asn.dev

Observed topology

AS25956 LOGIXCOMM-AS4

Upstreams 3 carry this network
Downstreams 28 this network carries
Adjacent (IPv4) 31
Adjacent (IPv6) 5

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS25956: 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
AS6461Zayo BandwidthTransitIPv4 IPv64,450
AS1299Arelion Sweden ABTransitIPv4 IPv63,694
AS174Cogent Communications, LLCTransitIPv4 IPv62,261

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 AS25956 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS11215LogixUnclassifiedIPv41,062
AS19337Mobius Partners InternetUnclassifiedIPv4399
AS394646Eagle Eye Networks, IncUnclassifiedIPv4343
AS14382Education Service CenterUnclassifiedIPv4 IPv6327
AS18867American Messaging Services L.L.C.UnclassifiedIPv4280
AS29730NovoLink Communications, Inc. - HoustonUnclassifiedIPv4177
AS11012The Digital Design CompanyUnclassifiedIPv4118
AS401085Lower Colorado River AuthorityUnclassifiedIPv4 IPv6112
AS11941Pillsbury Madison & Sutro, Inc.UnclassifiedIPv459
AS62504LiftFund Inc.UnclassifiedIPv459
AS54855Interface Security Systems LLCUnclassifiedIPv457
AS397542Austin Convention Center DepartmentUnclassifiedIPv456
AS40638Pason Systems USA CorpUnclassifiedIPv447
AS27414Caris Diagnostics, Inc.UnclassifiedIPv442
AS53285Evolve Cellular Inc.UnclassifiedIPv430
AS397497Paycom Payroll, LLCUnclassifiedIPv429
AS16797Texas Association of School Boards, IncUnclassifiedIPv428
AS55102NRG Energy, Inc.UnclassifiedIPv428
AS397751JAMES AVERY CRAFTSMAN INCUnclassifiedIPv419
AS398477Velo IT GroupUnclassifiedIPv411
AS532875Q CloudUnclassifiedIPv49
AS40799Loomis Armored US, LLCUnclassifiedIPv46
AS20099Houston Museum of Natural ScienceUnclassifiedIPv45
AS36636First Service Credit UnionUnclassifiedIPv44
AS63325Carriage Services, Inc.UnclassifiedIPv44
AS397844Forescout Technologies Inc.UnclassifiedIPv44
AS397107eCU Technology, LLCUnclassifiedIPv44
AS399373Gigcasters LLCUnclassifiedIPv43

Adjacency

Adjacent networks

36 shown

Every AS seen directly next to AS25956 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS6461Zayo BandwidthTransitIPv4 IPv65,869
AS1299Arelion Sweden ABTransitIPv4 IPv64,991
AS174Cogent Communications, LLCTransitIPv4 IPv62,926
AS11215LogixUnclassifiedIPv41,121
AS19337Mobius Partners InternetUnclassifiedIPv4399
AS394646Eagle Eye Networks, IncUnclassifiedIPv4343
AS14382Education Service CenterUnclassifiedIPv4 IPv6327
AS18867American Messaging Services L.L.C.UnclassifiedIPv4280
AS29730NovoLink Communications, Inc. - HoustonUnclassifiedIPv4177
AS11012The Digital Design CompanyUnclassifiedIPv4118
AS401085Lower Colorado River AuthorityUnclassifiedIPv4 IPv6112
AS11941Pillsbury Madison & Sutro, Inc.UnclassifiedIPv459
AS62504LiftFund Inc.UnclassifiedIPv459
AS54855Interface Security Systems LLCUnclassifiedIPv457
AS397542Austin Convention Center DepartmentUnclassifiedIPv456
AS40638Pason Systems USA CorpUnclassifiedIPv447
AS27414Caris Diagnostics, Inc.UnclassifiedIPv442
AS53285Evolve Cellular Inc.UnclassifiedIPv430
AS397497Paycom Payroll, LLCUnclassifiedIPv429
AS16797Texas Association of School Boards, IncUnclassifiedIPv428
AS55102NRG Energy, Inc.UnclassifiedIPv428
AS397751JAMES AVERY CRAFTSMAN INCUnclassifiedIPv419
AS398477Velo IT GroupUnclassifiedIPv411
AS532875Q CloudUnclassifiedIPv49
AS40799Loomis Armored US, LLCUnclassifiedIPv46
AS20099Houston Museum of Natural ScienceUnclassifiedIPv45
AS397844Forescout Technologies Inc.UnclassifiedIPv44
AS397107eCU Technology, LLCUnclassifiedIPv44
AS36636First Service Credit UnionUnclassifiedIPv44
AS63325Carriage Services, Inc.UnclassifiedIPv44
AS399373Gigcasters LLCUnclassifiedIPv43

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 AS25956, 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.

No exchange membership on file. That is not the same as peering nowhere: the dataset records what PCH has collected, and many exchanges publish no participant list at all.

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.