Report for 395610

Name

NXST-AS395610 - Nexstar Broadcasting 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.

395610 NXST-AS395610 - Nexstar Broadcasting Inc., US

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS7922          COMCAST-7922 - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2331  AS395610       ORIGIN  Originate:     100352 /15.39  Transit:          0 /0.00  NXST-AS395610 - Nexstar Broadcasting 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       %
 1641 AS395610      NXST-AS395610 - Nexstar Broadcasting Inc., US    128     44      9     93     35  27.34%


  Prefix               AS Path                              Aggregation Suggestion
  163.194.0.0/16       4777 2497 174 395610   
  163.194.2.0/24       4777 2497 7018 395610   
  163.194.4.0/24       4777 2497 7018 395610   
  163.194.6.0/24       4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.7.0/24       4777 2497 7018 395610   
  163.194.8.0/24       4777 2497 7018 395610   
  163.194.10.0/24      4777 2497 7018 395610   
  163.194.12.0/24      4777 2497 7018 395610   
  163.194.13.0/24      4608 7575 6461 395610   
  163.194.19.0/24      4777 2516 7922 395610   
  163.194.21.0/24      4777 2516 7922 395610   
  163.194.22.0/24      4777 2497 7018 395610   
  163.194.23.0/24      4777 2516 7922 395610   
  163.194.24.0/24      4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.25.0/24      4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.26.0/24      4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.28.0/24      4777 2516 7922 395610   
  163.194.29.0/24      4777 2497 7018 395610   
  163.194.42.0/24      4777 2497 7018 395610   
  163.194.44.0/24      4777 2516 7922 395610   
  163.194.46.0/24      4777 2497 7018 395610   
  163.194.48.0/24      4777 2497 7018 395610   
  163.194.49.0/24      4777 2516 7922 395610   
  163.194.51.0/24      4777 2516 7922 395610   
  163.194.54.0/23      4777 2497 7018 395610 + Announce - aggregate of 163.194.54.0/24 (4777 2497 7018 395610) and 163.194.55.0/24 (4777 2497 7018 395610)
  163.194.54.0/24      4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.55.0/24 (4777 2497 7018 395610)
  163.194.55.0/24      4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.54.0/24 (4777 2497 7018 395610)
  163.194.56.0/24      4777 2516 7922 395610   
  163.194.58.0/24      4777 2497 7018 395610   
  163.194.59.0/24      4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.60.0/24      4777 2497 7018 395610   
  163.194.61.0/24      4777 2516 7922 395610   
  163.194.62.0/23      4777 2497 7018 395610 + Announce - aggregate of 163.194.62.0/24 (4777 2497 7018 395610) and 163.194.63.0/24 (4777 2497 7018 395610)
  163.194.62.0/24      4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.63.0/24 (4777 2497 7018 395610)
  163.194.63.0/24      4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.62.0/24 (4777 2497 7018 395610)
  163.194.64.0/24      4777 2497 7018 395610   
  163.194.66.0/24      4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.67.0/24      4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.68.0/24      4777 2497 7018 395610   
  163.194.69.0/24      4777 2516 7922 395610   
  163.194.70.0/24      4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.71.0/24      4777 2516 7922 395610   
  163.194.86.0/24      4777 2516 7922 395610   
  163.194.87.0/24      4777 2497 7018 395610   
  163.194.88.0/23      4777 2497 7018 395610 + Announce - aggregate of 163.194.88.0/24 (4777 2497 7018 395610) and 163.194.89.0/24 (4777 2497 7018 395610)
  163.194.88.0/24      4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.89.0/24 (4777 2497 7018 395610)
  163.194.89.0/24      4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.88.0/24 (4777 2497 7018 395610)
  163.194.90.0/24      4608 7575 6461 395610   
  163.194.91.0/24      4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.92.0/24      4777 2516 7922 395610   
  163.194.93.0/24      4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.94.0/24      4777 2516 7922 395610   
  163.194.97.0/24      4608 7575 6461 395610   
  163.194.98.0/24      4777 2497 7018 395610   
  163.194.100.0/24     4777 2497 7018 395610   
  163.194.101.0/24     4777 2516 7922 395610   
  163.194.102.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.104.0/24     4777 2516 7922 395610   
  163.194.105.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.107.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.109.0/24     4777 2516 7922 395610   
  163.194.110.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.111.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.113.0/24     4777 2516 7922 395610   
  163.194.117.0/24     4777 2516 7922 395610   
  163.194.118.0/24     4777 2516 7922 395610   
  163.194.120.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.121.0/24     4777 2516 7922 395610   
  163.194.122.0/24     4777 2497 7018 395610   
