RE

Réunion holds 409,856 IPv4 addresses from AFRINIC and RIPE NCC.

Short answer

Regional registries have allocated 409,856 IPv4 addresses in 25 blocks, 6 IPv6 blocks and 5 network numbers to organisations in Réunion, the first on 21 Feb 1994. By DB-IP’s count the largest network here is Reunicable SAS (AS37002).

RegistryAFRINIC, RIPE NCC
IPv4 allocated (RIR)409,856
IPv4 blocks25
IPv6 blocks6 (28 /32s of space)
Network numbers (ASNs)5
First / latest allocation21 Feb 1994 / 24 Apr 2026
IPv4 placed here by DB-IP475,350
DB-IP ranges (IPv4 / IPv6)145 / 65

Registered here vs used here

The RIR count is what was allocated to organisations registered in Réunion; DB-IP’s count is where it estimates addresses are used. DB-IP places 65,494 more IPv4 addresses in Réunion than were allocated here, which happens when networks registered elsewhere (cloud providers, multinationals) operate in the country.

Largest networks by IPv4 space in Réunion

NetworkASNIPv4 in RE
Reunicable SASAS37002165,888
SOCIETE REUNIONNAISE DU RADIOTELEPHONE SCSAS4990271,168
Orange S.A.AS321567,432
Canal + Telecom SASAS2135166,048
SCALEWAY S.A.S.AS20202332,768
TELCO OI SASAS32769732,768
Societe Francaise Du Radiotelephone - SFR SAAS1555716,256
SOCIETE REUNIONNAISE DU RADIOTELEPHONE SCSAS343068,448
IDOM TECHNOLOGIES SASAS511102,816
Orange S.A.AS1991402,304
Space Exploration Technologies CorporationAS14593512
Zscaler Switzerland GmbHAS62044512
University of California, San DiegoAS7377258
Liu HaoRanAS213605256
IELO-LIAZO SERVICES SASAS29075256

IP Geolocation by DB-IP (ASN Lite × Country Lite, CC BY 4.0).

Allocations per year

20121
20134
20142
20154
20168
20181
20191
20211
20231
20241
20251
20261

Delegation records per year (IPv4 blocks + IPv6 blocks + ASN records) still current in the RIR files. Last 12 years shown.

Download the ranges

Every IPv4 and IPv6 range DB-IP Country Lite places in Réunion, as CSV. The file carries DB-IP’s attribution, which you must keep if you republish it.

Réunion ranges (CSV)

Sources

  1. NRO RIR delegated-extended statistics · checked 5 Nov 2026
  2. DB-IP IP to Country Lite (CC BY 4.0) · checked 3 Nov 2026