asn.dev

Observed topology

AS3320 DTAG Internet service provider operations

Upstreams 31 carry this network
Downstreams 665 this network carries
Adjacent (IPv4) 677
Adjacent (IPv6) 411

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS3320: 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 IPv612,145
AS3356Level 3 Parent, LLCTransitIPv4 IPv67,603
AS6939Hurricane Electric LLCTransitIPv4 IPv65,964
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv63,611
AS174Cogent Communications, LLCTransitIPv4 IPv63,525
AS2914NTT America, Inc.TransitIPv4 IPv63,204
AS3257GTT Communications Inc.TransitIPv4 IPv62,541
AS9002RETN LimitedUnclassifiedIPv4 IPv61,810
AS3491PCCW Global (HK) Ltd.TransitIPv4 IPv61,810
AS7018AT&T Enterprises, LLCResidentialIPv4 IPv61,809
AS33891Core-Backbone GmbHHostingIPv4 IPv61,766
AS6453TATA COMMUNICATIONS (AMERICA) INCTransitIPv4 IPv61,089
AS37721Virtual Technologies & SolutionsResidentialIPv4 IPv6975
AS852TELUS Communications Inc.ResidentialIPv4 IPv6929
AS3333Reseaux IP Europeens Network Coordination Centre (RIPE NCC)UnclassifiedIPv4 IPv6929
AS12586GHOSTnet GmbHHostingIPv4 IPv6928
AS6830Liberty Global Europe Holding B.V.ResidentialIPv4 IPv6903
AS2497Internet Initiative Japan Inc.UnclassifiedIPv4882
AS3303Swisscom (Schweiz) AGResidentialIPv4882
AS12552GlobalConnect ABUnclassifiedIPv4882
AS293ESnetUnclassifiedIPv4867
AS4637Telstra GlobalUnclassifiedIPv4 IPv6644
AS4809China Telecom Next Generation Carrier NetworkUnclassifiedIPv4640
AS44530HOPUS SASUnclassifiedIPv4 IPv648
AS13030Init7 (Switzerland) Ltd.HostingIPv647
AS5511Orange S.A.TransitIPv640
AS6762TELECOM ITALIA SPARKLE S.p.A.TransitIPv625
AS58057Securebit AGUnclassifiedIPv425
AS7922Comcast Cable Communications, LLCResidentialIPv64
AS7473Singapore Telecommunications LtdUnclassifiedIPv63
AS5405Inter.link GmbHUnclassifiedIPv61

