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Autonomous System

AS64126 · DOMINICAN TELECOM PRIME, DTP, S.R.L.

Overview

AS64126 is announced on the Internet: RIPE RIS route collectors currently see 5 IPv4 prefixes and 1 IPv6 prefix originated by this network. Together, its IPv4 prefixes cover 66,560 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 17 upstream neighbours (transit providers or peers) and 266 downstream neighbours (customers or networks it carries). Its most visible upstreams are Arelion Sweden AB (AS1299), Cogent Communications, LLC (AS174), and Columbus Networks USA, Inc. (AS23520). AS64126 was assigned by LACNIC, and its registration country is Dominican Republic.

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

Trace a route to this networkOpen in the BGP viewerWHOIS of 154.88.128.1

The trace goes to 154.88.128.1, the first address of 154.88.128.0/17. 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 (5 prefixes)

PrefixAddresses
131.108.236.0/221,024
154.88.128.0/1732,768
154.88.129.0/24256
154.88.187.0/24256
156.248.128.0/1732,768

IPv6 prefixes (1 prefix)

Prefix
2803:6de0::/32

Neighbours

Upstreams (transit or peers) (17)

ASNetworkVisibility
AS1299Arelion Sweden AB11,611
AS174Cogent Communications, LLC7,474
AS23520Columbus Networks USA, Inc.6,690
AS6939Hurricane Electric LLC5,032
AS3303Swisscom (Schweiz) AG736
AS14840BR.Digital Telecom216
AS7195EDGEUNO S.A.S196
AS9304HGC Global Communications Limited176
AS37468Angola Cables156
AS4230CLARO S.A.144
AS13786Seabras 1 USA, LLC102
AS137409GSL Networks Pty LTD101
AS61568ALOO TELECOM - FSF TECNOLOGIA SA96
AS6057Administracion Nacional de Telecomunicaciones5
AS1031PEER 1031 LLC4
AS20326TeraSwitch Networks Inc.2
AS16735ALGAR TELECOM S/A1

Downstreams (customers) (266)

ASNetworkVisibility
AS1299Arelion Sweden AB74,967
AS174Cogent Communications, LLC28,429
AS265721Cable Atlantico SRL7,549
AS23520Columbus Networks USA, Inc.4,549
AS58453China Mobile International Limited4,169
AS7195EDGEUNO S.A.S2,519
AS52320GlobeNet Cabos Submarinos Colombia, S.A.S.2,160
AS37468Angola Cables2,143
AS13786Seabras 1 USA, LLC2,072
AS272011TELEMARCH S.R.L1,868
AS265695-1,867
AS266734-1,653
AS137409GSL Networks Pty LTD1,594
AS263689-1,480
AS274035-1,162
AS272980-1,041
AS13335Cloudflare, Inc.1,023
AS4230CLARO S.A.879
AS264605-710
AS22356Durand do Brasil Ltda700
AS272120-610
AS271930-606
AS273901-506
AS273198-503
AS267838-501
AS52468UFINET PANAMA S.A.490
AS273836-487
AS273220-484
AS264409Huge Solucoes Corporativas Ltda470
AS274168-468

The 30 most visible of 266.

15 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.