asn.dev

Observed topology

AS10158 KAKAO-10158-AS-KR Kakao Corp

Upstreams 19 carry this network
Downstreams 4 this network carries
Adjacent (IPv4) 23
Adjacent (IPv6) 8

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS10158: 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
AS3491PCCW Global (HK) Ltd.TransitIPv4622
AS1299Arelion Sweden ABTransitIPv4 IPv6540
AS9318SK Broadband Co LtdUnclassifiedIPv4 IPv6251
AS4637Telstra GlobalUnclassifiedIPv4 IPv699
AS6939Hurricane Electric LLCTransitIPv430
AS34549meerfarbig GmbH & Co. KGHostingIPv412
AS24482SG.GSHostingIPv47
AS57463NetIX Communications JSCUnclassifiedIPv45
AS48362Stadtwerke FeldkirchResidentialIPv44
AS29169GANDI SASHostingIPv44
AS12552GlobalConnect ABUnclassifiedIPv44
AS1836green.ch AGResidentialIPv44
AS37721Virtual Technologies & SolutionsResidentialIPv44
AS37100SEACOM LimitedUnclassifiedIPv44
AS7575Australian Academic and Research Network (AARNet)EducationIPv42
AS17639Converge ICT Solutions Inc.UnclassifiedIPv42
AS38001NewMedia Express Pte LtdHostingIPv42
AS9304HGC Global Communications LimitedHostingIPv41
AS212024Marc SchmittUnclassifiedIPv41

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 AS10158 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS38099Kakao CorpUnclassifiedIPv4 IPv63,195
AS7625Kakao CorpHostingIPv4 IPv62,387
AS18160Kakao CorpUnclassifiedIPv4 IPv61,463
AS152199Kakao CorpUnclassifiedIPv4 IPv61,339

Adjacency

Adjacent networks

31 shown

Every AS seen directly next to AS10158 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS3491PCCW Global (HK) Ltd.TransitIPv4 IPv67,026
AS38099Kakao CorpUnclassifiedIPv4 IPv63,195
AS7625Kakao CorpHostingIPv4 IPv62,387
AS18160Kakao CorpUnclassifiedIPv4 IPv61,463
AS152199Kakao CorpUnclassifiedIPv4 IPv61,339
AS9318SK Broadband Co LtdUnclassifiedIPv4 IPv61,279
AS4637Telstra GlobalUnclassifiedIPv4 IPv6986
AS1299Arelion Sweden ABTransitIPv4 IPv6579
AS6939Hurricane Electric LLCTransitIPv430
AS34549meerfarbig GmbH & Co. KGHostingIPv418
AS24482SG.GSHostingIPv49
AS57463NetIX Communications JSCUnclassifiedIPv47
AS12552GlobalConnect ABUnclassifiedIPv46
AS1836green.ch AGResidentialIPv46
AS48362Stadtwerke FeldkirchResidentialIPv46
AS29169GANDI SASHostingIPv46
AS37721Virtual Technologies & SolutionsResidentialIPv46
AS37100SEACOM LimitedUnclassifiedIPv46
AS38001NewMedia Express Pte LtdHostingIPv44
AS212024Marc SchmittUnclassifiedIPv43
AS17639Converge ICT Solutions Inc.UnclassifiedIPv42
AS7575Australian Academic and Research Network (AARNet)EducationIPv42
AS9304HGC Global Communications LimitedHostingIPv41

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 AS10158, 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 7 exchanges across 5 countries and 3 regions.

ExchangeLocationTheir addressMember ports
DE-CIX FrankfurtFrankfurt, Germany80.81.193.1071,073
Equinix Internet Exchange SingaporeSingapore, Singapore27.111.228.166490
BroadBand Internet eXchange TokyoTokyo, Japan101.203.88.172359
Coresite - Any2 WestLos Angeles, United States206.72.210.196344
Any2 CaliforniaLos Angeles, United States206.72.210.196321
JPIX TokyoTokyo, Japan210.171.225.28259
Korea Internet Neutral Exchange KINXSeoul, South Korea139.150.100.13564

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 2026-08-08 by Packet Clearing House (https://www.pch.net/ixp/data), covering 1,327 exchanges and 93,137 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.