AS11921
SECRELNET INFORMATICA 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
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 2 internet exchanges: IX.br (PTT.br) São Paulo: ATM/MPLA, IX.br (PTT.br) Fortaleza: ATM/MPLA
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 201.49.0.0/18 | 16.4K |
8.5%
|
SECRELNET INFORMATICA LTDA | BR | Ceará | Fortaleza |
| 200.150.128.0/20 | 4.1K |
18.2%
|
SECRELNET INFORMATICA LTDA | BR | Ceará | Fortaleza |
| 200.194.96.0/20 | 4.1K |
42.4%
|
SECRELNET INFORMATICA LTDA | BR | — | — |
| 200.233.64.0/20 | 4.1K |
15.7%
|
SECRELNET INFORMATICA LTDA | BR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS11921 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 |
|---|---|---|
| 201.49.61.0/24 | 51,000 | 2026-07-24 18:06:02 |
| 200.150.128.0/24 | 35,043 | 2026-07-13 06:46:32 |
| 201.49.38.0/24 | 28,602 | 2026-07-24 18:06:02 |
| 200.150.142.0/24 | 24,544 | 2026-06-10 07:41:43 |
| 200.194.96.0/21 | 24,051 | 2026-07-24 18:06:00 |
| 201.49.0.0/18 | 23,962 | 2026-07-24 18:06:00 |
| 200.150.128.0/20 | 23,871 | 2026-07-24 18:06:00 |
| 200.194.104.0/21 | 23,850 | 2026-07-24 18:06:00 |
| 201.49.58.0/24 | 23,402 | 2026-07-24 18:06:02 |
| 200.233.64.0/20 | 21,477 | 2026-07-24 18:06:01 |
| 201.49.34.0/24 | 13,396 | 2026-06-30 21:16:22 |
| 201.49.56.0/24 | 12,651 | 2026-07-24 18:06:01 |
| 200.150.133.0/24 | 12,156 | 2026-07-07 21:04:44 |
| 201.49.23.0/24 | 10,473 | 2026-07-04 02:54:54 |
| 201.49.60.0/24 | 10,468 | 2026-07-04 02:58:08 |
| 200.150.132.0/24 | 7,384 | 2026-07-04 02:56:28 |
| 200.150.134.0/24 | 6,653 | 2026-06-11 04:42:40 |
| 201.49.57.0/24 | 5,775 | 2026-06-10 07:41:43 |
| 200.150.131.0/24 | 3,228 | 2026-05-23 06:59:24 |
| 200.194.102.0/23 | 874 | 2026-07-24 09:40:14 |
| 200.233.76.0/22 | 859 | 2026-07-24 09:40:14 |
| 200.194.100.0/23 | 852 | 2026-07-24 09:40:14 |
| 200.150.140.0/22 | 851 | 2026-07-24 09:40:14 |
| 200.150.136.0/22 | 837 | 2026-07-24 09:40:14 |
| 200.194.104.0/22 | 836 | 2026-07-24 09:40:14 |
| 200.194.96.0/23 | 835 | 2026-07-24 09:40:14 |
| 200.233.72.0/22 | 832 | 2026-07-24 09:40:14 |
| 200.194.108.0/23 | 832 | 2026-07-24 09:40:14 |
| 200.194.104.0/23 | 830 | 2026-07-24 09:40:14 |
| 200.194.100.0/22 | 820 | 2026-07-24 09:40:14 |
| 200.194.96.0/22 | 819 | 2026-07-24 09:40:14 |
| 200.194.98.0/23 | 816 | 2026-07-24 09:40:14 |
| 200.194.110.0/23 | 815 | 2026-07-24 09:40:14 |
| 200.150.136.0/21 | 803 | 2026-07-24 09:40:14 |
| 200.150.128.0/21 | 796 | 2026-07-24 09:40:14 |
| 200.233.72.0/21 | 794 | 2026-07-24 09:40:14 |
| 200.150.128.0/22 | 790 | 2026-07-24 09:40:14 |
| 200.233.64.0/21 | 789 | 2026-07-24 09:40:14 |
| 200.150.132.0/22 | 781 | 2026-07-24 09:40:14 |
| 200.194.108.0/22 | 781 | 2026-07-24 09:40:14 |
| 200.233.68.0/22 | 781 | 2026-07-24 09:40:14 |
| 200.194.106.0/23 | 777 | 2026-07-24 09:40:14 |
| 200.233.64.0/22 | 776 | 2026-07-24 09:40:14 |
| 201.49.32.0/20 | 755 | 2026-07-24 09:40:14 |
| 201.49.16.0/20 | 749 | 2026-07-24 09:40:14 |
| 201.49.48.0/20 | 743 | 2026-07-24 09:40:14 |
| 201.49.32.0/19 | 725 | 2026-07-24 09:40:14 |
| 201.49.0.0/19 | 717 | 2026-07-24 09:40:14 |
| 201.49.0.0/20 | 716 | 2026-07-24 09:40:14 |
| 200.150.129.0/24 | 312 | 2026-05-19 21:13:05 |
Showing top 50 of 51 announced prefixes by sample volume.
Frequently Asked Questions
What is AS11921?
AS11921 is an Autonomous System Number assigned to SECRELNET INFORMATICA 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 AS11921 announce?
AS11921 announces 28.7K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS11921?
AS11921 is operated by SECRELNET INFORMATICA LTDA. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS11921 registered in?
AS11921 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
