% 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 1997-2025, American Registry for Internet Numbers, Ltd.
#

NetRange:       208.0.0.0 - 208.35.255.255
CIDR:           208.32.0.0/14, 208.0.0.0/11
NetName:        SPRINTLINK-BLKS
NetHandle:      NET-208-0-0-0-1
Parent:         NET208 (NET-208-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Sprint (SPRN-Z)
RegDate:        1996-03-13
Updated:        2020-12-29
Comment:        ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE
Ref:            https://rdap.arin.net/registry/ip/208.0.0.0

OrgName:        Sprint
OrgId:          SPRN-Z
Address:        2450 N Street NW
City:           Washington
StateProv:      DC
PostalCode:     20037
Country:        US
RegDate:        2020-11-16
Updated:        2025-02-24
Comment:        For abuse issues please send email to abuse@cogentco.com
Comment:        
Comment:        Law Enforcement requests should call the Corporate Security Hotline at
Comment:        800-877-7330, option 3
Comment:        
Comment:        Reassignment information for this block can be found at rwhois.cogentco.com 4321
Comment:        
Comment:        Geofeed https://geofeed.cogentco.com/geofeed.csv
Ref:            https://rdap.arin.net/registry/entity/SPRN-Z

ReferralServer:  rwhois://rwhois.cogentco.com:4321

OrgAbuseHandle: SWAET-ARIN
OrgAbuseName:   SprintLink Wireline AUP Enforcement Team
OrgAbusePhone:  +1-800-232-6895 
OrgAbuseEmail:  abuse@cogentco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SWAET-ARIN

OrgTechHandle: IPALL-ARIN
OrgTechName:   IP Allocation
OrgTechPhone:  +1-877-875-4311 
OrgTechEmail:  ipalloc@cogentco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-ARIN

OrgTechHandle: SIE-ARIN
OrgTechName:   Sprint IP Engineering
OrgTechPhone:  +1-571-250-6511 
OrgTechEmail:  deipaddy@cogentco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SIE-ARIN

OrgTechHandle: CHUYI-ARIN
OrgTechName:   Chu, Yi 
OrgTechPhone:  +1-571-250-6511 
OrgTechEmail:  ychu@cogentco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CHUYI-ARIN

OrgTechHandle: SWIS1-ARIN
OrgTechName:   SprintLink Wireline IP Services
OrgTechPhone:  +1-888-667-7771 
OrgTechEmail:  deipaddy@cogentco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SWIS1-ARIN

RTechHandle: SPRINT-NOC-ARIN
RTechName:   IP Services
RTechPhone:  +1-800-232-6895 
RTechEmail:  ipsa.noc@sprint.com
RTechRef:    https://rdap.arin.net/registry/entity/SPRINT-NOC-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.
#