Report for 63

Name

LL-MI - Massachusetts Institute of Technology, 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.

63 LL-MI - Massachusetts Institute of Technology, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS10578         GIGAPOP-NE - Harvard University, US
    AS13789         INTERNAP-BLK3 - Unitas Global, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3139  AS63           ORIGIN  Originate:      67840 /15.95  Transit:          0 /0.00  LL-MI - Massachusetts Institute of Technology, 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       %
20036 AS63          LL-MI - Massachusetts Institute of Technology      6      1      0      5      1  16.67%


  Prefix               AS Path                              Aggregation Suggestion
  129.55.0.0/16        4777 1828 13789 63     
  129.55.201.0/24      4777 1828 13789 63   - Withdrawn - matching aggregate 129.55.0.0/16 4777 1828 13789 63
  192.5.136.0/22       4777 1828 13789 63     
  192.5.140.0/23       4777 1828 13789 63     
  192.26.149.0/24      4777 1828 13789 63     
  192.26.150.0/24      4777 1828 13789 63     

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

AS63   1 More Specifics   6 Total Advertisements   LL-MI - Massachusetts Institute of Technology, US
    129.55.201.0/24               129.55.0.0/16

Whois Entry

whois: 402591

IANA has recorded AS63 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS63\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:       63
             ASName:         LL-MI
             ASHandle:       AS63
             RegDate:        1986-02-24
             Updated:        2023-12-04
             Ref:            https://rdap.arin.net/registry/autnum/63
             
             
             OrgName:        Massachusetts Institute of Technology
             OrgId:          MIT-Z
             Address:        Lincoln Laboratory
             City:           Lexington
             StateProv:      MA
             PostalCode:     02173-0073
             Country:        US
             RegDate:        2023-11-30
             Updated:        2023-11-30
             Ref:            https://rdap.arin.net/registry/entity/MIT-Z
             
             
             OrgAbuseHandle: ROBER120-ARIN
             OrgAbuseName:   Roberge, Russell 
             OrgAbusePhone:  +1-781-565-8425 
             OrgAbuseEmail:  larry.oconnell@ll.mit.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ROBER120-ARIN
             
             OrgTechHandle: ROBER120-ARIN
             OrgTechName:   Roberge, Russell 
             OrgTechPhone:  +1-781-565-8425 
             OrgTechEmail:  larry.oconnell@ll.mit.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/ROBER120-ARIN
             
             RTechHandle: ZM44-ARIN
             RTechName:   Lincoln Laboratory
             RTechPhone:  +1-781-981-7680 
             RTechEmail:  nets@ll.mit.edu
             RTechRef:    https://rdap.arin.net/registry/entity/ZM44-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.
             #