ASN Lookup Tool

Pfizer Inc. pfizer.com US US 6 Routes

AS Data

AS11971

AS11971Pfizer Inc.

AS Number 11971
AS Name PFIZERNET-GROTON
Organization Pfizer Inc.(pfizer)
Country US
Website pfizer.com
Number of IPv4 Routes 6
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 1999-02-17

ASN Intelligence API for production workflows

Use ASN data for AS11971 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

IP Ranges

Route # IPs
148.168.224.0/22 1024
148.168.192.0/22 1024
148.168.32.0/19 8192
148.168.35.0/24 256
148.168.192.0/23 512
146.240.1.0/24 256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       11971
ASName:         PFIZERNET-GROTON
ASHandle:       AS11971
RegDate:        1999-02-17
Updated:        2021-07-03    
Ref:            https://rdap.arin.net/registry/autnum/11971


OrgName:        Pfizer Inc.
OrgId:          PFIZER
Address:        66 Hudson Boulevard East
City:           New York
StateProv:      NY
PostalCode:     10001-2192
Country:        US
RegDate:        1991-05-09
Updated:        2025-04-21
Ref:            https://rdap.arin.net/registry/entity/PFIZER


OrgAbuseHandle: NETAB18-ARIN
OrgAbuseName:   NetAbuse
OrgAbusePhone:  +1-484-865-1564 
OrgAbuseEmail:  NetAbuse@Pfizer.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETAB18-ARIN

OrgNOCHandle: AZARR4-ARIN
OrgNOCName:   Azar, Robert 
OrgNOCPhone:  +1-269-833-2397 
OrgNOCEmail:  robert.azar@pfizer.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/AZARR4-ARIN

OrgRoutingHandle: AZARR4-ARIN
OrgRoutingName:   Azar, Robert 
OrgRoutingPhone:  +1-269-833-2397 
OrgRoutingEmail:  robert.azar@pfizer.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/AZARR4-ARIN

OrgDNSHandle: AZARR4-ARIN
OrgDNSName:   Azar, Robert 
OrgDNSPhone:  +1-269-833-2397 
OrgDNSEmail:  robert.azar@pfizer.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/AZARR4-ARIN

OrgTechHandle: AZARR4-ARIN
OrgTechName:   Azar, Robert 
OrgTechPhone:  +1-269-833-2397 
OrgTechEmail:  robert.azar@pfizer.com
OrgTechRef:    https://rdap.arin.net/registry/entity/AZARR4-ARIN

RTechHandle: AZARR4-ARIN
RTechName:   Azar, Robert 
RTechPhone:  +1-269-833-2397 
RTechEmail:  robert.azar@pfizer.com
RTechRef:    https://rdap.arin.net/registry/entity/AZARR4-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS49915 Megaport UK Limited GB
AS15830 Equinix EMEA Acquisition Enterprises B.V. NL
AS15830 Equinix (EMEA) Acquisition Enterprises B.V. NL
AS49915 Megaport (UK) Limited GB

Upstreams

AS Number Description Country
AS49915 Megaport UK Limited GB
AS15830 Equinix EMEA Acquisition Enterprises B.V. NL

Contacts

Legacy Routes

Ready to get started?Get Started with IP Intelligence API Today

CTA Illustration

Frequently Asked Questions

ASN AS11971 is an Autonomous System Number used to identify a network for BGP internet routing.
AS11971 is listed under Pfizer Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.