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Autonomous System

AS6667 ยท Elisa Oyj

Overview

AS6667 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 2,560 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 59 upstream neighbours (transit providers or peers) and 32 downstream neighbours (customers or networks it carries). Its most visible upstreams are Hurricane Electric LLC (AS6939), GTT Communications Inc. (AS3257), and Level 3 Parent, LLC (AS3356). AS6667 was assigned by RIPE NCC, and its registration country is Finland.

Source: RIPEstat (RIPE NCC), RIS route collectors. Read on October 17, 2026 at 1:55 AM UTC. This page is refreshed at most every 12 hours.

Go further

The trace goes to 213.192.184.1, the first address of 213.192.184.0/21. 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 (3 prefixes)

PrefixAddresses
192.136.73.0/24256
192.136.74.0/24256
213.192.184.0/212,048

IPv6 prefixes (1 prefix)

Prefix
2001:670::/32

Neighbours

Upstreams (transit or peers) (59)

ASNetworkVisibility
AS6939Hurricane Electric LLC31,356
AS3257GTT Communications Inc.22,032
AS3356Level 3 Parent, LLC20,307
AS1299Arelion Sweden AB18,619
AS9002RETN Limited15,992
AS6461Zayo Bandwidth11,104
AS174Cogent Communications, LLC10,221
AS1273IDDQD-AS8,990
AS33891Core-Backbone GmbH3,288
AS37468Angola Cables2,364
AS6830LibertyGlobal Liberty Global Europe Holding B.V.1,998
AS137409GSL Networks Pty LTD1,060
AS8220COLT Technology Services Group Limited1,027
AS2497Internet Initiative Japan Inc.932
AS5405Inter.link GmbH803
AS20485Joint Stock Company TransTeleCom777
AS13030Init7 (Switzerland) Ltd.753
AS12552GlobalConnect AB656
AS37100SEACOM Limited645
AS7713PT Telekomunikasi Indonesia616
AS12389PJSC Rostelecom591
AS3303Swisscom (Schweiz) AG443
AS30844-439
AS20764CJSC RASCOM421
AS35280F5 Networks SARL421
AS8218Zayo Infrastructure France SA391
AS15412-353
AS41327Fiber Telecom S.p.A.352
AS8455atom86 BV342
AS17676-336

The 30 most visible of 59.

Downstreams (customers) (32)

ASNetworkVisibility
AS719Elisa Oyj12,290
AS2586Elisa Eesti AS2,332
AS204779Local Loop Oy1,082
AS39699Lounea Palvelut Oy991
AS206557Eltele AS818
AS39194Vakka-Suomen Puhelin Oy644
AS34263MPY Telecom Oy632
AS207003Web1 Oy586
AS51319KajoNet Oy536
AS29432TREX Regional Exchanges Oy425
AS34387-369
AS51941-357
AS199254-344
AS49762-330
AS8829-283
AS13170Kaisanet Oy263
AS61340-260
AS50420-256
AS29093-255
AS200087-252
AS57732-233
AS50585-184
AS51935-180
AS42621-178
AS202509-163
AS42343-147
AS201991-123
AS41369-117
AS60354-105
AS47605-61

The 30 most visible of 32.

364 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.