Autonomous System
AS21877 — CSC-USA-AS21877 - DXC US Latin America Corporation(US)
Last fetched
AS21877 is an Autonomous System operated by CSC-USA-AS21877 - DXC US Latin America Corporation and registered in US. As of Thu, 21 May 2026 10:53:42 GMT, it announces 0 routed IP prefixes and peers with 0 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS21877 announces 0 distinct routed prefixes. The 0-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
AS21877 does not announce any prefixes in the current snapshot.
Peering ecosystem
0 distinct peers via BGP. The first 0 are listed below.
AS21877 has no observed peering relationships in the current snapshot.
Blast radius
Approximate count of dependent hostnames if AS21877 disappeared from the routing table.
No dependent hostnames recorded for this network.Snapshot Thu, 21 May 2026 10:53:42 GMT.
MOAS / hijack watch
Prefixes routed by AS21877 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 AS21877 is unique to AS21877 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS21877.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS21877"})-[: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.