128.151.172.4

The public IP address 128.151.172.4 is located in Rochester, New York, 14620, United States. It is assigned to the ISP University of Rochester. The address belongs to ASN 20 which is delegated to UR.

Please have a look at the tables below for full details about 128.151.172.4, or use the IP Lookup tool to find the approximate IP location for any public IP address.

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128.151.172.4 IP Address Location

Reverse IP (PTR)sp-citrix-lb0x-x-vlan207-1.urmc-sh.rochester.edu
ASN20 (UR)
ISP / OrganizationUniversity of Rochester
Connection TypeCable/DSL [internet speed test]
LocationRochester, New York, 14620, United States
ContinentNorth America
CountryUnited States (US)
StateNew York (NY)
CityRochester
Postcode14620
Latitude43.1311 / 43°7′51″ N
Longitude-77.6053 / 77°36′19″ W
TimezoneAmerica/New_York
Local Time

IANA IPv4 Address Space Allocation for Subnet 128.0.0.0/8

IPv4 Address Space Prefix128/8
Regional Internet Registry (RIR)Administered by ARIN
Allocation Date
WHOIS Serverwhois.arin.net
RDAP Serverhttps://rdap.arin.net/registry, http://rdap.arin.net/registry
StatusLEGACY
Allocated by the central Internet Registry (IR) prior to the Regional Internet Registries (RIRs). This address space is now administered by individual RIRs as noted, including maintenance of WHOIS Directory and reverse DNS records. Assignments from these blocks are distributed globally on a regional basis.

128.151.172.4 IP Address Representations

CIDR Notation128.151.172.4/32
Decimal Notation2157423620
Hexadecimal Notation0x8097ac04
Octal Notation020045726004
Binary Notation10000000100101111010110000000100
Dotted-Decimal Notation128.151.172.4
Dotted-Hexadecimal Notation0x80.0x97.0xac.0x04
Dotted-Octal Notation0200.0227.0254.04
Dotted-Binary Notation10000000.10010111.10101100.00000100