Report for 18573

Name

WCOM-TSENGR-AS - Verizon Business, 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.

18573 WCOM-TSENGR-AS, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS701           UUNET, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18702 AS18573        ORIGIN  Originate:       3584 /20.19  Transit:          0 /0.00  WCOM-TSENGR-AS, 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       %
16081 AS18573       WCOM-TSENGR-AS, US                                 5      3      1      3      2  40.00%


  Prefix               AS Path                              Aggregation Suggestion
  63.79.176.0/22       3257 701 18573       + Announce - aggregate of 63.79.176.0/23 (3257 701 18573) and 63.79.178.0/23 (3257 701 18573)
  63.79.176.0/23       3257 701 18573       - Withdrawn - aggregated with 63.79.178.0/23 (3257 701 18573)
  63.79.177.0/24       3257 701 18573       - Withdrawn - matching aggregate 63.79.176.0/23 3257 701 18573
  63.79.178.0/23       3257 701 18573       - Withdrawn - aggregated with 63.79.176.0/23 (3257 701 18573)
  63.102.248.0/21      3257 701 18573         
  166.61.247.0/24      3257 701 18573         

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

AS18573   5 More Specifics   5 Total Advertisements   WCOM-TSENGR-AS, US
    63.79.176.0/23                63.64.0.0/10
    63.79.177.0/24                63.64.0.0/10
    63.79.178.0/23                63.64.0.0/10
    63.102.248.0/21               63.64.0.0/10
    166.61.247.0/24               166.61.0.0/16

Whois Entry

whois: 402590

IANA has recorded AS18573 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18573\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:       18573
             ASName:         WCOM-TSENGR-AS
             ASHandle:       AS18573
             RegDate:        2000-09-13
             Updated:        2022-05-31
             Ref:            https://rdap.arin.net/registry/autnum/18573
             
             
             
             OrgName:        Verizon Business
             OrgId:          MCICS
             Address:        22001 Loudoun County Pkwy
             City:           Ashburn
             StateProv:      VA
             PostalCode:     20147
             Country:        US
             RegDate:        2006-05-30
             Updated:        2025-10-28
             Ref:            https://rdap.arin.net/registry/entity/MCICS
             
             
             OrgTechHandle: VIS1-ARIN
             OrgTechName:   Verizon Internet Services
             OrgTechPhone:  +1-800-243-6994 
             OrgTechEmail:  IPMGMT@verizon.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/VIS1-ARIN
             
             OrgDNSHandle: VZDNS1-ARIN
             OrgDNSName:   VZ-DNSADMIN
             OrgDNSPhone:  +1-800-900-0241 
             OrgDNSEmail:  dnsadmin@verizon.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/VZDNS1-ARIN
             
             OrgTechHandle: SWIPP9-ARIN
             OrgTechName:   SWIPPER
             OrgTechPhone:  +1-800-900-0241 
             OrgTechEmail:  swipper@verizon.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SWIPP9-ARIN
             
             OrgAbuseHandle: ABUSE5603-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-800-900-0241 
             OrgAbuseEmail:  abuse@verizon.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5603-ARIN
             
             OrgAbuseHandle: ABUSE3-ARIN
             OrgAbuseName:   abuse
             OrgAbusePhone:  +1-800-900-0241 
             OrgAbuseEmail:  abuse@verizon.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3-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.
             #