IP address 128.171.100.157

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Overview

LocationCity, region and country where this IP is located.
Waimea, Hawaii, US
ASNThe autonomous system that announces this IP on the internet.
AS6360 — University of Hawaii
TimezoneThe IANA time zone at this IP's location.
Pacific/Honolulu
NetworkThe routed network block (CIDR) that contains this IP.
128.171.100.0/24
CompanyThe organization this IP is assigned to.
University of Hawaii
Abuse contactWhere to report spam, attacks or other misuse from this IP.
netcontact@hawaii.edu

Reported location

Waimea

Hawaii, United States (US)

Powered byIP Geolocation API

City
Waimea
District / county
Hawaii County
State / province
Hawaii
Country
United States
Postal code
96743
Coordinates
20.02041, -155.66888

United States

20.02041, -155.66888

© OpenStreetMap

Threat score

0/100 Low risk

Powered byIP Security API

Flags detected

  • AnonymousTraffic from this IP hides its real origin (VPN, proxy or Tor).Not Detected
  • Known attackerThis IP has been seen in attacks such as brute force, scanning or exploits.Not Detected
  • SpamThis IP has been reported for sending spam.Not Detected
  • TorThis IP is a Tor exit node.Not Detected
  • ProxyThis IP is an open, public or commercial proxy.Not Detected
  • VPNThis IP belongs to a VPN service.Not Detected
  • BotAutomated traffic such as crawlers or scrapers comes from this IP.Not Detected
  • Cloud providerThis IP belongs to a cloud or hosting provider's data center.Not Detected
  • Residential proxyA home or mobile connection resold as a proxy exit.Not Detected
  • Corporate gatewayA shared egress gateway used by a company's network.Not Detected
  • RelayThis IP is a relay exit, such as iCloud Private Relay.Not Detected

No anonymity signals

This IP is not flagged as a VPN, proxy, relay, bot, cloud provider or corporate gateway.

Abuse contact

University of Hawaii

netcontact@hawaii.edu

Powered byIP Abuse Contact API

Name
University of Hawaii
Organization
University of Hawaii
Network
128.171.0.0/16
Country
US
Kind
group
Address
2520 Correa Road, Honolulu, HI, 96822, United States
Emails
netcontact@hawaii.edu
Phone numbers
+1 808-956-2393

Autonomous system

AS6360

University of Hawaii

Powered byASN Records

ASN
AS6360
Country
US
Domain
hawaii.edu
Regional registry
ARIN
Organization
University of Hawaii
Type
Education
Allocated on
1996-03-19

Organization

University of Hawaii

Associated company

University of Hawaii

EDUCATION · hawaii.edu

Powered byIP Geolocation API

Name
University of Hawaii
Type
Education
Domain
hawaii.edu

Network route

128.171.100.0/24

Powered byIP Geolocation API

Hostname
128.171.100.157
Route
128.171.100.0/24
Connection type
—
Anycast
no
CDN
no
CDN provider
—

Time zone

Pacific/Honolulu

2026-10-06 03:18

Powered byTime Zone API

Offset from UTC
-10.0
Standard time zone
Hawaii-Aleutian Standard Time
Standard abbreviation
HST
Daylight saving time
false
DST savings (hours)
0
Observing DST now
false
Waimea

