Autonomous System

AS18113 — PFIZER-SG-AP Pfizer Pte Ltd Singapore dual homed(SG)

Last fetched Thu, 21 May 2026 10:34:59 GMT

AS18113 is an Autonomous System operated by PFIZER-SG-AP Pfizer Pte Ltd Singapore dual homed and registered in SG. As of Thu, 21 May 2026 10:34:59 GMT, it announces 6 routed IP prefixes and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS18113 announces 6 distinct routed prefixes. The 6-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

1 distinct peers via BGP. The first 1 are listed below.

Peer ASN	Operator	Country
AS15695	EXPEREO	NL

Blast radius

Approximate count of dependent hostnames if AS18113 disappeared from the routing table.

~37 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 10:34:59 GMT.

MOAS / hijack watch

Prefixes routed by AS18113 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 AS18113 is unique to AS18113 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS18113.

Cypher and MCP

Reproduce the headline metric directly against graph.whisper.security:

MATCH (a:ASN {name: "AS18113"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS country

Or query Whisper from your own LLM workflow via the Whisper MCP server.