% APNIC found the following authoritative answer from: whois.arin.net

#
# 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.
#

NetRange:       66.133.0.0 - 66.133.5.255
CIDR:           66.133.4.0/23, 66.133.0.0/22
NetName:        SESA1
NetHandle:      NET-66-133-0-0-1
Parent:         NET66 (NET-66-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   SES Americom Inc. (SESAM)
RegDate:        2001-07-11
Updated:        2019-10-29
Comment:        ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE
Ref:            https://rdap.arin.net/registry/ip/66.133.0.0

OrgName:        SES Americom Inc.
OrgId:          SESAM
Address:        2323 Grimville Rd
City:           Mount Airy
StateProv:      MD
PostalCode:     21771
Country:        US
RegDate:        2005-05-02
Updated:        2025-10-21
Comment:        Please contact ABUSE if you have any Abuse issues.
Ref:            https://rdap.arin.net/registry/entity/SESAM

OrgNOCHandle: NOC33467-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-703-330-3305 
OrgNOCEmail:  noc-sesnetworks@ses.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC33467-ARIN

OrgTechHandle: GREEN275-ARIN
OrgTechName:   Greenhalgh, John 
OrgTechPhone:  +352 710 725 1  
OrgTechEmail:  john.greenhalgh@ses.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GREEN275-ARIN

OrgTechHandle: NETPL1-ARIN
OrgTechName:   NetPlan
OrgTechPhone:  +1-202-286-0861 
OrgTechEmail:  isabella.dapaah@ses.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETPL1-ARIN

OrgAbuseHandle: NOC33467-ARIN
OrgAbuseName:   NOC
OrgAbusePhone:  +1-703-330-3305 
OrgAbuseEmail:  noc-sesnetworks@ses.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC33467-ARIN

OrgTechHandle: ALBIC-ARIN
OrgTechName:   Albici, Cristian 
OrgTechPhone:  +40 722164157 
OrgTechEmail:  Cristian.Albici@ses.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ALBIC-ARIN

OrgTechHandle: EMM26-ARIN
OrgTechName:   El Mouchrif, Mohamed 
OrgTechPhone:  +1-703-367-7317 
OrgTechEmail:  mohamed.elmouchrif@ses.com
OrgTechRef:    https://rdap.arin.net/registry/entity/EMM26-ARIN

OrgTechHandle: ANGHE1-ARIN
OrgTechName:   Anghelescu, Mihai 
OrgTechPhone:  +352621108508 
OrgTechEmail:  mihai.anghelescu@ses.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ANGHE1-ARIN

RTechHandle: IRO9-ARIN
RTechName:   Rodriguez, Ivan 
RTechPhone:  +1-703-914-1332 
RTechEmail:  ivan.rodriguez@ses-americom.com
RTechRef:    https://rdap.arin.net/registry/entity/IRO9-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 1997-2026, American Registry for Internet Numbers, Ltd.
#