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Autonomous System

AS28840 · PJSC "TATTELECOM"

Overview

AS28840 is announced on the Internet: RIPE RIS route collectors currently see 352 IPv4 prefixes and no IPv6 prefix originated by this network. Together, its IPv4 prefixes cover 336,896 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 26 upstream neighbours (transit providers or peers) and 11 downstream neighbours (customers or networks it carries). Its most visible upstreams are PJSC Rostelecom (AS12389), RETN Limited (AS9002), and PJSC MegaFon (AS31133). AS28840 was assigned by RIPE NCC, and its registration country is Russia.

Source: RIPEstat (RIPE NCC), RIS route collectors. Read on October 17, 2026 at 1:40 PM UTC. This page is refreshed at most every 12 hours.

Go further

The trace goes to 178.204.0.1, the first address of 178.204.0.0/14. 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 (352 prefixes)

PrefixAddresses
5.101.16.0/212,048
5.101.16.0/221,024
5.101.16.0/23512
5.101.16.0/24256
5.101.17.0/24256
5.101.18.0/23512
5.101.18.0/24256
5.101.19.0/24256
5.101.20.0/221,024
5.101.20.0/23512
5.101.20.0/24256
5.101.21.0/24256
5.101.22.0/23512
5.101.22.0/24256
5.101.23.0/24256
78.138.128.0/1816,384
78.138.128.0/198,192
78.138.128.0/212,048
78.138.136.0/212,048
78.138.144.0/204,096
78.138.144.0/212,048
78.138.152.0/212,048
78.138.160.0/198,192
78.138.160.0/204,096
78.138.160.0/212,048
78.138.162.0/24256
78.138.163.0/24256
78.138.166.0/24256
78.138.176.0/212,048
78.138.178.0/24256
78.138.179.0/24256
78.138.184.0/212,048
78.138.184.0/221,024
78.138.188.0/221,024
78.138.188.0/23512
78.138.191.0/24256
84.18.96.0/198,192
84.18.96.0/221,024
84.18.96.0/24256
84.18.97.0/24256
84.18.98.0/24256
84.18.99.0/24256
84.18.100.0/23512
84.18.101.0/24256
84.18.105.0/24256
84.18.106.0/23512
84.18.108.0/23512
84.18.108.0/24256
84.18.109.0/24256
84.18.112.0/204,096
84.18.114.0/24256
84.18.115.0/24256
84.18.116.0/23512
84.18.116.0/24256
84.18.117.0/24256
84.18.118.0/23512
84.18.118.0/24256
84.18.119.0/24256
84.18.120.0/23512
84.18.120.0/24256
89.191.240.0/204,096
89.191.240.0/212,048
89.191.248.0/212,048
89.232.64.0/1816,384
89.232.64.0/212,048
89.232.69.0/24256
89.232.70.0/24256
89.232.71.0/24256
89.232.72.0/24256
89.232.74.0/24256
89.232.80.0/212,048
89.232.81.0/24256
89.232.88.0/212,048
89.232.96.0/198,192
89.232.96.0/212,048
89.232.105.0/24256
89.232.109.0/24256
89.232.111.0/24256
89.232.113.0/24256
89.232.116.0/24256
89.232.117.0/24256
89.232.118.0/24256
89.232.120.0/212,048
89.232.127.0/24256
91.107.96.0/212,048
91.107.96.0/23512
91.107.96.0/24256
91.107.97.0/24256
91.107.98.0/23512
91.107.98.0/24256
91.107.99.0/24256
91.107.100.0/23512
91.107.100.0/24256
91.107.101.0/24256
91.107.102.0/23512
91.107.102.0/24256
91.107.103.0/24256
178.204.0.0/14262,144
178.204.0.0/15131,072
178.204.0.0/1732,768

Showing the first 100 of 352, in address order. Complete list on RIPEstat

IPv6 prefixes (none)

None currently seen.

Neighbours

Upstreams (transit or peers) (26)

ASNetworkVisibility
AS12389PJSC Rostelecom1,523
AS9002RETN Limited585
AS31133PJSC MegaFon576
AS57304JSC "RetnNet"415
AS6939Hurricane Electric LLC71
AS25091IP-Max SA14
AS49434FBW NETWORKS SAS9
AS50673Serverius Holding B.V.9
AS47692Nessus GmbH8
AS50629LWLcom GmbH8
AS8218Zayo Infrastructure France SA7
AS200612GulfBridgeInternational Gulf Bridge International Inc.7
AS15958CETIN Ltd. Belgrade6
AS33891Core-Backbone GmbH5
AS42295TBISS Ltd5
AS62000SERVERD SAS5
AS41327Fiber Telecom S.p.A.4
AS60171AFR-IX TELECOM S.A.4
AS6204INTERKVM HOST SRL3
AS6663Euroweb Romania S.R.L.3
AS9198JSC Kazakhtelecom3
AS3935131173 Services AB3
AS56911Warian S.R.L.2
AS215638Cilix Limited2
AS43727JSC KVANT-TELEKOM1
AS56655Gigahost AS1

Downstreams (customers) (11)

ASNetworkVisibility
AS49280Ruslan Saifullin291
AS197873JSCB "ENERGOBANK"289
AS51027JSC Tatmedia284
AS214066Tatspirtprom JSC200
AS48676LLC "Svyazenergo"192
AS203509ANO VO Universitet Innopolis143
AS31133PJSC MegaFon106
AS50164PJSC TATNEFT N.A. V.D. SHASHIN97
AS57304JSC "RetnNet"83
AS203883Bank Avers JSC80
AS208547-77

16 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.