Observed topology
AS5606 GTS-BACKBONE GTS Telecom
Transit
Upstream networks
Networks observed carrying traffic for AS5606: 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 |
|---|---|---|---|---|
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 1,243 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 1,069 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 963 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 IPv6 | 800 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 518 |
| AS34549 | meerfarbig GmbH & Co. KG | Hosting | IPv4 IPv6 | 407 |
| AS6762 | TELECOM ITALIA SPARKLE S.p.A. | Transit | IPv4 IPv6 | 263 |
| AS50673 | Serverius Holding B.V. | Unclassified | IPv4 | 252 |
| AS8708 | DIGI ROMANIA S.A. | Mobile | IPv4 IPv6 | 232 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 IPv6 | 137 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 136 |
| AS15935 | ha-vel internet s.r.o. | Unclassified | IPv4 IPv6 | 136 |
| AS1836 | green.ch AG | Residential | IPv4 IPv6 | 136 |
| AS48362 | Stadtwerke Feldkirch | Residential | IPv4 IPv6 | 136 |
| AS212024 | Marc Schmitt | Unclassified | IPv4 IPv6 | 132 |
| AS57463 | NetIX Communications JSC | Unclassified | IPv4 | 131 |
| AS20485 | Joint Stock Company TransTeleCom | Unclassified | IPv4 | 131 |
| AS12552 | GlobalConnect AB | Unclassified | IPv4 | 131 |
| AS12779 | IT.Gate S.p.A. | Unclassified | IPv4 | 131 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 | 131 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 131 |
| AS3333 | Reseaux IP Europeens Network Coordination Centre (RIPE NCC) | Unclassified | IPv4 IPv6 | 131 |
| AS50300 | CustodianDC Limited | Unclassified | IPv4 IPv6 | 131 |
| AS34927 | iFog GmbH | Hosting | IPv4 | 126 |
| AS293 | ESnet | Unclassified | IPv4 | 126 |
| AS20766 | Association "Gitoyen" | Unclassified | IPv4 | 126 |
| AS29632 | Netassist International EOOD | Unclassified | IPv6 | 10 |
| AS34019 | Hivane Association | Unclassified | IPv4 IPv6 | 10 |
| AS17639 | Converge ICT Solutions Inc. | Unclassified | IPv4 IPv6 | 9 |
| AS9002 | RETN Limited | Unclassified | IPv6 | 5 |
| AS56662 | Marcin Gondek | Unclassified | IPv6 | 5 |
| AS213241 | TECHIT.BE SRL | Residential | IPv6 | 5 |
| AS1103 | SURF B.V. | Unclassified | IPv4 | 5 |
| AS33891 | Core-Backbone GmbH | Hosting | IPv4 | 2 |
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 AS5606 was observed as the last hop before the origin, meaning it appears to provide them transit.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS44043 | Cyber_Folks SRL | Unclassified | IPv4 | 3,179 |
| AS34358 | Cyber_Folks SRL | Hosting | IPv4 | 2,211 |
| AS203053 | CLAUS WEB srl | Unclassified | IPv4 | 1,740 |
| AS43927 | HOSTERION SRL | Unclassified | IPv4 IPv6 | 514 |
| AS211611 | Exim Host SRL | Unclassified | IPv4 | 357 |
| AS50084 | S.A."Rapid Link" S.R.L. | Residential | IPv4 IPv6 | 326 |
| AS41028 | CobraTELECOM SRL | Residential | IPv4 | 293 |
| AS212192 | INTELI TECH DEVELOPMENT SRL | Unclassified | IPv4 | 268 |
| AS58247 | SC NETVEILLANCE SRL | Unclassified | IPv4 | 231 |
| AS9064 | Internet City Doi SA | Unclassified | IPv4 | 193 |
| AS33839 | ALTAIR NET SRL | Unclassified | IPv4 | 174 |
