Skip to content

Autonomous System

AS8422 · NetCologne Gesellschaft fur Telekommunikation mbH

Overview

AS8422 is announced on the Internet: RIPE RIS route collectors currently see 38 IPv4 prefixes and 13 IPv6 prefixes originated by this network. Together, its IPv4 prefixes cover 572,416 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 78 upstream neighbours (transit providers or peers) and 35 downstream neighbours (customers or networks it carries). Its most visible upstreams are Hurricane Electric LLC (AS6939), RETN Limited (AS9002), and Arelion Sweden AB (AS1299). AS8422 was assigned by RIPE NCC, and its registration country is Germany.

Source: RIPEstat (RIPE NCC), RIS route collectors. Read on October 16, 2026 at 8:54 PM UTC. This page is refreshed at most every 12 hours.

Go further

The trace goes to 78.34.0.1, the first address of 78.34.0.0/15. 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 (38 prefixes)

PrefixAddresses
78.34.0.0/15131,072
81.173.128.0/1732,768
83.138.60.0/24256
84.44.128.0/1732,768
85.197.0.0/1816,384
87.78.0.0/15131,072
89.0.0.0/15131,072
89.1.2.0/24256
91.199.241.0/24256
91.220.185.0/24256
91.225.3.0/24256
185.20.228.0/221,024
192.109.126.0/24256
193.16.207.0/24256
193.23.56.0/24256
193.26.15.0/24256
193.27.96.0/198,192
193.29.54.0/24256
193.56.158.0/24256
194.8.192.0/198,192
194.15.156.0/24256
194.15.157.0/24256
194.39.192.0/221,024
194.50.47.0/24256
194.50.191.0/24256
194.213.2.0/24256
195.14.192.0/1816,384
195.36.81.0/24256
195.36.105.0/24256
195.137.163.0/24256
212.8.128.0/198,192
212.8.136.0/212,048
212.8.144.0/212,048
212.66.128.0/198,192
212.117.64.0/198,192
213.160.92.0/23512
213.168.64.0/1816,384
213.196.192.0/1816,384

IPv6 prefixes (13 prefixes)

Prefix
2001:678:1210::/48
2001:67c:5d4::/48
2001:4dd0::/29
2001:4dd0::/32
2a02:3f0::/32
2a02:f38:3::/48
2a03:2901::/32
2a0a:a540::/28
2a0a:a540::/29
2a0f:e2c0::/29
2a10:3600::/32
2a10:8441:112::/48
2a14:2240::/29

Neighbours

Upstreams (transit or peers) (78)

ASNetworkVisibility
AS6939Hurricane Electric LLC2,200
AS9002RETN Limited1,249
AS1299Arelion Sweden AB1,004
AS3356Level 3 Parent, LLC825
AS174Cogent Communications, LLC601
AS13030Init7 (Switzerland) Ltd.118
AS34549meerfarbig GmbH & Co. KG88
AS35625Eurofiber France SAS81
AS34019Hivane Association78
AS34927iFog GmbH77
AS34177Celeste SAS71
AS37497Network Platforms (PTY) LTD71
AS20485Joint Stock Company TransTeleCom70
AS24961WIIT AG70
AS48362Stadtwerke Feldkirch69
AS8455atom86 BV66
AS14840BR.Digital Telecom64
AS25091IP-Max SA64
AS50304Blix Solutions AS64
AS29691Nine Internet Solutions AG63
AS33891Core-Backbone GmbH61
AS3935131173 Services AB57
AS29075IELO-LIAZO SERVICES SAS56
AS29632Netassist International EOOD55
AS41327Fiber Telecom S.p.A.54
AS20764CJSC RASCOM52
AS6461Zayo Bandwidth49
AS8298IPng Networks GmbH45
AS35280F5 Networks SARL42
AS50673Serverius Holding B.V.41

The 30 most visible of 78.

Downstreams (customers) (35)

ASNetworkVisibility
AS48823Hosting.de GmbH1,257
AS33984Surfplanet GmbH740
AS12581tops.net GmbH & Co. KG485
AS60997StadtKoeln1 Stadt Koeln399
AS202577Kommunale Datenverarbeitungszentrale Rhein-Erft-Rur398
AS215431Uniklinikumbonn Universitaetsklinikum Bonn398
AS206211DEUTZ AG397
AS24861SITS Deutschland GmbH354
AS48572Flughafen Koeln/Bonn GmbH335
AS34564Gothaer Systems GmbH321
AS34015-319
AS12579-314
AS60209-298
AS35777-284
AS205037-272
AS34457-265
AS51733-265
AS197777-265
AS208228-265
AS200777-264
AS198703-263
AS201660-263
AS211023-259
AS212519-238
AS44215-237
AS60063-236
AS201685-236
AS203621-236
AS206872-204
AS212472-186

The 30 most visible of 35.

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.