18.3.8.1 🇺🇸

The public IP address 18.3.8.1 is located in Cambridge, Massachusetts, 02139, United States. It is assigned to the ISP Massachusetts Institute of Technology. The address belongs to ASN 3 which is delegated to MIT-GATEWAYS.
Please have a look at the tables below for full details about 18.3.8.1, or use the IP Lookup tool to find the approximate IP location for any public IP address.

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18.3.8.1 IP Address Location

Reverse IP (PTR)vl308-ether.mit.edu
ASN3 (MIT-GATEWAYS)
ISP / OrganizationMassachusetts Institute of Technology
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 18.0.0.0/8

IPv4 Address Space Prefix018/8
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.

18.3.8.1 IP Address Representations

CIDR Notation18.3.8.1/32
Decimal Notation302188545
Hexadecimal Notation0x12030801
Octal Notation02200604001
Binary Notation 10010000000110000100000000001
Dotted-Decimal Notation18.3.8.1
Dotted-Hexadecimal Notation0x12.0x03.0x08.0x01
Dotted-Octal Notation022.03.010.01
Dotted-Binary Notation00010010.00000011.00001000.00000001

18.3.8.1 Common Typing Errors

You might encounter misspelled IP addresses containing "o", "l" or "I" characters instead of digits. The following list includes some typical typing errors for 18.3.8.1.

  • 18.3.8.I
  • 18.3.8.l