Reserved IP Address 248.11.42.21
248.11.42.21 belongs to the reserved IP address space 240.0.0.0-255.255.255.255 (240.0.0.0/4).
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Not every IP address has owner information associated with it. This is the case with your lookup of 248.11.42.21 here on IPAddress.com. 248.11.42.21 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 248.11.42.21 have limited information available because they exist in private networks or configurations. Routers and network modems for example might use 248.11.42.21 in the default configuration. You would type 248.11.42.21 directly in your web browser to login the admin interface.
Examples of router and modem brands that might use 248.11.42.21 in their configuration include Cisco Linksys, Netgear, TP-Link, ASUS, D-Link, Netcomm, Zyxel, Edimax, Belkin, Thomson, and hundreds more.
In other times 248.11.42.21 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 248.0.0.0/8
| IPv4 Address Space Prefix | 248/8 |
|---|---|
| Regional Internet Registry (RIR) | Future use |
| Allocation Date | |
| Status | RESERVED Designated by the IETF (Internet Engineering Task Force) for specific non-global-unicast purposes as noted. |
| Notes | Reserved for future use (formerly "Class E") RFC1112. Reserved by protocol. For authoritative registration, see IANA IPv4 Special-Purpose Address Registry. |
248.11.42.21 IP Address Representations
| CIDR Notation | 248.11.42.21/32 |
|---|---|
| Decimal Notation | 4161481237 |
| Hexadecimal Notation | 0xf80b2a15 |
| Octal Notation | 037002625025 |
| Binary Notation | 11111000000010110010101000010101 |
| Dotted-Decimal Notation | 248.11.42.21 |
| Dotted-Hexadecimal Notation | 0xf8.0x0b.0x2a.0x15 |
| Dotted-Octal Notation | 0370.013.052.025 |
| Dotted-Binary Notation | 11111000.00001011.00101010.00010101 |
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