Report for 3377

Name

MCI-ASN - 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 AS2.0) 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.

3377 MCI-ASN - Verizon Business, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS3371          MCI-ASN - Verizon Business, US
    AS3378          MCI-ASN - Verizon Business, US
    AS3372          MCI-ASN - Verizon Business, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2639  AS3377         ORIGIN  Originate:      82432 /15.67  Transit:          0 /0.00  MCI-ASN - Verizon Business, 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       %
 4183 AS3377        MCI-ASN - Verizon Business, US                    18     15      3      6     12  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  131.146.0.0/17       4777 2516 701 3378 3371 3377 3377 3377 3377   
  131.146.128.0/17     4777 2516 701 3378 3372 3377   
  131.146.232.0/21     4777 2516 701 3378 3371 3377 3377 3377 3377   
  131.146.240.0/21     4777 2516 701 3378 3372 3377 - Withdrawn - matching aggregate 131.146.128.0/17 4777 2516 701 3378 3372 3377
  166.44.240.0/23      4777 2516 701 3378 3377 + Announce - aggregate of 166.44.240.0/24 (4777 2516 701 3378 3377) and 166.44.241.0/24 (4777 2516 701 3378 3377)
  166.44.240.0/24      4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.44.241.0/24 (4777 2516 701 3378 3377)
  166.44.241.0/24      4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.44.240.0/24 (4777 2516 701 3378 3377)
  166.58.0.0/19        4777 2516 701 3378 3377 + Announce - aggregate of 166.58.0.0/20 (4777 2516 701 3378 3377) and 166.58.16.0/20 (4777 2516 701 3378 3377)
  166.58.0.0/22        4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.58.4.0/22 (4777 2516 701 3378 3377)
  166.58.4.0/22        4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.58.0.0/22 (4777 2516 701 3378 3377)
  166.58.8.0/22        4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.58.12.0/22 (4777 2516 701 3378 3377)
  166.58.12.0/22       4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.58.8.0/22 (4777 2516 701 3378 3377)
  166.58.16.0/22       4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.58.20.0/22 (4777 2516 701 3378 3377)
  166.58.20.0/22       4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.58.16.0/22 (4777 2516 701 3378 3377)
  166.58.24.0/22       4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.58.28.0/22 (4777 2516 701 3378 3377)
  166.58.28.0/22       4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.58.24.0/22 (4777 2516 701 3378 3377)
  166.58.32.0/20       4777 2516 701 3378 3377 + Announce - aggregate of 166.58.32.0/21 (4777 2516 701 3378 3377) and 166.58.40.0/21 (4777 2516 701 3378 3377)
  166.58.32.0/22       4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.58.36.0/22 (4777 2516 701 3378 3377)
  166.58.36.0/22       4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.58.32.0/22 (4777 2516 701 3378 3377)
  166.58.40.0/22       4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.58.44.0/22 (4777 2516 701 3378 3377)
  166.58.44.0/22       4777 2516 701 3378 3377 - Withdrawn - aggregated with 166.58.40.0/22 (4777 2516 701 3378 3377)

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

AS3377   18 More Specifics   18 Total Advertisements   MCI-ASN - Verizon Business, US
    131.146.0.0/17                131.146.0.0/16
    131.146.128.0/17              131.146.0.0/16
    131.146.232.0/21              131.146.0.0/16
    131.146.240.0/21              131.146.0.0/16
    166.44.240.0/24               166.44.0.0/16
    166.44.241.0/24               166.44.0.0/16
    166.58.0.0/22                 166.58.0.0/16
    166.58.4.0/22                 166.58.0.0/16
    166.58.8.0/22                 166.58.0.0/16
    166.58.12.0/22                166.58.0.0/16
    166.58.16.0/22                166.58.0.0/16
    166.58.20.0/22                166.58.0.0/16
    166.58.24.0/22                166.58.0.0/16
    166.58.28.0/22                166.58.0.0/16
    166.58.32.0/22                166.58.0.0/16
    166.58.36.0/22                166.58.0.0/16
    166.58.40.0/22                166.58.0.0/16
    166.58.44.0/22                166.58.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS3377 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS3377\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:       3369 - 3378
             ASName:         MCI-ASN
             ASHandle:       AS3369
             RegDate:        1994-01-06
             Updated:        2024-07-02
             Ref:            https://rdap.arin.net/registry/autnum/3369
             
             
             
             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@verizonbusiness.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.
             #