Report for 1255

Name

SMITHCOLLEGE-AS - Smith College, 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.

1255 SMITHCOLLEGE-AS - Smith College, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS1968          UMASSNET-AS1968 - UMASSNET, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4946  AS1255         ORIGIN  Originate:      37120 /16.82  Transit:          0 /0.00  SMITHCOLLEGE-AS - Smith College, 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       %
 3910 AS1255        SMITHCOLLEGE-AS - Smith College, US               14     13      0      1     13  92.86%


  Prefix               AS Path                              Aggregation Suggestion
  131.229.0.0/17       4608 7575 11537 1968 1255   
  131.229.0.0/24       4608 7575 11537 1968 1255 - Withdrawn - matching aggregate 131.229.0.0/17 4608 7575 11537 1968 1255
  131.229.1.0/24       4608 7575 11537 1968 1255 - Withdrawn - matching aggregate 131.229.0.0/17 4608 7575 11537 1968 1255
  131.229.2.0/24       4608 7575 11537 1968 1255 - Withdrawn - matching aggregate 131.229.0.0/17 4608 7575 11537 1968 1255
  131.229.3.0/24       4608 7575 11537 1968 1255 - Withdrawn - matching aggregate 131.229.0.0/17 4608 7575 11537 1968 1255
  131.229.4.0/24       4608 7575 11537 1968 1255 - Withdrawn - matching aggregate 131.229.0.0/17 4608 7575 11537 1968 1255
  131.229.5.0/24       4608 7575 11537 1968 1255 - Withdrawn - matching aggregate 131.229.0.0/17 4608 7575 11537 1968 1255
  131.229.6.0/24       4608 7575 11537 1968 1255 - Withdrawn - matching aggregate 131.229.0.0/17 4608 7575 11537 1968 1255
  131.229.8.0/24       4608 7575 11537 1968 1255 - Withdrawn - matching aggregate 131.229.0.0/17 4608 7575 11537 1968 1255
  131.229.40.0/23      4608 7575 11537 1968 1255 - Withdrawn - matching aggregate 131.229.0.0/17 4608 7575 11537 1968 1255
  131.229.42.0/23      4608 7575 11537 1968 1255 - Withdrawn - matching aggregate 131.229.0.0/17 4608 7575 11537 1968 1255
  131.229.44.0/23      4608 7575 11537 1968 1255 - Withdrawn - matching aggregate 131.229.0.0/17 4608 7575 11537 1968 1255
  131.229.46.0/23      4608 7575 11537 1968 1255 - Withdrawn - matching aggregate 131.229.0.0/17 4608 7575 11537 1968 1255
  131.229.67.0/24      4608 7575 11537 1968 1255 - Withdrawn - matching aggregate 131.229.0.0/17 4608 7575 11537 1968 1255

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

AS1255   13 More Specifics   14 Total Advertisements   SMITHCOLLEGE-AS - Smith College, US
    131.229.0.0/24                131.229.0.0/17
    131.229.1.0/24                131.229.0.0/17
    131.229.2.0/24                131.229.0.0/17
    131.229.3.0/24                131.229.0.0/17
    131.229.4.0/24                131.229.0.0/17
    131.229.5.0/24                131.229.0.0/17
    131.229.6.0/24                131.229.0.0/17
    131.229.8.0/24                131.229.0.0/17
    131.229.40.0/23               131.229.0.0/17
    131.229.42.0/23               131.229.0.0/17
    131.229.44.0/23               131.229.0.0/17
    131.229.46.0/23               131.229.0.0/17
    131.229.67.0/24               131.229.0.0/17

Whois Entry

whois: 402609

IANA has recorded AS1255 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS1255\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:       1255
             ASName:         SMITHCOLLEGE-AS
             ASHandle:       AS1255
             RegDate:        1991-04-24
             Updated:        2021-12-10
             Ref:            https://rdap.arin.net/registry/autnum/1255
             
             
             OrgName:        Smith College
             OrgId:          SCIS-8
             Address:        ITS
             Address:        Stoddard Hall
             City:           Northampton
             StateProv:      MA
             PostalCode:     01063
             Country:        US
             RegDate:        1991-04-24
             Updated:        2023-08-28
             Ref:            https://rdap.arin.net/registry/entity/SCIS-8
             
             
             OrgTechHandle: HUARD4-ARIN
             OrgTechName:   Huard, Kelly-Jean 
             OrgTechPhone:  +1-413-585-4409 
             OrgTechEmail:  khuard@smith.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/HUARD4-ARIN
             
             OrgAbuseHandle: ARP8-ARIN
             OrgAbuseName:   Abuse Role POC
             OrgAbusePhone:  +1-413-585-3770 
             OrgAbuseEmail:  abuse@smith.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ARP8-ARIN
             
             OrgTechHandle: ANSAL1-ARIN
             OrgTechName:   Ansaldo, Rob 
             OrgTechPhone:  +1-413-585-4583 
             OrgTechEmail:  ransaldo@smith.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/ANSAL1-ARIN
             
             OrgTechHandle: JOHNA14-ARIN
             OrgTechName:   Crowley, John A
             OrgTechPhone:  +1-413-585-2991 
             OrgTechEmail:  jcrowley@smith.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/JOHNA14-ARIN
             
             OrgDNSHandle: CARYT-ARIN
             OrgDNSName:   Cary, Tim 
             OrgDNSPhone:  +1-413-585-4506 
             OrgDNSEmail:  tcary@smith.edu
             OrgDNSRef:    https://rdap.arin.net/registry/entity/CARYT-ARIN
             
             OrgDNSHandle: ANSAL1-ARIN
             OrgDNSName:   Ansaldo, Rob 
             OrgDNSPhone:  +1-413-585-4583 
             OrgDNSEmail:  ransaldo@smith.edu
             OrgDNSRef:    https://rdap.arin.net/registry/entity/ANSAL1-ARIN
             
             OrgTechHandle: CARYT-ARIN
             OrgTechName:   Cary, Tim 
             OrgTechPhone:  +1-413-585-4506 
             OrgTechEmail:  tcary@smith.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/CARYT-ARIN
             
             RTechHandle: JOHNA14-ARIN
             RTechName:   Crowley, John A
             RTechPhone:  +1-413-585-2991 
             RTechEmail:  jcrowley@smith.edu
             RTechRef:    https://rdap.arin.net/registry/entity/JOHNA14-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.
             #