Report for 27021

Name

AS-DGX - Quest Diagnostics, Inc., US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS6447) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

27021 AS-DGX, US

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS11367         ICENET, PR
    AS11992         LIBERTY-MOB-, PR
    AS3356          LEVEL3, US
    AS701           UUNET, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
9008  AS27021        ORIGIN  Originate:      12800 /18.36  Transit:          0 /0.00  AS-DGX, 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       %
10149 AS27021       AS-DGX, US                                        17      5      1     13      4  23.53%


  Prefix               AS Path                              Aggregation Suggestion
  65.199.254.0/24      7018 3356 27021        
  156.30.5.0/24        7018 3356 27021        
  156.30.24.0/24       7018 3356 27021        
  204.235.142.0/23     7018 3356 27021        
  209.242.240.0/24     7018 11992 27021       
  209.242.241.0/24     7018 3356 27021        
  209.242.247.0/24     3257 701 27021         
  209.242.248.0/24     7018 3356 27021        
  209.242.250.0/23     6939 701 27021       + Announce - aggregate of 209.242.250.0/24 (6939 701 27021) and 209.242.251.0/24 (6939 701 27021)
  209.242.250.0/24     6939 701 27021       - Withdrawn - aggregated with 209.242.251.0/24 (6939 701 27021)
  209.242.251.0/24     6939 701 27021       - Withdrawn - aggregated with 209.242.250.0/24 (6939 701 27021)
  216.195.72.0/24      7018 3356 27021        
  216.203.80.0/20      7018 3356 27021        
  216.203.80.0/21      7018 3356 27021      - Withdrawn - matching aggregate 216.203.80.0/20 7018 3356 27021
  216.203.80.0/24      3257 701 27021         
  216.203.87.0/24      3257 701 27021         
  216.203.88.0/21      7018 3356 27021      - Withdrawn - matching aggregate 216.203.80.0/20 7018 3356 27021
  216.203.92.0/22      7018 3356 27021      - Withdrawn - matching aggregate 216.203.80.0/20 7018 3356 27021

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS27021   13 More Specifics   14 Total Advertisements   AS-DGX, US
    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
    209.242.251.0/24              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
    65.199.254.0/24               65.192.0.0/11
    209.242.250.0/24              209.242.240.0/20

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 65.199.254.0/24             Withdrawn
    - 204.235.142.0/23            Withdrawn
    - 209.242.250.0/24            Withdrawn

Whois Entry

whois: 402551

IANA has recorded AS27021 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27021\n             
             #
             # 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:       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:  inf-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:  inf-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:  inf-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/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #