AS8851: IP address ranges and network type
AS8851 holds 675 IPv4 segments covering 488,448 addresses across 19 countries, 88% of them in United Kingdom as of 30 October 2026. By usage type it is 83% datacenter and 14% residential broadband.
Network usage types in AS8851
What kind of address space a network is made of decides what kind of proxy risk it carries: datacenter space is where hosting-based proxies and VPN exits live; residential broadband and mobile space is where home-broadband proxies and dial-up pools live. The share is by IPv4 segment.
| Usage type | Segments | Share |
|---|---|---|
| Datacenter | 129 | 83.2% |
| Residential broadband | 21 | 13.5% |
| Gateway / NAT egress | 5 | 3.2% |
Countries where AS8851 has addresses
Share of the network's IPv4 segments by the country each segment is located in. A network whose space is spread over many countries is usually a hosting or transit operator rather than a domestic broadband provider.
| Country / region | Segments | Share |
|---|---|---|
| United Kingdom | 595 | 88.1% |
| United States | 33 | 4.9% |
| Belgium | 13 | 1.9% |
| India | 6 | 0.9% |
| China | 4 | 0.6% |
| South Korea | 4 | 0.6% |
| France | 3 | 0.4% |
| Austria | 2 | 0.3% |
| Japan | 2 | 0.3% |
| Netherlands | 2 | 0.3% |
| Romania | 2 | 0.3% |
| Singapore | 2 | 0.3% |
| Australia | 1 | 0.1% |
| Canada | 1 | 0.1% |
| Spain | 1 | 0.1% |
| Greece | 1 | 0.1% |
| Indonesia | 1 | 0.1% |
| Latvia | 1 | 0.1% |
| Türkiye | 1 | 0.1% |
Look up a single address in AS8851
Free, no signup: curl https://ip99.com/v1/ip/37.98.144.0 returns the country, ASN, usage type and a risk score for one address — see the API documentation. For scoring at volume, pricing; for what the score does and does not mean, what an IP risk score means.
Go deeper
How to tell whether an address is a proxy, VPN or datacenter · Rotating residential proxies and dial-up pools · Proxy exit addresses captured this week · IP ranges by country · What an IP address lookup can and cannot tell you · How IP location works · What is my IP address?
FAQ
How many IP addresses does AS8851 have?
In the IP99 geolocation database AS8851 holds 675 IPv4 segments covering 488,448 addresses as of 30 October 2026. Counts are by located segment, not by BGP announcement, so they can differ from a routing table.
Is AS8851 a residential or a datacenter network?
83% of its IPv4 segments are classified as datacenter and 14% as residential broadband. The classification is per segment: one network can carry both kinds of space, which is why a lookup of the exact address is more useful than the network-level share.
Which countries does AS8851 cover?
AS8851 has addresses in 19 countries; the largest share is United Kingdom (88%), followed by United States (5%).