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Autonomous System

AS12963 · "SCIENTIFIC-INDUSTRIAL FIRM "VOLZ" LIMITED LIABILITY COMPANY

Overview

AS12963 is announced on the Internet: RIPE RIS route collectors currently see 40 IPv4 prefixes and 1 IPv6 prefix originated by this network. Together, its IPv4 prefixes cover 31,232 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 58 upstream neighbours (transit providers or peers) and 79 downstream neighbours (customers or networks it carries). Its most visible upstreams are Dataline LLC (AS35297), A-Systems Sp. z o.o. (AS50263), and GTT Communications Inc. (AS3257). AS12963 was assigned by RIPE NCC, and its registration country is Ukraine.

Source: RIPEstat (RIPE NCC), RIS route collectors. Read on October 17, 2026 at 7:05 AM UTC. This page is refreshed at most every 12 hours.

Go further

The trace goes to 194.183.160.1, the first address of 194.183.160.0/19. 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 (40 prefixes)

PrefixAddresses
91.197.168.0/221,024
91.218.72.0/24256
91.218.73.0/24256
91.218.74.0/24256
91.218.75.0/24256
94.232.209.0/24256
94.232.210.0/24256
94.232.211.0/24256
94.232.212.0/24256
94.232.213.0/24256
94.232.214.0/24256
94.232.215.0/24256
94.247.224.0/212,048
176.97.0.0/212,048
176.100.0.0/24256
176.100.1.0/24256
176.100.2.0/24256
176.100.3.0/24256
176.100.4.0/24256
176.100.5.0/24256
176.100.6.0/24256
176.100.8.0/24256
176.100.9.0/24256
176.100.10.0/24256
176.100.11.0/24256
176.100.12.0/24256
176.100.13.0/24256
176.100.14.0/24256
176.100.15.0/24256
176.100.18.0/24256
176.100.19.0/24256
176.100.20.0/24256
176.100.22.0/24256
176.100.27.0/24256
176.100.29.0/24256
176.100.30.0/24256
176.100.31.0/24256
185.192.216.0/221,024
194.183.160.0/198,192
213.160.128.0/198,192

IPv6 prefixes (1 prefix)

Prefix
2a00:9880::/32

Neighbours

Upstreams (transit or peers) (58)

ASNetworkVisibility
AS35297Dataline LLC8,859
AS50263A-Systems Sp. z o.o.1,982
AS3257GTT Communications Inc.1,723
AS9002RETN Limited1,619
AS12741Netia SA1,333
AS174Cogent Communications, LLC540
AS34019Hivane Association200
AS20485Joint Stock Company TransTeleCom193
AS34927iFog GmbH148
AS34549meerfarbig GmbH & Co. KG147
AS4230CLARO S.A.144
AS34177-141
AS25091IP-Max SA137
AS3935131173 Services AB134
AS3303Swisscom (Schweiz) AG115
AS24961WIIT AG103
AS29075IELO-LIAZO SERVICES SAS96
AS35280F5 Networks SARL94
AS49434FBW NETWORKS SAS88
AS5405Inter.link GmbH86
AS3356Level 3 Parent, LLC83
AS8298IPng Networks GmbH82
AS14840BR.Digital Telecom78
AS29691Nine Internet Solutions AG75
AS12779IT.Gate S.p.A.74
AS35625Eurofiber France SAS72
AS4455IX Reach Ltd71
AS212024-71
AS12577-70
AS8218-69

The 30 most visible of 58.

Downstreams (customers) (79)

ASNetworkVisibility
AS29382LIMITED LIABILITY COMPANY "UKRAINIAN INFOSYSTEMS"1,030
AS3254Lucky Net Ltd838
AS57422Pautina.Net LLC596
AS24681Sumix Ukraine LLC482
AS211967INFOSYSTEMS Ltd.482
AS34190Microcom Ltd.464
AS209912IC ARX INSURANCE PJSC427
AS215065LLC "La Farina"342
AS44352I.T.T. Tehnologiya LLC329
AS44526DOM TELECOM LLC328
AS12986-323
AS207577-311
AS31091-310
AS29130-300
AS35524-300
AS208971-300
AS210721-300
AS197512-299
AS199431-299
AS41328-298
AS49622-298
AS62066-298
AS200049-298
AS202750-298
AS209225-298
AS12548-297
AS41583-297
AS199313-297
AS209977-297
AS47900-296

The 30 most visible of 79.

122 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.