asn.dev

Observed topology

AS13876 FIBER-64

Unclassified ARIN

Upstreams 7 carry this network
Downstreams 61 this network carries
Adjacent (IPv4) 66
Adjacent (IPv6) 12
Upstream graph Who carries AS13876, and who carries them, drawn as a map up to the transit-free core. 2 exchanges Where AS13876 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS13876: 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 IPv63,138
AS3356Level 3 Parent, LLCTransitIPv4 IPv6355
AS3257GTT Communications Inc.TransitIPv4 IPv6105
AS2914NTT America, Inc.TransitIPv4 IPv680
AS6939Hurricane Electric LLCTransitIPv436
AS24482SG.GSHostingIPv4 IPv620
AS37721Virtual Technologies & SolutionsResidentialIPv4 IPv620

Transit

Downstream networks

All 61

Networks for which AS13876 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS16574Gtek Computers LLCUnclassifiedIPv41,045
AS22598ALENCO COMMUNICATIONS, INCUnclassifiedIPv4977
AS36105Big Bend Telephone Company, Inc.UnclassifiedIPv4675
AS46719COMCELL INC.UnclassifiedIPv4642
AS10392New Source BroadbandResidentialIPv4460
AS6620AMA Communications, LLCResidentialIPv4424
AS401486RAVNIX LLCUnclassifiedIPv4 IPv6413
AS63483SkynetUnclassifiedIPv4392
AS397293Victoria Electric CooperativeUnclassifiedIPv4343
AS399060BEC Communications, LLCUnclassifiedIPv4259

All 61 downstreams →

Adjacency

Adjacent networks

All 68

Every AS seen directly next to AS13876 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS1299Arelion Sweden ABTransitIPv4 IPv610,957
AS16574Gtek Computers LLCUnclassifiedIPv41,045
AS22598ALENCO COMMUNICATIONS, INCUnclassifiedIPv4977
AS36105Big Bend Telephone Company, Inc.UnclassifiedIPv4675
AS46719COMCELL INC.UnclassifiedIPv4642
AS3356Level 3 Parent, LLCTransitIPv4 IPv6629
AS3257GTT Communications Inc.TransitIPv4 IPv6579
AS401486RAVNIX LLCUnclassifiedIPv4 IPv6563
AS10392New Source BroadbandResidentialIPv4460
AS6620AMA Communications, LLCResidentialIPv4424

All 68 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-10-29 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.36M 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.