Autonomous System
AS28573 — UNIVERSIDADE DE SAO PAULO(BR)
Last fetched
AS28573 is an Autonomous System operated by UNIVERSIDADE DE SAO PAULO and registered in BR. As of Wed, 20 May 2026 21:59:35 GMT, it announces 3,257 routed IP prefixes and peers with 3 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS28573 announces 3,257 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 177.73.204.0/23
- 177.73.205.0/24
- 177.73.204.0/22
- 177.73.206.0/24
- 177.73.206.0/23
- 177.73.207.0/24
- 177.73.208.0/21
- 177.73.216.0/24
- 177.73.216.0/23
- 177.73.217.0/24
- 177.73.216.0/22
- 177.73.218.0/24
- 177.73.218.0/23
- 177.73.219.0/24
- 177.73.220.0/24
- 177.73.220.0/23
- 177.73.221.0/24
- 177.73.220.0/22
- 177.73.222.0/24
- 177.73.222.0/23
- 177.73.223.0/24
- 177.73.224.0/22
- 177.73.228.0/24
- 177.73.229.0/24
- 177.73.228.0/22
Peering ecosystem
3 distinct peers via BGP. The first 3 are listed below.
Blast radius
Approximate count of dependent hostnames if AS28573 disappeared from the routing table.
~1,098,912 hostnames depend on this network.Sampled from 10 prefixes, snapshot Wed, 20 May 2026 21:59:35 GMT.
MOAS / hijack watch
Prefixes routed by AS28573 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.
No active MOAS conflicts. Every prefix announced by AS28573 is unique to AS28573 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS28573.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS28573"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.