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Montserrat holds 1,280 IPv4 addresses from ARIN.

Last updated 5 Nov 2026 from RIR statistics (NRO) and DB-IP Country Lite (2026-11-01)

Short answer

Regional registries have allocated 1,280 IPv4 addresses in 2 blocks, 0 IPv6 blocks and 1 network numbers to organisations in Montserrat, the first on 10 Aug 2007. By DB-IP’s count the largest network here is Alvsbyns Kommun (AS31568).

RegistryARIN
IPv4 allocated (RIR)1,280
IPv4 blocks2
IPv6 blocks0 (0 /32s of space)
Network numbers (ASNs)1
First / latest allocation10 Aug 2007 / 15 Sept 2020
IPv4 placed here by DB-IP14,488
DB-IP ranges (IPv4 / IPv6)27 / 39

Registered here vs used here

The RIR count is what was allocated to organisations registered in Montserrat; DB-IP’s count is where it estimates addresses are used. DB-IP places 13,208 more IPv4 addresses in Montserrat than were allocated here, which happens when networks registered elsewhere (cloud providers, multinationals) operate in the country.

Largest networks by IPv4 space in Montserrat

NetworkASNIPv4 in MS
Alvsbyns KommunAS315684,144
Nordlo Elevate ABAS509041,536
84 Grams ABAS576301,280
Cable & Wireless DominicaAS111391,280
Government of MontserratAS3988211,024
Space Exploration Technologies CorporationAS14593512
Antigua Wireless ventures LtdAS396304512
AC-Net Externservice ABAS25176512
IT4U Sweden ABAS203428304
Akamai International B.V.AS20940256
Claranet LimitedAS8426248
High5! B.V.AS6013164

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

Allocations per year

20071
20081
20201

Delegation records per year (IPv4 blocks + IPv6 blocks + ASN records) still current in the RIR files. Last 3 years shown.

Download the ranges

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

Montserrat 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