
27021 AS-DGX - Quest Diagnostics, Inc., US
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS11992 LIBERTY-MOB-PR - Liberty Mobile Puerto Rico Inc., PR
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS701 UUNET - Verizon Business, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 8992 AS27021 ORIGIN Originate: 12800 /18.36 Transit: 0 /0.00 AS-DGX - Quest Diagnostics, Inc., 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 % 12617 AS27021 AS-DGX - Quest Diagnostics, Inc., US 17 3 0 14 3 17.65% Prefix AS Path Aggregation Suggestion 65.199.254.0/24 4777 2497 701 27021 156.30.5.0/24 4777 2497 3356 27021 156.30.24.0/24 4777 2497 3356 27021 204.235.142.0/23 4777 2497 701 27021 209.242.240.0/24 4777 2497 7018 11992 27021 209.242.241.0/24 4777 2497 3356 27021 209.242.247.0/24 4777 2497 701 27021 209.242.248.0/24 4777 2516 3356 27021 209.242.250.0/24 4777 2516 701 27021 209.242.251.0/24 4777 2497 701 27021 216.195.72.0/24 4777 2497 3356 27021 216.203.80.0/20 4777 2497 3356 27021 216.203.80.0/21 4777 2497 701 27021 216.203.80.0/24 4777 2516 701 27021 216.203.87.0/24 4777 2497 701 27021 - Withdrawn - matching aggregate 216.203.80.0/21 4777 2497 701 27021 216.203.88.0/21 4777 2497 3356 27021 - Withdrawn - matching aggregate 216.203.80.0/20 4777 2497 3356 27021 216.203.92.0/22 4777 2497 3356 27021 - Withdrawn - matching aggregate 216.203.80.0/20 4777 2497 3356 27021
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS27021 15 More Specifics 17 Total Advertisements AS-DGX - Quest Diagnostics, Inc., US
65.199.254.0/24 65.192.0.0/11
156.30.5.0/24 156.30.0.0/16
156.30.24.0/24 156.30.0.0/16
209.242.240.0/24 209.242.240.0/20
209.242.241.0/24 209.242.240.0/20
209.242.247.0/24 209.242.240.0/20
209.242.248.0/24 209.242.240.0/20
209.242.250.0/24 209.242.240.0/20
209.242.251.0/24 209.242.240.0/20
216.195.72.0/24 216.195.64.0/19
216.203.80.0/21 216.203.80.0/20
216.203.80.0/24 216.203.80.0/20
216.203.87.0/24 216.203.80.0/20
216.203.88.0/21 216.203.80.0/20
216.203.92.0/22 216.203.80.0/20
whois: 402332
IANA has recorded AS27021 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS27021\n
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ASNumber: 27021
ASName: AS-DGX
ASHandle: AS27021
RegDate: 2003-01-14
Updated: 2014-05-30
Ref: https://rdap.arin.net/registry/autnum/27021
OrgName: Quest Diagnostics, Inc.
OrgId: QUEST-3
Address: 1290 Wall Street West
City: Lyndhurst
StateProv: NJ
PostalCode: 07071
Country: US
RegDate: 2002-09-30
Updated: 2014-09-24
Ref: https://rdap.arin.net/registry/entity/QUEST-3
OrgAbuseHandle: QDT-ARIN
OrgAbuseName: Quest Diagnostics Tech
OrgAbusePhone: +1-877-537-8378
OrgAbuseEmail: ip-tech@questdiagnostics.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/QDT-ARIN
OrgTechHandle: MONAC4-ARIN
OrgTechName: Monaco, Chris
OrgTechPhone: +1-610-631-4654
OrgTechEmail: chris.l.monaco@questdiagnostics.com
OrgTechRef: https://rdap.arin.net/registry/entity/MONAC4-ARIN
OrgTechHandle: QDT-ARIN
OrgTechName: Quest Diagnostics Tech
OrgTechPhone: +1-877-537-8378
OrgTechEmail: ip-tech@questdiagnostics.com
OrgTechRef: https://rdap.arin.net/registry/entity/QDT-ARIN
OrgAbuseHandle: MONAC4-ARIN
OrgAbuseName: Monaco, Chris
OrgAbusePhone: +1-610-631-4654
OrgAbuseEmail: chris.l.monaco@questdiagnostics.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/MONAC4-ARIN
OrgNOCHandle: MONAC4-ARIN
OrgNOCName: Monaco, Chris
OrgNOCPhone: +1-610-631-4654
OrgNOCEmail: chris.l.monaco@questdiagnostics.com
OrgNOCRef: https://rdap.arin.net/registry/entity/MONAC4-ARIN
OrgNOCHandle: QDT-ARIN
OrgNOCName: Quest Diagnostics Tech
OrgNOCPhone: +1-877-537-8378
OrgNOCEmail: ip-tech@questdiagnostics.com
OrgNOCRef: https://rdap.arin.net/registry/entity/QDT-ARIN
RTechHandle: MG308-ARIN
RTechName: Gallagher, Mike J
RTechPhone: +1-610-650-6791
RTechEmail: mike.j.gallagher@questdiagnostics.com
RTechRef: https://rdap.arin.net/registry/entity/MG308-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.
#