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 AS3320 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS16509Amazon.com, Inc.HostingIPv4 IPv622,636
AS9583Sify LimitedUnclassifiedIPv412,574
AS5483Magyar Telekom Plc.MobileIPv4 IPv66,369
AS8412T-Mobile Austria GmbHResidentialIPv4 IPv65,940
AS9183Bosch Gesellschaft mit Beschraenkter HaftungUnclassifiedIPv44,208
AS20940Akamai International B.V.HostingIPv4 IPv63,437
AS2773Deutsche Telekom AGUnclassifiedIPv4 IPv62,978
AS12586GHOSTnet GmbHHostingIPv41,755
AS48951Telekom Deutschland GmbHUnclassifiedIPv4 IPv61,752
AS9929CHINA UNICOM Industrial Internet BackboneUnclassifiedIPv41,388
AS3303Swisscom (Schweiz) AGResidentialIPv41,381
AS4837CHINA UNICOM China169 BackboneMobileIPv4 IPv61,373
AS31898Oracle CorporationHostingIPv41,305
AS1136KPN B.V.ResidentialIPv41,267
AS88811&1 Versatel GmbHResidentialIPv4 IPv61,247
AS213677Fibercop S.p.A.UnclassifiedIPv41,244
AS17676SoftBank Corp.MobileIPv41,241
AS9121Turk Telekomunikasyon Anonim SirketiMobileIPv4 IPv61,108
AS61157PlusServer GmbHHostingIPv41,044
AS12912T-Mobile Polska S.A.UnclassifiedIPv41,011
AS701Verizon BusinessResidentialIPv4963
AS43066Information und Technik Nordrhein-WestfalenUnclassifiedIPv4926
AS5391Hrvatski Telekom d.d.ResidentialIPv4918
AS3356Level 3 Parent, LLCTransitIPv4914
AS2792Deutsche Telekom AGUnclassifiedIPv4900
AS3292TDC Holding A/SResidentialIPv4840
AS39855Mod Mission Critical LLCHostingIPv4832
AS4809China Telecom Next Generation Carrier NetworkUnclassifiedIPv4824
AS4766Korea TelecomMobileIPv4824
AS3573Accenture LLPUnclassifiedIPv4 IPv6770
AS34086T-Systems International GmbHUnclassifiedIPv4720
AS6878T-Systems International GmbHHostingIPv4677
AS5511Orange S.A.TransitIPv4617
AS15540operational services GmbH & Co. KGUnclassifiedIPv4600
AS7018AT&T Enterprises, LLCResidentialIPv4598
AS202847Sozialversicherung fuer Landwirtschaft, Forsten und GartenbauUnclassifiedIPv4 IPv6590
AS2516KDDI CORPORATIONMobileIPv4559
AS6855Slovak Telekom, a.s.MobileIPv4540
AS12291Deutsche Post AGUnclassifiedIPv4540
AS204138REHAU Management SE trading as REHAU Industries SE & Co. KGUnclassifiedIPv4 IPv6530
AS3209Vodafone GmbHResidentialIPv4512
AS201299BWI GmbHUnclassifiedIPv4 IPv6474
AS35704ITZBundUnclassifiedIPv4427
AS852TELUS Communications Inc.ResidentialIPv4424
AS208606Stadtwerke Duesseldorf AGUnclassifiedIPv4420
AS48097nobilia-Werke J. Stickling GmbH & Co. KGUnclassifiedIPv4420
AS13285TalkTalk Communications LimitedResidentialIPv4412
AS7922Comcast Cable Communications, LLCResidentialIPv4406
AS2860NOS COMUNICACOES, S.A.ResidentialIPv4403
AS8437Hutchison Drei Austria GmbHUnclassifiedIPv4381
AS34788Neue Medien Muennich GmbHHostingIPv4370
AS43292BITMARCK GmbHUnclassifiedIPv4360
AS48049Kommunales Rechenzentrum NiederrheinUnclassifiedIPv4360
AS50621OMG.de GmbHUnclassifiedIPv4360
AS26464Joyent, Inc.HostingIPv4358
AS8387Deutsche Telekom Global Business Solutions GmbHUnclassifiedIPv4348
AS197206BusinessCom CZ spol. s r.o.UnclassifiedIPv4330
AS15415Oberberg-Online Informationssysteme GmbHUnclassifiedIPv4330
AS49981WorldStream B.V.HostingIPv4320
AS198225Mitteldeutsche Gesellschaft fuer Kommunikation mbHResidentialIPv4318
AS2906Netflix Streaming Services Inc.HostingIPv4 IPv6310
AS5603Telekom Slovenije, d.d.MobileIPv4307
AS12541LYNTIA NETWORKS S.A.UnclassifiedIPv4305
AS48545ING-DiBa AGUnclassifiedIPv4300
AS138005LENOVO (AUSTRALIA & NEW ZEALAND) PTY LIMITEDUnclassifiedIPv4300
