AS28257 CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA
🇧🇷Org handle: 103232
LACNICallocated
Announced Prefixes (BGP)
5total
4 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)7,168
Announced (BGP)7,424
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Announced Prefixes
(BGP)5|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 |
Allocated Prefixes
(RIR)4Prefix | Country | RIR | Status |
|---|---|---|---|
| 138.36.140.0/22 | 🇧🇷 BR | LACNIC | allocated |
| 177.129.40.0/21 | 🇧🇷 BR | LACNIC | allocated |
| 186.225.80.0/20 | 🇧🇷 BR | LACNIC | allocated |
| 2804:db4::/32 | 🇧🇷 BR | LACNIC | allocated |
All 5 announced prefixes of AS28257 →
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS28257 hands its own prefixes to: transit providers, or peers at an exchange.
ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS28257 should publish an ASPA object
- IPv4 transfers in the LACNIC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/28257Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/28257" | jq