158.121.104.55 🇺🇸

The public IP address 158.121.104.55 is located in Boston, Massachusetts, 02119, United States. It is assigned to the ISP Umassnet-as1968. The address belongs to ASN 1968 which is delegated to UMASSNET-AS1968.
Please have a look at the tables below for full details about 158.121.104.55, or use the IP Lookup tool to find the approximate IP location for any public IP address.

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158.121.104.55 IP Address Location

Reverse IP (PTR)vm55.cs.umb.edu
ASN1968 (UMASSNET-AS1968)
ISP / OrganizationUmassnet-as1968
IP Connection TypeCable/DSL [internet speed test]
IP LocationBoston, Massachusetts, 02119, United States
IP ContinentNorth America
IP Country🇺🇸 United States (US)
IP StateMassachusetts (MA)
IP CityBoston
IP Postcode02119
IP Latitude42.3253 / 42°19′31″ N
IP Longitude-71.0951 / 71°5′42″ W
IP TimezoneAmerica/New_York
IP Local Time

IANA IPv4 Address Space Allocation for Subnet 158.0.0.0/8

IPv4 Address Space Prefix158/8
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.

158.121.104.55 IP Address Representations

CIDR Notation158.121.104.55/32
Decimal Notation2658756663
Hexadecimal Notation0x9e796837
Octal Notation023636264067
Binary Notation10011110011110010110100000110111
Dotted-Decimal Notation158.121.104.55
Dotted-Hexadecimal Notation0x9e.0x79.0x68.0x37
Dotted-Octal Notation0236.0171.0150.067
Dotted-Binary Notation10011110.01111001.01101000.00110111