AS9175Circ IT GmbH & Co. KGUnclassifiedIPv4300
AS680Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.UnclassifiedIPv4294
AS8560IONOS SEHostingIPv4291
AS8648dogado GmbHHostingIPv4290
AS3278SEW-EURODRIVE GmbH & Co KGUnclassifiedIPv4278
AS15590Atruvia AGUnclassifiedIPv4278
AS50964civillent GmbHUnclassifiedIPv4270
AS51733BWI GmbHUnclassifiedIPv4265
AS12552GlobalConnect ABUnclassifiedIPv4263
AS8447A1 Telekom Austria AGResidentialIPv4257
AS8820tal.de GmbHHostingIPv4257
AS15557SFR SAResidentialIPv4254
AS60175Wortmann AGUnclassifiedIPv4252
AS208500UPONU GmbHUnclassifiedIPv4240
AS43193Bayerisches Landesamt fuer SteuernUnclassifiedIPv4240
AS213283Bundesministerium des Innern und fuer HeimatUnclassifiedIPv4238
AS48918Globalways GmbHUnclassifiedIPv4225
AS200567Wireless Logic mdex GmbHUnclassifiedIPv4223
AS198311Flughafen Berlin Brandenburg GmbHUnclassifiedIPv4218
AS44819LB GmbHUnclassifiedIPv4217
AS47295NTT Data Business Solutions Global Managed Services GmbHUnclassifiedIPv4213
AS12329GLASFASER RUHR GmbH & Co. KGUnclassifiedIPv4212
AS58265city-netze GmbHUnclassifiedIPv4210
AS201530LVM Landwirtschaftlicher Versicherungsverein Muenster a.G.UnclassifiedIPv4209
AS33984Surfplanet GmbHHostingIPv4209
AS12440Hughes Network Systems GmbHUnclassifiedIPv4205
AS208106RZV GmbHUnclassifiedIPv4200
AS203836Net at vision Gesellschaft fuer Informationstechnologie mbHUnclassifiedIPv4200
AS35710weber.digital GmbHHostingIPv4197
AS198333DATAGROUP SEUnclassifiedIPv4196
AS213141B. Braun Melsungen AGUnclassifiedIPv4193
AS197491Applied International Informatics GmbHUnclassifiedIPv4192
AS207486aov IT.Services GmbHUnclassifiedIPv4186
AS51871F1-CONSULT GmbH & Co. KGUnclassifiedIPv6182
AS30941BEUMER Maschinengesellschaft mbHUnclassifiedIPv4180
AS16356Ricoh Deutschland GmbHUnclassifiedIPv4180
AS209039Benocs GmbHUnclassifiedIPv4180
AS1902Deutsche Telekom Cloud Services s.r.o.UnclassifiedIPv4180
AS34906AVIANET Network Management GmbHUnclassifiedIPv4179
AS4744723M GmbHHostingIPv4172
AS13445Cisco Webex LLCHostingIPv4168
AS29551Aixit GmbHHostingIPv4163
AS204028Dolphin IT-Systeme e.K.UnclassifiedIPv6162
AS31352Mainova AGUnclassifiedIPv4160
AS30962comtrance service GmbHHostingIPv4157
AS24940Hetzner Online GmbHHostingIPv4155
AS15495BASF Digital Solutions GmbHUnclassifiedIPv4154
AS12460mandala IT GmbHUnclassifiedIPv4154
AS12360KEVAG Telekom GmbHResidentialIPv4153
AS35548smartTERRA GmbHHostingIPv4153
AS23764CTGNetUnclassifiedIPv4152
AS29224Hellmann Worldwide Logistics GmbH & Co KGUnclassifiedIPv4151
AS8495INTERNET AG Global NetworkHostingIPv4150
AS58346KASSENZAHNAERZTLICHE VEREINIGUNG NORDRHEINUnclassifiedIPv4149
AS62044Zscaler Switzerland GmbHBusinessIPv4149
AS24951EveryWare AGHostingIPv4147
AS204052Jenoptik AGUnclassifiedIPv4144
AS25260QualityHosting GmbHHostingIPv4144
AS31242P4 Sp. z o.o.MobileIPv4143
AS25038Alfred Schruff trading as AIXTRANETUnclassifiedIPv4135
AS9063VSE NET GmbHUnclassifiedIPv4134
AS21413Envia Tel GmbHResidentialIPv4128
AS54113Fastly, Inc.HostingIPv4128
AS48778IHK Gesellschaft fuer Informationsverarbeitung mbHUnclassifiedIPv4125
AS201834Supply Frame, Inc.UnclassifiedIPv4120
AS15451DATEV eGUnclassifiedIPv4120
AS59543Vattenfall N.V.UnclassifiedIPv4120
AS206899Knauf Information Services GmbHUnclassifiedIPv4120
AS206917gkv informatik eGbRUnclassifiedIPv4120
AS42274Vattenfall Europe Information Services GmbHUnclassifiedIPv4120
AS62204Eurowings Aviation GmbHUnclassifiedIPv4120

