11971 PFIZERNET-GROTON, US
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS49915 MEGAPORT-GLOBAL-ACCESS Megaport, GB
AS15830 EQUINIX, NL
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 9630 AS11971 ORIGIN Originate: 11264 /18.54 Transit: 0 /0.00 PFIZERNET-GROTON, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 15847 AS11971 PFIZERNET-GROTON, US 6 2 0 4 2 33.33% Prefix AS Path Aggregation Suggestion 146.240.1.0/24 3257 15830 11971 148.168.32.0/19 3257 15830 11971 148.168.35.0/24 3257 15830 11971 - Withdrawn - matching aggregate 148.168.32.0/19 3257 15830 11971 148.168.192.0/22 3257 15830 11971 148.168.192.0/23 3257 15830 11971 - Withdrawn - matching aggregate 148.168.192.0/22 3257 15830 11971 148.168.224.0/22 3257 15830 11971
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS11971 6 More Specifics 6 Total Advertisements PFIZERNET-GROTON, US
148.168.32.0/19 148.168.0.0/16
148.168.77.0/24 148.168.0.0/16
148.168.160.0/24 148.168.0.0/16
148.168.192.0/22 148.168.0.0/16
148.168.224.0/22 148.168.0.0/16
148.168.228.0/22 148.168.0.0/16
146.240.1.0/24 146.240.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 146.240.1.0/24 Withdrawn
whois: 402590
IANA has recorded AS11971 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS11971\n
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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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
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
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
OrgAbuseHandle: NETAB18-ARIN
OrgAbuseName: NetAbuse
OrgAbusePhone: +1-484-865-1564
OrgAbuseEmail: NetAbuse@Pfizer.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NETAB18-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
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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#