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Country

Réunion

Africa European Union RE
IPv4 addresses
769,722
CIDR ranges
223
Global rank · IPv4
#101 of 250
ASNs
12
Organizations
9

Top organizations

Top ASNs

ASNNameIPs
AS49902 Societe Reunionnaise Du Radiotelephone Scs 199.7K
AS3215 Orange 172.5K
AS37002 Reunicable SAS 166.1K
AS21351 Canal + Telecom SAS 69.9K
AS327697 TELCO OI SAS 33.8K
AS34306 Societe Reunionnaise Du Radiotelephone Scs 9.0K
AS51110 Idom Technologies SAS 3.3K
AS199140 Orange 2.3K
AS13335 Cloudflare, Inc. 512
AS9180 Alienor.net SARL 256
AS14789 Cloudflare, Inc. 256
AS198825 Verycloud SAS 256

Network composition

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

By operator category
CategoryIPv4Share
Enterprise 166.1K
49.2%
ISP / Telecom 138.8K
41.1%
Hosting / Cloud 32.8K
9.7%
By regional registry (RIR)
RegistryIPv4Share
RIPE NCC 445.7K
57.9%
ARIN 151.7K
19.7%
AFRINIC 99.8K
13.0%
APNIC 72.5K
9.4%
Prefix-size distribution (network ranges by block size)
/16–/19
28
/20–/22
40
/23
14
/24
27
/25–/28
16
/29–/32
98

Routing & security

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

Announced prefixes
511
Origin ASNs
16
RPKI-valid
46.4%
237 of 511 ROA-covered

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

Reverse-DNS, threat intelligence & internet health

How much of Réunion'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
77.5%
596.4K IPs with a PTR
Censorship signal
1.9%
0 confirmed-blocked · 30d
Network outages
1
events · last 90d
Median speed
310 Mbps ↓
103 Mbps ↑ · 90ms
77.5% of allocated IPv4 has a PTR

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

Réunion has 769,722 IPv4 addresses allocated across 223 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 Réunion?

The top organizations in Réunion by IP allocation include the major ISPs, hosting providers, and enterprises listed above. These 9 organizations collectively manage the majority of the country's IPv4 address space.

How many ASNs operate in Réunion?

Réunion has 12 or more registered Autonomous Systems. Each ASN represents an independently routed network, such as an ISP, cloud provider, or enterprise network.

What continent is Réunion in?

Réunion is located in Africa. IP address allocations in this region are managed by AFRINIC.

Last updated: 2026-07-20 08:55:31 UTC
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