Adjacency

Adjacent networks

150 shown

Every AS seen directly next to AS3320 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS3333Reseaux IP Europeens Network Coordination Centre (RIPE NCC)UnclassifiedIPv4 IPv6141,887
AS3356Level 3 Parent, LLCTransitIPv4 IPv687,013
AS852TELUS Communications Inc.ResidentialIPv4 IPv661,059
AS6939Hurricane Electric LLCTransitIPv4 IPv628,371
AS1299Arelion Sweden ABTransitIPv4 IPv628,086
AS16509Amazon.com, Inc.HostingIPv4 IPv626,828
AS12552GlobalConnect ABUnclassifiedIPv424,320
AS7018AT&T Enterprises, LLCResidentialIPv4 IPv620,080
AS5511Orange S.A.TransitIPv4 IPv616,649
AS3303Swisscom (Schweiz) AGResidentialIPv415,800
AS9121Turk Telekomunikasyon Anonim SirketiMobileIPv4 IPv615,435
AS5483Magyar Telekom Plc.MobileIPv4 IPv614,455
AS9002RETN LimitedUnclassifiedIPv4 IPv613,898
AS9583Sify LimitedUnclassifiedIPv412,574
AS293ESnetUnclassifiedIPv412,180
AS2914NTT America, Inc.TransitIPv4 IPv611,838
AS4809China Telecom Next Generation Carrier NetworkUnclassifiedIPv411,648
AS3491PCCW Global (HK) Ltd.TransitIPv4 IPv611,476
AS174Cogent Communications, LLCTransitIPv4 IPv610,827
AS8412T-Mobile Austria GmbHResidentialIPv4 IPv69,415
AS4837CHINA UNICOM China169 BackboneMobileIPv4 IPv69,286
AS2497Internet Initiative Japan Inc.UnclassifiedIPv48,194
AS701Verizon BusinessResidentialIPv47,558
AS3257GTT Communications Inc.TransitIPv4 IPv66,980
AS20940Akamai International B.V.HostingIPv4 IPv66,569
AS7922Comcast Cable Communications, LLCResidentialIPv4 IPv66,011
AS5391Hrvatski Telekom d.d.ResidentialIPv45,444
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv65,243
AS6453TATA COMMUNICATIONS (AMERICA) INCTransitIPv4 IPv64,943
AS4637Telstra GlobalUnclassifiedIPv4 IPv64,660
AS9183Bosch Gesellschaft mit Beschraenkter HaftungUnclassifiedIPv44,208
AS12586GHOSTnet GmbHHostingIPv43,051
AS2773Deutsche Telekom AGUnclassifiedIPv42,808
AS37721Virtual Technologies & SolutionsResidentialIPv4 IPv62,805
AS6762TELECOM ITALIA SPARKLE S.p.A.TransitIPv42,794
AS6855Slovak Telekom, a.s.MobileIPv42,787
AS4766Korea TelecomMobileIPv42,745
AS48951Telekom Deutschland GmbHUnclassifiedIPv4 IPv62,528
AS33891Core-Backbone GmbHHostingIPv42,519
AS9929CHINA UNICOM Industrial Internet BackboneUnclassifiedIPv42,065
AS12912T-Mobile Polska S.A.UnclassifiedIPv41,924
AS3292TDC Holding A/SResidentialIPv41,868
AS47147Anexia Cloud Solutions GmbHUnclassifiedIPv4 IPv61,813
AS1136KPN B.V.ResidentialIPv41,717
AS31898Oracle CorporationHostingIPv41,335
AS8447A1 Telekom Austria AGResidentialIPv41,304
AS213677Fibercop S.p.A.UnclassifiedIPv41,244
AS17676SoftBank Corp.MobileIPv41,241
AS37271Workonline Communications(Pty) LtdUnclassifiedIPv41,218
AS8529Zain Omantel International FZ-LLCUnclassifiedIPv41,187
AS2516KDDI CORPORATIONMobileIPv41,178
AS6830Liberty Global Europe Holding B.V.ResidentialIPv41,124
AS88811&1 Versatel GmbHResidentialIPv41,113
AS61157PlusServer GmbHHostingIPv41,094
AS5603Telekom Slovenije, d.d.MobileIPv41,002
AS28716Retelit Digital Services S.p.A.UnclassifiedIPv4993
AS43066Information und Technik Nordrhein-WestfalenUnclassifiedIPv4926
