asn.dev

Observed topology

AS21488 EMPLOT-AS EMPLOT LTD

Unclassified APNIC

Upstreams 6 carry this network
Downstreams 20 this network carries
Adjacent (IPv4) 26
Adjacent (IPv6) 7
Upstream graph Who carries AS21488, and who carries them, drawn as a map up to the transit-free core. 2 exchanges Where AS21488 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS21488: 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
AS174Cogent Communications, LLCTransitIPv4 IPv6148
AS3356Level 3 Parent, LLCTransitIPv4 IPv664
AS6939Hurricane Electric LLCTransitIPv4 IPv647
AS3257GTT Communications Inc.TransitIPv44
AS3303Swisscom (Schweiz) AGResidentialIPv44
AS29632Netassist International EOODUnclassifiedIPv62

Transit

Downstream networks

All 20

Networks for which AS21488 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS43145RNC Ltd.UnclassifiedIPv4649
AS57270FOP Kushnir Aleksandr AndreevichUnclassifiedIPv4232
AS48239Scientific-Production Enterprise Information Technologies LtdUnclassifiedIPv4199
AS41586Ukrainian Internet Company LLCUnclassifiedIPv4180
AS56527Information-Transport Network Company ltd.UnclassifiedIPv4177
AS29637Digital Optical Communications LTDUnclassifiedIPv4118
AS51875COMMERCIAL COMPANY SILVER SERVICE LLCUnclassifiedIPv4118
AS42068LLC "Persha Studia" Development"UnclassifiedIPv4102
AS47403I-Link LLCUnclassifiedIPv459
AS50899Oliynyk Tetiana trading as FOP OliynykUnclassifiedIPv458

All 20 downstreams →

Adjacency

Adjacent networks

All 28

Every AS seen directly next to AS21488 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS174Cogent Communications, LLCTransitIPv4 IPv61,984
AS48239Scientific-Production Enterprise Information Technologies LtdUnclassifiedIPv4765
AS43145RNC Ltd.UnclassifiedIPv4649
AS3356Level 3 Parent, LLCTransitIPv4 IPv6633
AS6939Hurricane Electric LLCTransitIPv4 IPv6302
AS57270FOP Kushnir Aleksandr AndreevichUnclassifiedIPv4232
AS41586Ukrainian Internet Company LLCUnclassifiedIPv4180
AS56527Information-Transport Network Company ltd.UnclassifiedIPv4177
AS29637Digital Optical Communications LTDUnclassifiedIPv4118
AS51875COMMERCIAL COMPANY SILVER SERVICE LLCUnclassifiedIPv4118

All 28 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-10-11 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.47M 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.