A private IPv4 address block reserved for internal networks. These addresses are not globally routable on the public internet — home, corporate, and data-center LANs commonly use them.
This range is reserved by IANA — it is not allocated to an organization, ISP, or regional internet registry. Addresses here appear on every private/internal network that follows the standard, so lookups will not identify a specific owner. 10.99.0.0/30 is a sub-block of 10.0.0.0/8, the defining reserved range.
BGP Routing
Live BGP anomalies →This block is announced in BGP, observed across our RIPE RIS collectors.
Frequently Asked Questions
What is 10.99.0.0/30?
10.99.0.0/30 falls inside 10.0.0.0/8 — a Private network range reserved by RFC 1918. A private IPv4 address block reserved for internal networks. These addresses are not globally routable on the public internet — home, corporate, and data-center LANs commonly use them.
Is 10.99.0.0/30 routable on the public internet?
No. 10.99.0.0/30 is part of IANA-reserved special-use space (10.0.0.0/8, RFC 1918). Packets with these addresses are either filtered by backbone routers or handled as local/special traffic — they never reach the public internet.
Who owns 10.99.0.0/30?
10.99.0.0/30 is not allocated to any organization or ISP. It is part of the Private network block reserved by IANA under RFC 1918 for every network to use privately.