AS203759INTAC Services GmbHUnclassifiedIPv4901
AS2792Deutsche Telekom AGUnclassifiedIPv4900
AS39855Mod Mission Critical LLCHostingIPv4832
AS5405Inter.link GmbHUnclassifiedIPv4826
AS23764CTGNetUnclassifiedIPv4803
AS38193Transworld Associates (Pvt.) Ltd.UnclassifiedIPv4782
AS34086T-Systems International GmbHUnclassifiedIPv4720
AS15557SFR SAResidentialIPv4687
AS6878T-Systems International GmbHHostingIPv4677
AS2860NOS COMUNICACOES, S.A.ResidentialIPv4651
AS49981WorldStream B.V.HostingIPv4650
AS8903LYNTIA NETWORKS S.A.UnclassifiedIPv4645
AS3209Vodafone GmbHResidentialIPv4627
AS8648dogado GmbHHostingIPv4604
AS3573Accenture LLPUnclassifiedIPv4600
AS15540operational services GmbH & Co. KGUnclassifiedIPv4600
AS58807China Mobile International LimitedMobileIPv4540
AS12291Deutsche Post AGUnclassifiedIPv4540
AS13285TalkTalk Communications LimitedResidentialIPv4536
AS24961WIIT AGHostingIPv4487
AS12541LYNTIA NETWORKS S.A.UnclassifiedIPv4460
AS21413Envia Tel GmbHResidentialIPv4430
AS35704ITZBundUnclassifiedIPv4427
AS208606Stadtwerke Duesseldorf AGUnclassifiedIPv4420
AS48097nobilia-Werke J. Stickling GmbH & Co. KGUnclassifiedIPv4420
AS202847Sozialversicherung fuer Landwirtschaft, Forsten und GartenbauUnclassifiedIPv4420
AS14114SAP America Inc.UnclassifiedIPv4415
AS4744723M GmbHHostingIPv4398
AS19551Incapsula IncHostingIPv4396
AS48918Globalways GmbHUnclassifiedIPv4395
AS31242P4 Sp. z o.o.MobileIPv4390
AS8387Deutsche Telekom Global Business Solutions GmbHUnclassifiedIPv4388
AS680Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.UnclassifiedIPv4383
AS8437Hutchison Drei Austria GmbHUnclassifiedIPv4381
AS34788Neue Medien Muennich GmbHHostingIPv4370
AS13030Init7 (Switzerland) Ltd.HostingIPv6362
AS12329GLASFASER RUHR GmbH & Co. KGUnclassifiedIPv4361
AS48049Kommunales Rechenzentrum NiederrheinUnclassifiedIPv4360
AS50621OMG.de GmbHUnclassifiedIPv4360
AS43292BITMARCK GmbHUnclassifiedIPv4360
AS204138REHAU Management SE trading as REHAU Industries SE & Co. KGUnclassifiedIPv4360
AS26464Joyent, Inc.HostingIPv4358
AS16097HL komm Telekommunikations GmbHResidentialIPv4355
AS44530HOPUS SASUnclassifiedIPv4331
AS197206BusinessCom CZ spol. s r.o.UnclassifiedIPv4330
AS15415Oberberg-Online Informationssysteme GmbHUnclassifiedIPv4330
AS8560IONOS SEHostingIPv4322
AS9099Finanz Informatik GmbH & Co. KGUnclassifiedIPv4319
AS198225Mitteldeutsche Gesellschaft fuer Kommunikation mbHResidentialIPv4318
AS2119Telenor Norge ASMobileIPv4310

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 AS3320, 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 2 regions.

ExchangeLocationTheir addressMember ports
DE-CIX FrankfurtFrankfurt, Germany80.81.194.951,073
LINX LON1London, United Kingdom195.66.224.137925
AMS-IX AmsterdamAmsterdam, Netherlands80.249.209.211893
Neutral Internet ExchangeAmsterdam, Netherlands193.239.116.84665
Equinix Internet Exchange AshburnAshburn, United States206.126.236.94388
Equinix Internet Exchange Palo AltoPalo Alto, United States198.32.176.5776
CERN IXP / Equinix Internet Exchange GenevaGeneva, Switzerland192.65.185.13554

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.