Report for 16481

Name

BABSON-GNET - Babson 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 AS6447) 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.

16481 BABSON-GNET, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3, US
    AS54004         OPTIMUM-WIFI2, US
    AS7015          COMCAST-7015, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2073  AS16481        ORIGIN  Originate:     122624 /15.10  Transit:          0 /0.00  BABSON-GNET, 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       %
 1090 AS16481       BABSON-GNET, US                                   76     68     10     18     58  76.32%


  Prefix               AS Path                              Aggregation Suggestion
  155.48.0.0/16        57866 3356 16481       
  155.48.1.0/24        57866 3356 7015 16481   
  155.48.2.0/24        57866 3356 16481     - Withdrawn - matching aggregate 155.48.0.0/16 57866 3356 16481
  155.48.6.0/23        57866 3356 7015 16481 + Announce - aggregate of 155.48.6.0/24 (57866 3356 7015 16481) and 155.48.7.0/24 (57866 3356 7015 16481)
  155.48.6.0/24        57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.7.0/24 (57866 3356 7015 16481)
  155.48.7.0/24        57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.6.0/24 (57866 3356 7015 16481)
  155.48.8.0/21        57866 3356 7015 16481 + Announce - aggregate of 155.48.8.0/22 (57866 3356 7015 16481) and 155.48.12.0/22 (57866 3356 7015 16481)
  155.48.8.0/24        57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.9.0/24 (57866 3356 7015 16481)
  155.48.9.0/24        57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.8.0/24 (57866 3356 7015 16481)
  155.48.10.0/24       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.11.0/24 (57866 3356 7015 16481)
  155.48.11.0/24       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.10.0/24 (57866 3356 7015 16481)
  155.48.12.0/24       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.13.0/24 (57866 3356 7015 16481)
  155.48.13.0/24       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.12.0/24 (57866 3356 7015 16481)
  155.48.14.0/24       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.15.0/24 (57866 3356 7015 16481)
  155.48.15.0/24       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.14.0/24 (57866 3356 7015 16481)
  155.48.16.0/20       57866 3356 7015 16481 + Announce - aggregate of 155.48.16.0/21 (57866 3356 7015 16481) and 155.48.24.0/21 (57866 3356 7015 16481)
  155.48.16.0/22       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.20.0/22 (57866 3356 7015 16481)
  155.48.20.0/22       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.16.0/22 (57866 3356 7015 16481)
  155.48.24.0/22       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.28.0/22 (57866 3356 7015 16481)
  155.48.28.0/22       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.24.0/22 (57866 3356 7015 16481)
  155.48.32.0/19       57866 3356 7015 16481 + Announce - aggregate of 155.48.32.0/20 (57866 3356 7015 16481) and 155.48.48.0/20 (57866 3356 7015 16481)
  155.48.32.0/22       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.36.0/22 (57866 3356 7015 16481)
  155.48.36.0/22       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.32.0/22 (57866 3356 7015 16481)
  155.48.40.0/24       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.41.0/24 (57866 3356 7015 16481)
  155.48.41.0/24       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.40.0/24 (57866 3356 7015 16481)
  155.48.42.0/24       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.43.0/24 (57866 3356 7015 16481)
  155.48.43.0/24       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.42.0/24 (57866 3356 7015 16481)
  155.48.44.0/24       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.45.0/24 (57866 3356 7015 16481)
  155.48.45.0/24       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.44.0/24 (57866 3356 7015 16481)
  155.48.46.0/23       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.44.0/23 (57866 3356 7015 16481)
  155.48.48.0/22       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.52.0/22 (57866 3356 7015 16481)
  155.48.52.0/22       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.48.0/22 (57866 3356 7015 16481)
  155.48.56.0/22       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.60.0/22 (57866 3356 7015 16481)
  155.48.60.0/22       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.56.0/22 (57866 3356 7015 16481)
  155.48.68.0/23       57866 3356 7015 16481   
  155.48.86.0/23       57866 3356 7015 16481   
  155.48.90.0/23       57866 3356 7015 16481   
  155.48.96.0/19       57866 3356 7015 16481 + Announce - aggregate of 155.48.96.0/20 (57866 3356 7015 16481) and 155.48.112.0/20 (57866 3356 7015 16481)
  155.48.96.0/22       57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.100.0/22 (57866 3356 7015 16481)
