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Autonomous System

AS50917 · Diederik Focko de Zee

Overview

AS50917 is announced on the Internet: RIPE RIS route collectors currently see 3 IPv4 prefixes and 1 IPv6 prefix originated by this network. Together, its IPv4 prefixes cover 768 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 29 upstream neighbours (transit providers or peers) and 25 downstream neighbours (customers or networks it carries). Its most visible upstreams are Hurricane Electric LLC (AS6939), ARISTO NETWORKS LTD (AS216265), and We Dare B.V. (AS20495). AS50917 was assigned by RIPE NCC, and its registration country is Netherlands.

Source: RIPEstat (RIPE NCC), RIS route collectors. Read on October 17, 2026 at 12:05 AM UTC. This page is refreshed at most every 12 hours.

Go further

Trace a route to this networkOpen in the BGP viewerWHOIS of 45.152.39.1

The trace goes to 45.152.39.1, the first address of 45.152.39.0/24. 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 (3 prefixes)

PrefixAddresses
45.152.39.0/24256
89.37.98.0/24256
103.141.12.0/24256

IPv6 prefixes (1 prefix)

Prefix
2001:678:7ec::/48

Neighbours

Upstreams (transit or peers) (29)

ASNetworkVisibility
AS6939Hurricane Electric LLC3,781
AS216265ARISTO NETWORKS LTD3,066
AS20495We Dare B.V.2,275
AS174Cogent Communications, LLC1,684
AS9002RETN Limited1,192
AS213753interedge InterEdge B.V.790
AS16276OVH SAS267
AS35133Eranium B.V.199
AS50304Blix Solutions AS86
AS20764CJSC RASCOM63
AS5405Inter.link GmbH48
AS3935131173 Services AB46
AS50629LWLcom GmbH43
AS25091IP-Max SA38
AS24961-37
AS1103SURF B.V.35
AS34019Hivane Association33
AS12859BIT BV27
AS29075IELO-LIAZO SERVICES SAS21
AS8298IPng Networks GmbH20
AS6663Euroweb Romania S.R.L.19
AS41327Fiber Telecom S.p.A.17
AS6204INTERKVM HOST SRL14
AS56655Gigahost AS13
AS49127-12
AS20326TeraSwitch Networks Inc.10
AS56911Warian S.R.L.4
AS3214xTom GmbH2
AS62000SERVERD SAS2

Downstreams (customers) (25)

ASNetworkVisibility
AS216078Liam Kremer2,676
AS214481Wojciech Czapkowicz2,043
AS208258Access2IT Access2.IT Group B.V.1,157
AS215296Raoul Brouns is trading as LowPing NL954
AS27523Kawaii Networks LLC687
AS214809Stocade Jere Kiitola trading as Stocade668
AS214677DeluxHost Matteo Martelloni trading as DELUXHOST570
AS209094Technoberg Beheer B.V.522
AS200566ANARCHY LAB S.R.L.515
AS214757Jakub Krsa511
AS215318-492
AS14054-388
AS214371-296
AS219180-275
AS213619-270
AS210645-203
AS201949-202
AS212591-199
AS44733-193
AS198055-160
AS60431PNO Solutions Limited158
AS215685Nexus Maik Sussdorf124
AS216333-46
AS21478-22
AS215370-20

12 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.