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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 38.211.16.0/21 | 2.0K |
0.1%
|
Cogent Communications, LLC | US | — | — |
| 38.10.152.0/23 | 512 |
63.9%
|
World Fibra | US | — | — |
| 38.191.94.0/23 | 512 |
97.7%
|
World Fibra | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS272447 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 |
|---|---|---|
| 38.191.94.0/23 | 78,839 | 2026-07-18 11:35:29 |
| 38.10.152.0/23 | 77,720 | 2026-07-18 11:35:22 |
| 38.211.16.0/21 | 59,526 | 2026-07-18 11:35:29 |
| 38.211.23.0/24 | 3,595 | 2026-07-18 09:46:47 |
| 38.211.22.0/23 | 1,409 | 2026-07-18 09:46:47 |
| 38.211.20.0/23 | 1,400 | 2026-07-18 09:46:47 |
| 38.211.20.0/22 | 1,380 | 2026-07-18 09:46:47 |
| 38.211.18.0/23 | 1,374 | 2026-07-18 09:46:47 |
| 38.211.16.0/23 | 1,368 | 2026-07-18 09:46:47 |
| 38.211.16.0/22 | 1,346 | 2026-07-18 09:46:47 |
| 38.191.95.0/24 | 1,300 | 2026-07-18 09:46:47 |
| 38.191.94.0/24 | 1,264 | 2026-07-18 09:46:47 |
| 38.10.153.0/24 | 1,004 | 2026-07-18 09:46:47 |
| 38.10.152.0/24 | 982 | 2026-07-18 09:46:47 |
| 38.211.17.0/24 | 954 | 2026-07-18 09:46:47 |
| 38.211.21.0/24 | 948 | 2026-07-18 09:46:47 |
| 38.211.20.0/24 | 933 | 2026-07-18 09:46:47 |
| 38.211.16.0/24 | 918 | 2026-07-18 09:46:47 |
| 38.211.22.0/24 | 913 | 2026-07-18 09:46:47 |
| 38.211.19.0/24 | 902 | 2026-07-18 09:46:47 |
| 38.211.18.0/24 | 888 | 2026-07-18 09:46:47 |
Frequently Asked Questions
What is AS272447?
AS272447 is an Autonomous System Number assigned to World Fibra. 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 AS272447 announce?
AS272447 announces 3.1K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS272447?
AS272447 is operated by World Fibra. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS272447 registered in?
AS272447 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