| AS211701 | BUSINESS SOFTWARE DEVELOPMENT SRL | Unclassified | IPv4 | 174 |
| AS60509 | S 800 Customer Service Provider SRL | Unclassified | IPv4 | 171 |
| AS201387 | Luxoft Professional Romania S.R.L. | Unclassified | IPv4 | 150 |
| AS44418 | Bitdefender SRL | Unclassified | IPv4 IPv6 | 133 |
| AS212221 | INTERNET BROKER SRL | Hosting | IPv4 | 130 |
| AS39312 | Luxoft Professional Romania S.R.L. | Unclassified | IPv4 IPv6 | 126 |
| AS19197 | Stefanini, Inc. | Unclassified | IPv4 | 124 |
| AS57646 | Alef Distribution RO SA | Unclassified | IPv4 | 120 |
| AS34283 | Alten Delivery Center Eastern Europe SRL | Unclassified | IPv4 | 120 |
| AS28763 | Nobel Group Limited | Unclassified | IPv4 | 118 |
| AS33925 | Global Internet Solutions SRL | Unclassified | IPv4 | 118 |
| AS47388 | Dante International SA | Unclassified | IPv4 | 116 |
| AS9176 | TOP EDGE ENGINEERING S.R.L. | Unclassified | IPv4 | 114 |
| AS62315 | NN Lease SRL | Unclassified | IPv4 | 110 |
| AS58175 | AD Auto Total SRL | Unclassified | IPv4 | 105 |
| AS61050 | Innova Engineering SRL | Unclassified | IPv4 IPv6 | 95 |
| AS209537 | Vying Technologies OU | Hosting | IPv4 IPv6 | 93 |
| AS41486 | Depozitarul Central SA | Unclassified | IPv4 | 70 |
| AS216462 | GLOBALTRUST SRL | Unclassified | IPv4 | 61 |
| AS51398 | CONCEPT ELECTRONICS SRL | Unclassified | IPv4 | 61 |
| AS42294 | PORSCHE LEASING ROMANIA IFN S.A. | Unclassified | IPv4 | 60 |
| AS47075 | TCN, Inc. | Unclassified | IPv4 | 60 |
| AS35725 | Vodafone Romania S.A. | Unclassified | IPv4 | 60 |
| AS60125 | Euroins Romania Asigurare Reasigurare SA | Unclassified | IPv4 | 60 |
| AS49256 | INDUSTRIA MUNDUM S.R.L. | Unclassified | IPv4 | 60 |
| AS56502 | INTERSNACK ROMANIA SRL | Unclassified | IPv4 | 60 |
| AS47424 | ROPECO BUCURESTI SRL | Unclassified | IPv4 | 60 |
| AS50659 | Honeywell Romania S.R.L. | Unclassified | IPv4 | 60 |
| AS20877 | GTS Telecom SRL | Unclassified | IPv4 | 60 |
| AS62127 | Elgeka-Ferfelis Romania SA | Unclassified | IPv4 | 60 |
| AS58153 | GTS Telecom SRL | Unclassified | IPv4 | 60 |
| AS211857 | NSHOST SRL | Unclassified | IPv4 | 60 |
| AS50080 | SIBS ROMANIA S.A. | Unclassified | IPv4 | 60 |
| AS44830 | Porsche Romania SRL | Unclassified | IPv4 | 60 |
| AS56585 | NEW KOPEL ROMANIA S.R.L. | Unclassified | IPv4 | 60 |
| AS57938 | NETOP TECH SRL | Unclassified | IPv4 | 60 |
| AS51322 | Astory Technology S.A. | Unclassified | IPv4 | 60 |
| AS20606 | GTS Telecom SRL | Unclassified | IPv4 | 60 |
| AS62285 | Canal+ Luxembourg Sarl | Unclassified | IPv4 | 59 |
| AS43807 | CEC BANK S.A. | Unclassified | IPv4 | 58 |
| AS47848 | NEXENT BANK N.V. | Unclassified | IPv4 | 58 |
| AS51108 | Network One Distribution SRL | Unclassified | IPv4 | 57 |
| AS12442 | PRO TV S.A. | Unclassified | IPv4 | 57 |
| AS49074 | SC TECHNOLOGICAL SRL | Unclassified | IPv4 | 57 |
| AS60090 | FAN Courier Express SRL | Unclassified | IPv4 | 55 |
| AS48114 | SOCIETATEA CIVILA DE AVOCATI NESTOR NESTOR DICULESCU KINGSTON PETERSEN | Unclassified | IPv4 | 55 |
| AS201805 | SYKES ENTERPRISES EASTERN EUROPE SRL | Unclassified | IPv4 | 55 |
| AS21433 | Accenture UK Limited | Unclassified | IPv4 | 54 |
| AS5091 | Stripe, Inc. | Unclassified | IPv4 | 49 |
