AS19721 - MHN - Magellan Health Services, US

United States
AS Number
AS19721
AS Name
MHN
Org Name
Magellan Health Services
Country / Region
United States
Registry

arin

RegDate

2001-02-07

Updated

2026-06-05

AS19721 Looking Glass
IPv4Prefixes

14

IPv6Prefixes

0

IPv4 NUMs

8,192

IPv6 NUMs(/64)

0

CIDR Description IP Num
204.193.64.0/20
IRR Valid
MagellanBehavioralHealth 4096
204.193.64.0/19
IRR InValid
MagellanBehavioralHealth 8192
204.193.71.0/24
IRR Parent Valid
MagellanBehavioralHealth 256
204.193.72.0/24
IRR Parent Valid
MagellanBehavioralHealth 256
204.193.74.0/24
IRR Parent Valid
MagellanBehavioralHealth 256
204.193.75.0/24
IRR Parent Valid
MagellanBehavioralHealth 256
204.193.80.0/24
IRR Parent Valid
MagellanBehavioralHealth 256
204.193.80.0/20
IRR Valid
MagellanBehavioralHealth 4096
204.193.84.0/24
IRR Valid
MagellanBehavioralHealth 256
204.193.84.0/22
IRR InValid
MagellanBehavioralHealth 1024
204.193.85.0/24
IRR Valid
MagellanBehavioralHealth 256
204.193.86.0/23
IRR Valid
MagellanBehavioralHealth 512
204.193.88.0/24
IRR Parent Valid
MagellanBehavioralHealth 256
204.193.93.0/24
IRR Parent Valid
MagellanBehavioralHealth 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,512 81,626,398,720 IPv4 IPv4
AS49915 MEGAPORT - Megaport (UK) Limited, GB United Kingdom 34,048 3,080,192 IPv4 IPv4

Whois Record

ASNumber 19721

ASNumber
19721
ASName
MHN
ASHandle
RegDate
2001-02-07
Updated
2012-03-20
Ref
https://rdap.arin.net/registry/autnum/19721

OrgID MHS-54

OrgID
MHS-54
OrgName
Magellan Health Services
CanAllocate
Street
13736 Riverport Dr.
City
Maryland Heights
State/Prov
MO
Country
US
PostalCode
63043
RegDate
2001-02-07
Updated
2026-06-05
OrgAdminHandle
STLNE-ARIN
OrgTechHandle
HEAPB-ARIN
STLNE-ARIN
WEBBA33-ARIN
OrgAbuseHandle
HEAPB-ARIN
STLNE-ARIN
WEBBA33-ARIN
OrgNOCHandle
HEAPB-ARIN
STLNE-ARIN
WEBBA33-ARIN
OrgDNSHandle
HEAPB-ARIN
WEBBA33-ARIN
Source
ARIN
 
OrgRoutingHandle HEAPB-ARIN
OrgRoutingHandle WEBBA33-ARIN

OrgTechHandleHandle HEAPB-ARIN

OrgTechHandleHandle
HEAPB-ARIN
OrgTechHandleName
Heap, Brandon
OrgTechHandlePhone
+1-801-367-9127
OrgTechHandleEmail
heapb@magellanhealth.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgTechHandleHandle STLNE-ARIN

OrgTechHandleHandle
STLNE-ARIN
OrgTechHandleName
stlnetengineering,
OrgTechHandlePhone
+1-314-387-4000
OrgTechHandleEmail
NetworkInfrastructure@magellanhealth.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/STLNE-ARIN

OrgTechHandleHandle WEBBA33-ARIN

OrgTechHandleHandle
WEBBA33-ARIN
OrgTechHandleName
Webb, Arron
OrgTechHandlePhone
+1-832-622-0113
OrgTechHandleEmail
webba3@magellanhealth.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgAbuseHandleHandle HEAPB-ARIN

OrgAbuseHandleHandle
HEAPB-ARIN
OrgAbuseHandleName
Heap, Brandon
OrgAbuseHandlePhone
+1-801-367-9127
OrgAbuseHandleEmail
heapb@magellanhealth.com
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgAbuseHandleHandle STLNE-ARIN

OrgAbuseHandleHandle
STLNE-ARIN
OrgAbuseHandleName
stlnetengineering,
OrgAbuseHandlePhone
+1-314-387-4000
OrgAbuseHandleEmail
NetworkInfrastructure@magellanhealth.com
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/STLNE-ARIN

