AS20 - UR - University of Rochester, US

United States
AS Number
AS20
AS Name
UR
Org Name
University of Rochester
Country / Region
United States
Registry

arin

RegDate

2009-03-30

Updated

2026-06-10

AS20 Looking Glass
IPv4Prefixes

3

IPv6Prefixes

1

IPv4 NUMs

66,048

IPv6 NUMs(/64)

16,777,216

CIDR Description IP Num
128.151.0.0/16
University of Rochester 65536
192.5.53.0/24
University of Rochester 256
199.89.214.0/24
IRR Valid
University of Rochester 256
CIDR Description IP NUMs(prefix /64)
2620:107:a000::/40
IRR Valid
University of Rochester 16777216
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 36,233,472 215,834,689,537 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,512 81,626,398,720 IPv4 IPv4 IPv6 IPv6
AS3630 NYSERNET-BLK - NYSERNet, US United States 512 65,536 IPv4 IPv4 IPv6 IPv6
AS3754 NYSERNET3-AS - NYSERNet, US United States 0 131,328 IPv4 IPv4 IPv6 IPv6

Whois Record

ASNumber 20

ASNumber
20
ASName
UR
ASHandle
RegDate
1984-07-27
Updated
2019-10-01
Ref
https://rdap.arin.net/registry/autnum/20

OrgID UNIVER-40-Z

OrgID
UNIVER-40-Z
OrgName
University of Rochester
CanAllocate
Street
University IT
1630 Lond Pond Road
City
Rochester
State/Prov
NY
Country
US
PostalCode
14626
Comment
Please report network abuse complaints to
abuse@rochester.edu
RegDate
2009-03-30
Updated
2026-06-10
OrgAbuseHandle
DRB62-ARIN
FERNA540-ARIN
URAC1-ARIN
OrgNOCHandle
DRB62-ARIN
FERNA540-ARIN
URTC-ARIN
OrgDNSHandle
DRB62-ARIN
FERNA540-ARIN
URTC-ARIN
OrgAdminHandle
URAC-ARIN
OrgTechHandle
DRB62-ARIN
FERNA540-ARIN
URTC-ARIN
Source
ARIN
 
OrgRoutingHandle DRB62-ARIN
OrgRoutingHandle FERNA540-ARIN
OrgRoutingHandle URTC-ARIN

OrgAbuseHandleHandle DRB62-ARIN

OrgAbuseHandleHandle
DRB62-ARIN
OrgAbuseHandleName
Bentley, Douglas
OrgAbuseHandlePhone
+1-585-275-6550
OrgAbuseHandleEmail
douglas.bentley@rochester.edu
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/DRB62-ARIN

OrgAbuseHandleHandle FERNA540-ARIN

OrgAbuseHandleHandle
FERNA540-ARIN
OrgAbuseHandleName
Fernandes, Amit
OrgAbuseHandlePhone
+1-585-506-7390
OrgAbuseHandleEmail
amit.fernandes@rochester.edu
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/FERNA540-ARIN

OrgAbuseHandleHandle URAC1-ARIN

OrgAbuseHandleHandle
URAC1-ARIN
OrgAbuseHandleName
University of Rochester Abuse Contact,
OrgAbuseHandlePhone
+1-585-275-0090
OrgAbuseHandleEmail
douglas.bentley@rochester.edu
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/URAC1-ARIN

OrgNOCHandleHandle DRB62-ARIN

OrgNOCHandleHandle
DRB62-ARIN
OrgNOCHandleName
Bentley, Douglas
OrgNOCHandlePhone
+1-585-275-6550
OrgNOCHandleEmail
douglas.bentley@rochester.edu
OrgNOCHandleRef
https://rdap.arin.net/registry/entity/DRB62-ARIN

OrgNOCHandleHandle FERNA540-ARIN

OrgNOCHandleHandle
FERNA540-ARIN
OrgNOCHandleName
Fernandes, Amit
OrgNOCHandlePhone
+1-585-506-7390
OrgNOCHandleEmail
amit.fernandes@rochester.edu
OrgNOCHandleRef
https://rdap.arin.net/registry/entity/FERNA540-ARIN

