Report for 21771

Name

NUCOR - Nucor, 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 AS4637) 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.

21771 NUCOR - Nucor

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS4323    TWTC - Time Warner Telecom, Inc.

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
21145 AS21771  ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  NUCOR - Nucor

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       %
13993 AS21771 NUCOR - Nucor                                 1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  66.162.2.0/24        4637 4323 21771        

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

AS21771   1 More Specifics   1 Total Advertisements   NUCOR - Nucor
    66.162.2.0/24                 66.162.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS21771 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21771\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:       21771
             ASName:         NUCOR
             ASHandle:       AS21771
             RegDate:        2001-06-18
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/21771
             
             
             OrgName:        Nucor
             OrgId:          NUCOR
             Address:        1915 Rexford Road
             City:           Charlotte
             StateProv:      NC
             PostalCode:     28211
             Country:        US
             RegDate:        2001-06-18
             Updated:        2011-09-24
             Ref:            https://rdap.arin.net/registry/entity/NUCOR
             
             
             OrgAbuseHandle: DD1151-ARIN
             OrgAbuseName:   DUNLAP, DAVE 
             OrgAbusePhone:  +1-704-972-1825 
             OrgAbuseEmail:  dave.dunlap@nucor.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DD1151-ARIN
             
             OrgTechHandle: DD1151-ARIN
             OrgTechName:   DUNLAP, DAVE 
             OrgTechPhone:  +1-704-972-1825 
             OrgTechEmail:  dave.dunlap@nucor.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DD1151-ARIN
             
             RAbuseHandle: DD1151-ARIN
             RAbuseName:   DUNLAP, DAVE 
             RAbusePhone:  +1-704-972-1825 
             RAbuseEmail:  dave.dunlap@nucor.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/DD1151-ARIN
             
             RNOCHandle: DD1151-ARIN
             RNOCName:   DUNLAP, DAVE 
             RNOCPhone:  +1-704-972-1825 
             RNOCEmail:  dave.dunlap@nucor.com
             RNOCRef:    https://rdap.arin.net/registry/entity/DD1151-ARIN
             
             RTechHandle: DD1151-ARIN
             RTechName:   DUNLAP, DAVE 
             RTechPhone:  +1-704-972-1825 
             RTechEmail:  dave.dunlap@nucor.com
             RTechRef:    https://rdap.arin.net/registry/entity/DD1151-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.
             #