  155.48.100.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.96.0/22 (57866 3356 7015 16481)
  155.48.104.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.108.0/22 (57866 3356 7015 16481)
  155.48.108.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.104.0/22 (57866 3356 7015 16481)
  155.48.112.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.116.0/22 (57866 3356 7015 16481)
  155.48.116.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.112.0/22 (57866 3356 7015 16481)
  155.48.120.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.124.0/22 (57866 3356 7015 16481)
  155.48.124.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.120.0/22 (57866 3356 7015 16481)
  155.48.128.0/18      57866 3356 7015 16481 + Announce - aggregate of 155.48.128.0/19 (57866 3356 7015 16481) and 155.48.160.0/19 (57866 3356 7015 16481)
  155.48.128.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.132.0/22 (57866 3356 7015 16481)
  155.48.132.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.128.0/22 (57866 3356 7015 16481)
  155.48.136.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.140.0/22 (57866 3356 7015 16481)
  155.48.140.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.136.0/22 (57866 3356 7015 16481)
  155.48.144.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.148.0/22 (57866 3356 7015 16481)
  155.48.148.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.144.0/22 (57866 3356 7015 16481)
  155.48.152.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.156.0/22 (57866 3356 7015 16481)
  155.48.156.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.152.0/22 (57866 3356 7015 16481)
  155.48.160.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.164.0/22 (57866 3356 7015 16481)
  155.48.164.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.160.0/22 (57866 3356 7015 16481)
  155.48.168.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.172.0/22 (57866 3356 7015 16481)
  155.48.172.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.168.0/22 (57866 3356 7015 16481)
  155.48.176.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.180.0/22 (57866 3356 7015 16481)
  155.48.180.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.176.0/22 (57866 3356 7015 16481)
  155.48.184.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.188.0/22 (57866 3356 7015 16481)
  155.48.188.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.184.0/22 (57866 3356 7015 16481)
  155.48.192.0/19      57866 3356 7015 16481 + Announce - aggregate of 155.48.192.0/20 (57866 3356 7015 16481) and 155.48.208.0/20 (57866 3356 7015 16481)
  155.48.192.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.196.0/22 (57866 3356 7015 16481)
  155.48.196.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.192.0/22 (57866 3356 7015 16481)
  155.48.200.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.204.0/22 (57866 3356 7015 16481)
  155.48.204.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.200.0/22 (57866 3356 7015 16481)
  155.48.208.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.212.0/22 (57866 3356 7015 16481)
  155.48.212.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.208.0/22 (57866 3356 7015 16481)
  155.48.216.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.220.0/22 (57866 3356 7015 16481)
  155.48.220.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.216.0/22 (57866 3356 7015 16481)
  155.48.224.0/20      57866 3356 7015 16481 + Announce - aggregate of 155.48.224.0/21 (57866 3356 7015 16481) and 155.48.232.0/21 (57866 3356 7015 16481)
  155.48.224.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.228.0/22 (57866 3356 7015 16481)
  155.48.228.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.224.0/22 (57866 3356 7015 16481)
  155.48.232.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.236.0/22 (57866 3356 7015 16481)
  155.48.236.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.232.0/22 (57866 3356 7015 16481)
  155.48.240.0/21      57866 3356 7015 16481 + Announce - aggregate of 155.48.240.0/22 (57866 3356 7015 16481) and 155.48.244.0/22 (57866 3356 7015 16481)
  155.48.240.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.244.0/22 (57866 3356 7015 16481)
  155.48.244.0/22      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.240.0/22 (57866 3356 7015 16481)
  155.48.248.0/24      57866 3356 7015 16481   
  155.48.250.0/23      57866 3356 7015 16481 + Announce - aggregate of 155.48.250.0/24 (57866 3356 7015 16481) and 155.48.251.0/24 (57866 3356 7015 16481)
  155.48.250.0/24      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.251.0/24 (57866 3356 7015 16481)
  155.48.251.0/24      57866 3356 7015 16481 - Withdrawn - aggregated with 155.48.250.0/24 (57866 3356 7015 16481)
  155.48.252.0/24      6939 54004 16481       
  155.48.255.0/24      57866 3356 7015 16481   

