129.105.21.49 🇺🇸

The public IP address 129.105.21.49 is located in Chicago, Illinois, 60645, United States. It is assigned to the ISP Northwestern University. The address belongs to ASN 103 which is delegated to NWU-AS.
Please have a look at the tables below for full details about 129.105.21.49, or use the IP Lookup tool to find the approximate IP location for any public IP address.

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129.105.21.49 IP Address Location

Reverse IP (PTR)persis.phys.northwestern.edu
ASN103 (NWU-AS)
ISP / OrganizationNorthwestern University
IP Connection TypeCable/DSL [internet speed test]
IP LocationChicago, Illinois, 60645, United States
IP ContinentNorth America
IP Country🇺🇸 United States (US)
IP StateIllinois (IL)
IP CityChicago
IP Postcode60645
IP Latitude42.0096 / 42°0′34″ N
IP Longitude-87.6928 / 87°41′34″ W
IP TimezoneAmerica/Chicago
IP Local Time

IANA IPv4 Address Space Allocation for Subnet 129.0.0.0/8

IPv4 Address Space Prefix129/8
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.

129.105.21.49 IP Address Representations

CIDR Notation129.105.21.49/32
Decimal Notation2171147569
Hexadecimal Notation0x81691531
Octal Notation020132212461
Binary Notation10000001011010010001010100110001
Dotted-Decimal Notation129.105.21.49
Dotted-Hexadecimal Notation0x81.0x69.0x15.0x31
Dotted-Octal Notation0201.0151.025.061
Dotted-Binary Notation10000001.01101001.00010101.00110001