GU

Guam holds 218,624 IPv4 addresses from APNIC and ARIN.

Short answer

Regional registries have allocated 218,624 IPv4 addresses in 29 blocks, 11 IPv6 blocks and 10 network numbers to organisations in Guam, the first on 17 Mar 1992. By DB-IP’s count the largest network here is Kuentos Communications, Inc. (AS3605).

RegistryAPNIC, ARIN
IPv4 allocated (RIR)218,624
IPv4 blocks29
IPv6 blocks11 (8 /32s of space)
Network numbers (ASNs)10
First / latest allocation17 Mar 1992 / 7 May 2024
IPv4 placed here by DB-IP251,111
DB-IP ranges (IPv4 / IPv6)77 / 72

Registered here vs used here

The RIR count is what was allocated to organisations registered in Guam; DB-IP’s count is where it estimates addresses are used. DB-IP places 32,487 more IPv4 addresses in Guam than were allocated here, which happens when networks registered elsewhere (cloud providers, multinationals) operate in the country.

Largest networks by IPv4 space in Guam

NetworkASNIPv4 in GU
Kuentos Communications, Inc.AS360590,112
UNIVERSITY OF GUAMAS39540065,792
PTI Pacifica Inc.AS713137,120
TeleGuam HoldingsAS924636,864
Pacific Data SystemsAS174564,096
Verizon BusinessAS7033,584
Fifth Third Bank, National AssociationAS195242,048
Verizon BusinessAS7011,776
GUAMCELL CommunicationsAS219961,246
Guam Community CollegeAS562001,024
Space Exploration Technologies CorporationAS14593768
Akamai Technologies, Inc.AS36183768
TATA COMMUNICATIONS (AMERICA) INCAS6453640
ZSCALER, INC.AS53813512
Datacamp LimitedAS212238512

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

Allocations per year

20081
20109
20114
20122
20132
20142
20151
20163
20172
20183
20211
20243

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

Guam ranges (CSV)

Sources

  1. NRO RIR delegated-extended statistics · checked 6 Nov 2026
  2. DB-IP IP to Country Lite (CC BY 4.0) · checked 3 Nov 2026