Autonomous System
AS21508 — Fundacao Universidade de Brasilia(US)
Last fetched
AS21508 is an Autonomous System operated by Fundacao Universidade de Brasilia and registered in US. As of Wed, 20 May 2026 23:33:23 GMT, it announces 82 routed IP prefixes and peers with 21 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS21508 announces 82 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 50.224.25.0/24
- 50.225.186.0/24
- 50.228.184.0/24
- 50.228.247.0/24
- 50.230.7.0/24
- 50.230.144.0/20
- 50.231.153.0/24
- 50.238.249.0/24
- 51.0.138.0/23
- 51.0.140.0/23
- 51.36.152.0/21
- 141.136.12.0/24
- 158.14.81.0/24
- 158.14.82.0/24
- 173.254.248.0/24
- 198.137.224.0/24
- 204.236.22.0/24
- 206.1.60.0/24
- 2001:559:8032::/48
- 2001:559:8089::/48
- 2001:559:80a8::/48
- 2001:559:81e5::/48
- 2001:559:820d::/48
- 2001:559:82bf::/48
- 2001:559:83e7::/48
Peering ecosystem
21 distinct peers via BGP. The first 21 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS7922 | COMCAST-7922 - Comcast Cable Communications, LLC | US |
| AS400114 | ARES-AS | US |
| AS399938 | NADL-AS-IN NESL ASSET DATA LIMITED | US |
| AS399099 | BARCLAYS_BPS | US |
| AS397039 | ALANTIC | US |
| AS396083 | BAYKALSR-AS | US |
| AS395772 | TK2020 | US |
| AS394276 | STACKGROUP | US |
| AS54883 | REDLILY - Red Lily Internet | US |
| AS54219 | IRELL - IRELL AND MANELLA LLP | US |
| AS40641 | PASON-SYSTEMS-USA - Pason Systems USA Corp | US |
| AS36364 | QUORA - Quora Inc | US |
| AS36244 | NUVEUM - Nuveum Inc. | US |
| AS36040 | EDUCATION-SERVICE-CENTER-REGION-20 - Education Service Center Region 20 | US |
| AS32540 | KOMATUSU-AMERICA-CORPORATION - Komatsu America Corporation | US |
| AS19923 | SHENANDOAH-UNIV - Shenandoah University | US |
| AS15297 | EPLUS-ASN - EPLUS, Inc. | US |
| AS15173 | NEWMA-11 - Newmarket Corporation | US |
| AS14583 | VITA-VSP-1 - Virginia Information Technologies Agency VITA | US |
| AS13335 | CLOUDFLARENET - Cloudflare, Inc. | US |
| AS11739 | CHIRISA-TECHNOLOGY-PARKS-01 - Digital Fortress, Inc. | US |
Blast radius
Approximate count of dependent hostnames if AS21508 disappeared from the routing table.
~115 hostnames depend on this network.Sampled from 10 prefixes, snapshot Wed, 20 May 2026 23:33:23 GMT.
MOAS / hijack watch
Prefixes routed by AS21508 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 AS21508 is unique to AS21508 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS21508.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS21508"})-[: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.