| AS61243 | ABC Plus Media S.A. | Unclassified | IPv4 | 40 |
| AS395266 | Keysight Technologies, Inc | Unclassified | IPv6 | 34 |
| AS35436 | Tradeville SA | Unclassified | IPv4 | 27 |
| AS211313 | Safetech Innovations SA | Unclassified | IPv4 | 26 |
| AS44867 | AGENTIA NATIONALA DE PRESA AGERPRES | Unclassified | IPv4 | 25 |
| AS6718 | NAV COMMUNICATIONS SRL | Hosting | IPv4 IPv6 | 24 |
| AS41971 | RALFI IFN SA | Unclassified | IPv4 | 23 |
| AS210878 | Treadstone Business Development S.R.L. | Unclassified | IPv4 | 20 |
| AS60104 | SC Biroul de Credit S.A. | Unclassified | IPv4 | 20 |
| AS42073 | DIGISIGN SA | Unclassified | IPv4 | 18 |
| AS213264 | PROSOFT++ SRL | Unclassified | IPv4 | 18 |
| AS21317 | Everymatrix SRL | Unclassified | IPv4 | 16 |
| AS33821 | Bursa de Valori Bucuresti SA | Unclassified | IPv4 | 15 |
| AS202779 | EVOBITS Information Technology SRL | Unclassified | IPv4 | 15 |
| AS59401 | Fondul de Garantare a Depozitelor in Sistemul Bancar | Unclassified | IPv4 | 15 |
| AS60657 | Capital Financial Services SA | Unclassified | IPv4 | 7 |
| AS35351 | Viva Credit IFN SA | Unclassified | IPv4 | 4 |
| AS56499 | BNP PARIBAS PERSONAL FINANCE S.A. trading as BNP PARIBAS PERSONAL FINANCE S.A. PARIS SUCURSALA BUCURESTI | Unclassified | IPv4 | 4 |
| AS50991 | CARGUS SRL | Unclassified | IPv4 | 4 |
Adjacency
Adjacent networks
Every AS seen directly next to AS5606 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 3,393 |
| AS44043 | Cyber_Folks SRL | Unclassified | IPv4 | 3,179 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 3,094 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 2,469 |
| AS34358 | Cyber_Folks SRL | Hosting | IPv4 | 2,435 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 IPv6 | 2,388 |
| AS203053 | CLAUS WEB srl | Unclassified | IPv4 | 1,740 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 1,345 |
| AS34549 | meerfarbig GmbH & Co. KG | Hosting | IPv4 IPv6 | 1,241 |
| AS50673 | Serverius Holding B.V. | Unclassified | IPv4 IPv6 | 785 |
| AS6762 | TELECOM ITALIA SPARKLE S.p.A. | Transit | IPv4 IPv6 | 746 |
| AS8708 | DIGI ROMANIA S.A. | Mobile | IPv4 IPv6 | 621 |
| AS43927 | HOSTERION SRL | Unclassified | IPv4 IPv6 | 514 |
| AS50084 | S.A."Rapid Link" S.R.L. | Residential | IPv4 IPv6 | 456 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 452 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 IPv6 | 440 |
| AS15935 | ha-vel internet s.r.o. | Unclassified | IPv4 IPv6 | 433 |
| AS3333 | Reseaux IP Europeens Network Coordination Centre (RIPE NCC) | Unclassified | IPv4 IPv6 | 403 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 402 |
| AS49074 | SC TECHNOLOGICAL SRL | Unclassified | IPv4 | 399 |
| AS48362 | Stadtwerke Feldkirch | Residential | IPv4 IPv6 | 391 |
| AS12552 | GlobalConnect AB | Unclassified | IPv4 | 390 |
| AS20766 | Association "Gitoyen" | Unclassified | IPv4 | 384 |
| AS57463 | NetIX Communications JSC | Unclassified | IPv4 | 382 |
| AS50300 | CustodianDC Limited | Unclassified | IPv4 IPv6 | 377 |
| AS20485 | Joint Stock Company TransTeleCom | Unclassified | IPv4 | 371 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 IPv6 | 367 |
| AS12779 | IT.Gate S.p.A. | Unclassified | IPv4 | 360 |
