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Country

Cayman Islands

North America KY
IPv4 addresses
121,979
CIDR ranges
153
Global rank · IPv4
#163 of 250
ASNs
16
Organizations
14

Top ASNs

ASNNameIPs
AS36549 WestTel Ltd. 38.1K
AS6639 Cable & Wireless (Cayman Islands) Ltd. 24.1K
AS16437 Infinity Broadband Ltd 6.9K
AS16509 Amazon.com, Inc. 5.6K
AS23520 Columbus Networks USA, Inc. 2.3K
AS13771 Digicel Cayman Limited 2.0K
AS11139 Cable & Wireless Dominica 1.0K
AS53926 Apache Corporation 1.0K
AS397343 SALT 1.0K
AS12180 Unitas Global 768
AS15344 Karib Cable 768
AS3491 PCCW Global (HK) Ltd. 512
AS212238 Datacamp Limited 512
AS137409 GSL Networks Pty LTD 256
AS398132 SALT 256
AS398831 SALT 256

Network composition

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

By operator category
CategoryIPv4Share
Mobile 17.4K
70.1%
ISP / Telecom 4.6K
18.6%
Hosting / Cloud 2.8K
11.3%
By regional registry (RIR)
RegistryIPv4Share
ARIN 77.3K
63.4%
RIPE NCC 40.5K
33.2%
AFRINIC 4.1K
3.4%
LACNIC 36
0.0%
APNIC 34
0.0%
Prefix-size distribution (network ranges by block size)
/16–/19
4
/20–/22
30
/23
9
/24
27
/25–/28
16
/29–/32
67

Routing & security

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

Announced prefixes
278
Origin ASNs
22
RPKI-valid
46.8%
130 of 278 ROA-covered

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

Reverse-DNS, threat intelligence & internet health

How much of Cayman Islands'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
23.3%
28.4K IPs with a PTR
On threat blocklists
1
flagged across 2 feeds
Internet adoption
81.1%
of population · 2017
Network outages
2
events · last 90d
Median speed
230 Mbps ↓
134 Mbps ↑ · 33ms
23.3% 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; outage detection from IODA / Georgia Tech; connection speed from Cloudflare Radar.

Frequently Asked Questions

How many IPv4 addresses are allocated to Cayman Islands?

Cayman Islands has 121,979 IPv4 addresses allocated across 153 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 Cayman Islands?

The top organizations in Cayman Islands by IP allocation include the major ISPs, hosting providers, and enterprises listed above. These 14 organizations collectively manage the majority of the country's IPv4 address space.

How many ASNs operate in Cayman Islands?

Cayman Islands has 16 or more registered Autonomous Systems. Each ASN represents an independently routed network, such as an ISP, cloud provider, or enterprise network.

What continent is Cayman Islands in?

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

Last updated: 2026-11-06 14:39:06 UTC
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