# # 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 1997-2025, American Registry for Internet Numbers, Ltd. # 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: AS62575 Organization: McGraw-Hill Education (MGEHL) RegDate: 2013-07-25 Updated: 2025-04-08 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: 2025-03-12 Ref: https://rdap.arin.net/registry/entity/MGEHL OrgNOCHandle: MNOC10-ARIN OrgNOCName: MHE Network Operations Center OrgNOCPhone: +1-617-859-6003 OrgNOCEmail: noc@mheducation.com OrgNOCRef: https://rdap.arin.net/registry/entity/MNOC10-ARIN OrgAbuseHandle: MAOC-ARIN OrgAbuseName: MHE Abuse Operations Center OrgAbusePhone: +1-617-859-6003 OrgAbuseEmail: abuse@mheducation.com OrgAbuseRef: https://rdap.arin.net/registry/entity/MAOC-ARIN OrgTechHandle: KONUJ1-ARIN OrgTechName: Konujeti, Dinesh OrgTechPhone: +1-732-485-0165 OrgTechEmail: dinesh.konujeti@mheducation.com OrgTechRef: https://rdap.arin.net/registry/entity/KONUJ1-ARIN OrgTechHandle: WANGA38-ARIN OrgTechName: Wang, Adam OrgTechPhone: +1-732-284-8394 OrgTechEmail: adam.wang@mheducation.com OrgTechRef: https://rdap.arin.net/registry/entity/WANGA38-ARIN RNOCHandle: MNOC10-ARIN RNOCName: MHE Network Operations Center RNOCPhone: +1-617-859-6003 RNOCEmail: noc@mheducation.com RNOCRef: https://rdap.arin.net/registry/entity/MNOC10-ARIN RAbuseHandle: MAOC-ARIN RAbuseName: MHE Abuse Operations Center RAbusePhone: +1-617-859-6003 RAbuseEmail: abuse@mheducation.com RAbuseRef: https://rdap.arin.net/registry/entity/MAOC-ARIN # # 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 1997-2025, American Registry for Internet Numbers, Ltd. #