Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 5 internet exchanges: Equinix Ashburn, PR-IX: Main, Equinix Miami, IX.br (PTT.br) São Paulo: ATM/MPLA, FL-IX
AS21559 — global IP footprint
Cities where AS21559 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS21559 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 208.81.59.0/24 | 4,560 | 2026-07-19 14:27:07 |
| 72.46.158.0/23 | 4,539 | 2026-07-19 14:27:07 |
| 167.94.224.0/23 | 4,538 | 2026-07-19 14:27:07 |
| 172.93.2.0/23 | 4,536 | 2026-07-19 14:27:07 |
| 192.254.96.0/20 | 4,534 | 2026-07-19 14:27:07 |
| 72.46.157.0/24 | 4,531 | 2026-07-19 14:27:07 |
| 198.52.240.0/22 | 4,527 | 2026-07-19 14:27:07 |
| 208.81.58.0/23 | 4,525 | 2026-07-19 14:27:07 |
| 204.77.10.0/23 | 4,525 | 2026-07-19 14:27:07 |
| 198.52.240.0/24 | 4,517 | 2026-07-19 14:27:07 |
| 104.238.232.0/23 | 4,517 | 2026-07-19 14:27:07 |
| 104.218.241.0/24 | 4,516 | 2026-07-19 14:27:07 |
| 74.119.24.0/22 | 4,516 | 2026-07-19 14:27:07 |
| 104.218.240.0/22 | 4,514 | 2026-07-19 14:27:07 |
| 198.52.241.0/24 | 4,514 | 2026-07-19 14:27:07 |
| 192.254.109.0/24 | 4,514 | 2026-07-19 14:27:07 |
| 104.238.192.0/22 | 4,514 | 2026-07-19 14:27:07 |
| 167.94.225.0/24 | 4,509 | 2026-07-19 14:27:07 |
| 199.116.62.0/24 | 4,507 | 2026-07-19 14:27:07 |
| 204.77.11.0/24 | 4,503 | 2026-07-19 14:27:07 |
| 192.228.98.0/23 | 4,489 | 2026-07-19 14:27:07 |
| 74.119.24.0/24 | 4,469 | 2026-07-19 14:27:07 |
| 38.2.160.0/19 | 4,469 | 2026-07-19 14:27:07 |
| 200.5.16.0/20 | 4,458 | 2026-07-19 14:27:07 |
| 69.24.197.0/24 | 4,445 | 2026-07-19 14:27:07 |
| 69.24.199.0/24 | 4,443 | 2026-07-19 14:27:07 |
| 69.24.198.0/24 | 4,442 | 2026-07-19 14:27:07 |
| 38.107.88.0/21 | 4,440 | 2026-07-19 14:27:07 |
| 38.87.232.0/21 | 4,431 | 2026-07-19 14:27:07 |
| 72.46.156.0/23 | 4,424 | 2026-07-19 14:27:07 |
| 154.64.216.0/21 | 4,417 | 2026-07-19 14:27:07 |
| 149.18.39.0/24 | 4,415 | 2026-07-19 14:27:07 |
| 67.206.200.0/21 | 4,409 | 2026-07-19 14:27:07 |
| 173.239.206.0/24 | 4,406 | 2026-07-19 14:27:07 |
| 69.24.200.0/24 | 4,395 | 2026-07-19 14:27:07 |
| 154.64.208.0/21 | 4,389 | 2026-07-19 14:27:07 |
| 192.254.96.0/24 | 4,379 | 2026-07-19 14:28:30 |
| 192.254.97.0/24 | 4,369 | 2026-07-19 14:28:30 |
| 173.239.228.0/24 | 4,369 | 2026-07-19 14:27:07 |
| 200.5.23.0/24 | 4,334 | 2026-07-19 14:27:07 |
| 200.5.22.0/24 | 4,311 | 2026-07-19 14:27:07 |
| 149.18.21.0/24 | 4,292 | 2026-07-19 14:27:07 |
Frequently Asked Questions
What is AS21559?
AS21559 is an Autonomous System Number assigned to OSNET. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS21559 announce?
AS21559 announces 31.5K IPv4 addresses distributed across 44 routed CIDR prefixes. The network is registered in Puerto Rico.
Who operates AS21559?
AS21559 is operated by OSNET. The organization is based in Puerto Rico. You can view all IP ranges and related ASNs on the organization page.
What country is AS21559 registered in?
AS21559 is registered in Puerto Rico. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
