnclassifiedIPv4 IPv6260
AS6939Hurricane Electric LLCTransitIPv4 IPv6149
AS3303Swisscom (Schweiz) AGResidentialIPv4 IPv625
AS33891Core-Backbone GmbHHostingIPv422

Transit

Downstream networks

inferred

Networks for which AS8990 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS41885Hungaro DigiTel Tavkozlesi Korlatolt Felelossegu TarsasagUnclassifiedIPv4296
AS35792Takinfo KftUnclassifiedIPv489
AS41251XELLA Hungary LtdUnclassifiedIPv458
AS47324KDB Bank Hungary Ltd.UnclassifiedIPv458
AS205914Nemzeti Media- es Hirkozlesi HatosagUnclassifiedIPv458
AS210611HFC Technics Ipari Kereskedelmi es Szolgaltato Kft.UnclassifiedIPv631

Adjacency

Adjacent networks

All 11

Every AS seen directly next to AS8990 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS1299Arelion Sweden ABTransitIPv4 IPv6652
AS9002RETN LimitedUnclassifiedIPv4 IPv6401
AS41885Hungaro DigiTel Tavkozlesi Korlatolt Felelossegu TarsasagUnclassifiedIPv4296
AS6939Hurricane Electric LLCTransitIPv4 IPv6254
AS35792Takinfo KftUnclassifiedIPv489
AS210611HFC Technics Ipari Kereskedelmi es Szolgaltato Kft.UnclassifiedIPv4 IPv677
AS41251XELLA Hungary LtdUnclassifiedIPv458
AS47324KDB Bank Hungary Ltd.UnclassifiedIPv458
AS205914Nemzeti Media- es Hirkozlesi HatosagUnclassifiedIPv458
AS33891Core-Backbone GmbHHostingIPv440

All 11 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-11-13 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 74.40M 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.