  163.194.124.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.126.0/24     4777 2497 7018 395610   
  163.194.128.0/24     4777 2497 7018 395610   
  163.194.130.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.132.0/24     4777 2516 7922 395610   
  163.194.134.0/24     4777 2516 7922 395610   
  163.194.136.0/24     4777 2516 7922 395610   
  163.194.138.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.141.0/24     4777 2497 7018 395610   
  163.194.144.0/23     4777 2497 7018 395610 + Announce - aggregate of 163.194.144.0/24 (4777 2497 7018 395610) and 163.194.145.0/24 (4777 2497 7018 395610)
  163.194.144.0/24     4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.145.0/24 (4777 2497 7018 395610)
  163.194.145.0/24     4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.144.0/24 (4777 2497 7018 395610)
  163.194.147.0/24     4777 2497 7018 395610   
  163.194.152.0/24     4777 2497 7018 395610   
  163.194.154.0/24     4777 2497 7018 395610   
  163.194.155.0/24     4777 2516 7922 395610   
  163.194.156.0/24     4777 2497 7018 395610   
  163.194.158.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.160.0/24     4777 2497 7018 395610   
  163.194.162.0/24     4777 2497 7018 395610   
  163.194.163.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.164.0/24     4608 7575 6461 395610   
  163.194.165.0/24     4777 2516 7922 395610   
  163.194.167.0/24     4777 2497 7018 395610   
  163.194.168.0/23     4777 2497 7018 395610 + Announce - aggregate of 163.194.168.0/24 (4777 2497 7018 395610) and 163.194.169.0/24 (4777 2497 7018 395610)
  163.194.168.0/24     4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.169.0/24 (4777 2497 7018 395610)
  163.194.169.0/24     4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.168.0/24 (4777 2497 7018 395610)
  163.194.171.0/24     4777 2497 7018 395610   
  163.194.173.0/24     4777 2516 7922 395610   
  163.194.174.0/23     4777 2516 7922 395610 + Announce - aggregate of 163.194.174.0/24 (4777 2516 7922 395610) and 163.194.175.0/24 (4777 2516 7922 395610)
  163.194.174.0/24     4777 2516 7922 395610 - Withdrawn - aggregated with 163.194.175.0/24 (4777 2516 7922 395610)
  163.194.175.0/24     4777 2516 7922 395610 - Withdrawn - aggregated with 163.194.174.0/24 (4777 2516 7922 395610)
  163.194.178.0/24     4777 2497 7018 395610   
  163.194.179.0/24     4777 2516 7922 395610   
  163.194.183.0/24     4777 2516 7922 395610   
  163.194.185.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.187.0/24     4777 2516 7922 395610   
  163.194.189.0/24     4777 2516 7922 395610   
  163.194.190.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.191.0/24     4777 2516 7922 395610   
  163.194.192.0/24     4777 2516 7922 395610   
  163.194.193.0/24     4777 2497 7018 395610   
  163.194.194.0/24     4777 2497 7018 395610   
  163.194.195.0/24     4777 2516 7922 395610   
  163.194.196.0/23     4777 2497 7018 395610 + Announce - aggregate of 163.194.196.0/24 (4777 2497 7018 395610) and 163.194.197.0/24 (4777 2497 7018 395610)
  163.194.196.0/24     4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.197.0/24 (4777 2497 7018 395610)
  163.194.197.0/24     4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.196.0/24 (4777 2497 7018 395610)
  163.194.198.0/23     4777 2516 7922 395610 + Announce - aggregate of 163.194.198.0/24 (4777 2516 7922 395610) and 163.194.199.0/24 (4777 2516 7922 395610)
  163.194.198.0/24     4777 2516 7922 395610 - Withdrawn - aggregated with 163.194.199.0/24 (4777 2516 7922 395610)
  163.194.199.0/24     4777 2516 7922 395610 - Withdrawn - aggregated with 163.194.198.0/24 (4777 2516 7922 395610)
  163.194.201.0/24     4777 2516 7922 395610   
  163.194.203.0/24     4777 2516 7922 395610   
  163.194.204.0/24     4777 2497 7018 395610   
  163.194.205.0/24     4777 2516 7922 395610   
  163.194.206.0/24     4777 2497 7018 395610   
  163.194.207.0/24     4777 2516 7922 395610   
  163.194.208.0/24     4777 2516 7922 395610   
  163.194.209.0/24     4777 2497 7018 395610   
  163.194.215.0/24     4777 2497 7018 395610   
  163.194.220.0/23     4777 2497 7018 395610 + Announce - aggregate of 163.194.220.0/24 (4777 2497 7018 395610) and 163.194.221.0/24 (4777 2497 7018 395610)
  163.194.220.0/24     4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.221.0/24 (4777 2497 7018 395610)
  163.194.221.0/24     4777 2497 7018 395610 - Withdrawn - aggregated with 163.194.220.0/24 (4777 2497 7018 395610)
  163.194.241.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  163.194.253.0/24     4777 2497 7018 395610   
  163.194.254.0/24     4777 2497 174 395610 - Withdrawn - matching aggregate 163.194.0.0/16 4777 2497 174 395610
  172.84.136.0/21      4777 2497 174 395610   
  172.84.140.0/23      4777 2497 7018 395610   
  172.84.142.0/23      4777 2497 174 395610 - Withdrawn - matching aggregate 172.84.136.0/21 4777 2497 174 395610

