% 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:       216.213.192.0 - 216.213.255.255
CIDR:           216.213.192.0/18
NetName:        ESC11-BLK-1
NetHandle:      NET-216-213-192-0-1
Parent:         NET216 (NET-216-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Education Service Center Region XI (ESCRX-4)
RegDate:        2002-04-05
Updated:        2026-06-11
Ref:            https://rdap.arin.net/registry/ip/216.213.192.0

OrgName:        Education Service Center Region XI
OrgId:          ESCRX-4
Address:        1451 S. Cherry Lane
City:           White Settlement
StateProv:      TX
PostalCode:     76108
Country:        US
RegDate:        2002-03-26
Updated:        2026-06-11
Ref:            https://rdap.arin.net/registry/entity/ESCRX-4

OrgRoutingHandle: ENT6-ARIN
OrgRoutingName:   ESC11 Network Team
OrgRoutingPhone:  +1-817-740-7711 
OrgRoutingEmail:  network@esc11.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ENT6-ARIN

OrgTechHandle: LOPEZ1107-ARIN
OrgTechName:   Lopez, Kevin 
OrgTechPhone:  +1-817-740-7761 
OrgTechEmail:  klopez@esc11.net
OrgTechRef:    https://rdap.arin.net/registry/entity/LOPEZ1107-ARIN

OrgAbuseHandle: ENT6-ARIN
OrgAbuseName:   ESC11 Network Team
OrgAbusePhone:  +1-817-740-7711 
OrgAbuseEmail:  network@esc11.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ENT6-ARIN

OrgRoutingHandle: LOPEZ1107-ARIN
OrgRoutingName:   Lopez, Kevin 
OrgRoutingPhone:  +1-817-740-7761 
OrgRoutingEmail:  klopez@esc11.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/LOPEZ1107-ARIN

OrgDNSHandle: ENT6-ARIN
OrgDNSName:   ESC11 Network Team
OrgDNSPhone:  +1-817-740-7711 
OrgDNSEmail:  network@esc11.net
OrgDNSRef:    https://rdap.arin.net/registry/entity/ENT6-ARIN

OrgNOCHandle: ENT6-ARIN
OrgNOCName:   ESC11 Network Team
OrgNOCPhone:  +1-817-740-7711 
OrgNOCEmail:  network@esc11.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/ENT6-ARIN

OrgTechHandle: ENT6-ARIN
OrgTechName:   ESC11 Network Team
OrgTechPhone:  +1-817-740-7711 
OrgTechEmail:  network@esc11.net
OrgTechRef:    https://rdap.arin.net/registry/entity/ENT6-ARIN

OrgNOCHandle: LOPEZ1107-ARIN
OrgNOCName:   Lopez, Kevin 
OrgNOCPhone:  +1-817-740-7761 
OrgNOCEmail:  klopez@esc11.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/LOPEZ1107-ARIN

RAbuseHandle: ENT6-ARIN
RAbuseName:   ESC11 Network Team
RAbusePhone:  +1-817-740-7711 
RAbuseEmail:  network@esc11.net
RAbuseRef:    https://rdap.arin.net/registry/entity/ENT6-ARIN

RTechHandle: ENT6-ARIN
RTechName:   ESC11 Network Team
RTechPhone:  +1-817-740-7711 
RTechEmail:  network@esc11.net
RTechRef:    https://rdap.arin.net/registry/entity/ENT6-ARIN

RNOCHandle: ENT6-ARIN
RNOCName:   ESC11 Network Team
RNOCPhone:  +1-817-740-7711 
RNOCEmail:  network@esc11.net
RNOCRef:    https://rdap.arin.net/registry/entity/ENT6-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.
#