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

AS16481   20 More Specifics   20 Total Advertisements   BABSON-GNET, US
    155.48.1.0/24                 155.48.0.0/16
    155.48.2.0/24                 155.48.0.0/16
    155.48.4.0/22                 155.48.0.0/16
    155.48.8.0/21                 155.48.0.0/16
    155.48.12.0/24                155.48.0.0/16
    155.48.16.0/20                155.48.0.0/16
    155.48.32.0/19                155.48.0.0/16
    155.48.64.0/18                155.48.0.0/16
    155.48.90.0/24                155.48.0.0/16
    155.48.128.0/18               155.48.0.0/16
    155.48.192.0/19               155.48.0.0/16
    155.48.224.0/20               155.48.0.0/16
    155.48.240.0/21               155.48.0.0/16
    155.48.248.0/24               155.48.0.0/16
    155.48.249.0/24               155.48.0.0/16
    155.48.250.0/24               155.48.0.0/16
    155.48.251.0/24               155.48.0.0/16
    155.48.252.0/24               155.48.0.0/16
    155.48.253.0/24               155.48.0.0/16
    155.48.255.0/24               155.48.0.0/16
    155.48.6.0/24                 155.48.0.0/16
    155.48.7.0/24                 155.48.0.0/16
    155.48.8.0/24                 155.48.0.0/16
    155.48.9.0/24                 155.48.0.0/16
    155.48.10.0/24                155.48.0.0/16
    155.48.11.0/24                155.48.0.0/16
    155.48.13.0/24                155.48.0.0/16
    155.48.14.0/24                155.48.0.0/16
    155.48.15.0/24                155.48.0.0/16
    155.48.50.0/24                155.48.0.0/16

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 155.48.4.0/22               Announced
    + 155.48.8.0/21               Announced
    + 155.48.16.0/20              Announced
    + 155.48.90.0/24              Announced
    + 155.48.128.0/18             Announced
    + 155.48.192.0/19             Announced
    + 155.48.224.0/20             Announced
    + 155.48.240.0/21             Announced
    + 155.48.248.0/24             Announced
    + 155.48.249.0/24             Announced
    + 155.48.252.0/24             Announced
    + 155.48.253.0/24             Announced
    - 155.48.0.0/16               Withdrawn
    - 155.48.6.0/24               Withdrawn
    - 155.48.7.0/24               Withdrawn
    - 155.48.8.0/24               Withdrawn
    - 155.48.9.0/24               Withdrawn
    - 155.48.10.0/24              Withdrawn
    - 155.48.11.0/24              Withdrawn
    - 155.48.13.0/24              Withdrawn
    - 155.48.14.0/24              Withdrawn
    - 155.48.15.0/24              Withdrawn
    - 155.48.50.0/24              Withdrawn

Whois Entry

whois: 402603

IANA has recorded AS16481 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS16481\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:       16481
             ASName:         BABSON-GNET
             ASHandle:       AS16481
             RegDate:        2000-05-03
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/16481
             
             
             OrgName:        Babson College
             OrgId:          BABSON
             Address:        Horn Computer Center
             Address:        231 Forest Street
             City:           Babson Park
             StateProv:      MA
             PostalCode:     02457
             Country:        US
             RegDate:        1992-10-21
             Updated:        2026-03-25
             Ref:            https://rdap.arin.net/registry/entity/BABSON
             
             
             OrgAbuseHandle: HOSTM863-ARIN
             OrgAbuseName:   Hostmaster
             OrgAbusePhone:  +1-781-239-6483 
             OrgAbuseEmail:  dns@babson.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM863-ARIN
             
             OrgTechHandle: HOSTM863-ARIN
             OrgTechName:   Hostmaster
             OrgTechPhone:  +1-781-239-6483 
             OrgTechEmail:  dns@babson.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM863-ARIN
             
             OrgTechHandle: ROBER1904-ARIN
             OrgTechName:   Roberts, Tim 
             OrgTechPhone:  +1-781-239-4454 
             OrgTechEmail:  troberts@babson.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/ROBER1904-ARIN
             
             RTechHandle: LG183-ARIN
             RTechName:   Gillis, Lawrence 
             RTechPhone:  +1-781-239-6464 
             RTechEmail:  Gillisl@babson.edu
             RTechRef:    https://rdap.arin.net/registry/entity/LG183-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.
             #