Observed topology
AS63741 DCNET-AS-VN DCNET TELECOM
Transit
Upstream networks
Networks observed carrying traffic for AS63741: 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.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 322 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 207 |
| AS45903 | CMC Telecom Infrastructure Company | Residential | IPv4 IPv6 | 190 |
| AS2914 | NTT America, Inc. | Transit | IPv4 IPv6 | 103 |
| AS45899 | VNPT Corp | Mobile | IPv4 IPv6 | 73 |
| AS9304 | HGC Global Communications Limited | Hosting | IPv4 IPv6 | 53 |
| AS44356 | Epsilon Telecommunications Ltd | Unclassified | IPv4 | 50 |
| AS58453 | China Mobile International Limited | Unclassified | IPv4 | 49 |
| AS34549 | meerfarbig GmbH & Co. KG | Hosting | IPv4 IPv6 | 48 |
| AS7552 | Viettel Group | Mobile | IPv4 | 40 |
| AS22652 | Videotron Ltee | Residential | IPv4 IPv6 | 17 |
| AS50304 | Blix Solutions AS | Unclassified | IPv4 | 15 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 | 14 |
| AS50300 | CustodianDC Limited | Unclassified | IPv4 IPv6 | 14 |
| AS3741 | Dimension Data | Unclassified | IPv4 | 13 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 13 |
| AS48362 | Stadtwerke Feldkirch | Residential | IPv4 IPv6 | 12 |
| AS50628 | Leonix Telecom SAS | Unclassified | IPv4 IPv6 | 11 |
| AS4635 | Hong Kong Internet Exchange--Route Server 1 | Unclassified | IPv4 | 10 |
| AS64073 | Vetta Group | Unclassified | IPv4 IPv6 | 9 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 8 |
| AS50673 | Serverius Holding B.V. | Unclassified | IPv4 | 7 |
| AS9119 | SOFTNET d.o.o. | Residential | IPv4 | 7 |
| AS48185 | team.blue NV | Unclassified | IPv4 IPv6 | 7 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 7 |
| AS38001 | NewMedia Express Pte Ltd | Hosting | IPv4 | 6 |
| AS20766 | Association "Gitoyen" | Unclassified | IPv4 | 6 |
| AS17639 | Converge ICT Solutions Inc. | Unclassified | IPv4 | 5 |
| AS12552 | GlobalConnect AB | Unclassified | IPv4 | 5 |
| AS3491 | PCCW Global (HK) Ltd. | Transit | IPv4 IPv6 | 5 |
| AS20485 | Joint Stock Company TransTeleCom | Unclassified | IPv4 | 4 |
| AS7575 | Australian Academic and Research Network (AARNet) | Education | IPv4 | 4 |
| AS3333 | Reseaux IP Europeens Network Coordination Centre (RIPE NCC) | Unclassified | IPv4 IPv6 | 4 |
| AS12779 | IT.Gate S.p.A. | Unclassified | IPv4 | 3 |
| AS3216 | PJSC "Vimpelcom" | Mobile | IPv4 | 3 |
| AS56655 | Gigahost AS | Unclassified | IPv4 | 2 |
| AS29632 | Netassist International EOOD | Unclassified | IPv6 | 2 |
| AS57463 | NetIX Communications JSC | Unclassified | IPv4 | 2 |
| AS212024 | Marc Schmitt | Unclassified | IPv6 | 1 |
| AS56662 | Marcin Gondek | Unclassified | IPv6 | 1 |
| AS213241 | TECHIT.BE SRL | Residential | IPv6 | 1 |
| AS61292 | Blix Group AS | Unclassified | IPv6 | 1 |
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
Networks for which AS63741 was observed as the last hop before the origin, meaning it appears to provide them transit.
