Summary
| Country |
 United States
|
| Domain | cogentco.com |
| Size | 256 |
| IP Range |
154.56.243.0 – 154.56.243.255
Convert CIDR to IP range
|
| Registry | ARIN |
| Network Name | COGENT-154-56-16 |
Whois
NetRange: 154.56.0.0 - 154.56.255.255
CIDR: 154.56.0.0/16
NetName: COGENT-154-56-16
NetHandle: NET-154-56-0-0-1
Parent: NET154 (NET-154-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Cogent Communications, LLC (COGC)
RegDate: 1992-02-05
Updated: 2025-09-23
Ref: https://rdap.arin.net/registry/ip/154.56.0.0
OrgName: Cogent Communications, LLC
OrgId: COGC
Address: 2450 N Street NW
City: Washington
StateProv: DC
PostalCode: 20037
Country: US
RegDate: 2000-05-30
Updated: 2025-09-23
Comment: Geofeed https://geofeed.cogentco.com/geofeed.csv
Ref: https://rdap.arin.net/registry/entity/COGC
ReferralServer: rwhois://rwhois.cogentco.com:4321
OrgTechHandle: IPALL-ARIN
OrgTechName: IP Allocation
OrgTechPhone: +1-877-875-4311
OrgTechEmail: ipalloc@cogentco.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-ARIN
OrgAbuseHandle: COGEN-ARIN
OrgAbuseName: Cogent Abuse
OrgAbusePhone: +1-877-875-4311
OrgAbuseEmail: abuse@cogentco.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/COGEN-ARIN
OrgNOCHandle: ZC108-ARIN
OrgNOCName: Cogent Communications
OrgNOCPhone: +1-877-875-4311
OrgNOCEmail: noc@cogentco.com
OrgNOCRef: https://rdap.arin.net/registry/entity/ZC108-ARINCIDR IP address subranges within 154.56.243.0/24 subnet
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