AS Number
AS20
AS Name
UR
Org Name
University of Rochester
Registry

arin

RegDate

2009-03-30

Updated

2023-05-01

AS20 Looking Glass
IPv4Prefixes

4

IPv6Prefixes

2

IPv4 NUMs

66,048

IPv6 NUMs(/64)

4,311,744,512

66,048 IPv4 Addresses
CIDR Description IP Num
128.151.0.0/24 University of Rochester 256
128.151.0.0/16 University of Rochester 65536
192.5.53.0/24 University of Rochester 256
199.89.214.0/24 University of Rochester 256
CIDR Description IP NUMs(prefix /64)
2620:107:a000::/40 University of Rochester 16777216
2804:8ea4::/32 FIBRARURAL.NET LTDA 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3549 LVLT-3549 - Level 3 Parent, LLC, US United States 5,440,768 73,020,145,664 IPv4 IPv4 IPv6 IPv6
AS3630 NYSERNET-BLK - NYSERNet, US United States 512 131,072 IPv4 IPv4 IPv6 IPv6
AS3754 NYSERNET3-AS - NYSERNet, US United States 512 131,072 IPv4 IPv4 IPv6 IPv6
AS11351 TWC-11351-NORTHEAST - Charter Communications Inc, US United States 4,761,600 81,639,440,384 IPv6 IPv6
AS273439 FIBRARURAL.NET LTDA, BR Brazil 0 4,294,967,296 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 36,004,608 350,259,314,688 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
128.151.2.1 2 ns1.utd.rochester.edu
128.151.2.17 2 ns-external1.rochester.edu
128.151.2.49 1 ns-external3.rochester.edu
128.151.5.10 1 speedtest1.net.rochester.edu
128.151.6.145 1 gtm-dc1.net.rochester.edu
128.151.7.6 1 ns2.utd.rochester.edu.
128.151.10.1 2 ns.urmc.rochester.edu
128.151.10.5 1 ceiconnect.org
128.151.10.18 1 research2.urmc.rochester.edu
128.151.10.35 36 archbreastcancer.com.ezpminer.urmc.rochester.edu
ASNumber:       20
ASName:         UR
ASHandle:       AS20
RegDate:        1984-07-27
Updated:        2019-10-01    
Ref:            https://rdap.arin.net/registry/autnum/20


OrgName:        University of Rochester
OrgId:          UNIVER-40-Z
Address:        University IT
Address:        44 Celebration Drive, Suite 3.100
City:           Rochester
StateProv:      NY
PostalCode:     14627-8937
Country:        US
RegDate:        2009-03-30
Updated:        2023-05-01
Comment:        Please report network abuse complaints to
Comment:        [email protected]
Ref:            https://rdap.arin.net/registry/entity/UNIVER-40-Z


OrgNOCHandle: URTC-ARIN
OrgNOCName:   University of Rochester Technical Contact
OrgNOCPhone:  +1-585-275-2000 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/URTC-ARIN

OrgTechHandle: URTC-ARIN
OrgTechName:   University of Rochester Technical Contact
OrgTechPhone:  +1-585-275-2000 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/URTC-ARIN

OrgAbuseHandle: URAC1-ARIN
OrgAbuseName:   University of Rochester Abuse Contact
OrgAbusePhone:  +1-585-275-2000 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/URAC1-ARIN

OrgTechHandle: DRB62-ARIN
OrgTechName:   Bentley, Douglas R
OrgTechPhone:  +1-585-315-8730 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/DRB62-ARIN

OrgNOCHandle: DRB62-ARIN
OrgNOCName:   Bentley, Douglas R
OrgNOCPhone:  +1-585-315-8730 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/DRB62-ARIN

OrgTechHandle: FERNA540-ARIN
OrgTechName:   Fernandes, Amit 
OrgTechPhone:  +1-585-275-9113 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/FERNA540-ARIN

RTechHandle: FERNA540-ARIN
RTechName:   Fernandes, Amit 
RTechPhone:  +1-585-275-9113 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/FERNA540-ARIN

RTechHandle: URTC-ARIN
RTechName:   University of Rochester Technical Contact
RTechPhone:  +1-585-275-2000 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/URTC-ARIN