United States

20.02041, -155.66888

User agent string

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

Powered byUser Agent API

  • BrowserClaudeBotver. 1.0
  • EngineClaudeBotver. 1.0
  • Operating systemCloud
  • DeviceRobotAnthropic ClaudeBot
  • ArchitectureUnknown
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Response 
{
  "ip" : "128.171.100.157",
  "hostname" : "128.171.100.157",
  "location" : {
    "district" : "Hawaii County",
    "city" : "Waimea",
    "locality" : "Waimea",
    "zipcode" : "96743",
    "latitude" : "20.02041",
    "longitude" : "-155.66888",
    "continent_code" : "NA",
    "continent_name" : "North America",
    "country_code2" : "US",
    "country_code3" : "USA",
    "country_name" : "United States",
    "country_name_official" : "United States of America",
    "country_capital" : "Washington, D.C.",
    "state_prov" : "Hawaii",
    "state_code" : "US-HI",
    "accuracy_radius" : "3.738",
    "confidence" : "high",
    "dma_code" : "744",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/us_64.png",
    "geoname_id" : "9964187",
    "country_emoji" : "🇺🇸"
  },
  "country_metadata" : {
    "tld" : ".us",
    "languages" : [ "en-US", "es-US", "haw", "fr" ],
    "calling_code" : "+1"
  },
  "network" : {
    "route" : "128.171.100.0/24",
    "connection_type" : "",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "USD",
    "name" : "US Dollar",
    "symbol" : "$"
  },
  "asn" : {
    "organization" : "University of Hawaii",
    "country" : "US",
    "type" : "EDUCATION",
    "domain" : "hawaii.edu",
    "rir" : "ARIN",
    "as_number" : "AS6360",
    "date_allocated" : "1996-03-19"
  },
  "company" : {
    "name" : "University of Hawaii",
    "type" : "EDUCATION",
    "domain" : "hawaii.edu"
  },
  "security" : {
    "threat_score" : 0,
    "is_tor" : false,
    "is_proxy" : false,
    "proxy_provider_names" : [ ],
    "proxy_confidence_score" : 0,
    "proxy_last_seen" : "",
    "is_residential_proxy" : false,
    "is_vpn" : false,
    "vpn_provider_names" : [ ],
    "vpn_confidence_score" : 0,
    "vpn_last_seen" : "",
    "is_relay" : false,
    "relay_provider_name" : "",
    "is_anonymous" : false,
    "is_known_attacker" : false,
    "is_bot" : false,
    "bot_confidence_score" : 0,
    "bot_operator_name" : "",
    "bot_type" : "",
    "is_known_good_bot" : false,
    "bot_last_seen" : "",
    "is_spam" : false,
    "is_cloud_provider" : false,
    "cloud_provider_name" : "",
    "is_corporate_gateway" : false,
    "corporate_gateway_type" : "",
    "corporate_gateway_provider_name" : ""
  },
  "abuse" : {
    "route" : "128.171.0.0/16",
    "country" : "US",
    "name" : "University of Hawaii",
    "organization" : "University of Hawaii",
    "kind" : "group",
    "address" : "2520 Correa Road, Honolulu, HI, 96822, United States",
    "emails" : [ "netcontact@hawaii.edu" ],
    "phone_numbers" : [ "+18089562393" ]
  },
  "time_zone" : {
    "name" : "Pacific/Honolulu",
    "offset" : -10.0,
    "offset_with_dst" : -10.0,
    "current_time" : "2026-10-06 03:18:40.917-1000",
    "current_time_unix" : 1.791292720917E9,
    "current_tz_abbreviation" : "HST",
    "current_tz_full_name" : "Hawaii-Aleutian Standard Time",
    "standard_tz_abbreviation" : "HST",
    "standard_tz_full_name" : "Hawaii-Aleutian Standard Time",
    "is_dst" : false,
    "dst_savings" : 0,
    "dst_exists" : false,
    "dst_tz_abbreviation" : "",
    "dst_tz_full_name" : "",
    "dst_start" : { },
    "dst_end" : { }
  },
  "user_agent" : {
    "user_agent_string" : "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)",
    "name" : "ClaudeBot",
    "type" : "Robot",
    "version" : "1.0",
    "version_major" : "1",
    "device" : {
      "name" : "Anthropic ClaudeBot",
      "type" : "Robot",
      "brand" : "Anthropic",
      "cpu" : "Unknown"
    },
    "engine" : {
      "name" : "ClaudeBot",
      "type" : "Robot",
      "version" : "1.0",
      "version_major" : "1"
    },
    "operating_system" : {
      "name" : "Cloud",
      "type" : "Cloud",
      "version" : "??",
      "build" : "??",
      "version_major" : "??"
    }
  }
}

Evaluation checklist

Behind the address

What the data tells you about 128.171.100.157.

Who operates 128.171.100.157?

University of Hawaii operates AS6360, the autonomous system announcing this address. The associated company is University of Hawaii; the reported network is 128.171.100.0/24.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when University of Hawaii reassigns the block, so treat Waimea as an estimate, not a fixed point.

View IP Location API

How do I report abuse?

The listed abuse contact is University of Hawaii. Include the source IP, timestamps with a timezone, and relevant logs so the contact can investigate.

View Abuse Contact API

For developers

The same data. One API request.

Add IP location, network, and security data to your application.

cURL 
curl --get 'https://api.ipgeolocation.io/v3/ipgeo' \
  --data-urlencode 'apiKey=YOUR_API_KEY' \
  --data-urlencode 'ip=128.171.100.157' \
  --data-urlencode 'include=*'
Response 
{ "ip": "128.171.100.157" }

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Frequently Asked Questions

The latest lookup maps 128.171.100.157 to Waimea, Hawaii, United States. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS6360 and company University of Hawaii. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 128.171.100.157 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 128.171.100.157 is Pacific/Honolulu. Teams commonly use this signal to localize timestamps, notifications, and fraud models.
IP intelligence is dynamic. Routing, ASN ownership, company names, and security posture can change over time, so this page should be treated as a point-in-time lookup for 128.171.100.157.
Use the JSON response on this page for testing, then move to production API workflows with structured fields for geolocation, network, ASN, security, abuse, and timezone data. Read documentation.