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Autonomous System

AS36040 · Google LLC

Overview

AS36040 is announced on the Internet: RIPE RIS route collectors currently see 84 IPv4 prefixes and 56 IPv6 prefixes originated by this network. Together, its IPv4 prefixes cover 21,760 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 57 upstream neighbours (transit providers or peers) and no downstream neighbour (customers or networks it carries). Its most visible upstreams are Digital Telecom IX LLC (AS43380), Telenet BV (AS6848), and Cox Communications Inc. (AS22773). AS36040 was assigned by ARIN, and its registration country is United States.

Source: RIPEstat (RIPE NCC), RIS route collectors. Read on October 16, 2026 at 6:55 PM UTC. This page is refreshed at most every 12 hours.

Go further

The trace goes to 65.19.244.1, the first address of 65.19.244.0/23. 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 (84 prefixes)

PrefixAddresses
50.151.212.0/24256
50.151.213.0/24256
50.151.215.0/24256
50.151.216.0/24256
50.151.217.0/24256
50.151.218.0/24256
50.151.219.0/24256
50.151.220.0/24256
50.151.221.0/24256
50.151.223.0/24256
50.152.230.0/24256
50.202.50.0/24256
50.202.95.0/24256
50.202.195.0/24256
50.203.166.0/24256
50.218.241.0/24256
50.218.242.0/24256
50.218.243.0/24256
50.218.244.0/24256
50.218.248.0/24256
50.218.250.0/24256
50.218.251.0/24256
50.218.252.0/24256
64.15.112.0/24256
64.15.116.0/24256
64.15.120.0/24256
64.15.121.0/24256
64.15.122.0/24256
64.15.126.0/24256
65.19.244.0/23512
104.237.161.0/24256
104.237.163.0/24256
104.237.164.0/24256
104.237.166.0/24256
104.237.167.0/24256
104.237.168.0/24256
104.237.169.0/24256
104.237.170.0/24256
104.237.171.0/24256
104.237.172.0/24256
104.237.173.0/24256
104.237.188.0/24256
104.237.189.0/24256
104.237.190.0/24256
136.22.128.0/24256
136.22.129.0/24256
136.22.130.0/24256
136.22.133.0/24256
136.22.134.0/24256
136.22.135.0/24256
136.22.136.0/24256
136.22.137.0/24256
136.22.138.0/24256
136.22.139.0/24256
136.22.140.0/24256
136.22.141.0/24256
136.22.142.0/24256
136.22.143.0/24256
136.22.144.0/24256
136.22.145.0/24256
136.22.146.0/24256
136.22.147.0/24256
136.22.148.0/24256
136.22.149.0/24256
136.22.150.0/24256
136.22.151.0/24256
136.22.152.0/24256
136.22.153.0/24256
136.22.154.0/24256
136.22.155.0/24256
136.22.157.0/24256
136.22.158.0/24256
136.22.159.0/24256
185.192.249.0/24256
185.225.248.0/24256
208.104.202.0/24256
208.117.232.0/24256
208.117.235.0/24256
208.117.238.0/24256
208.117.240.0/24256
208.117.241.0/24256
208.117.245.0/24256
208.117.250.0/24256
208.117.251.0/24256

IPv6 prefixes (56 prefixes)

Prefix
2605:48c0::/32
2620:11a:a017::/48
2620:11a:a01c::/48
2620:11a:a024::/48
2620:11a:a025::/48
2620:11a:a02e::/48
2620:11a:a036::/48
2620:11a:a037::/48
2620:11a:a038::/48
2620:11a:a039::/48
2620:11a:a03a::/48
2620:11a:a03b::/48
2620:11a:a03c::/48
2620:11a:a03d::/48
2620:11a:a03e::/48
2620:11a:a040::/48
2620:11a:a041::/48
2620:11a:a042::/48
2620:11a:a043::/48
2620:11a:a044::/48
2620:11a:a045::/48
2620:11a:a046::/48
2620:11a:a047::/48
2620:11a:a048::/48
2620:11a:a049::/48
2620:11a:a04a::/48
2620:11a:a04b::/48
2620:11a:a04c::/48
2620:11a:a04d::/48
2620:11a:a04e::/48
2620:11a:a04f::/48
2620:11a:a050::/48
2620:11a:a051::/48
2620:11a:a052::/48
2620:11a:a053::/48
2620:11a:a054::/48
2620:11a:a055::/48
2620:11a:a056::/48
2620:11a:a058::/48
2620:11a:a059::/48
2620:11a:a05b::/48
2620:11a:a05c::/48
2620:11a:a05d::/48
2620:11a:a05e::/48
2620:11a:a05f::/48
2620:11a:a060::/48
2620:11a:a061::/48
2620:11a:a062::/48
2620:11a:a063::/48
2620:11a:a064::/48
2620:11a:a065::/48
2620:11a:a066::/48
2620:11a:a067::/48
2a00:1588:d801::/48
2a00:1588:d802::/48
2a0f:f4c1:2::/48

Neighbours

Upstreams (transit or peers) (57)

ASNetworkVisibility
AS43380Digital Telecom IX LLC409
AS6848Telenet BV368
AS22773Cox Communications Inc.368
AS3209Vodafone GmbH356
AS7018AT&T Enterprises, LLC356
AS7015Comcast Cable Communications, LLC355
AS52320GlobeNet Cabos Submarinos Colombia, S.A.S.354
AS15169Google LLC324
AS32381CLOUD NETWORKING - Google Access LLC321
AS196053 Rivers Telephone Cooperative, Inc.279
AS197961-279
AS20214Comcast Cable Communications, LLC268
AS33651Comcast Cable Communications, LLC267
AS33491Comcast Cable Communications, LLC261
AS33667Comcast Cable Communications, LLC259
AS22258Comcast Cable Communications, LLC258
AS33490-258
AS33659-258
AS33668-258
AS7016Comcast Cable Communications, LLC257
AS13367Comcast Cable Communications, LLC257
AS21508Comcast Cable Communications, LLC257
AS33287-257
AS33489-257
AS33650-257
AS33657-257
AS33661Comcast Cable Communications, LLC256
AS14615Comporium, Inc239
AS397504-214
AS6939Hurricane Electric LLC147

The 30 most visible of 57.

Downstreams (customers) (0)

None seen.

22 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.