| AS34927 | iFog GmbH | Hosting | IPv4 | 360 |
| AS211611 | Exim Host SRL | Unclassified | IPv4 | 357 |
| AS293 | ESnet | Unclassified | IPv4 | 348 |
| AS1836 | green.ch AG | Residential | IPv4 IPv6 | 326 |
| AS212024 | Marc Schmitt | Unclassified | IPv4 IPv6 | 316 |
| AS41028 | CobraTELECOM SRL | Residential | IPv4 | 293 |
| AS212192 | INTELI TECH DEVELOPMENT SRL | Unclassified | IPv4 | 268 |
| AS212221 | INTERNET BROKER SRL | Hosting | IPv4 | 266 |
| AS58247 | SC NETVEILLANCE SRL | Unclassified | IPv4 | 264 |
| AS9064 | Internet City Doi SA | Unclassified | IPv4 | 193 |
| AS33839 | ALTAIR NET SRL | Unclassified | IPv4 | 174 |
| AS211701 | BUSINESS SOFTWARE DEVELOPMENT SRL | Unclassified | IPv4 | 174 |
| AS60509 | S 800 Customer Service Provider SRL | Unclassified | IPv4 | 171 |
| AS33925 | Global Internet Solutions SRL | Unclassified | IPv4 | 152 |
| AS201387 | Luxoft Professional Romania S.R.L. | Unclassified | IPv4 | 151 |
| AS44418 | Bitdefender SRL | Unclassified | IPv4 IPv6 | 133 |
| AS39312 | Luxoft Professional Romania S.R.L. | Unclassified | IPv4 IPv6 | 126 |
| AS19197 | Stefanini, Inc. | Unclassified | IPv4 | 124 |
| AS34283 | Alten Delivery Center Eastern Europe SRL | Unclassified | IPv4 | 120 |
| AS57646 | Alef Distribution RO SA | Unclassified | IPv4 | 120 |
| AS28763 | Nobel Group Limited | Unclassified | IPv4 | 118 |
| AS47388 | Dante International SA | Unclassified | IPv4 | 116 |
| AS9176 | TOP EDGE ENGINEERING S.R.L. | Unclassified | IPv4 | 114 |
| AS62315 | NN Lease SRL | Unclassified | IPv4 | 110 |
| AS58175 | AD Auto Total SRL | Unclassified | IPv4 | 105 |
| AS61050 | Innova Engineering SRL | Unclassified | IPv4 IPv6 | 95 |
| AS209537 | Vying Technologies OU | Hosting | IPv4 IPv6 | 93 |
| AS41486 | Depozitarul Central SA | Unclassified | IPv4 | 70 |
| AS216462 | GLOBALTRUST SRL | Unclassified | IPv4 | 61 |
| AS51398 | CONCEPT ELECTRONICS SRL | Unclassified | IPv4 | 61 |
| AS211857 | NSHOST SRL | Unclassified | IPv4 | 60 |
| AS47075 | TCN, Inc. | Unclassified | IPv4 | 60 |
| AS35725 | Vodafone Romania S.A. | Unclassified | IPv4 | 60 |
| AS60125 | Euroins Romania Asigurare Reasigurare SA | Unclassified | IPv4 | 60 |
| AS49256 | INDUSTRIA MUNDUM S.R.L. | Unclassified | IPv4 | 60 |
| AS56502 | INTERSNACK ROMANIA SRL | Unclassified | IPv4 | 60 |
| AS47424 | ROPECO BUCURESTI SRL | Unclassified | IPv4 | 60 |
| AS50659 | Honeywell Romania S.R.L. | Unclassified | IPv4 | 60 |
| AS20877 | GTS Telecom SRL | Unclassified | IPv4 | 60 |
| AS62127 | Elgeka-Ferfelis Romania SA | Unclassified | IPv4 | 60 |
| AS58153 | GTS Telecom SRL | Unclassified | IPv4 | 60 |
| AS50080 | SIBS ROMANIA S.A. | Unclassified | IPv4 | 60 |
| AS42294 | PORSCHE LEASING ROMANIA IFN S.A. | Unclassified | IPv4 | 60 |
| AS44830 | Porsche Romania SRL | Unclassified | IPv4 | 60 |
| AS56585 | NEW KOPEL ROMANIA S.R.L. | Unclassified | IPv4 | 60 |
| AS57938 | NETOP TECH SRL | Unclassified | IPv4 | 60 |
| AS51322 | Astory Technology S.A. | Unclassified | IPv4 | 60 |
| AS20606 | GTS Telecom SRL | Unclassified | IPv4 | 60 |
| AS62285 | Canal+ Luxembourg Sarl | Unclassified | IPv4 | 59 |
| AS39279 | Information Technology and Cyber Security Service | Unclassified | IPv4 | 59 |
