204.181.156.55 - IP in United States, Boulder - Comments and Complaints

IP: 204.181.156.55

Location: Boulder, Colorado, United States

IP:

204.181.156.55 note

note

City:

Boulder

Region:

Colorado

Country:

United States

Postal Code:

80310

B Class:

204.181.0.0 - 204.181.255.255

Latitude:

40.0128

Longitude:

-105.2759

Whois** information (click to hide)

NetRange: 204.180.0.0 - 204.183.255.255
CIDR: 204.180.0.0/14
NetName: SPRINT-BLKC
NetHandle: NET-204-180-0-0-1
Parent: NET204 (NET-204-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Sprint (SPRN-Z)
RegDate: 1994-10-18
Updated: 2020-12-29
Comment: ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE
Ref: https://rdap.arin.net/registry/ip/204.180.0.0

OrgName: Sprint
OrgId: SPRN-Z
Address: 198 Van Buren St
City: Herndon
StateProv: VA
PostalCode: 20170
Country: US
RegDate: 2020-11-16
Updated: 2023-09-15
Comment: For abuse issues please
Comment: send email to abuse@cogentco.com
Comment:
Comment: Law Enforcement requests should call the Corporate Security Hotline at
Comment: 800-877-7330, option 3
Ref: https://rdap.arin.net/registry/entity/SPRN-Z

OrgTechHandle: CHUYI-ARIN
OrgTechName: Chu, Yi
OrgTechPhone: +1-571-250-6511
OrgTechEmail: ychu@cogentco.com
OrgTechRef: https://rdap.arin.net/registry/entity/CHUYI-ARIN

OrgTechHandle: SIE-ARIN
OrgTechName: Sprint IP Engineering
OrgTechPhone: +1-571-250-6511
OrgTechEmail: deipaddy@cogentco.com
OrgTechRef: https://rdap.arin.net/registry/entity/SIE-ARIN

OrgTechHandle: SWIS1-ARIN
OrgTechName: SprintLink Wireline IP Services
OrgTechPhone: +1-888-667-7771
OrgTechEmail: deipaddy@cogentco.com
OrgTechRef: https://rdap.arin.net/registry/entity/SWIS1-ARIN

OrgAbuseHandle: SWAET-ARIN
OrgAbuseName: SprintLink Wireline AUP Enforcement Team
OrgAbusePhone: +1-800-232-6895
OrgAbuseEmail: abuse@cogentco.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/SWAET-ARIN

OrgTechHandle: FIUMA2-ARIN
OrgTechName: Fiumano, Michael
OrgTechPhone: +1-703-598-2434
OrgTechEmail: mfiumano@cogentco.com
OrgTechRef: https://rdap.arin.net/registry/entity/FIUMA2-ARIN

OrgTechHandle: IPALL-ARIN
OrgTechName: IP Allocation
OrgTechPhone: +1-877-875-4311
OrgTechEmail: ipalloc@cogentco.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-ARIN

RTechHandle: SPRINT-NOC-ARIN
RTechName: IP Services
RTechPhone: +1-800-232-6895
RTechEmail: ipsa.noc@sprint.com
RTechRef: https://rdap.arin.net/registry/entity/SPRINT-NOC-ARIN

NetRange: 204.181.152.0 - 204.181.159.255
CIDR: 204.181.152.0/21
NetName: SPRINT-CCB59F
NetHandle: NET-204-181-152-0-1
Parent: SPRINT-BLKC (NET-204-180-0-0-1)
NetType: Reassigned
OriginAS: AS3364
Organization: Computer Systems Design Company (CSD)
RegDate: 1994-12-20
Updated: 2014-08-18
Ref: https://rdap.arin.net/registry/ip/204.181.152.0

OrgName: Computer Systems Design Company
OrgId: CSD
Address: 735 Highland Avenue
City: Boulder
StateProv: CO
PostalCode: 80302
Country: US
RegDate: 1994-12-20
Updated: 2024-11-04
Ref: https://rdap.arin.net/registry/entity/CSD

OrgTechHandle: JN24-ARIN
OrgTechName: Nebel, John
OrgTechPhone: +1-303-447-8025
OrgTechEmail: domains@csdco.com
OrgTechRef: https://rdap.arin.net/registry/entity/JN24-ARIN

OrgNOCHandle: JN20-ARIN
OrgNOCName: Nebel, John
OrgNOCPhone: +1-303-447-8025
OrgNOCEmail: domains@csdco.com
OrgNOCRef: https://rdap.arin.net/registry/entity/JN20-ARIN

OrgAbuseHandle: JN20-ARIN
OrgAbuseName: Nebel, John
OrgAbusePhone: +1-303-447-8025
OrgAbuseEmail: domains@csdco.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/JN20-ARIN

RAbuseHandle: JN24-ARIN
RAbuseName: Nebel, John
RAbusePhone: +1-303-447-8025
RAbuseEmail: domains@csdco.com
RAbuseRef: https://rdap.arin.net/registry/entity/JN24-ARIN

RTechHandle: JN24-ARIN
RTechName: Nebel, John
RTechPhone: +1-303-447-8025
RTechEmail: domains@csdco.com
RTechRef: https://rdap.arin.net/registry/entity/JN24-ARIN

RNOCHandle: JN24-ARIN
RNOCName: Nebel, John
RNOCPhone: +1-303-447-8025
RNOCEmail: domains@csdco.com
RNOCRef: https://rdap.arin.net/registry/entity/JN24-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.