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
198.100.16.0/24
IP Range
198.100.16.0 - 198.100.16.255
CIDR
198.100.16.0/24
Network Name
CMSU-ISP1
Country/Region
US
Abuse Contact
[email protected]
Registration Date
1993-03-19
Update Date
2026-02-18
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:       198.100.16.0 - 198.100.21.255
CIDR:           198.100.20.0/23, 198.100.16.0/22
NetName:        NETBLK-CMSU
NetHandle:      NET-198-100-16-0-1
Parent:         NET198 (NET-198-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Canon Medical Systems USA, Inc. (TAMS)
RegDate:        1993-03-19
Updated:        2025-09-04
Ref:            https://rdap.arin.net/registry/ip/198.100.16.0


OrgName:        Canon Medical Systems USA, Inc.
OrgId:          TAMS
Address:        1 Marconi, Suite A
City:           Irvine
StateProv:      CA
PostalCode:     92618
Country:        US
RegDate:        1993-03-19
Updated:        2026-05-05
Ref:            https://rdap.arin.net/registry/entity/TAMS


OrgRoutingHandle: COREG3-ARIN
OrgRoutingName:   group, Core -
OrgRoutingPhone:  +1-714-552-1630 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/COREG3-ARIN

OrgTechHandle: COREG3-ARIN
OrgTechName:   group, Core -
OrgTechPhone:  +1-714-552-1630 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/COREG3-ARIN

OrgAbuseHandle: COREG3-ARIN
OrgAbuseName:   group, Core -
OrgAbusePhone:  +1-714-552-1630 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COREG3-ARIN

RTechHandle: TALEB10-ARIN
RTechName:   TALEBI, FRANK 
RTechPhone:  +1-714-552-1630 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/TALEB10-ARIN

RTechHandle: COREG3-ARIN
RTechName:   group, Core -
RTechPhone:  +1-714-552-1630 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/COREG3-ARIN

# end


# start

NetRange:       198.100.16.0 - 198.100.16.255
CIDR:           198.100.16.0/24
NetName:        CMSU-ISP1
NetHandle:      NET-198-100-16-0-2
Parent:         NETBLK-CMSU (NET-198-100-16-0-1)
NetType:        Reassigned
OriginAS:       
Customer:       Canon Medical Systems (C00001845)
RegDate:        1993-03-19
Updated:        2026-02-18
Ref:            https://rdap.arin.net/registry/ip/198.100.16.0


CustName:       Canon Medical Systems
Address:        2441 Michele Drive
City:           Tustin
StateProv:      CA
PostalCode:     92680
Country:        US
RegDate:        1993-03-19
Updated:        2026-02-18
Ref:            https://rdap.arin.net/registry/entity/C00001845

OrgRoutingHandle: COREG3-ARIN
OrgRoutingName:   group, Core -
OrgRoutingPhone:  +1-714-552-1630 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/COREG3-ARIN

OrgTechHandle: COREG3-ARIN
OrgTechName:   group, Core -
OrgTechPhone:  +1-714-552-1630 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/COREG3-ARIN

OrgAbuseHandle: COREG3-ARIN
OrgAbuseName:   group, Core -
OrgAbusePhone:  +1-714-552-1630 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COREG3-ARIN

RTechHandle: TALEB10-ARIN
RTechName:   TALEBI, FRANK 
RTechPhone:  +1-714-552-1630 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/TALEB10-ARIN

RTechHandle: COREG3-ARIN
RTechName:   group, Core -
RTechPhone:  +1-714-552-1630 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/COREG3-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.
#