Report for 20021

Name

LNH-INC - Ntirety, Inc., 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.

20021 LNH-INC - Ntirety, Inc., US

  Adjacency:     4  Upstream:     1  Downstream:     3
  Upstream Adjacent AS list
    AS1299          TWELVE99 - Arelion Sweden AB, SE
  Downstream Adjacent AS list
    AS40481         G3-ASN-1 - G3 Group, US
    AS55117         LVSCU - Long View Systems Corporation (USA), US
    AS53658         SOCKETLABS - SocketLabs, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1123  AS20021        ORG+TRN Originate:     241664 /14.12  Transit:       2304 /20.83 LNH-INC - Ntirety, Inc., 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       %
 9899 AS20021       LNH-INC - Ntirety, Inc., US                       24      5      1     20      4  16.67%


  Prefix               AS Path                              Aggregation Suggestion
  65.36.128.0/17       4777 2516 1299 20021   
  65.182.192.0/19      4777 2516 1299 20021   
  66.36.191.0/24       4777 2516 1299 20021   
  66.241.192.0/18      4777 2516 1299 20021   
  67.59.128.0/18       4777 2516 1299 20021   
  72.4.160.0/20        4777 2516 1299 20021   
  76.12.0.0/16         4777 2516 1299 20021   
  76.12.92.0/24        4777 2516 1299 20021 - Withdrawn - matching aggregate 76.12.0.0/16 4777 2516 1299 20021
  173.239.96.0/19      4777 2516 1299 20021   
  199.231.128.0/20     4777 2516 1299 20021   
  199.231.144.0/22     4777 2516 1299 20021   
  204.12.0.0/17        4777 2516 1299 20021 + Announce - aggregate of 204.12.0.0/18 (4777 2516 1299 20021) and 204.12.64.0/18 (4777 2516 1299 20021)
  204.12.0.0/18        4777 2516 1299 20021 - Withdrawn - aggregated with 204.12.64.0/18 (4777 2516 1299 20021)
  204.12.64.0/19       4777 2516 1299 20021 - Withdrawn - aggregated with 204.12.96.0/19 (4777 2516 1299 20021)
  204.12.76.0/24       4777 2516 1299 20021 - Withdrawn - matching aggregate 204.12.64.0/19 4777 2516 1299 20021
  204.12.96.0/19       4777 2516 1299 20021 - Withdrawn - aggregated with 204.12.64.0/19 (4777 2516 1299 20021)
  208.112.0.0/17       4777 2516 1299 20021   
  209.41.160.0/19      4777 2516 1299 20021   
  209.164.56.0/21      4777 2516 1299 20021   
  209.216.40.0/23      4777 2516 1299 20021   
  209.216.44.0/23      4777 2516 1299 20021   
  216.74.36.0/24       4777 2516 1299 20021   
  216.74.48.0/22       4777 2516 1299 20021   
  216.74.56.0/21       4777 2516 1299 20021   
  216.248.192.0/20     4777 2516 1299 20021   

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

AS20021   12 More Specifics   24 Total Advertisements   LNH-INC - Ntirety, Inc., US
    66.36.191.0/24                66.36.160.0/19
    76.12.92.0/24                 76.12.0.0/16
    204.12.0.0/18                 204.12.0.0/17
    204.12.64.0/19                204.12.0.0/17
    204.12.76.0/24                204.12.0.0/17
    204.12.96.0/19                204.12.0.0/17
    209.164.56.0/21               209.164.0.0/18
    209.216.40.0/23               209.216.0.0/18
    209.216.44.0/23               209.216.0.0/18
    216.74.36.0/24                216.74.0.0/18
    216.74.48.0/22                216.74.0.0/18
    216.74.56.0/21                216.74.0.0/18

Whois Entry

whois: 402603

IANA has recorded AS20021 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS20021\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:       20021
             ASName:         LNH-INC
             ASHandle:       AS20021
             RegDate:        2001-03-15
             Updated:        2023-01-23
             Ref:            https://rdap.arin.net/registry/autnum/20021
             
             
             OrgName:        Ntirety, Inc.
             OrgId:          WCP32
             Address:        20 N. Wacker Dr. Suite 1000
             City:           Chicago
             StateProv:      IL
             PostalCode:     60606
             Country:        US
             RegDate:        2009-07-02
             Updated:        2026-06-05
             Ref:            https://rdap.arin.net/registry/entity/WCP32
             
             
             OrgTechHandle: IPADM271-ARIN
             OrgTechName:   IP Admin
             OrgTechPhone:  +1-302-731-4948 
             OrgTechEmail:  ipadmin@ntirety.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IPADM271-ARIN
             
             OrgAbuseHandle: ABUSE1072-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-302-731-4948 
             OrgAbuseEmail:  abuse@hostmysite.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1072-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.
             #