Our Region
ARIN’s Region
ARIN’s service area includes all of the countries or geographical areas in the list below. The links on the right provide a list of the countries or geographical areas within each Regional Internet Registry’s region, and a map is available below showing all regions.
Complete List of Countries or Geographical Areas in the ARIN Region
| Country / Geographical Area | A 2 | A 3 |
|---|---|---|
| Anguilla | AI | AIA |
| Antarctica | AQ | ATA |
| Antigua and Barbuda | AG | ATG |
| Bahamas | BS | BHS |
| Barbados | BB | BRB |
| Bermuda | BM | BMU |
| Bouvet Island | BV | BVT |
| Canada | CA | CAN |
| Cayman Islands | KY | CYM |
| Dominica | DM | DMA |
| Grenada | GD | GRD |
| Guadeloupe | GP | GLP |
| Heard and McDonald Islands | HM | HMD |
| Jamaica | JM | JAM |
| Martinique | MQ | MTQ |
| Montserrat | MS | MSR |
| Puerto Rico | PR | PRI |
| Saint Barthelemy | BL | BLM |
| Saint Helena | SH | SHN |
| Saint Kitts and Nevis | KN | KNA |
| Saint Lucia | LC | LCA |
| Saint Pierre and Miquelon | PM | SPM |
| Saint Vincent and The Grenadines | VC | VCT |
| Saint Martin | MF | MAF |
| Turks and Caicos Islands | TC | TCA |
| United States | US | USA |
| United States Minor Outlying Islands | UM | UMI |
| Virgin Islands (British) | VG | VGB |
| Virgin Islands (U.S.) | VI | VIR |
Regional Internet Registry Regions
Regional Internet Registries (RIRs) are nonprofit corporations that administer and issue Internet Protocol (IP) address space and Autonomous System (AS) numbers within a defined region. RIRs also work together on joint projects.
- AFRINIC: Africa, portions of the Indian Ocean
- APNIC: Portions of Asia, portions of Oceania
- ARIN: Canada, many Caribbean and North Atlantic islands, and the United States
- LACNIC: Latin America, portions of the Caribbean
- RIPE NCC: Europe, the Middle East, Central Asia