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Autonomous System

AS35625 · Eurofiber France SAS

Overview

AS35625 is announced on the Internet: RIPE RIS route collectors currently see 44 IPv4 prefixes and 11 IPv6 prefixes originated by this network. Together, its IPv4 prefixes cover 33,280 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 74 upstream neighbours (transit providers or peers) and 874 downstream neighbours (customers or networks it carries). Its most visible upstreams are CLEMENT CAVADORE (AS44097), Hivane Association (AS34019), and Level 3 Parent, LLC (AS3356). AS35625 was assigned by RIPE NCC, and its registration country is France.

Source: RIPEstat (RIPE NCC), RIS route collectors. Read on October 16, 2026 at 9:49 PM UTC. This page is refreshed at most every 12 hours.

Go further

The trace goes to 37.235.88.1, the first address of 37.235.88.0/21. 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 (44 prefixes)

PrefixAddresses
37.16.78.0/24256
37.235.88.0/212,048
45.15.204.0/221,024
45.86.205.0/24256
45.138.192.0/221,024
45.145.112.0/221,024
46.29.120.0/212,048
46.29.124.0/24256
85.208.216.0/221,024
89.21.88.0/212,048
91.212.236.0/24256
91.229.136.0/24256
94.158.180.0/221,024
95.170.4.0/24256
109.197.240.0/212,048
185.26.104.0/221,024
185.31.148.0/221,024
185.39.168.0/221,024
185.71.148.0/221,024
185.75.140.0/221,024
185.117.18.0/24256
185.117.19.0/24256
185.140.220.0/24256
185.161.44.0/221,024
185.167.76.0/24256
185.181.4.0/221,024
185.218.212.0/221,024
185.227.0.0/23512
185.227.2.0/23512
185.235.4.0/221,024
185.246.26.0/24256
185.246.96.0/23512
185.246.98.0/23512
185.247.86.0/23512
185.252.156.0/221,024
193.35.208.0/24256
194.5.72.0/24256
194.88.112.0/212,048
194.126.178.0/24256
195.90.116.0/221,024
195.90.117.0/24256
195.95.168.0/24256
195.190.27.0/24256
217.18.221.0/24256

IPv6 prefixes (11 prefixes)

Prefix
2a00:ba60::/32
2a00:ba61::/32
2a00:ba62::/32
2a00:ba67::/32
2a01:6600:2e00::/40
2a01:6603::/32
2a01:6604::/32
2a01:6605::/32
2a02:21c8::/32
2a04:3740::/29
2a09:8c40::/29

Neighbours

Upstreams (transit or peers) (74)

ASNetworkVisibility
AS44097CLEMENT CAVADORE76,347
AS34019Hivane Association30,851
AS3356Level 3 Parent, LLC2,309
AS39686Eurofiber Nederland BV2,058
AS3257GTT Communications Inc.1,842
AS6939Hurricane Electric LLC1,145
AS5511Opentransit Orange S.A.418
AS13030Init7 (Switzerland) Ltd.372
AS55002F5, Inc.262
AS34549meerfarbig GmbH & Co. KG209
AS34927iFog GmbH143
AS48362Stadtwerke Feldkirch138
AS25091IP-Max SA134
AS6461Zayo Bandwidth133
AS24961WIIT AG124
AS29691Nine Internet Solutions AG118
AS14840BR.Digital Telecom107
AS34177Celeste SAS102
AS20485Joint Stock Company TransTeleCom98
AS5405Inter.link GmbH96
AS47147Anexia Cloud Solutions GmbH96
AS8758Iway AG95
AS20764CJSC RASCOM95
AS8218Zayo Infrastructure France SA94
AS12779IT.Gate S.p.A.85
AS9002RETN Limited80
AS3935131173 Services AB80
AS41327Fiber Telecom S.p.A.79
AS61049Exascale Ltd74
AS4230CLARO S.A.72

The 30 most visible of 74.

Downstreams (customers) (874)

ASNetworkVisibility
AS3356Level 3 Parent, LLC69,895
AS3257GTT Communications Inc.28,993
AS5511Opentransit Orange S.A.15,347
AS6461Zayo Bandwidth14,797
AS39686Eurofiber Nederland BV6,918
AS7195EDGEUNO S.A.S5,550
AS9498BHARTI Airtel Ltd.3,993
AS8220COLT Technology Services Group Limited2,980
AS14840BR.Digital Telecom2,919
AS4230CLARO S.A.2,417
AS33891Core-Backbone GmbH1,546
AS20485Joint Stock Company TransTeleCom1,495
AS7049Silica Networks Argentina S.A.1,021
AS31133PJSC MegaFon945
AS9318SK Broadband Co Ltd892
AS37100SEACOM Limited861
AS20764CJSC RASCOM859
AS57304JSC "RetnNet"825
AS64049Reliance Jio Infocomm Pte Ltd Singapore795
AS28283-769
AS2027MilkyWan MilkyWan Association648
AS18403FPT Telecom Company635
AS29049Delta Telecom Ltd604
AS210879-596
AS205149-573
AS200780-549
AS205761-530
AS9050Orange Romania S.A.521
AS12741Netia SA504
AS20473The Constant Company, LLC451

The 30 most visible of 874.

119 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.