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Country

Dominica

North America DM
IPv4 addresses
28,986
CIDR ranges
105
Global rank · IPv4
#207 of 250
ASNs
8
Organizations
7
Regions / states
10

Top ASNs

ASNNameIPs
AS11139 Cable & Wireless Dominica 6.1K
AS40945 SAT TELECOMMUNICATIONS LTD 3.8K
AS399915 EPIC Communications Inc 1.3K
AS24971 MasterDC s.r.o. 512
AS715 WoodyNet, Inc. 256
AS14813 Columbus Telecommunications (Barbados) Limited 256
AS33582 Digicel St.Lucia Ltd 256
AS395561 Digicel St.Lucia Ltd 256

Regions / states / provinces

Network composition

How Dominica's allocated IPv4 space breaks down by operator type, regional registry, and block size.

By operator category
CategoryIPv4Share
ISP / Telecom 5.1K
64.5%
Mobile 2.3K
29.0%
Enterprise 512
6.5%
By regional registry (RIR)
RegistryIPv4Share
ARIN 26.1K
90.0%
AFRINIC 1.8K
6.2%
RIPE NCC 1.0K
3.5%
LACNIC 64
0.2%
APNIC 2
0.0%
Prefix-size distribution (network ranges by block size)
/20–/22
15
/23
9
/24
20
/25–/28
15
/29–/32
46

Routing & security

Live BGP routing footprint for Dominica from our global collectors, with RPKI route-origin validation coverage.

Announced prefixes
177
Origin ASNs
9
RPKI-valid
9.0%
16 of 177 ROA-covered

RPKI-valid % = announced prefixes with a matching Route Origin Authorization. Live routing →

Reverse-DNS, threat intelligence & internet health

How much of Dominica's address space resolves to a hostname, how much appears on public threat blocklists, how widely the population is online, and independent signals of censorship and outages.

Reverse-DNS coverage
3.6%
1.0K IPs with a PTR
Internet adoption
82.0%
of population · 2024
Censorship signal
2.1%
0 confirmed-blocked · 30d
Network outages
13
events · last 90d
Median speed
90 Mbps ↓
64 Mbps ↑ · 78ms
3.6% of allocated IPv4 has a PTR

Reverse-DNS + threat-blocklist footprint from our own scanning & 8 threat-intel feeds. Internet adoption from the World Bank; censorship measurements from OONI; outage detection from IODA / Georgia Tech; connection speed from Cloudflare Radar.

Frequently Asked Questions

How many IPv4 addresses are allocated to Dominica?

Dominica has 28,986 IPv4 addresses allocated across 105 network ranges. These allocations are managed by regional internet registries and assigned to organizations operating within the country.

What are the largest internet providers in Dominica?

The top organizations in Dominica by IP allocation include the major ISPs, hosting providers, and enterprises listed above. These 7 organizations collectively manage the majority of the country's IPv4 address space.

How many ASNs operate in Dominica?

Dominica has 8 or more registered Autonomous Systems. Each ASN represents an independently routed network, such as an ISP, cloud provider, or enterprise network.

What continent is Dominica in?

Dominica is located in North America. IP address allocations in this region are managed by ARIN.

Last updated: 2026-07-23 16:25:31 UTC
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