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Autonomous System

AS34872 · Sarah Rossius trading as Servperso Systems

Overview

AS34872 is announced on the Internet: RIPE RIS route collectors currently see 10 IPv4 prefixes and 9 IPv6 prefixes originated by this network. Together, its IPv4 prefixes cover 2,304 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 67 upstream neighbours (transit providers or peers) and 211 downstream neighbours (customers or networks it carries). Its most visible upstreams are WIIT AG (AS24961), Hurricane Electric LLC (AS6939), and xTom GmbH (AS3214). AS34872 was assigned by RIPE NCC, and its registration country is Belgium.

Source: RIPEstat (RIPE NCC), RIS route collectors. Read on October 16, 2026 at 11:52 PM UTC. This page is refreshed at most every 12 hours.

Go further

The trace goes to 194.28.98.1, the first address of 194.28.98.0/23. 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 (10 prefixes)

PrefixAddresses
45.154.99.0/24256
62.3.50.0/24256
93.174.104.0/24256
93.174.106.0/24256
93.174.108.0/24256
193.22.130.0/24256
194.28.96.0/24256
194.28.98.0/23512
194.28.98.0/24256
194.28.99.0/24256

IPv6 prefixes (9 prefixes)

Prefix
2a0c:b640::/32
2a0c:b640:8::/47
2a0c:b640:10::/45
2a0c:b641:4::/48
2a0c:b641:6::/48
2a0c:b641:10::/48
2a0c:b641:50::/44
2a0c:b641:6d0::/44
2a0c:b641:730::/48

Neighbours

Upstreams (transit or peers) (67)

ASNetworkVisibility
AS24961WIIT AG121,657
AS6939Hurricane Electric LLC40,703
AS3214xTom GmbH14,231
AS601443W Infra B.V.10,273
AS50673Serverius Holding B.V.2,588
AS14840BR.Digital Telecom1,183
AS35133Eranium B.V.1,071
AS31500Global Network Management Inc977
AS25091IP-Max SA353
AS263444Open X Tecnologia Ltda310
AS58057-297
AS34927iFog GmbH280
AS5405Inter.link GmbH215
AS8218Zayo Infrastructure France SA182
AS8298IPng Networks GmbH177
AS401753BIXCE Inc174
AS29632Netassist International EOOD170
AS6797GlobalConnect AB140
AS48646SDRmedia Verwaltungs GmbH134
AS41327Fiber Telecom S.p.A.133
AS34019Hivane Association124
AS48362Stadtwerke Feldkirch87
AS4230CLARO S.A.72
AS35625Eurofiber France SAS72
AS3935131173 Services AB71
AS20485Joint Stock Company TransTeleCom69
AS12859-62
AS50304Blix Solutions AS56
AS34549meerfarbig GmbH & Co. KG51
AS22356Durand do Brasil Ltda47

The 30 most visible of 67.

Downstreams (customers) (211)

ASNetworkVisibility
AS209898ungleich glarus ag1,774
AS24961WIIT AG1,224
AS401753BIXCE Inc856
AS214865Falco Nordmann601
AS208674Association TekitUp576
AS215080Jana Amelie Steuernagel575
AS203618UB330.net d.o.o.550
AS59813Konstantin Verba508
AS60391Papa-Razzi Media Group A.s.b.l.507
AS198585LuraHosting LuraHosting Datacenter LTDA503
AS201422-446
AS218543-440
AS196943-438
AS210235-434
AS50937-433
AS213342-433
AS203226-430
AS30077-429
AS401746-428
AS49689-427
AS203772-426
AS29229-424
AS208994derPascal Pascal Liehne415
AS43272-414
AS219363-413
AS218606-409
AS204268-405
AS214646-405
AS209018-395
AS204934-390

The 30 most visible of 211.

439 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.