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Country

British Indian Ocean Territory

Asia IO
IPv4 addresses
3,698
CIDR ranges
42
Global rank · IPv4
#233 of 250
ASNs
1
Organizations
1

Top organizations

OrganizationIPsRanges
Sure Diego Garcia Limited 3.1K 2

Top ASNs

ASNNameIPs
AS17458 Sure (Diego Garcia) Limited 3.1K

Network composition

How British Indian Ocean Territory's allocated IPv4 space breaks down by operator type, regional registry, and block size.

By regional registry (RIR)
RegistryIPv4Share
APNIC 3.1K
83.2%
LACNIC 512
13.8%
ARIN 100
2.7%
RIPE NCC 10
0.3%
Prefix-size distribution (network ranges by block size)
/20–/22
2
/23
1
/25–/28
3
/29–/32
36

Routing & security

Live BGP routing footprint for British Indian Ocean Territory from our global collectors, with RPKI route-origin validation coverage.

Announced prefixes
52
Origin ASNs
2
RPKI-valid
92.3%
48 of 52 ROA-covered

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

Reverse-DNS, threat intelligence & internet health

How much of British Indian Ocean Territory'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
15.1%
558 IPs with a PTR
15.1% of allocated IPv4 has a PTR

Reverse-DNS + threat-blocklist footprint from our own scanning & 8 threat-intel feeds.

Frequently Asked Questions

How many IPv4 addresses are allocated to British Indian Ocean Territory?

British Indian Ocean Territory has 3,698 IPv4 addresses allocated across 42 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 British Indian Ocean Territory?

The top organizations in British Indian Ocean Territory by IP allocation include the major ISPs, hosting providers, and enterprises listed above. These 1 organizations collectively manage the majority of the country's IPv4 address space.

How many ASNs operate in British Indian Ocean Territory?

British Indian Ocean Territory has 1 or more registered Autonomous Systems. Each ASN represents an independently routed network, such as an ISP, cloud provider, or enterprise network.

What continent is British Indian Ocean Territory in?

British Indian Ocean Territory is located in Asia. IP address allocations in this region are managed by APNIC.

Last updated: 2026-07-23 16:55:32 UTC
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