Report for 1906

Name

NORTHROP-GRUMMAN - Northrop Grumman, 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.

1906 NORTHROP-GRUMMAN - Northrop Grumman, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
482   AS1906         ORIGIN  Originate:     875264 /12.26  Transit:          0 /0.00  NORTHROP-GRUMMAN - Northrop Grumman, 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       %
 1824 AS1906        NORTHROP-GRUMMAN - Northrop Grumman, US           75     38      7     44     31  41.33%


  Prefix               AS Path                              Aggregation Suggestion
  129.4.0.0/16         4777 2497 7018 1906    
  130.124.0.0/16       4777 2497 7018 1906    
  132.228.0.0/16       4777 2497 7018 1906    
  134.223.0.0/16       4777 2497 7018 1906    
  134.223.4.0/22       4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.8.0/22       4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.17.0/24      4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.19.0/24      4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.128.0/20     4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.160.0/20     4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.184.0/22     4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.188.0/22     4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.192.0/19     4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.224.0/19     4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.224.0/22     4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.228.0/23     4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.230.0/24     4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.231.0/24     4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.232.0/24     4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.236.0/22     4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  134.223.239.0/24     4777 2497 7018 1906  - Withdrawn - matching aggregate 134.223.0.0/16 4777 2497 7018 1906
  137.51.0.0/16        4777 2497 7018 1906    
  153.113.0.0/16       4777 2497 7018 1906    
  155.104.0.0/16       4777 2497 7018 1906    
  157.127.0.0/16       4777 2497 7018 1906    
  158.114.0.0/16       4777 2497 7018 1906    
  159.4.0.0/16         4777 2497 7018 1906    
  159.201.0.0/16       4777 2497 7018 1906    
  167.225.0.0/17       4777 2497 7018 1906    
  192.31.248.0/24      4777 2497 7018 1906    
  192.35.84.0/24       4777 2497 7018 1906    
  192.45.0.0/16        4777 2497 7018 1906    
  192.45.0.0/19        4777 2497 7018 1906  - Withdrawn - matching aggregate 192.45.0.0/16 4777 2497 7018 1906
  192.83.248.0/24      4777 2497 7018 1906    
  192.86.67.0/24       4777 2497 7018 1906    
  192.86.68.0/22       4777 2497 7018 1906  + Announce - aggregate of 192.86.68.0/23 (4777 2497 7018 1906) and 192.86.70.0/23 (4777 2497 7018 1906)
  192.86.68.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 192.86.69.0/24 (4777 2497 7018 1906)
  192.86.69.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 192.86.68.0/24 (4777 2497 7018 1906)
  192.86.70.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 192.86.71.0/24 (4777 2497 7018 1906)
  192.86.71.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 192.86.70.0/24 (4777 2497 7018 1906)
  192.86.72.0/22       4777 2497 7018 1906  + Announce - aggregate of 192.86.72.0/23 (4777 2497 7018 1906) and 192.86.74.0/23 (4777 2497 7018 1906)
  192.86.72.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 192.86.73.0/24 (4777 2497 7018 1906)
  192.86.73.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 192.86.72.0/24 (4777 2497 7018 1906)
  192.86.74.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 192.86.75.0/24 (4777 2497 7018 1906)
  192.86.75.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 192.86.74.0/24 (4777 2497 7018 1906)
  192.86.76.0/24       4777 2497 7018 1906    
  192.107.246.0/24     4777 2497 7018 1906    
  192.112.60.0/24      4777 2497 7018 1906    
  192.112.143.0/24     4777 2497 7018 1906    
  192.112.144.0/24     4777 2497 7018 1906    
  192.112.146.0/23     4777 2497 7018 1906  + Announce - aggregate of 192.112.146.0/24 (4777 2497 7018 1906) and 192.112.147.0/24 (4777 2497 7018 1906)
  192.112.146.0/24     4777 2497 7018 1906  - Withdrawn - aggregated with 192.112.147.0/24 (4777 2497 7018 1906)
  192.112.147.0/24     4777 2497 7018 1906  - Withdrawn - aggregated with 192.112.146.0/24 (4777 2497 7018 1906)
  192.135.211.0/24     4777 2497 7018 1906    
  192.135.212.0/24     4777 2497 7018 1906    
  192.150.201.0/24     4777 2497 7018 1906    
  198.17.147.0/24      4777 2497 7018 1906    
  198.49.249.0/24      4777 2497 7018 1906    
  198.180.218.0/24     4777 2497 7018 1906    
  198.202.184.0/24     4777 2497 7018 1906    
  199.26.33.0/24       4777 2497 7018 1906    
  199.26.34.0/23       4777 2497 7018 1906  + Announce - aggregate of 199.26.34.0/24 (4777 2497 7018 1906) and 199.26.35.0/24 (4777 2497 7018 1906)
  199.26.34.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 199.26.35.0/24 (4777 2497 7018 1906)
  199.26.35.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 199.26.34.0/24 (4777 2497 7018 1906)
  199.26.36.0/22       4777 2497 7018 1906  + Announce - aggregate of 199.26.36.0/23 (4777 2497 7018 1906) and 199.26.38.0/23 (4777 2497 7018 1906)
  199.26.36.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 199.26.37.0/24 (4777 2497 7018 1906)
  199.26.37.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 199.26.36.0/24 (4777 2497 7018 1906)
  199.26.38.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 199.26.39.0/24 (4777 2497 7018 1906)
  199.26.39.0/24       4777 2497 7018 1906  - Withdrawn - aggregated with 199.26.38.0/24 (4777 2497 7018 1906)
  199.26.50.0/24       4777 2497 7018 1906    
  199.36.17.0/24       4777 2497 7018 1906    
  199.165.146.0/23     4777 2497 7018 1906  + Announce - aggregate of 199.165.146.0/24 (4777 2497 7018 1906) and 199.165.147.0/24 (4777 2497 7018 1906)
  199.165.146.0/24     4777 2497 7018 1906  - Withdrawn - aggregated with 199.165.147.0/24 (4777 2497 7018 1906)
  199.165.147.0/24     4777 2497 7018 1906  - Withdrawn - aggregated with 199.165.146.0/24 (4777 2497 7018 1906)
  199.165.148.0/24     4777 2497 7018 1906    
  204.118.7.0/24       4777 2497 7018 1906    
  208.1.160.0/20       4777 2497 7018 1906    
  208.12.120.0/23      4777 2497 7018 1906  + Announce - aggregate of 208.12.120.0/24 (4777 2497 7018 1906) and 208.12.121.0/24 (4777 2497 7018 1906)
  208.12.120.0/24      4777 2497 7018 1906  - Withdrawn - aggregated with 208.12.121.0/24 (4777 2497 7018 1906)
  208.12.121.0/24      4777 2497 7018 1906  - Withdrawn - aggregated with 208.12.120.0/24 (4777 2497 7018 1906)
  208.12.122.0/24      4777 2497 7018 1906    
  208.20.220.0/24      4777 2497 7018 1906    

