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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 201.222.32.0/22 | 1.0K |
0.0%
|
GIGAMAIS TELECOM | BR | Federal District | Brasília |
| 201.222.32.0/23 | 512 |
0.0%
|
JS CERQUEIRA | BR | — | — |
| 201.222.34.0/24 | 256 |
0.0%
|
JS CERQUEIRA | BR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS271277 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 |
|---|---|---|
| 201.222.32.0/24 | 67,963 | 2026-08-03 10:00:18 |
| 201.222.33.0/24 | 67,766 | 2026-08-03 10:00:18 |
| 201.222.34.0/24 | 65,348 | 2026-08-03 10:00:18 |
| 201.222.35.0/24 | 64,208 | 2026-08-03 10:03:33 |
Frequently Asked Questions
What is AS271277?
AS271277 is an Autonomous System Number assigned to JS CERQUEIRA. 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 AS271277 announce?
AS271277 announces 1.0K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS271277?
AS271277 is operated by JS CERQUEIRA. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS271277 registered in?
AS271277 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