OrgNOCHandleHandle URTC-ARIN

OrgNOCHandleHandle
URTC-ARIN
OrgNOCHandleName
University of Rochester Technical Contact,
OrgNOCHandlePhone
+1-585-275-0090
OrgNOCHandleEmail
douglas.bentley@rochester.edu
OrgNOCHandleRef
https://rdap.arin.net/registry/entity/URTC-ARIN

OrgRoutingHandleHandle DRB62-ARIN

OrgRoutingHandleHandle
DRB62-ARIN
OrgRoutingHandleName
Bentley, Douglas
OrgRoutingHandlePhone
+1-585-275-6550
OrgRoutingHandleEmail
douglas.bentley@rochester.edu
OrgRoutingHandleRef
https://rdap.arin.net/registry/entity/DRB62-ARIN

OrgRoutingHandleHandle FERNA540-ARIN

OrgRoutingHandleHandle
FERNA540-ARIN
OrgRoutingHandleName
Fernandes, Amit
OrgRoutingHandlePhone
+1-585-506-7390
OrgRoutingHandleEmail
amit.fernandes@rochester.edu
OrgRoutingHandleRef
https://rdap.arin.net/registry/entity/FERNA540-ARIN

OrgRoutingHandleHandle URTC-ARIN

OrgRoutingHandleHandle
URTC-ARIN
OrgRoutingHandleName
University of Rochester Technical Contact,
OrgRoutingHandlePhone
+1-585-275-0090
OrgRoutingHandleEmail
douglas.bentley@rochester.edu
OrgRoutingHandleRef
https://rdap.arin.net/registry/entity/URTC-ARIN

OrgDNSHandleHandle DRB62-ARIN

OrgDNSHandleHandle
DRB62-ARIN
OrgDNSHandleName
Bentley, Douglas
OrgDNSHandlePhone
+1-585-275-6550
OrgDNSHandleEmail
douglas.bentley@rochester.edu
OrgDNSHandleRef
https://rdap.arin.net/registry/entity/DRB62-ARIN

OrgDNSHandleHandle FERNA540-ARIN

OrgDNSHandleHandle
FERNA540-ARIN
OrgDNSHandleName
Fernandes, Amit
OrgDNSHandlePhone
+1-585-506-7390
OrgDNSHandleEmail
amit.fernandes@rochester.edu
OrgDNSHandleRef
https://rdap.arin.net/registry/entity/FERNA540-ARIN

OrgDNSHandleHandle URTC-ARIN

OrgDNSHandleHandle
URTC-ARIN
OrgDNSHandleName
University of Rochester Technical Contact,
OrgDNSHandlePhone
+1-585-275-0090
OrgDNSHandleEmail
douglas.bentley@rochester.edu
OrgDNSHandleRef
https://rdap.arin.net/registry/entity/URTC-ARIN

OrgAdminHandleHandle URAC-ARIN

OrgAdminHandleHandle
URAC-ARIN
OrgAdminHandleName
University of Rochester Admin Contact,
OrgAdminHandlePhone
+1-585-275-0090
OrgAdminHandleEmail
douglas.bentley@rochester.edu
OrgAdminHandleRef
https://rdap.arin.net/registry/entity/URAC-ARIN

OrgTechHandleHandle DRB62-ARIN

OrgTechHandleHandle
DRB62-ARIN
OrgTechHandleName
Bentley, Douglas
OrgTechHandlePhone
+1-585-275-6550
OrgTechHandleEmail
douglas.bentley@rochester.edu
OrgTechHandleRef
https://rdap.arin.net/registry/entity/DRB62-ARIN

