AS Number
AS5723
AS Name
JHU
Org Name
Johns Hopkins University
Country / Region
United States
Registry

arin

RegDate

2020-08-28

Updated

2020-08-28

AS5723 Looking Glass
IPv4Prefixes

9

IPv6Prefixes

1

IPv4 NUMs

135,680

IPv6 NUMs(/64)

4,294,967,296

CIDR Description IP Num
128.220.0.0/16
IRR Valid
Johns Hopkins University 65536
128.220.122.0/24
IRR Parent Valid
Johns Hopkins University 256
162.129.0.0/16
IRR Valid
The Johns Hopkins Medical Institutions 65536
192.12.13.0/24
IRR Valid
Johns Hopkins University 256
192.12.14.0/24
IRR Valid
Johns Hopkins University 256
198.57.32.0/21
IRR Valid
Johns Hopkins All Children's Hospital, Inc. 2048
198.57.39.0/24
IRR Valid
Johns Hopkins All Children's Hospital, Inc. 256
198.57.40.0/22
IRR Valid
Johns Hopkins All Children's Hospital, Inc. 1024
204.124.184.0/22
IRR Valid
Johns Hopkins All Children's Hospital, Inc. 1024
CIDR Description IP NUMs(prefix /64)
2606:2b00::/32
IRR Valid
Johns Hopkins University 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS396450 INTERNET2-2 - Internet2, US United States 0 0 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, LLC, US United States 36,233,472 215,834,689,537 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,512 81,626,398,720 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,496 283,043,982,606,336 IPv4 IPv4 IPv6 IPv6
AS10886 MAX-GIGAPOP - University of Maryland, US United States 10,240 16,842,752 IPv4 IPv4 IPv6 IPv6
AS11096 FLORIDANET - FloridaNet, US United States 10,496 4,294,967,296 IPv4 IPv4
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS77 JHUAPL-AS - Johns Hopkins University Applied Physics Laboratory, US United States 66,048 0 IPv4 IPv4
ASNumber:       5723
ASName:         JHU
ASHandle:       AS5723
RegDate:        1995-09-06
Updated:        2020-09-08
Ref:            https://rdap.arin.net/registry/autnum/5723

OrgID:          JHU-Z
OrgName:        Johns Hopkins University
CanAllocate:    
Street:         Hopkins Information Technology Services
Street:         3400 North Charles Street
Street:         Garland Hall, Suite 020
City:           Baltimore
State/Prov:     MD
Country:        US
PostalCode:     21218
RegDate:        2020-08-28
Updated:        2020-08-28
OrgAdminHandle  DZ24-ARIN
OrgTechHandle   DZ24-ARIN
OrgAbuseHandle  DZ24-ARIN
Source:         ARIN

OrgAdminHandleHandle:  DZ24-ARIN
OrgAdminHandleName:    Network Operation Center, 
OrgAdminHandlePhone:   +1-410-516-4357
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/DZ24-ARIN

OrgTechHandleHandle:  DZ24-ARIN
OrgTechHandleName:    Network Operation Center, 
OrgTechHandlePhone:   +1-410-516-4357
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/DZ24-ARIN

OrgAbuseHandleHandle:  DZ24-ARIN
OrgAbuseHandleName:    Network Operation Center, 
OrgAbuseHandlePhone:   +1-410-516-4357
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/DZ24-ARIN