What Is My IP:
54.162.15.31

128.59.21.9

The public IP address 128.59.21.9 is located in New York, New York, 10025, United States. It is assigned to the ISP Columbia University. The address belongs to ASN 14 which is delegated to Columbia University.
Please have a look at the tables below for full details about 128.59.21.9, or use the IP Lookup tool to find the approximate IP location for any public IP address.

128.59.21.9 IP Address Location

Reverse IP (PTR)mantessanb.cs.columbia.edu
ASN14 (Columbia University)
ISP / OrganizationColumbia University
IP Connection TypeCable/DSL [internet speed test]
IP LocationNew York, New York, 10025, United States
IP ContinentNorth America
IP CountryUnited States (US)
IP StateNew York (NY)
IP CityNew York
IP Postcode10025
IP Latitude40.8006 / 40°48′2″ N
IP Longitude-73.9653 / 73°57′55″ W
IP TimezoneAmerica/New_York
IP 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.

128.59.21.9 Reverse IP Lookup

128.59.21.9 IP Address Representations

CIDR Notation128.59.21.9/32
Decimal Notation2151355657
Hexadecimal Notation0x803b1509
Octal Notation020016612411
Binary Notation10000000001110110001010100001001
Dotted-Decimal Notation128.59.21.9
Dotted-Hexadecimal Notation0x80.0x3b.0x15.0x09
Dotted-Octal Notation0200.073.025.011
Dotted-Binary Notation10000000.00111011.00010101.00001001

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