OrgTechHandleHandle FERNA540-ARIN

OrgTechHandleHandle
FERNA540-ARIN
OrgTechHandleName
Fernandes, Amit
OrgTechHandlePhone
+1-585-506-7390
OrgTechHandleEmail
amit.fernandes@rochester.edu
OrgTechHandleRef
https://rdap.arin.net/registry/entity/FERNA540-ARIN

OrgTechHandleHandle URTC-ARIN

OrgTechHandleHandle
URTC-ARIN
OrgTechHandleName
University of Rochester Technical Contact,
OrgTechHandlePhone
+1-585-275-0090
OrgTechHandleEmail
douglas.bentley@rochester.edu
OrgTechHandleRef
https://rdap.arin.net/registry/entity/URTC-ARIN

RTechHandleHandle FERNA540-ARIN

RTechHandleHandle
FERNA540-ARIN
RTechHandleName
Fernandes, Amit
RTechHandlePhone
+1-585-506-7390
RTechHandleEmail
amit.fernandes@rochester.edu
RTechHandleRef
https://rdap.arin.net/registry/entity/FERNA540-ARIN

RTechHandleHandle URTC-ARIN

RTechHandleHandle
URTC-ARIN
RTechHandleName
University of Rochester Technical Contact,
RTechHandlePhone
+1-585-275-0090
RTechHandleEmail
douglas.bentley@rochester.edu
RTechHandleRef
https://rdap.arin.net/registry/entity/URTC-ARIN
 

ASNumber:       20
ASName:         UR
ASHandle:       AS20
RegDate:        1984-07-27
Updated:        2019-10-01
Ref:            https://rdap.arin.net/registry/autnum/20

OrgID:          UNIVER-40-Z
OrgName:        University of Rochester
CanAllocate:    
Street:         University IT
Street:         1630 Lond Pond Road
City:           Rochester
State/Prov:     NY
Country:        US
PostalCode:     14626
Comment:        Please report network abuse complaints to
Comment:        abuse@rochester.edu
RegDate:        2009-03-30
Updated:        2026-06-10
OrgAbuseHandle  DRB62-ARIN
OrgAbuseHandle  FERNA540-ARIN
OrgAbuseHandle  URAC1-ARIN
OrgNOCHandle    DRB62-ARIN
OrgNOCHandle    FERNA540-ARIN
OrgNOCHandle    URTC-ARIN
OrgRoutingHandle DRB62-ARIN
OrgRoutingHandle FERNA540-ARIN
OrgRoutingHandle URTC-ARIN
OrgDNSHandle    DRB62-ARIN
OrgDNSHandle    FERNA540-ARIN
OrgDNSHandle    URTC-ARIN
OrgAdminHandle  URAC-ARIN
OrgTechHandle   DRB62-ARIN
OrgTechHandle   FERNA540-ARIN
OrgTechHandle   URTC-ARIN
Source:         ARIN

OrgAbuseHandleHandle:  DRB62-ARIN
OrgAbuseHandleName:    Bentley, Douglas
OrgAbuseHandlePhone:   +1-585-275-6550
OrgAbuseHandleEmail:   douglas.bentley@rochester.edu
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/DRB62-ARIN

OrgAbuseHandleHandle:  FERNA540-ARIN
OrgAbuseHandleName:    Fernandes, Amit
OrgAbuseHandlePhone:   +1-585-506-7390
OrgAbuseHandleEmail:   amit.fernandes@rochester.edu
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/FERNA540-ARIN

OrgAbuseHandleHandle:  URAC1-ARIN
OrgAbuseHandleName:    University of Rochester Abuse Contact, 
OrgAbuseHandlePhone:   +1-585-275-0090
OrgAbuseHandleEmail:   douglas.bentley@rochester.edu
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/URAC1-ARIN

OrgNOCHandleHandle:  DRB62-ARIN
OrgNOCHandleName:    Bentley, Douglas
OrgNOCHandlePhone:   +1-585-275-6550
OrgNOCHandleEmail:   douglas.bentley@rochester.edu
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/DRB62-ARIN

