AS28204
Keraxweb Servicos de Int. e Internet Ltda
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
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 189.91.48.0/20 | 4.1K |
90.3%
|
Keraxweb Servicos de Int. e Internet Ltda | BR | São Paulo | Santana de Parnaíba |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS28204 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 |
|---|---|---|
| 189.91.49.0/24 | 64,623 | 2026-07-31 03:13:14 |
| 189.91.60.0/24 | 62,512 | 2026-07-31 03:11:10 |
| 189.91.60.0/22 | 56,479 | 2026-07-31 03:11:10 |
| 189.91.56.0/22 | 56,366 | 2026-07-31 03:11:10 |
| 189.91.50.0/23 | 55,921 | 2026-07-31 03:11:10 |
| 189.91.52.0/23 | 55,891 | 2026-07-31 03:11:10 |
| 189.91.51.0/24 | 50,105 | 2026-07-31 03:11:10 |
| 189.91.57.0/24 | 49,912 | 2026-07-31 03:11:10 |
| 189.91.48.0/20 | 44,312 | 2026-07-31 03:11:10 |
| 189.91.61.0/24 | 39,242 | 2026-07-31 03:14:14 |
| 189.91.52.0/24 | 1,278 | 2026-07-31 03:11:14 |
| 189.91.59.0/24 | 1,277 | 2026-07-31 03:11:14 |
| 189.91.58.0/24 | 1,270 | 2026-07-31 03:11:13 |
| 189.91.53.0/24 | 1,058 | 2026-07-31 03:11:21 |
Frequently Asked Questions
What is AS28204?
AS28204 is an Autonomous System Number assigned to Keraxweb Servicos de Int. e Internet Ltda. 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 AS28204 announce?
AS28204 announces 4.1K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS28204?
AS28204 is operated by Keraxweb Servicos de Int. e Internet Ltda. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS28204 registered in?
AS28204 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
