AS52888
UNIVERSIDADE FEDERAL DE SAO CARLOS
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
- Government allocation +8
- Trust score 73 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 1 internet exchange: IX.br (PTT.br) São Paulo: ATM/MPLA
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 200.136.192.0/18 | 16.4K |
0.9%
|
UNIVERSIDADE FEDERAL DE SAO CARLOS | BR | São Paulo | São Carlos |
| 186.219.80.0/20 | 4.1K |
0.5%
|
UNIVERSIDADE FEDERAL DE SAO CARLOS | BR | São Paulo | São Carlos |
| 200.133.224.0/20 | 4.1K |
2.5%
|
UNIVERSIDADE FEDERAL DE SAO CARLOS | BR | — | — |
| 200.18.96.0/21 | 2.0K |
1.8%
|
UNIVERSIDADE FEDERAL DE SAO CARLOS | BR | — | — |
| 200.18.104.0/23 | 512 |
5.1%
|
UNIVERSIDADE FEDERAL DE SAO CARLOS | BR | — | — |
| 200.136.190.0/23 | 512 |
0.0%
|
UNIVERSIDADE FEDERAL DE SAO CARLOS | BR | — | — |
| 200.9.84.0/24 | 256 |
0.0%
|
UNIVERSIDADE FEDERAL DE SAO CARLOS | BR | — | — |
| 200.136.189.0/24 | 256 |
0.0%
|
UNIVERSIDADE FEDERAL DE SAO CARLOS | BR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS52888 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 |
|---|---|---|
| 200.133.238.0/23 | 610,246 | 2026-09-15 11:56:53 |
| 186.219.88.0/22 | 608,538 | 2026-09-15 11:59:27 |
| 200.136.191.0/24 | 607,579 | 2026-09-15 11:47:48 |
| 200.136.190.0/24 | 606,738 | 2026-09-15 11:47:48 |
| 200.9.84.0/24 | 396,895 | 2026-09-15 11:47:48 |
| 186.219.92.0/22 | 250,251 | 2026-09-15 11:47:42 |
| 200.18.96.0/24 | 248,825 | 2026-09-15 11:47:42 |
| 200.133.236.0/23 | 224,286 | 2026-09-15 11:47:42 |
| 200.18.102.0/24 | 141,108 | 2026-09-15 12:14:33 |
| 200.136.190.0/23 | 118,876 | 2026-09-15 11:56:53 |
| 200.136.248.0/22 | 98,674 | 2026-09-15 11:47:36 |
| 200.136.189.0/24 | 83,901 | 2026-09-15 11:47:50 |
| 200.18.103.0/24 | 81,471 | 2026-09-15 11:47:26 |
| 186.219.80.0/20 | 67,668 | 2026-09-15 11:47:50 |
| 200.133.224.0/20 | 67,467 | 2026-09-15 11:47:50 |
| 200.136.192.0/18 | 66,325 | 2026-09-15 11:47:50 |
| 200.18.96.0/21 | 66,245 | 2026-09-15 11:47:50 |
| 200.18.104.0/23 | 66,163 | 2026-09-15 11:47:50 |
| 200.18.100.0/22 | 3,766 | 2026-09-15 12:13:33 |
| 200.133.232.0/21 | 3,591 | 2026-09-15 12:14:09 |
| 186.219.88.0/21 | 3,432 | 2026-09-15 07:56:48 |
| 200.133.224.0/21 | 3,428 | 2026-09-15 07:56:48 |
| 200.136.192.0/19 | 3,399 | 2026-09-15 07:56:48 |
| 200.18.96.0/22 | 3,396 | 2026-09-15 07:56:48 |
| 200.18.105.0/24 | 3,363 | 2026-09-15 07:56:48 |
| 200.18.104.0/24 | 3,342 | 2026-09-15 07:56:48 |
| 186.219.80.0/21 | 3,340 | 2026-09-15 07:56:48 |
| 200.136.224.0/19 | 3,212 | 2026-09-15 07:56:48 |
Frequently Asked Questions
What is AS52888?
AS52888 is an Autonomous System Number assigned to UNIVERSIDADE FEDERAL DE SAO CARLOS. 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 AS52888 announce?
AS52888 announces 28.2K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS52888?
AS52888 is operated by UNIVERSIDADE FEDERAL DE SAO CARLOS. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS52888 registered in?
AS52888 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