OrgNOCHandleHandle:  FERNA540-ARIN
OrgNOCHandleName:    Fernandes, Amit
OrgNOCHandlePhone:   +1-585-506-7390
OrgNOCHandleEmail:   amit.fernandes@rochester.edu
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/FERNA540-ARIN

OrgNOCHandleHandle:  URTC-ARIN
OrgNOCHandleName:    University of Rochester Technical Contact, 
OrgNOCHandlePhone:   +1-585-275-0090
OrgNOCHandleEmail:   douglas.bentley@rochester.edu
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/URTC-ARIN

OrgRoutingHandleHandle:  DRB62-ARIN
OrgRoutingHandleName:    Bentley, Douglas
OrgRoutingHandlePhone:   +1-585-275-6550
OrgRoutingHandleEmail:   douglas.bentley@rochester.edu
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/DRB62-ARIN

OrgRoutingHandleHandle:  FERNA540-ARIN
OrgRoutingHandleName:    Fernandes, Amit
OrgRoutingHandlePhone:   +1-585-506-7390
OrgRoutingHandleEmail:   amit.fernandes@rochester.edu
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/FERNA540-ARIN

OrgRoutingHandleHandle:  URTC-ARIN
OrgRoutingHandleName:    University of Rochester Technical Contact, 
OrgRoutingHandlePhone:   +1-585-275-0090
OrgRoutingHandleEmail:   douglas.bentley@rochester.edu
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/URTC-ARIN

OrgDNSHandleHandle:  DRB62-ARIN
OrgDNSHandleName:    Bentley, Douglas
OrgDNSHandlePhone:   +1-585-275-6550
OrgDNSHandleEmail:   douglas.bentley@rochester.edu
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/DRB62-ARIN

OrgDNSHandleHandle:  FERNA540-ARIN
OrgDNSHandleName:    Fernandes, Amit
OrgDNSHandlePhone:   +1-585-506-7390
OrgDNSHandleEmail:   amit.fernandes@rochester.edu
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/FERNA540-ARIN

OrgDNSHandleHandle:  URTC-ARIN
OrgDNSHandleName:    University of Rochester Technical Contact, 
OrgDNSHandlePhone:   +1-585-275-0090
OrgDNSHandleEmail:   douglas.bentley@rochester.edu
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/URTC-ARIN

OrgAdminHandleHandle:  URAC-ARIN
OrgAdminHandleName:    University of Rochester Admin Contact, 
OrgAdminHandlePhone:   +1-585-275-0090
OrgAdminHandleEmail:   douglas.bentley@rochester.edu
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/URAC-ARIN

OrgTechHandleHandle:  DRB62-ARIN
OrgTechHandleName:    Bentley, Douglas
OrgTechHandlePhone:   +1-585-275-6550
OrgTechHandleEmail:   douglas.bentley@rochester.edu
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/DRB62-ARIN

OrgTechHandleHandle:  FERNA540-ARIN
OrgTechHandleName:    Fernandes, Amit
OrgTechHandlePhone:   +1-585-506-7390
OrgTechHandleEmail:   amit.fernandes@rochester.edu
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/FERNA540-ARIN

OrgTechHandleHandle:  URTC-ARIN
OrgTechHandleName:    University of Rochester Technical Contact, 
OrgTechHandlePhone:   +1-585-275-0090
OrgTechHandleEmail:   douglas.bentley@rochester.edu
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/URTC-ARIN

RTechHandleHandle:  FERNA540-ARIN
RTechHandleName:    Fernandes, Amit
RTechHandlePhone:   +1-585-506-7390
RTechHandleEmail:   amit.fernandes@rochester.edu
RTechHandleRef:     https://rdap.arin.net/registry/entity/FERNA540-ARIN

RTechHandleHandle:  URTC-ARIN
RTechHandleName:    University of Rochester Technical Contact, 
RTechHandlePhone:   +1-585-275-0090
RTechHandleEmail:   douglas.bentley@rochester.edu
RTechHandleRef:     https://rdap.arin.net/registry/entity/URTC-ARIN