Report for 400836

Name

SLG-OMA - SL Green Realty Corp, 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.

400836 SLG-OMA - SL Green Realty Corp, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
77469 AS400836       ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  SLG-OMA - SL Green Realty Corp, 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       %
77242 AS400836      SLG-OMA - SL Green Realty Corp, US                 1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  65.51.173.0/24       4777 2497 1299 46887 400836 400836   

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

AS400836   1 More Specifics   1 Total Advertisements   SLG-OMA - SL Green Realty Corp, US
    65.51.173.0/24                65.51.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS400836 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS400836\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:       400836
             ASName:         SLG-OMA
             ASHandle:       AS400836
             RegDate:        2023-01-26
             Updated:        2023-01-26
             Ref:            https://rdap.arin.net/registry/autnum/400836
             
             
             OrgName:        SL Green Realty Corp
             OrgId:          SGRC-1
             Address:        420 Lexington Ave 18th Floor
             City:           NY
             StateProv:      NY
             PostalCode:     10170
             Country:        US
             RegDate:        2008-04-25
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/SGRC-1
             
             
             OrgAbuseHandle: ENGIN81-ARIN
             OrgAbuseName:   Engineering
             OrgAbusePhone:  +1-212-216-1644 
             OrgAbuseEmail:  misadmin@slgreen.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ENGIN81-ARIN
             
             OrgTechHandle: ENGIN81-ARIN
             OrgTechName:   Engineering
             OrgTechPhone:  +1-212-216-1644 
             OrgTechEmail:  misadmin@slgreen.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ENGIN81-ARIN
             
             OrgNOCHandle: ENGIN81-ARIN
             OrgNOCName:   Engineering
             OrgNOCPhone:  +1-212-216-1644 
             OrgNOCEmail:  misadmin@slgreen.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ENGIN81-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.
             #