IP Judge ipjudge.org

Vultr IPs: regions and AI availability

From Vultr’s official IP range list (synced 2026-09-30 02:58 UTC+8): Vultr has addresses in 38 regions across 20 countries — 445 IPv4 prefixes, about 1,041,664 addresses, plus 55 IPv6 prefixes.

Every region is on both ChatGPT’s and Claude’s supported lists.

AI availability by country from the three official region lists

Country / regionRegionsIPv4 addressesChatGPTClaudeGemini
United States14473,344✓✓✓
Japan2118,784✓✓✓
Singapore165,536✓✓✓
United Kingdom260,928✓✓✓
Netherlands146,080✓✓✓
Germany143,776✓✓✓
Australia240,960✓✓✓
India336,864✓✓✓
South Korea132,768✓✓✓
France125,088✓✓✓
Canada117,408✓✓✓
Mexico112,288✓✓✓
Sweden112,288✓✓✓
Brazil110,240✓✓✓
Spain19,472✓✓✓
Chile18,192✓✓✓
Israel18,192✓✓✓
Poland18,192✓✓✓
South Africa18,192✓✓✓
Italy13,072✓✓✓

IP ranges by region sorted by address count

CityLocationIPv4 prefixesAddressesExamples
PiscatawayUnited States59165,632108.61.0.0/18 108.61.128.0/19
Shinagawa-kuJapan42108,544167.179.64.0/18 45.32.32.0/19
SingaporeSingapore1765,536139.180.128.0/19 149.28.128.0/19
Los AngelesUnited States2660,160149.248.0.0/19 149.28.64.0/19
LondonUnited Kingdom2354,78478.141.224.0/19 136.244.64.0/20
Elk Grove VillageUnited States3849,664144.202.48.0/20 149.28.112.0/20
AtlantaUnited States2346,592155.138.192.0/19 144.202.16.0/20
AmsterdamNetherlands3146,080136.244.96.0/20 192.248.128.0/20
FrankfurtGermany2643,776136.244.80.0/20 192.248.176.0/20
MiamiUnited States2140,704144.202.32.0/20 149.28.96.0/20
DallasUnited States2834,048144.202.64.0/20 149.28.240.0/20
AlexandriaAustralia1832,768149.28.160.0/19 139.180.160.0/20
SeoulSouth Korea332,768158.247.192.0/18 141.164.32.0/19
Santa ClaraUnited States1132,768149.28.192.0/19 144.202.96.0/20
KentUnited States1430,208137.220.32.0/20 144.202.80.0/20
AUBERVILLIERSFrance1825,088136.244.112.0/20 217.69.0.0/20
BangaloreIndia320,480139.84.128.0/19 64.176.96.0/19
TorontoCanada417,408155.138.128.0/19 149.248.48.0/20
Santiago de QueretaroMexico212,288216.238.64.0/19 64.177.80.0/20
SpangaSweden212,28870.34.192.0/19 65.20.112.0/20
OsascoBrazil210,240216.238.96.0/19 216.128.168.0/21
OsakaJapan210,24064.176.32.0/19 66.245.216.0/21
MadridSpain59,47265.20.96.0/20 208.85.16.0/21
Port MelbourneAustralia28,192139.84.192.0/20 67.219.96.0/20
SantiagoChile18,19264.176.0.0/19
Rosh HaAyinIsrael28,19264.176.160.0/20 64.177.64.0/20
MumbaiIndia18,19265.20.64.0/19
NoidaIndia18,192139.84.160.0/19
WarsawPoland28,19264.176.64.0/20 70.34.240.0/20
Isando GautengSouth Africa18,192139.84.224.0/19
SwintonUnited Kingdom26,14464.176.176.0/20 66.245.192.0/21
SpringfieldUnited States14,09664.177.96.0/20
Maryland HeightsUnited States53,328216.128.160.0/21 66.245.208.0/23
MilanItaly23,07266.245.200.0/21 66.245.212.0/22
HonoluluUnited States23,072208.83.232.0/21 208.72.152.0/22
EaganUnited States12,04864.177.0.0/21
Lithia SpringsUnited States3768192.0.2.0/24 198.51.100.0/24
ChicagoUnited States1256173.199.68.0/24

Networks (ASN)

AS20473
AS-VULTR - The Constant Company, LLC
1751 IPv4 prefixes, ~1,473,792 addresses · registered in United States

Using Vultr IPs with AI platforms

All Vultr addresses are datacenter IPs, and IP Judge labels them as such. ChatGPT and Claude don’t reject datacenter IPs outright, but an IP shared by many users, or listed as a proxy / VPN, runs into CAPTCHAs, phone verification and risk prompts more often.

Availability follows the location the platform sees for your IP. The region in the official list usually matches geolocation databases, but newly assigned ranges can take weeks to update. After launching a server, run the check on the home page to see the exit and region ChatGPT and Claude actually see. Scoring rules are on Method.

Other providers

AWSGoogle CloudOracle CloudAzureDigitalOceanLinodeHetznerOVHcloudAlibaba CloudTencent CloudCloudflareDMITBandwagonHost

Sources: Vultr official geofeed (RFC 8805), RIPEstat routing data, OpenAI / Anthropic / Google official region lists, and IP Judge’s own lookups. Lists are synced daily.