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
38.148.4.0/22
IP Range
38.148.0.0 - 38.148.127.255
CIDR
38.148.0.0/17
Network Name
SUMOFIBER-NET-38-148-0-0-1
Organization
Sumofiber (CL-64)
Country/Region
US
Abuse Contact
[email protected]
Registration Date
2023-04-06
Update Date
2025-05-07
Registrant
Sumofiber (CL-64)
Domain Status
Reallocated
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:       38.0.0.0 - 38.255.255.255
CIDR:           38.0.0.0/8
NetName:        COGENT-A
NetHandle:      NET-38-0-0-0-1
Parent:          ()
NetType:        Direct Allocation
OriginAS:       
Organization:   Cogent Communications, LLC (COGC)
RegDate:        1991-04-16
Updated:        2025-09-23
Ref:            https://rdap.arin.net/registry/ip/38.0.0.0



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:       38.148.0.0 - 38.148.127.255
CIDR:           38.148.0.0/17
NetName:        SUMOFIBER-NET-38-148-0-0-1
NetHandle:      NET-38-148-0-0-1
Parent:         COGENT-A (NET-38-0-0-0-1)
NetType:        Reallocated
OriginAS:       
Organization:   Sumofiber (CL-64)
RegDate:        2023-04-06
Updated:        2025-05-07
Comment:        Please use the [email protected] email address for all complaints regarding UCE (spam), copyright violations,  security intrusions, and other suspected network abuse sourcing from SUMOFIBER networks. DO NOT COPY your complaint to any other ARIN SUMOFIBER POC's or email addresses on the SUMOFIBER network. Failure to comply with this statement will result in your complaint being ignored.
Ref:            https://rdap.arin.net/registry/ip/38.148.0.0


OrgName:        Sumofiber
OrgId:          CL-64
Address:        505 w 2600 s
City:           Bountiful
StateProv:      UT
PostalCode:     84010
Country:        US
RegDate:        2011-12-16
Updated:        2025-02-12
Comment:        Geofeed https://as4226.com/geofeed.csv
Ref:            https://rdap.arin.net/registry/entity/CL-64


OrgAbuseHandle: ABUSE9078-ARIN
OrgAbuseName:   ABUSE
OrgAbusePhone:  +1-801-320-1000 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9078-ARIN

OrgTechHandle: APC16-ARIN
OrgTechName:   Arin Point of Contact
OrgTechPhone:  +1-801-889-8637 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/APC16-ARIN

OrgNOCHandle: APC16-ARIN
OrgNOCName:   Arin Point of Contact
OrgNOCPhone:  +1-801-889-8637 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/APC16-ARIN

RNOCHandle: APC16-ARIN
RNOCName:   Arin Point of Contact
RNOCPhone:  +1-801-889-8637 
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/APC16-ARIN

RTechHandle: APC16-ARIN
RTechName:   Arin Point of Contact
RTechPhone:  +1-801-889-8637 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/APC16-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.
#