AS28189
JR & JS ENGENHARIA E COMERCIO 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 v1.2.1 — 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, Equinix São Paulo: Equinix IX - SP Metro
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 186.224.208.0/20 | 4.1K |
0.5%
|
JR & JS ENGENHARIA E COMERCIO LTDA | BR | São Paulo | São Paulo |
| 186.224.200.0/21 | 2.0K |
1.0%
|
JR & JS ENGENHARIA E COMERCIO LTDA | BR | São Paulo | Santana de Parnaíba |
| 189.90.8.0/21 | 2.0K |
0.2%
|
JR & JS ENGENHARIA E COMERCIO LTDA | BR | São Paulo | São Paulo |
| 186.224.196.0/22 | 1.0K |
0.0%
|
JR & JS ENGENHARIA E COMERCIO LTDA | BR | — | — |
| 189.90.4.0/22 | 1.0K |
0.8%
|
JR & JS ENGENHARIA E COMERCIO LTDA | BR | — | — |
| 186.224.198.0/23 | 512 |
0.0%
|
JR & JS ENGENHARIA E COMERCIO LTDA | BR | — | — |
| 189.90.2.0/23 | 512 |
0.0%
|
JR & JS ENGENHARIA E COMERCIO LTDA | BR | — | — |
| 186.224.192.0/24 | 256 |
0.0%
|
JR & JS ENGENHARIA E COMERCIO LTDA | BR | — | — |
| 186.224.194.0/24 | 256 |
0.0%
|
JR & JS ENGENHARIA E COMERCIO LTDA | BR | — | — |
| 186.224.196.0/24 | 256 |
0.0%
|
JR & JS ENGENHARIA E COMERCIO LTDA | BR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS28189 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 |
|---|---|---|
| 189.90.2.0/24 | 145,244 | 2026-09-14 13:43:38 |
| 189.90.8.0/21 | 139,353 | 2026-10-20 09:42:54 |
| 186.224.208.0/20 | 137,522 | 2026-10-20 09:42:52 |
| 186.224.215.0/24 | 134,729 | 2026-09-11 21:48:36 |
| 186.224.192.0/20 | 131,470 | 2026-10-20 09:42:52 |
| 189.90.13.0/24 | 128,719 | 2026-09-15 18:55:32 |
| 189.90.3.0/24 | 123,750 | 2026-09-13 12:49:29 |
| 189.90.4.0/24 | 123,114 | 2026-09-13 12:49:29 |
| 186.224.208.0/24 | 109,376 | 2026-09-11 21:37:35 |
| 189.90.15.0/24 | 108,175 | 2026-09-11 21:37:35 |
| 186.224.210.0/24 | 105,132 | 2026-09-11 21:37:35 |
| 189.90.8.0/24 | 103,603 | 2026-09-14 15:07:44 |
| 189.90.5.0/24 | 103,219 | 2026-09-13 00:39:04 |
| 186.224.198.0/24 | 103,212 | 2026-09-13 05:04:50 |
| 186.224.200.0/24 | 101,964 | 2026-09-11 21:37:35 |
| 186.224.209.0/24 | 100,875 | 2026-09-11 21:37:35 |
| 186.224.202.0/24 | 100,667 | 2026-10-02 14:23:52 |
| 189.90.7.0/24 | 100,290 | 2026-09-12 09:19:58 |
| 186.224.194.0/24 | 99,105 | 2026-09-11 21:37:35 |
| 186.224.204.0/24 | 98,419 | 2026-09-11 21:37:35 |
| 186.224.205.0/24 | 98,385 | 2026-09-11 21:37:35 |
| 186.224.203.0/24 | 98,030 | 2026-09-11 21:37:35 |
| 186.224.192.0/24 | 98,023 | 2026-09-11 21:37:35 |
| 186.224.201.0/24 | 97,979 | 2026-09-11 21:37:35 |
| 189.90.14.0/24 | 97,490 | 2026-09-11 21:37:35 |
| 189.90.9.0/24 | 97,262 | 2026-09-11 21:37:35 |
| 186.224.199.0/24 | 96,708 | 2026-10-20 09:42:38 |
| 186.224.221.0/24 | 94,444 | 2026-08-28 12:53:58 |
| 186.224.214.0/24 | 92,493 | 2026-08-28 12:53:59 |
| 186.224.219.0/24 | 91,479 | 2026-08-28 12:53:59 |
| 186.224.207.0/24 | 79,358 | 2026-09-11 21:37:35 |
| 186.224.196.0/24 | 76,435 | 2026-08-28 12:53:57 |
| 189.90.11.0/24 | 72,717 | 2026-08-28 12:53:58 |
| 189.90.10.0/23 | 62,894 | 2026-10-20 09:43:10 |
| 186.224.202.0/23 | 58,814 | 2026-10-20 09:42:52 |
| 186.224.220.0/23 | 58,362 | 2026-10-20 09:43:11 |
| 186.224.206.0/23 | 56,882 | 2026-10-20 09:42:52 |
| 186.224.218.0/23 | 56,610 | 2026-10-20 09:42:52 |
| 186.224.208.0/23 | 54,830 | 2026-10-20 09:42:52 |
| 189.90.4.0/22 | 52,322 | 2026-10-20 09:43:13 |
| 189.90.14.0/23 | 52,273 | 2026-10-20 09:42:15 |
| 186.224.192.0/21 | 52,162 | 2026-10-20 09:42:54 |
| 186.224.200.0/21 | 51,985 | 2026-10-20 09:42:54 |
| 186.224.208.0/21 | 51,689 | 2026-10-20 09:42:54 |
| 186.224.196.0/23 | 51,674 | 2026-09-04 15:34:16 |
| 186.224.216.0/21 | 50,721 | 2026-10-20 09:42:52 |
| 186.224.204.0/23 | 49,981 | 2026-10-20 09:43:11 |
| 186.224.214.0/23 | 49,817 | 2026-10-20 09:42:52 |
| 189.90.2.0/23 | 49,498 | 2026-10-20 09:42:52 |
| 186.224.204.0/22 | 48,311 | 2026-10-20 09:42:15 |
Showing top 50 of 71 announced prefixes by sample volume.
Frequently Asked Questions
What is AS28189?
AS28189 is an Autonomous System Number assigned to JR & JS ENGENHARIA E COMERCIO 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 AS28189 announce?
AS28189 announces 11.0K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS28189?
AS28189 is operated by JR & JS ENGENHARIA E COMERCIO LTDA. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS28189 registered in?
AS28189 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
