128.193.154.187 - IP Address Lookup

The IP address location of 128.193.154.187 is Corvallis 97331, Oregon (OR), United States (US).

128.193.154.187 is a public IP address that belongs to ASN 4201 which is under the control of Oregon State University. The prefix 128/8 (128.0.0.0/8) was delegated for administration to ARIN by the Internet Assigned Numbers Authority (IANA) in .

128.193.154.187 IP Address Location

Here you will find the approximate IP geolocation for 128.193.154.187 as reported by our IP Tracker along with additional information like ASN mapping, ISP, and the type of internet connection. Use the free IP Lookup tool to find the IP geolocation for any public IP address.

IP PTR / DNS Reverse Lookup128-193-154-187.ptpg.oregonstate.edu
IP Address ASN4201 controlled by Oregon State University
IP ISP / OrganizationOregon State University
IP Connection TypeCable/DSL [internet speed test]
IP Location ContinentNorth America
IP Location CountryUnited States (US)
IP Location StateOregon (OR)
IP Location CityCorvallis
IP Location Postcode97331
IP Location Latitude44.5642 / 44°33′51″ N
IP Location Longitude-123.2790 / 123°16′44″ W
IP Location TimezoneAmerica/Los_Angeles
IP Location Local Time

IANA IPv4 Address Space Allocation for Subnet 128.0.0.0/8

The Internet Assigned Numbers Authority (IANA) is responsible for global IP address space allocation to Regional Internet Registries (RIRs). The available IPv4 address space is typically allocated to RIRs as /8 prefix blocks, and the RIRs delegate smaller blocks of their address pools to Local Internet Registries (LIRs) like Internet Service Providers and other organizations in their designated locations.

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.

128.193.154.187 Reverse IP Lookup

Reverse IP address lookup is the process of mapping an IP address to its corresponding hostnames. Below you will find a list of hostnames that resolve to IP address 128.193.154.187.

  • 128-193-154-187.ptpg.oregonstate.edu

128.193.154.187 IP Address Representations

An IPv4 address is defined as a 32-bit number, and thus it can be written in any notation that is capable of representing a 32-bit integer value. If human-readability is a requirement, IPv4 addresses are most often expressed in quad-dotted decimal notation with 4 octets ranging from 0 to 255 each.
Note: You should avoid IP addresses with zero-padded decimal octets like 010.010.010.010 because they might impose an ambiguity with octal numbers.
Below you can find some ways to express an IPv4 address.

CIDR Notation128.193.154.187/32
Decimal Notation2160171707
Hexadecimal Notation0x80c19abb
Octal Notation020060315273
Binary Notation10000000110000011001101010111011
Dotted-Decimal Notation128.193.154.187
Dotted-Hexadecimal Notation0x80.0xc1.0x9a.0xbb
Dotted-Octal Notation0200.0301.0232.0273
Dotted-Binary Notation10000000.11000001.10011010.10111011

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