173.203.6.129 - IP Address Lookup

The IP address location of 173.203.6.129 is San Antonio 78202, Texas (TX), United States (US).

173.203.6.129 is a public IP address that belongs to ASN 19994 which is under the control of Rackspace Ltd.. The prefix 173/8 (173.0.0.0/8) was allocated to ARIN by the Internet Assigned Numbers Authority (IANA) in .

173.203.6.129 IP Address Location

Here you will find the approximate IP geolocation for 173.203.6.129 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 Lookupsmtp129.ord.emailsrvr.com
IP Address ASN19994 controlled by Rackspace Ltd.
IP Address ISPRackspace Hosting
IP OrganizationRackspace Ltd.
IP Connection TypeCorporate [internet speed test]
IP Location ContinentNorth America
IP Location CountryUnited States (US)
IP Location StateTexas (TX)
IP Location CitySan Antonio
IP Location Postcode78202
IP Location Latitude29.4280 / 29°25′40″ N
IP Location Longitude-98.4621 / 98°27′43″ W
IP Location TimezoneAmerica/Chicago
IP Location Local Time

IANA IPv4 Address Space Allocation for Subnet 173.0.0.0/8

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 Prefix173/8
Regional Internet Registry (RIR)ARIN
Allocation Date
WHOIS Serverwhois.arin.net
RDAP Serverhttps://rdap.arin.net/registry, http://rdap.arin.net/registry
StatusALLOCATED
Delegated entirely to specific RIR (Regional Internet Registry) as indicated.

173.203.6.129 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 173.203.6.129.

  • smtp129.ord.emailsrvr.com

173.203.6.129 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 173.203.006.129 or 010.010.010.010 because they might impose an ambiguity with octal numbers.
Below you can find some ways to express an IPv4 address.

Decimal Notation2915763841
Hexadecimal Notation0xadcb0681
Octal Notation025562603201
Binary Notation10101101110010110000011010000001
Dotted-Decimal Notation173.203.6.129
Dotted-Hexadecimal Notation0xad.0xcb.0x06.0x81
Dotted-Octal Notation0255.0313.06.0201
Dotted-Binary Notation10101101.11001011.00000110.10000001

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