ASNumber: 36557 ASName: COWEN-INC ASHandle: AS36557 RegDate: 2006-01-31 Updated: 2025-10-19 Ref: https://rdap.arin.net/registry/autnum/36557 OrgName: Ramius Capital Group, L.L.C. OrgId: RCGL-2 Address: 599 Lexington Avenue Address: 19th Floor City: New York StateProv: NY PostalCode: 10022 Country: US RegDate: 2006-01-03 Updated: 2017-05-10 Ref: https://rdap.arin.net/registry/entity/RCGL-2 OrgAbuseHandle: SMH15-ARIN OrgAbuseName: Hanley, Steven Michael OrgAbusePhone: +1-212-845-7973 OrgAbuseEmail: steven.hanley@cowen.com OrgAbuseRef: https://rdap.arin.net/registry/entity/SMH15-ARIN OrgTechHandle: SMH15-ARIN OrgTechName: Hanley, Steven Michael OrgTechPhone: +1-212-845-7973 OrgTechEmail: steven.hanley@cowen.com OrgTechRef: https://rdap.arin.net/registry/entity/SMH15-ARIN RAbuseHandle: ABA20-ARIN RAbuseName: Bankouski, Andrei RAbusePhone: +1-646-562-1800 RAbuseEmail: noc@cowen.com RAbuseRef: https://rdap.arin.net/registry/entity/ABA20-ARIN RAbuseHandle: YEUNG5-ARIN RAbuseName: Yeung, Dave RAbusePhone: +1-646-562-1800 RAbuseEmail: noc@cowen.com RAbuseRef: https://rdap.arin.net/registry/entity/YEUNG5-ARIN RNOCHandle: ABA20-ARIN RNOCName: Bankouski, Andrei RNOCPhone: +1-646-562-1800 RNOCEmail: noc@cowen.com RNOCRef: https://rdap.arin.net/registry/entity/ABA20-ARIN RTechHandle: YEUNG5-ARIN RTechName: Yeung, Dave RTechPhone: +1-646-562-1800 RTechEmail: noc@cowen.com RTechRef: https://rdap.arin.net/registry/entity/YEUNG5-ARIN RTechHandle: ABA20-ARIN RTechName: Bankouski, Andrei RTechPhone: +1-646-562-1800 RTechEmail: noc@cowen.com RTechRef: https://rdap.arin.net/registry/entity/ABA20-ARIN RNOCHandle: YEUNG5-ARIN RNOCName: Yeung, Dave RNOCPhone: +1-646-562-1800 RNOCEmail: noc@cowen.com RNOCRef: https://rdap.arin.net/registry/entity/YEUNG5-ARIN