| AS43807 | CEC BANK S.A. | Unclassified | IPv4 | 58 |
| AS47848 | NEXENT BANK N.V. | Unclassified | IPv4 | 58 |
| AS12442 | PRO TV S.A. | Unclassified | IPv4 | 57 |
| AS51108 | Network One Distribution SRL | Unclassified | IPv4 | 57 |
| AS201805 | SYKES ENTERPRISES EASTERN EUROPE SRL | Unclassified | IPv4 | 55 |
| AS48114 | SOCIETATEA CIVILA DE AVOCATI NESTOR NESTOR DICULESCU KINGSTON PETERSEN | Unclassified | IPv4 | 55 |
| AS60090 | FAN Courier Express SRL | Unclassified | IPv4 | 55 |
| AS21433 | Accenture UK Limited | Unclassified | IPv4 | 54 |
| AS5091 | Stripe, Inc. | Unclassified | IPv4 | 49 |
| AS61243 | ABC Plus Media S.A. | Unclassified | IPv4 | 40 |
| AS56655 | Gigahost AS | Unclassified | IPv4 | 36 |
| AS395266 | Keysight Technologies, Inc | Unclassified | IPv6 | 34 |
| AS6718 | NAV COMMUNICATIONS SRL | Hosting | IPv4 IPv6 | 31 |
| AS35436 | Tradeville SA | Unclassified | IPv4 | 27 |
| AS211313 | Safetech Innovations SA | Unclassified | IPv4 | 26 |
| AS44867 | AGENTIA NATIONALA DE PRESA AGERPRES | Unclassified | IPv4 | 25 |
| AS41971 | RALFI IFN SA | Unclassified | IPv4 | 23 |
| AS210878 | Treadstone Business Development S.R.L. | Unclassified | IPv4 | 20 |
| AS60104 | SC Biroul de Credit S.A. | Unclassified | IPv4 | 20 |
| AS34019 | Hivane Association | Unclassified | IPv4 IPv6 | 20 |
| AS42073 | DIGISIGN SA | Unclassified | IPv4 | 18 |
| AS213264 | PROSOFT++ SRL | Unclassified | IPv4 | 18 |
| AS29632 | Netassist International EOOD | Unclassified | IPv6 | 17 |
| AS21317 | Everymatrix SRL | Unclassified | IPv4 | 16 |
| AS59401 | Fondul de Garantare a Depozitelor in Sistemul Bancar | Unclassified | IPv4 | 15 |
| AS33821 | Bursa de Valori Bucuresti SA | Unclassified | IPv4 | 15 |
| AS202779 | EVOBITS Information Technology SRL | Unclassified | IPv4 | 15 |
| AS1103 | SURF B.V. | Unclassified | IPv4 IPv6 | 13 |
| AS17639 | Converge ICT Solutions Inc. | Unclassified | IPv4 IPv6 | 13 |
| AS213241 | TECHIT.BE SRL | Residential | IPv6 | 10 |
| AS56662 | Marcin Gondek | Unclassified | IPv6 | 9 |
| AS9002 | RETN Limited | Unclassified | IPv6 | 9 |
| AS31543 | myNet GmbH | Residential | IPv4 IPv6 | 8 |
| AS60657 | Capital Financial Services SA | Unclassified | IPv4 | 7 |
| AS33891 | Core-Backbone GmbH | Hosting | IPv4 | 4 |
| AS50991 | CARGUS SRL | Unclassified | IPv4 | 4 |
| AS56499 | BNP PARIBAS PERSONAL FINANCE S.A. trading as BNP PARIBAS PERSONAL FINANCE S.A. PARIS SUCURSALA BUCURESTI | Unclassified | IPv4 | 4 |
| AS35351 | Viva Credit IFN SA | Unclassified | IPv4 | 4 |
| AS3216 | PJSC "Vimpelcom" | Mobile | IPv4 | 3 |
| AS61049 | Exascale Ltd | Residential | IPv4 | 2 |
| AS8218 | Zayo Infrastructure France SA | Unclassified | IPv4 | 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 AS5606, 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 3 exchanges across 3 countries and 1 region.
| Exchange | Location | Their address | Member ports |
|---|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.195.46 | 1,073 |
| AMS-IX Amsterdam | Amsterdam, Netherlands | 80.249.214.164 | 894 |
| Vienna Internet Exchange | Vienna, Austria | 193.203.0.244 | 188 |
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.