IP subnet details

154.21.216.0/24

AS174  — Cogent Communications, LLC

Summary

Country
US United States
Domain cogentco.com
Size 256
IP Range
154.21.216.0 – 154.21.216.255 Convert CIDR to IP range
Registry ARIN
Network Name COGENT-154-21-16

Whois

NetRange: 154.21.0.0 - 154.21.255.255
CIDR: 154.21.0.0/16
NetName: COGENT-154-21-16
NetHandle: NET-154-21-0-0-1
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/154.21.0.0



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-ARIN

CIDR IP address subranges within 154.21.216.0/24 subnet

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