Report for 394056

Name

BIFIV - BIF IV, 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.

394056 BIFIV - BIF IV, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
16215 AS394056       ORIGIN  Originate:       4608 /19.83  Transit:          0 /0.00  BIFIV - BIF IV, 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       %
 9658 AS394056      BIFIV - BIF IV, US                                11      6      1      6      5  45.45%


  Prefix               AS Path                              Aggregation Suggestion
  66.33.8.0/21         4777 2497 6461 394056   
  66.33.8.0/24         4777 2497 6461 394056 - Withdrawn - matching aggregate 66.33.8.0/21 4777 2497 6461 394056
  66.33.9.0/24         4777 2497 6461 394056 - Withdrawn - matching aggregate 66.33.8.0/21 4777 2497 6461 394056
  66.33.10.0/24        4777 2516 3356 394056   
  66.33.11.0/24        4777 2497 3356 394056   
  66.33.12.0/24        4777 2497 6461 394056 - Withdrawn - matching aggregate 66.33.8.0/21 4777 2497 6461 394056
  66.33.13.0/24        4777 2497 3356 394056   
  66.33.14.0/24        4777 2497 6461 394056 - Withdrawn - matching aggregate 66.33.8.0/21 4777 2497 6461 394056
  66.33.15.0/24        4777 2497 3356 394056   
  72.57.0.0/23         4608 7575 6461 394056 + Announce - aggregate of 72.57.0.0/24 (4608 7575 6461 394056) and 72.57.1.0/24 (4608 7575 6461 394056)
  72.57.0.0/24         4608 7575 6461 394056 - Withdrawn - aggregated with 72.57.1.0/24 (4608 7575 6461 394056)
  72.57.1.0/24         4608 7575 6461 394056 - Withdrawn - aggregated with 72.57.0.0/24 (4608 7575 6461 394056)

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

AS394056   10 More Specifics   11 Total Advertisements   BIFIV - BIF IV, US
    66.33.8.0/24                  66.33.8.0/21
    66.33.9.0/24                  66.33.8.0/21
    66.33.10.0/24                 66.33.8.0/21
    66.33.11.0/24                 66.33.8.0/21
    66.33.12.0/24                 66.33.8.0/21
    66.33.13.0/24                 66.33.8.0/21
    66.33.14.0/24                 66.33.8.0/21
    66.33.15.0/24                 66.33.8.0/21
    72.57.0.0/24                  72.57.0.0/19
    72.57.1.0/24                  72.57.0.0/19

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

    + 72.57.0.0/24                Announced

Whois Entry

whois: 402332

IANA has recorded AS394056 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS394056\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:       394056
             ASName:         BIFIV
             ASHandle:       AS394056
             RegDate:        2022-10-21
             Updated:        2022-10-21
             Ref:            https://rdap.arin.net/registry/autnum/394056
             
             
             OrgName:        BIF IV
             OrgId:          BIIOL
             Address:        251 Little Falls Drive
             City:           Wilmington
             StateProv:      DE
             PostalCode:     19808
             Country:        US
             RegDate:        2022-09-08
             Updated:        2023-12-12
             Ref:            https://rdap.arin.net/registry/entity/BIIOL
             
             
             OrgRoutingHandle: BIAA-ARIN
             OrgRoutingName:   BIF IV ARIN Admin
             OrgRoutingPhone:  +1-720-680-3200 
             OrgRoutingEmail:  admin@intrepidfiber.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/BIAA-ARIN
             
             OrgTechHandle: BIAA-ARIN
             OrgTechName:   BIF IV ARIN Admin
             OrgTechPhone:  +1-720-680-3200 
             OrgTechEmail:  admin@intrepidfiber.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/BIAA-ARIN
             
             OrgNOCHandle: BIAA-ARIN
             OrgNOCName:   BIF IV ARIN Admin
             OrgNOCPhone:  +1-720-680-3200 
             OrgNOCEmail:  admin@intrepidfiber.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/BIAA-ARIN
             
             OrgDNSHandle: BIAA-ARIN
             OrgDNSName:   BIF IV ARIN Admin
             OrgDNSPhone:  +1-720-680-3200 
             OrgDNSEmail:  admin@intrepidfiber.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/BIAA-ARIN
             
             OrgAbuseHandle: BIAA-ARIN
             OrgAbuseName:   BIF IV ARIN Admin
             OrgAbusePhone:  +1-720-680-3200 
             OrgAbuseEmail:  admin@intrepidfiber.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/BIAA-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.
             #