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
192.243.87.0/24
IP Range
192.243.87.0 - 192.243.87.255
CIDR
192.243.87.0/24
Network Name
AZURE-SOUTH-CENTRAL-US
Country/Region
US
Abuse Contact
[email protected]
Registration Date
2023-09-28
Update Date
2023-10-05
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:       192.243.80.0 - 192.243.95.255
CIDR:           192.243.80.0/20
NetName:        MGEHL-NET-BLOCK-01
NetHandle:      NET-192-243-80-0-1
Parent:         NET192 (NET-192-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   McGraw-Hill Education (MGEHL)
RegDate:        2013-07-25
Updated:        2026-06-18
Comment:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
Ref:            https://rdap.arin.net/registry/ip/192.243.80.0


OrgName:        McGraw-Hill Education
OrgId:          MGEHL
Address:        1325 6th ave
City:           New York
StateProv:      NY
PostalCode:     10019
Country:        US
RegDate:        2013-06-07
Updated:        2025-08-27
Ref:            https://rdap.arin.net/registry/entity/MGEHL


OrgTechHandle: KONUJ1-ARIN
OrgTechName:   Konujeti, Dinesh 
OrgTechPhone:  +1-732-485-0165 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/KONUJ1-ARIN

OrgTechHandle: WANGA38-ARIN
OrgTechName:   Wang, Adam 
OrgTechPhone:  +1-732-284-8394 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/WANGA38-ARIN

OrgNOCHandle: MHENE-ARIN
OrgNOCName:   MHE-Network
OrgNOCPhone:  +1-732-485-0165 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/MHENE-ARIN

OrgAbuseHandle: MAOC-ARIN
OrgAbuseName:   MHE Abuse Operations Center
OrgAbusePhone:  +1-617-859-6003 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MAOC-ARIN

RNOCHandle: MNOC10-ARIN
RNOCName:   MHE Network Operations Center
RNOCPhone:  +1-800-338-3987 
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/MNOC10-ARIN

RAbuseHandle: MAOC-ARIN
RAbuseName:   MHE Abuse Operations Center
RAbusePhone:  +1-617-859-6003 
RAbuseEmail:  [email protected]
RAbuseRef:    https://rdap.arin.net/registry/entity/MAOC-ARIN

# end


# start

NetRange:       192.243.87.0 - 192.243.87.255
CIDR:           192.243.87.0/24
NetName:        AZURE-SOUTH-CENTRAL-US
NetHandle:      NET-192-243-87-0-1
Parent:         MGEHL-NET-BLOCK-01 (NET-192-243-80-0-1)
NetType:        Reassigned
OriginAS:       
Customer:       Private Customer (C10207186)
RegDate:        2023-09-28
Updated:        2023-10-05
Comment:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
Ref:            https://rdap.arin.net/registry/ip/192.243.87.0


CustName:       Private Customer
Address:        Private Residence
City:           Redmond
StateProv:      WA
PostalCode:     98052
Country:        US
RegDate:        2023-09-28
Updated:        2023-09-28
Ref:            https://rdap.arin.net/registry/entity/C10207186

OrgTechHandle: KONUJ1-ARIN
OrgTechName:   Konujeti, Dinesh 
OrgTechPhone:  +1-732-485-0165 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/KONUJ1-ARIN

OrgTechHandle: WANGA38-ARIN
OrgTechName:   Wang, Adam 
OrgTechPhone:  +1-732-284-8394 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/WANGA38-ARIN

OrgNOCHandle: MHENE-ARIN
OrgNOCName:   MHE-Network
OrgNOCPhone:  +1-732-485-0165 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/MHENE-ARIN

OrgAbuseHandle: MAOC-ARIN
OrgAbuseName:   MHE Abuse Operations Center
OrgAbusePhone:  +1-617-859-6003 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MAOC-ARIN

RNOCHandle: MNOC10-ARIN
RNOCName:   MHE Network Operations Center
RNOCPhone:  +1-800-338-3987 
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/MNOC10-ARIN

RAbuseHandle: MAOC-ARIN
RAbuseName:   MHE Abuse Operations Center
RAbusePhone:  +1-617-859-6003 
RAbuseEmail:  [email protected]
RAbuseRef:    https://rdap.arin.net/registry/entity/MAOC-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.
#