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 |
|---|---|---|---|---|---|---|
| 187.102.220.0/22 | 1.0K |
0.0%
|
MASTERNET TELECOMUNICACAO LTDA | BR | Minas Gerais | São Pedro do Suaçuí |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS270736 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 |
|---|---|---|
| 187.102.220.0/24 | 121,729 | 2026-08-05 14:53:45 |
| 187.102.221.0/24 | 121,688 | 2026-08-05 14:53:45 |
| 187.102.220.0/23 | 118,896 | 2026-08-05 14:53:45 |
| 187.102.223.0/24 | 105,582 | 2026-08-05 14:53:45 |
| 187.102.222.0/24 | 74,428 | 2026-08-05 14:42:09 |
Frequently Asked Questions
What is AS270736?
AS270736 is an Autonomous System Number assigned to MASTERNET TELECOMUNICACAO 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 AS270736 announce?
AS270736 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS270736?
AS270736 is operated by MASTERNET TELECOMUNICACAO LTDA. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS270736 registered in?
AS270736 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
