Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS18113

Announcement observedAPNIC

Pfizer Pte Ltd · PFIZER-SG-AP

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/19/2026, 10:32:08Snapshot expired

View network topology RDAP registration

ASN: AS18113
Registration country: Singapore
Name: Pfizer Pte Ltd
Abbreviation: PFIZER-SG-AP
Registration date: 9/4/2008, 06:40:35
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
146.240.4.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
204.114.196.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
204.114.196.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
204.114.220.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
204.114.221.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
204.114.250.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 00:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Pfizer Pte Ltd
RIR: APNIC
Registration country: Singapore
Registration date: 9/4/2008, 06:40:35
Abuse contact: robert.azar@pfizer.com

Snapshot trend

10/19/2026, 10:32:086 v40 v62 Upstream · 0 Uncertain

10/19/2026, 10:30:176 v40 v62 Upstream · 0 Uncertain

9/30/2026, 21:27:556 v40 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn