ARIN’s Region
ARIN’s geographical service area includes all of the countries in the list below. The links on the right provide a list of the countries within each Regional Internet Registry’s region, and a map is available below showing all regions.
Complete List of Countries in the ARIN Region
by sector
Canada Sector
Country |
A 2 |
A 3 |
CANADA |
CA |
CAN |
Caribbean and North Atlantic Islands Sector
Country |
A 2 |
A 3 |
ANGUILLA |
AI |
AIA |
ANTIGUA AND BARBUDA |
AG |
ATG |
BAHAMAS |
BS |
BHS |
BARBADOS |
BB |
BRB |
BERMUDA |
BM |
BMU |
CAYMAN ISLANDS |
KY |
CYM |
DOMINICA |
DM |
DMA |
GRENADA |
GD |
GRD |
GUADELOUPE |
GP |
GLP |
JAMAICA |
JM |
JAM |
MARTINIQUE |
MQ |
MTQ |
MONTSERRAT |
MS |
MSR |
SAINT BARTHELEMY |
BL |
BLM |
SAINT KITTS AND NEVIS |
KN |
KNA |
SAINT LUCIA |
LC |
LCA |
ST. PIERRE AND MIQUELON |
PM |
SPM |
SAINT VINCENT AND THE GRENADINES |
VC |
VCT |
ST. MARTIN |
MF |
MAF |
TURKS AND CAICOS ISLANDS |
TC |
TCA |
VIRGIN ISLANDS (BRITISH) |
VG |
VGB |
United States Sector
Country |
A 2 |
A 3 |
UNITED STATES |
US |
USA |
PUERTO RICO |
PR |
PRI |
VIRGIN ISLANDS (U.S.) |
VI |
VIR |
UNITED STATES MINOR OUTLYING ISLANDS |
UM |
UMI |
Outlying Areas Sector
Country |
A 2 |
A 3 |
ANTARCTICA |
AQ |
ATA |
BOUVET ISLAND |
BV |
BVT |
HEARD AND MCDONALD ISLANDS |
HM |
HMD |
ST. HELENA |
SH |
SHN |
Regional Internet Registry Regions
Regional Internet Registries (RIRs) are nonprofit corporations that administer and register Internet Protocol (IP) address space and Autonomous System (AS) numbers within a defined region. RIRs also work together on joint projects.
