AS Number
AS20442
AS Name
YNHHSC
Org Name
Yale-New Haven Health Services Corporation
Country / Region
United States
Registry

arin

RegDate

2007-06-26

Updated

2026-05-21

AS20442 Looking Glass
IPv4Prefixes

30

IPv6Prefixes

0

IPv4 NUMs

7,680

IPv6 NUMs(/64)

0

CIDR Description IP Num
64.252.240.0/24
IRR Valid
AT&T Enterprises, LLC 256
64.252.241.0/24
IRR Valid
AT&T Enterprises, LLC 256
64.252.242.0/24
IRR Valid
AT&T Enterprises, LLC 256
64.252.243.0/24
IRR Valid
AT&T Enterprises, LLC 256
64.252.244.0/24
IRR Valid
AT&T Enterprises, LLC 256
64.252.245.0/24
IRR Valid
AT&T Enterprises, LLC 256
64.252.246.0/24
IRR Valid
AT&T Enterprises, LLC 256
64.252.247.0/24
IRR Valid
AT&T Enterprises, LLC 256
74.113.112.0/24
IRR Valid
Yale-New Haven Health Services Corporation 256
74.113.113.0/24
IRR Valid
Yale-New Haven Health Services Corporation 256
74.113.114.0/24
IRR Valid
Yale-New Haven Health Services Corporation 256
74.113.115.0/24
IRR Valid
Yale-New Haven Health Services Corporation 256
74.113.116.0/24
IRR Valid
Yale-New Haven Health Services Corporation 256
74.113.117.0/24
IRR Valid
Yale-New Haven Health Services Corporation 256
74.113.118.0/24
IRR Valid
Yale-New Haven Health Services Corporation 256
74.113.119.0/24
IRR Valid
Yale-New Haven Health Services Corporation 256
75.5.201.0/24
IRR Valid
AT&T Enterprises, LLC 256
192.131.129.0/24
IRR Valid
YALE NEW HAVEN HOSPITAL 256
192.152.148.0/24
IRR Valid
YALE NEW HAVEN HOSPITAL 256
192.152.149.0/24
IRR Valid
YALE NEW HAVEN HOSPITAL 256
192.152.150.0/24
IRR Valid
YALE NEW HAVEN HOSPITAL 256
204.60.50.0/24
IRR Valid
AT&T Enterprises, LLC 256
204.60.51.0/24
IRR Valid
AT&T Enterprises, LLC 256
204.60.184.0/24
IRR Valid
AT&T Enterprises, LLC 256
204.60.185.0/24
IRR Valid
AT&T Enterprises, LLC 256
204.60.186.0/24
IRR Valid
AT&T Enterprises, LLC 256
204.60.187.0/24
IRR Valid
AT&T Enterprises, LLC 256
204.90.81.0/24
IRR Valid
Yale New Haven Hospital 256
205.167.18.0/24
IRR Valid
Yale New Haven Hospital 256
205.167.19.0/24
IRR Valid
Yale New Haven Hospital 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 96,430,080 2,310,693,060,608 IPv4 IPv4
AS46887 ZAYO-CCF-AS46887 - Zayo Bandwidth, US United States 862,976 17,180,327,936 IPv4 IPv4
ASNumber:       20442
ASName:         YNHHSC
ASHandle:       AS20442
RegDate:        2007-09-10
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/20442

OrgID:          YHHSC-1
OrgName:        Yale-New Haven Health Services Corporation
CanAllocate:    
Street:         789 Howard Avenue
City:           New Haven
State/Prov:     CT
Country:        US
PostalCode:     06519
RegDate:        2007-06-26
Updated:        2026-05-21
OrgAdminHandle  RBE133-ARIN
OrgTechHandle   BOYER163-ARIN
OrgTechHandle   ELDRE3-ARIN
OrgTechHandle   RBE133-ARIN
OrgTechHandle   STONE463-ARIN
OrgAbuseHandle  NETWO1789-ARIN
OrgNOCHandle    NETWO1789-ARIN
OrgRoutingHandle BOYER163-ARIN
OrgRoutingHandle RBE133-ARIN
OrgRoutingHandle STONE463-ARIN
OrgDNSHandle    BOYER163-ARIN
OrgDNSHandle    ELDRE3-ARIN
OrgDNSHandle    RBE133-ARIN
OrgDNSHandle    STONE463-ARIN
Source:         ARIN

