IP: 128.138.41.154 United States Location: Boulder, Colorado, United States
City:
Boulder
Region:
Colorado
Country:
United States
Postal Code:
80310
Latitude:
40.0128
Longitude:
-105.2759
NetRange: 128.138.0.0 - 128.138.255.255
CIDR: 128.138.0.0/16
NetName: COLORADO
NetHandle: NET-128-138-0-0-1
Parent: NET128 (NET-128-0-0-0-0)
NetType: Direct Allocation
OriginAS: AS104
Organization: University of Colorado (UNIVER-24)
RegDate: 1986-07-14
Updated: 2021-12-14
Ref: https://rdap.arin.net/registry/ip/128.138.0.0

OrgName: University of Colorado
OrgId: UNIVER-24
Address: Office of Information Technology
Address: 3645 Marine Street
City: Boulder
StateProv: CO
PostalCode: 80309-0455
Country: US
RegDate: 1986-03-11
Updated: 2019-06-25
Ref: https://rdap.arin.net/registry/entity/UNIVER-24

OrgAbuseHandle: ABUSE306-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-303-735-4357
OrgAbuseEmail: abuse@colorado.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE306-ARIN

OrgTechHandle: CUBOU-ARIN
OrgTechName: CUBoulder
OrgTechPhone: +1-303-735-4357
OrgTechEmail: arinadmin@colorado.edu
OrgTechRef: https://rdap.arin.net/registry/entity/CUBOU-ARIN

RTechHandle: CUBOU-ARIN
RTechName: CUBoulder
RTechPhone: +1-303-735-4357
RTechEmail: arinadmin@colorado.edu
RTechRef: https://rdap.arin.net/registry/entity/CUBOU-ARIN

RAbuseHandle: ABUSE306-ARIN
RAbuseName: Abuse
RAbusePhone: +1-303-735-4357
RAbuseEmail: abuse@colorado.edu
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE306-ARIN
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DNSBL* - is a list of IP addresses published through the Internet Domain Name Service (DNS) either as a zone file that can be used by DNS server software, or as a live DNS zone that can be queried in real-time. DNSBLs are most often used to publish the addresses of computers or networks linked to spamming; most mail server software can be configured to reject or flag messages which have been sent from a site listed on one or more such lists.

WHOIS** - is a query/response protocol that is widely used for querying databases in order to determine the registrant or assignee of Internet resources, such as a domain name, an IP address block, or an autonomous system number. WHOIS lookups were traditionally performed with a command line interface application, and network administrators predominantly still use this method, but many simplified web-based tools exist. WHOIS services are typically communicated using the Transmission Control Protocol (TCP). Servers listen to requests on the well-known port number 43.

** Approximate Geographic Location - This is NOT the exact geographical location of the person/organization with the given IP address. However, this should still give you a good idea about the area/region where this person/orgranization is located.