AS19721 Magellan Health Services 🇺🇸 US

Announcing 14 prefixes, seen at the RIS collectors.

IPv4 prefixes

20,224 (79 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS19721
Name: Magellan Health Services
Organisation: Magellan Health Services
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2001-02-07

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 14 no ROA (100.0%)

Whois

Fetched from whois.arin.net

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

OrgName:        Magellan Health Services
OrgId:          MHS-54
Address:        13736 Riverport Dr.
City:           Maryland Heights
StateProv:      MO
PostalCode:     63043
Country:        US
RegDate:        2001-02-07
Updated:        2026-06-05
Ref:            https://rdap.arin.net/registry/entity/MHS-54

OrgRoutingHandle: WEBBA33-ARIN
OrgRoutingName:   Webb, Arron
OrgRoutingPhone:  +1-832-622-0113
OrgRoutingEmail:  webba3@magellanhealth.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgAbuseHandle: WEBBA33-ARIN
OrgAbuseName:   Webb, Arron
OrgAbusePhone:  +1-832-622-0113
OrgAbuseEmail:  webba3@magellanhealth.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgDNSHandle: WEBBA33-ARIN
OrgDNSName:   Webb, Arron
OrgDNSPhone:  +1-832-622-0113
OrgDNSEmail:  webba3@magellanhealth.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgNOCHandle: HEAPB-ARIN
OrgNOCName:   Heap, Brandon
OrgNOCPhone:  +1-801-367-9127
OrgNOCEmail:  heapb@magellanhealth.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgAbuseHandle: STLNE-ARIN
OrgAbuseName:   stlnetengineering
OrgAbusePhone:  +1-314-387-4000
OrgAbuseEmail:  NetworkInfrastructure@magellanhealth.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/STLNE-ARIN

OrgTechHandle: HEAPB-ARIN
OrgTechName:   Heap, Brandon
OrgTechPhone:  +1-801-367-9127
OrgTechEmail:  heapb@magellanhealth.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgTechHandle: STLNE-ARIN
OrgTechName:   stlnetengineering
OrgTechPhone:  +1-314-387-4000
OrgTechEmail:  NetworkInfrastructure@magellanhealth.com
OrgTechRef:    https://rdap.arin.net/registry/entity/STLNE-ARIN

OrgDNSHandle: HEAPB-ARIN
OrgDNSName:   Heap, Brandon
OrgDNSPhone:  +1-801-367-9127
OrgDNSEmail:  heapb@magellanhealth.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgAbuseHandle: HEAPB-ARIN
OrgAbuseName:   Heap, Brandon
OrgAbusePhone:  +1-801-367-9127
OrgAbuseEmail:  heapb@magellanhealth.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HEAPB-ARIN

OrgNOCHandle: STLNE-ARIN
OrgNOCName:   stlnetengineering
OrgNOCPhone:  +1-314-387-4000
OrgNOCEmail:  NetworkInfrastructure@magellanhealth.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/STLNE-ARIN

OrgNOCHandle: WEBBA33-ARIN
OrgNOCName:   Webb, Arron
OrgNOCPhone:  +1-832-622-0113
OrgNOCEmail:  webba3@magellanhealth.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgTechHandle: WEBBA33-ARIN
OrgTechName:   Webb, Arron
OrgTechPhone:  +1-832-622-0113
OrgTechEmail:  webba3@magellanhealth.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WEBBA33-ARIN

OrgRoutingHandle: HEAPB-ARIN
OrgRoutingName:   Heap, Brandon
OrgRoutingPhone:  +1-801-367-9127
OrgRoutingEmail:  heapb@magellanhealth.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/HEAPB-ARIN

RTechHandle: DB1528-ARIN
RTechName:   Brack, David
RTechPhone:  +1-314-387-4055
RTechEmail:  dabrack@magellanhealth.com
RTechRef:    https://rdap.arin.net/registry/entity/DB1528-ARIN