Whois Lookup

Query registration info, expiration date, registrar and more for domain, IP or ASN

Example： google.com · baidu.com · github.com · 8.8.8.8 · 211.234.110.0/24 · AS13335
Registration Info
154.44.12.0/22
IP Range
154.44.0.0 - 154.44.15.255
CIDR
154.44.0.0/20
Network Name
COGENT
Country/Region
US
Abuse Contact
[email protected]
Registration Date
2025-07-02
Update Date
2025-08-06
Domain Status
Reassigned
Raw Whois Data
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#



# start

NetRange:       154.44.0.0 - 154.44.255.255
CIDR:           154.44.0.0/16
NetName:        COGENT-154-44-16
NetHandle:      NET-154-44-0-0-1
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/154.44.0.0



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:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-ARIN

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COGEN-ARIN

OrgNOCHandle: ZC108-ARIN
OrgNOCName:   Cogent Communications
OrgNOCPhone:  +1-877-875-4311 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZC108-ARIN

# end


# start

NetRange:       154.44.0.0 - 154.44.15.255
CIDR:           154.44.0.0/20
NetName:        NETLAB-CGNT-NET-6
NetHandle:      NET-154-44-0-0-2
Parent:         COGENT-154-44-16 (NET-154-44-0-0-1)
NetType:        Reallocated
OriginAS:       
Organization:   NetLab Global (HOSTH-5)
RegDate:        2024-05-01
Updated:        2024-05-01
Ref:            https://rdap.arin.net/registry/ip/154.44.0.0


OrgName:        NetLab Global
OrgId:          HOSTH-5
Address:        110 W 40TH ST STE200
City:           NEW YORK
StateProv:      NY
PostalCode:     10018
Country:        US
RegDate:        2022-02-26
Updated:        2025-07-30
Comment:        Geofeed https://ip-allocation.as979.net/geofeed.csv
Ref:            https://rdap.arin.net/registry/entity/HOSTH-5


OrgAbuseHandle: LIUFR3-ARIN
OrgAbuseName:   Liu, Frid 
OrgAbusePhone:  +1-213-674-6718 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LIUFR3-ARIN

OrgTechHandle: LEERI36-ARIN
OrgTechName:   Lee, Richard 
OrgTechPhone:  +1-213-674-6718 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/LEERI36-ARIN

# end


# start

NetRange:       154.44.0.0 - 154.44.15.255
CIDR:           154.44.0.0/20
NetName:        COGENT
NetHandle:      NET-154-44-0-0-3
Parent:         NETLAB-CGNT-NET-6 (NET-154-44-0-0-2)
NetType:        Reassigned
OriginAS:       
Customer:       PSINet, Inc. (C11261059)
RegDate:        2025-07-02
Updated:        2025-08-06
Ref:            https://rdap.arin.net/registry/ip/154.44.0.0


CustName:       PSINet, Inc.
Address:        900 N Alameda ST
City:           Los Angeles
StateProv:      CA
PostalCode:     90014
Country:        US
RegDate:        2025-07-02
Updated:        2025-07-02
Ref:            https://rdap.arin.net/registry/entity/C11261059

OrgAbuseHandle: LIUFR3-ARIN
OrgAbuseName:   Liu, Frid 
OrgAbusePhone:  +1-213-674-6718 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LIUFR3-ARIN

OrgTechHandle: LEERI36-ARIN
OrgTechName:   Lee, Richard 
OrgTechPhone:  +1-213-674-6718 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/LEERI36-ARIN

# end



#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#