IP address ranges in Guam
Guam holds 261 IPv4 segments in the IP99 geolocation database, covering 252,764 addresses. In the 7 days to 27 October 2026 we newly captured 363 proxy-type addresses there.
Network usage types
The ratio of residential broadband to datacenter address space is the most direct indicator of what kind of proxy risk a region carries: a high datacenter share means datacenter proxies are more likely; a high residential share means home-broadband proxies and dial-up pools are.
| Usage type | Segments | Share |
|---|---|---|
| Residential broadband | 30 | 41.7% |
| Gateway / NAT egress | 19 | 26.4% |
| Mobile network | 13 | 18.1% |
| Datacenter | 7 | 9.7% |
| Education network | 3 | 4.2% |
Regions
| Region | Segments | Share |
|---|---|---|
| Dededo | 82 | 31.4% |
| Yigo | 65 | 24.9% |
| Tamuning | 55 | 21.1% |
| Hagatna | 25 | 9.6% |
| Agat | 24 | 9.2% |
| Piti | 4 | 1.5% |
| Barrigada | 2 | 0.8% |
| Mangilao | 2 | 0.8% |
| Santa Rita | 2 | 0.8% |
Cities
| City | Segments | Share |
|---|---|---|
| Dededo Village | 82 | 31.4% |
| Yigo Village | 65 | 24.9% |
| Tamuning-Tumon-Harmon Village | 55 | 21.1% |
| Agat Village | 24 | 9.2% |
| Hagåtña | 24 | 9.2% |
| Piti Village | 4 | 1.5% |
| Barrigada Village | 2 | 0.8% |
| Mangilao Village | 2 | 0.8% |
| Santa Rita Village | 2 | 0.8% |
| Hagatna | 1 | 0.4% |
Autonomous systems
An ASN identifies the operator of a network. Addresses under one ASN usually share risk characteristics, which is why risk controls often act on whole ASNs rather than single addresses. Operator names are not published here — the machine-readable identity is the ASN.
Look up a single address
Free, no signup: curl https://ip99.com/v1/ip/8.8.8.8 — see the API documentation.
Go deeper
What is my IP address? · How IP location works, and how accurate it is · What an IP address lookup can and cannot tell you