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Autonomous System

AS214757 · Jakub Krsa

Overview

AS214757 is announced on the Internet: RIPE RIS route collectors currently see 1 IPv4 prefix and 14 IPv6 prefixes originated by this network. Together, its IPv4 prefixes cover 256 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 74 upstream neighbours (transit providers or peers) and 28 downstream neighbours (customers or networks it carries). Its most visible upstreams are NetIX NetIX Communications JSC (AS57463), Hurricane Electric LLC (AS6939), and Asimo Networks B.V. (AS49127). AS214757 was assigned by RIPE NCC, and its registration country is Czechia.

Source: RIPEstat (RIPE NCC), RIS route collectors. Read on October 17, 2026 at 3:11 AM UTC. This page is refreshed at most every 12 hours.

Go further

The trace goes to 169.128.49.1, the first address of 169.128.49.0/24. An address picked inside a prefix may not answer (nothing listens there, or the network filters probes): the trace then shows the path up to the last network that replies.

Announced prefixes

IPv4 prefixes (1 prefix)

PrefixAddresses
169.128.49.0/24256

IPv6 prefixes (14 prefixes)

Prefix
2a05:dfc3:f800::/44
2a0a:6044:a1e0::/48
2a14:6f44:1000::/44
2a14:6f44:1010::/44
2a14:6f44:1020::/44
2a14:6f44:1030::/44
2a14:6f44:1101::/48
2a14:6f44:1102::/48
2a14:6f44:1103::/48
2a14:6f44:1104::/48
2a14:6f44:1105::/48
2a14:6f44:1106::/48
2a14:6f44:1107::/48
2a14:6f45:b00b::/48

Neighbours

Upstreams (transit or peers) (74)

ASNetworkVisibility
AS57463NetIX NetIX Communications JSC1,495
AS6939Hurricane Electric LLC1,440
AS49127Asimo Networks B.V.1,388
AS213622Falcon FZE LLC622
AS50917Diederik Focko de Zee511
AS34927iFog GmbH334
AS214762Sebastian Stefanek trading as MatHost.eu280
AS6204INTERKVM HOST SRL252
AS60068Datacamp Limited252
AS34854Maria Merkel trading as Blahaj Studio247
AS137409GSL Networks Pty LTD246
AS50263A-Systems Sp. z o.o.128
AS9198JSC Kazakhtelecom70
AS34019Hivane Association69
AS50673Serverius Holding B.V.67
AS3214xTom GmbH56
AS48646SDRmedia Verwaltungs GmbH47
AS14840BR.Digital Telecom41
AS34549meerfarbig GmbH & Co. KG40
AS8298IPng Networks GmbH38
AS209022Tschajera Limited38
AS3935131173 Services AB37
AS29075IELO-LIAZO SERVICES SAS34
AS8218Zayo Infrastructure France SA29
AS401753-26
AS1103SURF B.V.25
AS20485Joint Stock Company TransTeleCom25
AS25091IP-Max SA25
AS49434FBW NETWORKS SAS25
AS215596-23

The 30 most visible of 74.

Downstreams (customers) (28)

ASNetworkVisibility
AS205941Lungu Stefan Gabriel1,371
AS214762Sebastian Stefanek trading as MatHost.eu1,019
AS60900SsmidgeTechnologies Adrian Trifonov trading as Ssmidge Technologies282
AS205126Leo Francois Jean-Baptiste Godard263
AS214818William Wilson263
AS212085Alexander Bruegmann262
AS212470LaptopCat Oleksandr Kurinnyi262
AS18636ONDRYA LLC261
AS199518Gregory Shapiro259
AS201398Guwin Universal Services LLC255
AS209552-218
AS208471-214
AS59449-190
AS219331FreePKT Thomas BOUZIN188
AS214205Cristian Tudor Marcus157
AS204871-124
AS199183-121
AS219251-121
AS210578-115
AS211008-100
AS214161-91
AS203062-70
AS207445-66
AS208733-50
AS213576-50
AS214508-49
AS211715-46
AS213409-28

97 more neighbours appear on both sides of this network depending on the path, so they are counted in neither list.

Visibility is RIPEstat's count of how often the route collectors observed the link. It compares neighbours with each other; it is not a traffic volume.

How to read this page

An Autonomous System (AS) is a network run under one routing policy: an internet provider, a cloud, a content network, a university. Each one has a number, its ASN, assigned by a regional registry (ARIN, RIPE NCC, APNIC, LACNIC, AFRINIC), and uses BGP, the protocol networks use to tell each other where addresses are, to announce the blocks of addresses it delivers to.

A prefix such as 203.0.113.0/24 is a block of addresses: the number after the slash says how many bits are fixed, so a /24 holds 256 IPv4 addresses and a /16 holds 65,536. Networks often announce a large block and smaller pieces of it at the same time, which is why the address total counts each address once.

Neighbours come from the paths themselves. A network that appears just before this one in a path, on the collector's side, is an upstream: a transit provider or a peer. One that appears just after it is a downstream, usually a customer. Peering at an internet exchange also shows up as an upstream, so the upstream list is not a list of paid transit.

The data comes from RIPEstat, run by the RIPE NCC, which gathers the routing tables of hundreds of networks through its RIS route collectors. This page reads it when it is visited and keeps it for 12 hours at most; the BGP viewer reads it live.

Frequently asked questions

How do I find the ASN of an IP address?
Type the address in the BGP viewer: it shows the prefix that covers it, the AS that originates that prefix and the paths seen towards it. A traceroute also names the network of each hop, so you can see every AS a connection crosses.
Why does one company have several ASNs?
Large operators split their network by region, by activity or by history: a cloud may use one number for its backbone and another for a region, and every acquisition brings its own numbers. Each number has its own page, with its own prefixes and neighbours.
Why do prefix counts differ from one site to another?
Each source sees the routing table from different collectors, at a different time, and counts differently: some include prefixes withdrawn in recent weeks, some merge a block and its pieces. This page counts the prefixes RIPE RIS collectors see originated by the network at the end of the latest two-week window, and counts each IPv4 address once.
Is this the list of IP ranges of a cloud provider?
It is what its networks announce, which is what the Internet routes to them. Many providers also publish an official list of ranges per service and region; that list is the reference for firewall rules, because a range can be announced before it is used, or announced by another of their AS numbers.