Home ASN LookupAS6400

AS6400 Compania Dominicana de Telefonos S. A.

🇩🇴

Org handle: 21199

LACNICallocated

Announced Prefixes (BGP)

401total

390 IPv411 IPv6

IPv4 Addresses

Allocated (RIR)844,032

Announced (BGP)2.1M

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)8.5×10²⁸

Prefix Limit (IPv4)

1,000

Prefix Limit (IPv6)

Country

🇩🇴 DO

RIR

LACNIC

Status

allocated

Allocated

1996-03-29

Listed on the threat map (2026-10-10)

#4 in the Dominican Republic (1 flagged network located there)

Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.

Announced Prefixes

(BGP)401

Prefix	RPKI	IRR	Last Seen
64.32.64.0/18	Valid	LACNIC	-
64.32.64.0/23	Valid	-	-
64.32.66.0/23	Valid	-	-
64.32.68.0/22	Valid	-	-
64.32.72.0/21	Valid	-	-
64.32.80.0/23	Valid	-	-
64.32.83.0/24	Valid	-	-
64.32.84.0/24	Valid	-	-
64.32.86.0/24	Valid	-	-
64.32.88.0/24	Valid	-	-

1-10 of 401

1 / 41

Allocated Prefixes

(RIR)31

Prefix	Country	RIR	Status
64.32.64.0/18	🇩🇴 DO	LACNIC	allocated
66.98.0.0/18	🇩🇴 DO	LACNIC	allocated
66.98.64.0/19	🇩🇴 DO	LACNIC	allocated
148.0.0.0/16	🇩🇴 DO	LACNIC	allocated
148.101.0.0/16	🇩🇴 DO	LACNIC	allocated
148.255.0.0/16	🇩🇴 DO	LACNIC	allocated
152.0.0.0/16	🇩🇴 DO	LACNIC	allocated
179.52.0.0/15	🇩🇴 DO	LACNIC	allocated
179.61.16.0/20	🇩🇴 DO	LACNIC	allocated
186.6.0.0/16	🇩🇴 DO	LACNIC	allocated

1-10 of 31

1 / 4

All 401 announced prefixes of AS6400 →

BGP Neighbours

(seen in AS paths)

Upstreams (7)

Networks AS6400 hands its own prefixes to: transit providers, or peers at an exchange.

AS64126DOMINICAN TELECOM PRIME, DTP, S.R.L281
AS1299TWELVE99 Arelion Sweden AB37
AS6453TATA COMMUNICATIONS (AMERICA)36
AS174Cogent Communications27
AS2914NTT America13
AS12956TELXIUS TELEFONICA GLOBAL SOLUTIONS SL6
AS701Verizon Business1

Downstreams (13)

Networks whose own prefixes AS6400 passes on: usually its customers.

AS262178Pontificia Universidad Catolica Madre Y Maestra (PUCMM)10
AS273157CORPORACION DE COMUNICACIONES Y TELEFONIA TURISTICA JUANILLO, S.A10
AS267896Direccion General De Impuestos Internos3
AS262931Servicios De Ti Dominicana Sc,Sas2
AS264817REFINERIA DOMINICANA DE PETROLEO PDV S.A2
AS266709Oficina Presidencial De La Tecnologias De Informacion Y Comunicacion2
AS274192TELECABLE EL CERCADO, S.R.L2
AS262148Universidad APEC1
AS262247Banco Popular Dominicano1
AS263723DRL MANUFACTURING SPM1
AS263748CONSORCIO DE TARJETAS DOMINICANAS S.A1
AS271940BANCO DE RESERVAS DE LA REPUBLICA DOMINICANA BANCO DE SERVICIOS MULTIPLES, S.A1
AS272867EXATECH COMPUTER1

ASPA

No ASPA

External Links

LACNIC Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS6400 should publish an ASPA object
IPv4 transfers in the LACNIC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/6400

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/6400" | jq