Adjacency
Adjacent networks
Every AS seen directly next to AS63741 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 1,304 |
| AS4635 | Hong Kong Internet Exchange--Route Server 1 | Unclassified | IPv4 | 517 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 207 |
| AS45552 | METASERV COMPANY LIMITED | Unclassified | IPv4 | 197 |
| AS45903 | CMC Telecom Infrastructure Company | Residential | IPv4 IPv6 | 190 |
| AS18403 | FPT Telecom Company | Residential | IPv4 | 137 |
| AS2914 | NTT America, Inc. | Transit | IPv4 IPv6 | 128 |
| AS55313 | Hanel Communication JSC | Unclassified | IPv4 | 77 |
| AS45899 | VNPT Corp | Mobile | IPv4 IPv6 | 73 |
| AS142211 | DCNET TELECOM | Unclassified | IPv4 | 66 |
| AS9304 | HGC Global Communications Limited | Hosting | IPv4 IPv6 | 62 |
| AS44356 | Epsilon Telecommunications Ltd | Unclassified | IPv4 | 50 |
| AS58453 | China Mobile International Limited | Unclassified | IPv4 | 49 |
| AS34549 | meerfarbig GmbH & Co. KG | Hosting | IPv4 IPv6 | 48 |
| AS7552 | Viettel Group | Mobile | IPv4 | 40 |
| AS4229 | Zenlayer Inc | Hosting | IPv4 | 34 |
| AS22652 | Videotron Ltee | Residential | IPv4 IPv6 | 17 |
| AS50304 | Blix Solutions AS | Unclassified | IPv4 | 15 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 | 14 |
| AS50300 | CustodianDC Limited | Unclassified | IPv4 IPv6 | 14 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 13 |
| AS3741 | Dimension Data | Unclassified | IPv4 | 13 |
| AS48362 | Stadtwerke Feldkirch | Residential | IPv4 IPv6 | 12 |
| AS50628 | Leonix Telecom SAS | Unclassified | IPv4 IPv6 | 11 |
| AS64073 | Vetta Group | Unclassified | IPv4 IPv6 | 9 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 8 |
| AS9119 | SOFTNET d.o.o. | Residential | IPv4 | 7 |
| AS50673 | Serverius Holding B.V. | Unclassified | IPv4 | 7 |
| AS48185 | team.blue NV | Unclassified | IPv4 IPv6 | 7 |
| AS3491 | PCCW Global (HK) Ltd. | Transit | IPv4 IPv6 | 7 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 7 |
| AS38001 | NewMedia Express Pte Ltd | Hosting | IPv4 | 6 |
| AS20766 | Association "Gitoyen" | Unclassified | IPv4 | 6 |
| AS12552 | GlobalConnect AB | Unclassified | IPv4 | 5 |
| AS17639 | Converge ICT Solutions Inc. | Unclassified | IPv4 | 5 |
| AS7575 | Australian Academic and Research Network (AARNet) | Education | IPv4 | 4 |
| AS20485 | Joint Stock Company TransTeleCom | Unclassified | IPv4 | 4 |
| AS3333 | Reseaux IP Europeens Network Coordination Centre (RIPE NCC) | Unclassified | IPv4 IPv6 | 4 |
| AS12779 | IT.Gate S.p.A. | Unclassified | IPv4 | 3 |
| AS3216 | PJSC "Vimpelcom" | Mobile | IPv4 | 3 |
| AS56655 | Gigahost AS | Unclassified | IPv4 | 2 |
| AS29632 | Netassist International EOOD | Unclassified | IPv6 | 2 |
| AS57463 | NetIX Communications JSC | Unclassified | IPv4 | 2 |
| AS61292 | Blix Group AS | Unclassified | IPv6 | 1 |
| AS213241 | TECHIT.BE SRL | Residential | IPv6 | 1 |
| AS212024 | Marc Schmitt | Unclassified | IPv6 | 1 |
| AS56662 | Marcin Gondek | Unclassified | IPv6 | 1 |
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
Internet exchanges where Packet Clearing House has a port recorded for AS63741, 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 13 exchanges across 10 countries and 3 regions.
| Exchange | Location | Their address | Member ports |
|---|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.194.61 | 1,073 |
| LINX LON1 | London, United Kingdom | 195.66.228.55 | 925 |
| AMS-IX Amsterdam | Amsterdam, Netherlands | 80.249.211.149 | 894 |
| France-IX Paris | Paris, France | 37.49.237.254 | 570 |
| BroadBand Internet eXchange Tokyo | Tokyo, Japan | 101.203.90.189 | 359 |
| Hong Kong Internet Exchange | Hong Kong, China | 123.255.90.78 | 307 |
| DE-CIX New York | New York, United States | 206.82.105.25 | 279 |
| Singapore Internet Exchange | Singapore, Singapore | 103.16.103.47 | 273 |
| Megaport IX Sydney | Sydney, Australia | 103.26.68.48 | 271 |
| BroadBand Internet eXchange Hong Kong | Hong Kong, China | 103.203.158.87 | 101 |
| Korea Internet Neutral Exchange KINX | Seoul, South Korea | 139.150.100.87 | 64 |
| AMS-IX Hong Kong | Hong Kong, China | 103.247.139.13 | 52 |
| MegaPort IX Singapore | Singapore, Singapore | 103.41.12.32 | 46 |
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.