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

AS1906   37 More Specifics   75 Total Advertisements   NORTHROP-GRUMMAN - Northrop Grumman, US
    134.223.4.0/22                134.223.0.0/16
    134.223.8.0/22                134.223.0.0/16
    134.223.17.0/24               134.223.0.0/16
    134.223.19.0/24               134.223.0.0/16
    134.223.128.0/20              134.223.0.0/16
    134.223.160.0/20              134.223.0.0/16
    134.223.184.0/22              134.223.0.0/16
    134.223.188.0/22              134.223.0.0/16
    134.223.192.0/19              134.223.0.0/16
    134.223.224.0/19              134.223.0.0/16
    134.223.224.0/22              134.223.0.0/16
    134.223.228.0/23              134.223.0.0/16
    134.223.230.0/24              134.223.0.0/16
    134.223.231.0/24              134.223.0.0/16
    134.223.232.0/24              134.223.0.0/16
    134.223.236.0/22              134.223.0.0/16
    134.223.239.0/24              134.223.0.0/16
    167.225.0.0/17                167.225.0.0/16
    192.45.0.0/19                 192.45.0.0/16
    192.107.246.0/24              192.107.246.0/23
    199.26.33.0/24                199.26.32.0/20
    199.26.34.0/24                199.26.32.0/20
    199.26.35.0/24                199.26.32.0/20
    199.26.36.0/24                199.26.32.0/20
    199.26.37.0/24                199.26.32.0/20
    199.26.38.0/24                199.26.32.0/20
    199.26.39.0/24                199.26.32.0/20
    199.26.50.0/24                199.26.48.0/22
    199.36.17.0/24                199.36.16.0/21
    199.165.146.0/24              199.165.146.0/23
    199.165.147.0/24              199.165.146.0/23
    204.118.7.0/24                204.118.0.0/15
    208.1.160.0/20                208.0.0.0/11
    208.12.120.0/24               208.0.0.0/11
    208.12.121.0/24               208.0.0.0/11
    208.12.122.0/24               208.0.0.0/11
    208.20.220.0/24               208.0.0.0/11

Whois Entry

whois: 402591

IANA has recorded AS1906 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS1906\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:       1906
             ASName:         NORTHROP-GRUMMAN
             ASHandle:       AS1906
             RegDate:        1992-06-02
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/1906
             
             
             OrgName:        Northrop Grumman
             OrgId:          NORTHR-3
             Address:        2411 Dulles Corner Road, Suite 700
             City:           Herndon
             StateProv:      VA
             PostalCode:     20171
             Country:        US
             RegDate:        1998-11-10
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/NORTHR-3
             
             
             OrgNOCHandle: JML25-ARIN
             OrgNOCName:   Lott, James Michael
             OrgNOCPhone:  +1-626-812-2162 
             OrgNOCEmail:  james.lott@ngc.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/JML25-ARIN
             
             OrgTechHandle: DA192-ARIN
             OrgTechName:   Abel, David G
             OrgTechPhone:  +1-616-446-3464 
             OrgTechEmail:  dave.abel@ngc.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DA192-ARIN
             
             OrgAbuseHandle: JML25-ARIN
             OrgAbuseName:   Lott, James Michael
             OrgAbusePhone:  +1-626-812-2162 
             OrgAbuseEmail:  james.lott@ngc.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/JML25-ARIN
             
             OrgNOCHandle: RJO140-ARIN
             OrgNOCName:   Johnson, Ronjay 
             OrgNOCPhone:  +1-256-830-3606 
             OrgNOCEmail:  ronjay.johnson@ngc.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/RJO140-ARIN
             
             OrgTechHandle: JML25-ARIN
             OrgTechName:   Lott, James Michael
             OrgTechPhone:  +1-626-812-2162 
             OrgTechEmail:  james.lott@ngc.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/JML25-ARIN
             
             OrgTechHandle: RJO140-ARIN
             OrgTechName:   Johnson, Ronjay 
             OrgTechPhone:  +1-256-830-3606 
             OrgTechEmail:  ronjay.johnson@ngc.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/RJO140-ARIN
             
             OrgAbuseHandle: RJO140-ARIN
             OrgAbuseName:   Johnson, Ronjay 
             OrgAbusePhone:  +1-256-830-3606 
             OrgAbuseEmail:  ronjay.johnson@ngc.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/RJO140-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.
             #