OrgAbuseHandleHandle WEBBA33-ARIN

OrgAbuseHandleHandle
WEBBA33-ARIN
OrgAbuseHandleName
Webb, Arron
OrgAbuseHandlePhone
+1-832-622-0113
OrgAbuseHandleEmail
webba3@magellanhealth.com
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgNOCHandleHandle HEAPB-ARIN

OrgNOCHandleHandle
HEAPB-ARIN
OrgNOCHandleName
Heap, Brandon
OrgNOCHandlePhone
+1-801-367-9127
OrgNOCHandleEmail
heapb@magellanhealth.com
OrgNOCHandleRef
https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgNOCHandleHandle STLNE-ARIN

OrgNOCHandleHandle
STLNE-ARIN
OrgNOCHandleName
stlnetengineering,
OrgNOCHandlePhone
+1-314-387-4000
OrgNOCHandleEmail
NetworkInfrastructure@magellanhealth.com
OrgNOCHandleRef
https://rdap.arin.net/registry/entity/STLNE-ARIN

OrgNOCHandleHandle WEBBA33-ARIN

OrgNOCHandleHandle
WEBBA33-ARIN
OrgNOCHandleName
Webb, Arron
OrgNOCHandlePhone
+1-832-622-0113
OrgNOCHandleEmail
webba3@magellanhealth.com
OrgNOCHandleRef
https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgRoutingHandleHandle HEAPB-ARIN

OrgRoutingHandleHandle
HEAPB-ARIN
OrgRoutingHandleName
Heap, Brandon
OrgRoutingHandlePhone
+1-801-367-9127
OrgRoutingHandleEmail
heapb@magellanhealth.com
OrgRoutingHandleRef
https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgRoutingHandleHandle WEBBA33-ARIN

OrgRoutingHandleHandle
WEBBA33-ARIN
OrgRoutingHandleName
Webb, Arron
OrgRoutingHandlePhone
+1-832-622-0113
OrgRoutingHandleEmail
webba3@magellanhealth.com
OrgRoutingHandleRef
https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgDNSHandleHandle HEAPB-ARIN

OrgDNSHandleHandle
HEAPB-ARIN
OrgDNSHandleName
Heap, Brandon
OrgDNSHandlePhone
+1-801-367-9127
OrgDNSHandleEmail
heapb@magellanhealth.com
OrgDNSHandleRef
https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgDNSHandleHandle WEBBA33-ARIN

OrgDNSHandleHandle
WEBBA33-ARIN
OrgDNSHandleName
Webb, Arron
OrgDNSHandlePhone
+1-832-622-0113
OrgDNSHandleEmail
webba3@magellanhealth.com
OrgDNSHandleRef
https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgAdminHandleHandle STLNE-ARIN

OrgAdminHandleHandle
STLNE-ARIN
OrgAdminHandleName
stlnetengineering,
OrgAdminHandlePhone
+1-314-387-4000
OrgAdminHandleEmail
NetworkInfrastructure@magellanhealth.com
OrgAdminHandleRef
https://rdap.arin.net/registry/entity/STLNE-ARIN

RTechHandleHandle DB1528-ARIN

RTechHandleHandle
DB1528-ARIN
RTechHandleName
Brack, David
RTechHandlePhone
+1-314-387-4055
RTechHandleEmail
dabrack@magellanhealth.com
RTechHandleRef
https://rdap.arin.net/registry/entity/DB1528-ARIN
 

ASNumber:       19721
ASName:         MHN
ASHandle:       AS19721
RegDate:        2001-02-07
Updated:        2012-03-20
Ref:            https://rdap.arin.net/registry/autnum/19721

OrgID:          MHS-54
OrgName:        Magellan Health Services
CanAllocate:    
Street:         13736 Riverport Dr.
City:           Maryland Heights
State/Prov:     MO
Country:        US
PostalCode:     63043
RegDate:        2001-02-07
Updated:        2026-06-05
OrgAdminHandle  STLNE-ARIN
OrgTechHandle   HEAPB-ARIN
OrgTechHandle   STLNE-ARIN
OrgTechHandle   WEBBA33-ARIN
OrgAbuseHandle  HEAPB-ARIN
OrgAbuseHandle  STLNE-ARIN
OrgAbuseHandle  WEBBA33-ARIN
OrgNOCHandle    HEAPB-ARIN
OrgNOCHandle    STLNE-ARIN
OrgNOCHandle    WEBBA33-ARIN
OrgRoutingHandle HEAPB-ARIN
OrgRoutingHandle WEBBA33-ARIN
OrgDNSHandle    HEAPB-ARIN
OrgDNSHandle    WEBBA33-ARIN
Source:         ARIN

