Report for 36741

Name

FRONTIER-AIRLINES-INC - FRONTIER AIRLINES 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 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.

36741 FRONTIER-AIRLINES-INC - FRONTIER AIRLINES INC, US

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
24709 AS36741        ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  FRONTIER-AIRLINES-INC - FRONTIER AIRLINES 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       %
22093 AS36741       FRONTIER-AIRLINES-INC - FRONTIER AIRLINES INC      5      1      0      4      1  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  23.157.32.0/24       4777 2497 174 36741 36741 36741 36741   
  131.143.156.0/22     4777 2497 174 36741    
  131.143.156.0/24     4777 2497 2914 36741   
  131.143.157.0/24     4777 2497 174 36741  - Withdrawn - matching aggregate 131.143.156.0/22 4777 2497 174 36741
  192.86.81.0/24       4777 2516 3356 36741 36741 36741 36741   

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

AS36741   2 More Specifics   5 Total Advertisements   FRONTIER-AIRLINES-INC - FRONTIER AIRLINES INC, US
    131.143.156.0/24              131.143.156.0/22
    131.143.157.0/24              131.143.156.0/22

Whois Entry

whois: 402332

IANA has recorded AS36741 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS36741\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:       36741
             ASName:         FRONTIER-AIRLINES-INC
             ASHandle:       AS36741
             RegDate:        2006-04-04
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/36741
             
             
             OrgName:        FRONTIER AIRLINES INC
             OrgId:          FRONT-12
             Address:        4545 Airport Way
             City:           DENVER
             StateProv:      CO
             PostalCode:     80239
             Country:        US
             RegDate:        2004-04-22
             Updated:        2023-09-09
             Ref:            https://rdap.arin.net/registry/entity/FRONT-12
             
             
             OrgTechHandle: LODEN14-ARIN
             OrgTechName:   Lo, Dennis 
             OrgTechPhone:  +1-720-496-1740 
             OrgTechEmail:  dennis.lo@flyfrontier.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/LODEN14-ARIN
             
             OrgNOCHandle: LODEN14-ARIN
             OrgNOCName:   Lo, Dennis 
             OrgNOCPhone:  +1-720-496-1740 
             OrgNOCEmail:  dennis.lo@flyfrontier.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/LODEN14-ARIN
             
             OrgAbuseHandle: LODEN14-ARIN
             OrgAbuseName:   Lo, Dennis 
             OrgAbusePhone:  +1-720-496-1740 
             OrgAbuseEmail:  dennis.lo@flyfrontier.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/LODEN14-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.
             #