128.103.64.104 🇺🇸

The public IP address 128.103.64.104 is located in Cambridge, Massachusetts, 02139, United States. It is assigned to the ISP Harvard University. The address belongs to ASN 1742 which is delegated to HARVARD-UNIV.
Please have a look at the tables below for full details about 128.103.64.104, or use the IP Lookup tool to find the approximate IP location for any public IP address.

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128.103.64.104 IP Address Location

Reverse IP (PTR)smtp.cyber.harvard.edu
ASN1742 (HARVARD-UNIV)
ISP / OrganizationHarvard University
IP Connection TypeCable/DSL [internet speed test]
IP LocationCambridge, Massachusetts, 02139, United States
IP ContinentNorth America
IP Country🇺🇸 United States (US)
IP StateMassachusetts (MA)
IP CityCambridge
IP Postcode02139
IP Latitude42.3649 / 42°21′53″ N
IP Longitude-71.0987 / 71°5′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.

128.103.64.104 IP Address Representations

CIDR Notation128.103.64.104/32
Decimal Notation2154250344
Hexadecimal Notation0x80674068
Octal Notation020031640150
Binary Notation10000000011001110100000001101000
Dotted-Decimal Notation128.103.64.104
Dotted-Hexadecimal Notation0x80.0x67.0x40.0x68
Dotted-Octal Notation0200.0147.0100.0150
Dotted-Binary Notation10000000.01100111.01000000.01101000