OrgAdminHandleHandle:  RBE133-ARIN
OrgAdminHandleName:    Bellare, Rajeev
OrgAdminHandlePhone:   +1-203-230-3952
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/RBE133-ARIN

OrgTechHandleHandle:  BOYER163-ARIN
OrgTechHandleName:    Boyer, Mark
OrgTechHandlePhone:   +1-475-210-2318
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/BOYER163-ARIN

OrgTechHandleHandle:  ELDRE3-ARIN
OrgTechHandleName:    Eldred, Don
OrgTechHandlePhone:   +1-475-210-2319
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/ELDRE3-ARIN

OrgTechHandleHandle:  RBE133-ARIN
OrgTechHandleName:    Bellare, Rajeev
OrgTechHandlePhone:   +1-203-230-3952
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/RBE133-ARIN

OrgTechHandleHandle:  STONE463-ARIN
OrgTechHandleName:    Stone, Anthony
OrgTechHandlePhone:   +1-860-912-4476
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/STONE463-ARIN

OrgAbuseHandleHandle:  NETWO1789-ARIN
OrgAbuseHandleName:    Network Operations, 
OrgAbuseHandlePhone:   +1-203-230-3952
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/NETWO1789-ARIN

OrgNOCHandleHandle:  NETWO1789-ARIN
OrgNOCHandleName:    Network Operations, 
OrgNOCHandlePhone:   +1-203-230-3952
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/NETWO1789-ARIN

OrgRoutingHandleHandle:  BOYER163-ARIN
OrgRoutingHandleName:    Boyer, Mark
OrgRoutingHandlePhone:   +1-475-210-2318
OrgRoutingHandleEmail:   [email protected]
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/BOYER163-ARIN

OrgRoutingHandleHandle:  RBE133-ARIN
OrgRoutingHandleName:    Bellare, Rajeev
OrgRoutingHandlePhone:   +1-203-230-3952
OrgRoutingHandleEmail:   [email protected]
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/RBE133-ARIN

OrgRoutingHandleHandle:  STONE463-ARIN
OrgRoutingHandleName:    Stone, Anthony
OrgRoutingHandlePhone:   +1-860-912-4476
OrgRoutingHandleEmail:   [email protected]
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/STONE463-ARIN

OrgDNSHandleHandle:  BOYER163-ARIN
OrgDNSHandleName:    Boyer, Mark
OrgDNSHandlePhone:   +1-475-210-2318
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/BOYER163-ARIN

OrgDNSHandleHandle:  ELDRE3-ARIN
OrgDNSHandleName:    Eldred, Don
OrgDNSHandlePhone:   +1-475-210-2319
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/ELDRE3-ARIN

OrgDNSHandleHandle:  RBE133-ARIN
OrgDNSHandleName:    Bellare, Rajeev
OrgDNSHandlePhone:   +1-203-230-3952
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/RBE133-ARIN

OrgDNSHandleHandle:  STONE463-ARIN
OrgDNSHandleName:    Stone, Anthony
OrgDNSHandlePhone:   +1-860-912-4476
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/STONE463-ARIN

RTechHandleHandle:  RBE133-ARIN
RTechHandleName:    Bellare, Rajeev
RTechHandlePhone:   +1-203-230-3952
RTechHandleEmail:   [email protected]
RTechHandleRef:     https://rdap.arin.net/registry/entity/RBE133-ARIN

RAbuseHandleHandle:  NETWO1789-ARIN
RAbuseHandleName:    Network Operations, 
RAbuseHandlePhone:   +1-203-230-3952
RAbuseHandleEmail:   [email protected]
RAbuseHandleRef:     https://rdap.arin.net/registry/entity/NETWO1789-ARIN

RNOCHandleHandle:  NETWO1789-ARIN
RNOCHandleName:    Network Operations, 
RNOCHandlePhone:   +1-203-230-3952
RNOCHandleEmail:   [email protected]
RNOCHandleRef:     https://rdap.arin.net/registry/entity/NETWO1789-ARIN