Autonomous System
AS22843 — PROOFPOINT-ASN-US-EAST - Proofpoint, Inc.(US)
Last fetched
AS22843 is an Autonomous System operated by PROOFPOINT-ASN-US-EAST - Proofpoint, Inc. and registered in US. As of Sun, 06 Sep 2026 13:27:11 GMT, it announces 49 routed IP prefixes and peers with 3 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS22843 announces 49 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 66.159.228.0/24
- 66.159.238.0/23
- 66.159.250.0/24
- 66.159.250.0/23
- 66.159.251.0/24
- 67.231.152.0/24
- 67.231.153.0/24
- 67.231.154.0/24
- 67.231.155.0/24
- 67.231.156.0/24
- 67.231.157.0/24
- 148.163.136.0/24
- 148.163.137.0/24
- 148.163.138.0/24
- 148.163.139.0/24
- 148.163.140.0/24
- 148.163.141.0/24
- 148.163.142.0/24
- 148.163.143.0/24
- 148.163.152.0/22
- 148.163.158.0/23
- 205.220.172.0/24
- 205.220.173.0/24
- 205.220.174.0/24
- 205.220.175.0/24
Peering ecosystem
3 distinct peers via BGP. The first 3 are listed below.
Blast radius
Count of dependent hostnames if AS22843 disappeared from the routing table.
12,477 hostnames depend on this network.Exact count across all 49 announced prefixes. Snapshot Sat, 05 Sep 2026 13:00:53 GMT.
MOAS / hijack watch
Prefixes routed by AS22843 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.
| Prefix | Conflicting ASN | Operator |
|---|---|---|
| 2620:0:2900::/48 | AS13916 | PROOFPOINT-UT7 - Proofpoint, Inc. |
Threat posture
Related pages
Pivot deeper into the graph from AS22843.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS22843"})-[: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.