Report for 399856

Name

PRATTINSTITUTE-1 - Pratt Institute, 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.

399856 PRATTINSTITUTE-1 - Pratt Institute, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3754          NYSERNET3-AS - NYSERNet, US
    AS174           COGENT-174 - Cogent Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
29849 AS399856       ORIGIN  Originate:       1792 /21.19  Transit:          0 /0.00  PRATTINSTITUTE-1 - Pratt Institute, 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       %
29615 AS399856      PRATTINSTITUTE-1 - Pratt Institute, US             3      1      0      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  45.45.228.0/22       4608 7575 11537 3754 399856   
  45.45.228.0/24       4608 7575 11537 3754 399856 - Withdrawn - matching aggregate 45.45.228.0/22 4608 7575 11537 3754 399856
  65.51.58.0/23        4777 2516 174 399856 399856 399856   

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

AS399856   2 More Specifics   3 Total Advertisements   PRATTINSTITUTE-1 - Pratt Institute, US
    45.45.228.0/24                45.45.228.0/22
    65.51.58.0/23                 65.51.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS399856 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS399856\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:       399856
             ASName:         PRATTINSTITUTE-1
             ASHandle:       AS399856
             RegDate:        2021-07-07
             Updated:        2021-07-07
             Ref:            https://rdap.arin.net/registry/autnum/399856
             
             
             OrgName:        Pratt Institute
             OrgId:          PI-985
             Address:        200 Willoughby Avenue
             City:           Brooklyn
             StateProv:      NY
             PostalCode:     11205
             Country:        US
             RegDate:        2021-06-04
             Updated:        2021-10-12
             Ref:            https://rdap.arin.net/registry/entity/PI-985
             
             
             OrgTechHandle: NETWO4974-ARIN
             OrgTechName:   Network Administrator
             OrgTechPhone:  +1-718-399-4219 
             OrgTechEmail:  netgroup@pratt.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO4974-ARIN
             
             OrgDNSHandle: NETWO4974-ARIN
             OrgDNSName:   Network Administrator
             OrgDNSPhone:  +1-718-399-4219 
             OrgDNSEmail:  netgroup@pratt.edu
             OrgDNSRef:    https://rdap.arin.net/registry/entity/NETWO4974-ARIN
             
             OrgRoutingHandle: NETWO4974-ARIN
             OrgRoutingName:   Network Administrator
             OrgRoutingPhone:  +1-718-399-4219 
             OrgRoutingEmail:  netgroup@pratt.edu
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO4974-ARIN
             
             OrgAbuseHandle: NETWO4974-ARIN
             OrgAbuseName:   Network Administrator
             OrgAbusePhone:  +1-718-399-4219 
             OrgAbuseEmail:  netgroup@pratt.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO4974-ARIN
             
             OrgNOCHandle: NETWO4974-ARIN
             OrgNOCName:   Network Administrator
             OrgNOCPhone:  +1-718-399-4219 
             OrgNOCEmail:  netgroup@pratt.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO4974-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.
             #