OrgTechHandleHandle:  HEAPB-ARIN
OrgTechHandleName:    Heap, Brandon
OrgTechHandlePhone:   +1-801-367-9127
OrgTechHandleEmail:   heapb@magellanhealth.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgTechHandleHandle:  STLNE-ARIN
OrgTechHandleName:    stlnetengineering, 
OrgTechHandlePhone:   +1-314-387-4000
OrgTechHandleEmail:   NetworkInfrastructure@magellanhealth.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/STLNE-ARIN

OrgTechHandleHandle:  WEBBA33-ARIN
OrgTechHandleName:    Webb, Arron
OrgTechHandlePhone:   +1-832-622-0113
OrgTechHandleEmail:   webba3@magellanhealth.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgAbuseHandleHandle:  HEAPB-ARIN
OrgAbuseHandleName:    Heap, Brandon
OrgAbuseHandlePhone:   +1-801-367-9127
OrgAbuseHandleEmail:   heapb@magellanhealth.com
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgAbuseHandleHandle:  STLNE-ARIN
OrgAbuseHandleName:    stlnetengineering, 
OrgAbuseHandlePhone:   +1-314-387-4000
OrgAbuseHandleEmail:   NetworkInfrastructure@magellanhealth.com
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/STLNE-ARIN

OrgAbuseHandleHandle:  WEBBA33-ARIN
OrgAbuseHandleName:    Webb, Arron
OrgAbuseHandlePhone:   +1-832-622-0113
OrgAbuseHandleEmail:   webba3@magellanhealth.com
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgNOCHandleHandle:  HEAPB-ARIN
OrgNOCHandleName:    Heap, Brandon
OrgNOCHandlePhone:   +1-801-367-9127
OrgNOCHandleEmail:   heapb@magellanhealth.com
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgNOCHandleHandle:  STLNE-ARIN
OrgNOCHandleName:    stlnetengineering, 
OrgNOCHandlePhone:   +1-314-387-4000
OrgNOCHandleEmail:   NetworkInfrastructure@magellanhealth.com
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/STLNE-ARIN

OrgNOCHandleHandle:  WEBBA33-ARIN
OrgNOCHandleName:    Webb, Arron
OrgNOCHandlePhone:   +1-832-622-0113
OrgNOCHandleEmail:   webba3@magellanhealth.com
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgRoutingHandleHandle:  HEAPB-ARIN
OrgRoutingHandleName:    Heap, Brandon
OrgRoutingHandlePhone:   +1-801-367-9127
OrgRoutingHandleEmail:   heapb@magellanhealth.com
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgRoutingHandleHandle:  WEBBA33-ARIN
OrgRoutingHandleName:    Webb, Arron
OrgRoutingHandlePhone:   +1-832-622-0113
OrgRoutingHandleEmail:   webba3@magellanhealth.com
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgDNSHandleHandle:  HEAPB-ARIN
OrgDNSHandleName:    Heap, Brandon
OrgDNSHandlePhone:   +1-801-367-9127
OrgDNSHandleEmail:   heapb@magellanhealth.com
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgDNSHandleHandle:  WEBBA33-ARIN
OrgDNSHandleName:    Webb, Arron
OrgDNSHandlePhone:   +1-832-622-0113
OrgDNSHandleEmail:   webba3@magellanhealth.com
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgAdminHandleHandle:  STLNE-ARIN
OrgAdminHandleName:    stlnetengineering, 
OrgAdminHandlePhone:   +1-314-387-4000
OrgAdminHandleEmail:   NetworkInfrastructure@magellanhealth.com
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/STLNE-ARIN

RTechHandleHandle:  DB1528-ARIN
RTechHandleName:    Brack, David
RTechHandlePhone:   +1-314-387-4055
RTechHandleEmail:   dabrack@magellanhealth.com
RTechHandleRef:     https://rdap.arin.net/registry/entity/DB1528-ARIN