AS Number
AS25978
AS Name
RUSH-EXTERNAL
Org Name
Rush University Medical Center
Country / Region
United States
Registry

arin

RegDate

1990-11-16

Updated

2024-12-04

AS25978 Looking Glass
IPv4Prefixes

5

IPv6Prefixes

0

IPv4 NUMs

65,536

IPv6 NUMs(/64)

0

CIDR Description IP Num
144.74.0.0/17
IRR InValid
Rush University Medical Center 32768
144.74.16.0/23
IRR InValid
Rush University Medical Center 512
144.74.16.0/21
IRR InValid
Rush University Medical Center 2048
144.74.20.0/23
IRR InValid
Rush University Medical Center 512
144.74.128.0/17
IRR InValid
Rush University Medical Center 32768
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
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,751,552 51,808,436,224 IPv4 IPv4
AS33491 COMCAST-33491 - Comcast Cable Communications, LLC, US United States 48,384 1,116,708,995,072 IPv4 IPv4
AS46887 ZAYO-CCF-AS46887 - Zayo Bandwidth, US United States 862,976 17,180,327,936 IPv4 IPv4
AS701 UUNET - Verizon Business, US United States 41,642,496 1,249,852,784,640 IPv4 IPv4
ASNumber:       25978
ASName:         RUSH-EXTERNAL
ASHandle:       AS25978
RegDate:        2025-02-19
Updated:        2025-02-19
Ref:            https://rdap.arin.net/registry/autnum/25978

OrgID:          RPLMC
OrgName:        Rush University Medical Center
CanAllocate:    
Street:         1653 W. Congress Parkway
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60612
RegDate:        1990-11-16
Updated:        2024-12-04
OrgAbuseHandle  KLO1-ARIN
OrgAdminHandle  MNS12-ARIN
OrgTechHandle   CLUKE-ARIN
Source:         ARIN

OrgTechHandleHandle:  CLUKE-ARIN
OrgTechHandleName:    Clukey, Jay
OrgTechHandlePhone:   +1-312-942-4806
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/CLUKE-ARIN

OrgAbuseHandleHandle:  KLO1-ARIN
OrgAbuseHandleName:    ODER, KARL
OrgAbuseHandlePhone:   +1-312-942-8940
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/KLO1-ARIN

OrgAdminHandleHandle:  MNS12-ARIN
OrgAdminHandleName:    Manager of Network Services, 
OrgAdminHandlePhone:   +1-312-942-4242
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/MNS12-ARIN