IP address details for 128.103.231.103

128.103.231.103
Brighton, Massachusetts, United States

Summary

ASN
AS1742 — Harvard University
Range
128.103.0.0/16
Company
Harvard University
Country
United States (US)
Privacy
None
IP Type
IPv4
Abuse contact

Geolocation

City
Brighton
Region
Massachusetts
Country
United States (US)
Continent
North America
Postal Code
02135
Timezone
America/New_York
Coordinates
42.3501, -71.15644

IP address geolocation is the identification of the physical location of an IP address.

Privacy & threat intelligence

VPN
Proxy
Tor
Abuser
iCloud Relay
Anonymous

Privacy data determines if an IP address is likely to be a VPN, proxy, or Tor exit node, or is a known spammer or abuser.

Privacy data is sourced from a combination of public databases and our own proprietary detection systems.

Privacy Data API

Company

Harvard University
Domain
harvard.edu
Country
US
Type
education

Company data provides information on the organization that owns an IP address. For business IPs, this can include the company name, domain, type of business, and more.

Company Data API

ASN & Abuse Contact

AS1742 — HARVARD-UNIV
Route
128.103.0.0/16
Domain
harvard.edu
Network Type
education
Abuse contact
Harvard University
+1-617-495-9205

An Autonomous System Number (ASN) is a unique identifier assigned to a network or a collection of networks that are all managed, controlled, and supervised by a single entity or organization.

ASN and abuse contact data — used to report malicious activity — comes from Regional Internet Registries (RIRs).

ASN Data & Abuse Contact API

Our IP address tools

Explore all tools

What is my IP?

Discover your public IP address and detailed information about your connection.

CIDR to IP Range Converter (IPv4 and IPv6)

Convert CIDR notation to IP address ranges and vice versa. Useful for network configuration and security.

IP to Hostname/rDNS Lookup

Perform a reverse DNS (rDNS) lookup to get the hostname for an IP address.

IPv6 Expander/Collapser

Expand or collapse IPv6 addresses to their full or shortened forms for better readability and usage.