PR

Puerto Rico holds 875,264 IPv4 addresses from ARIN and RIPE NCC.

Short answer

Regional registries have allocated 875,264 IPv4 addresses in 271 blocks, 73 IPv6 blocks and 121 network numbers to organisations in Puerto Rico, the first on 19 Jul 1989. By DB-IP’s count the largest network here is Liberty Communications of Puerto Rico LLC (AS14638).

RegistryARIN, RIPE NCC
IPv4 allocated (RIR)875,264
IPv4 blocks271
IPv6 blocks73 (49 /32s of space)
Network numbers (ASNs)121
First / latest allocation19 Jul 1989 / 7 Oct 2026
IPv4 placed here by DB-IP1,319,999
DB-IP ranges (IPv4 / IPv6)551 / 287

Registered here vs used here

The RIR count is what was allocated to organisations registered in Puerto Rico; DB-IP’s count is where it estimates addresses are used. DB-IP places 444,735 more IPv4 addresses in Puerto Rico than were allocated here, which happens when networks registered elsewhere (cloud providers, multinationals) operate in the country.

Largest networks by IPv4 space in Puerto Rico

NetworkASNIPv4 in PR
Liberty Communications of Puerto Rico LLCAS14638330,542
DATACOM CARIBE, INC.AS10396272,778
Liberty Mobile Puerto Rico Inc.AS1199288,752
Interamerican University of Puerto RicoAS1664965,792
University of Puerto RicoAS578665,536
Amazon.com, Inc.AS1650933,024
OSNET WirelessAS2155930,464
WorldNet Telecommunications, LLCAS1136721,760
Aeronet WirelessAS1497919,200
DM Wireless LLCAS5376417,920
Critical Hub NetworksAS2311417,407
CoreSiteAS273416,384
Nustream CommunicationsAS1889513,568
Verizon BusinessAS70112,920
AT&T Enterprises, LLCAS70189,228

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

Allocations per year

201512
201612
201718
201825
201935
202026
202136
202226
202313
202427
202522
202613

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 Puerto Rico, as CSV. The file carries DB-IP’s attribution, which you must keep if you republish it.

Puerto Rico 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