Reserved IP Address 127.252.154.121
127.252.154.121 belongs to the reserved IP address space 127.0.0.0-127.255.255.255 (127.0.0.0/8).
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Not every IP address has owner information associated with it. This is the case with your lookup of 127.252.154.121 here on IPAddress.com. 127.252.154.121 falls in to one of these categories. The categories include either a internal IP address, private IP address, or reserved IP address.
All of these types of IP addressess like 127.252.154.121 have limited information available because they exist in private networks or configurations. Routers and network modems for example might use 127.252.154.121 in the default configuration. You would type 127.252.154.121 directly in your web browser to login the admin interface.
Examples of router and modem brands that might use 127.252.154.121 in their configuration include Cisco Linksys, Netgear, TP-Link, ASUS, D-Link, Netcomm, Zyxel, Edimax, Belkin, Thomson, and hundreds more.
In other times 127.252.154.121 may fall in a reserved IP range whose scope could be set aside for use in software, subnets, and private networks. Private networks exist to keep local traffic contained to a home or business, and not exposed outside of these areas.
Examples of private or reserved use include broadcast messages, local communications, service providers, testing, and future applications.
IANA IPv4 Address Space Allocation for Subnet 127.0.0.0/8
| IPv4 Address Space Prefix | 127/8 |
|---|---|
| Regional Internet Registry (RIR) | IANA - Loopback |
| Allocation Date | |
| Status | RESERVED Designated by the IETF (Internet Engineering Task Force) for specific non-global-unicast purposes as noted. |
| Notes | 127.0.0.0/8 reserved for Loopback RFC1122, section 3.2.1.3. Reserved by protocol. For authoritative registration, see IANA IPv4 Special-Purpose Address Registry. |
127.252.154.121 IP Address Representations
| CIDR Notation | 127.252.154.121/32 |
|---|---|
| Decimal Notation | 2147261049 |
| Hexadecimal Notation | 0x7ffc9a79 |
| Octal Notation | 017777115171 |
| Binary Notation | 1111111111111001001101001111001 |
| Dotted-Decimal Notation | 127.252.154.121 |
| Dotted-Hexadecimal Notation | 0x7f.0xfc.0x9a.0x79 |
| Dotted-Octal Notation | 0177.0374.0232.0171 |
| Dotted-Binary Notation | 01111111.11111100.10011010.01111001 |
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