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

AS395610   126 More Specifics   128 Total Advertisements   NXST-AS395610 - Nexstar Broadcasting Inc., US
    163.194.2.0/24                163.194.0.0/16
    163.194.4.0/24                163.194.0.0/16
    163.194.6.0/24                163.194.0.0/16
    163.194.7.0/24                163.194.0.0/16
    163.194.8.0/24                163.194.0.0/16
    163.194.10.0/24               163.194.0.0/16
    163.194.12.0/24               163.194.0.0/16
    163.194.13.0/24               163.194.0.0/16
    163.194.19.0/24               163.194.0.0/16
    163.194.21.0/24               163.194.0.0/16
    163.194.22.0/24               163.194.0.0/16
    163.194.23.0/24               163.194.0.0/16
    163.194.24.0/24               163.194.0.0/16
    163.194.25.0/24               163.194.0.0/16
    163.194.26.0/24               163.194.0.0/16
    163.194.28.0/24               163.194.0.0/16
    163.194.29.0/24               163.194.0.0/16
    163.194.42.0/24               163.194.0.0/16
    163.194.44.0/24               163.194.0.0/16
    163.194.46.0/24               163.194.0.0/16
    163.194.48.0/24               163.194.0.0/16
    163.194.49.0/24               163.194.0.0/16
    163.194.51.0/24               163.194.0.0/16
    163.194.54.0/24               163.194.0.0/16
    163.194.55.0/24               163.194.0.0/16
    163.194.56.0/24               163.194.0.0/16
    163.194.58.0/24               163.194.0.0/16
    163.194.59.0/24               163.194.0.0/16
    163.194.60.0/24               163.194.0.0/16
    163.194.61.0/24               163.194.0.0/16
    163.194.62.0/24               163.194.0.0/16
    163.194.63.0/24               163.194.0.0/16
    163.194.64.0/24               163.194.0.0/16
    163.194.66.0/24               163.194.0.0/16
    163.194.67.0/24               163.194.0.0/16
    163.194.68.0/24               163.194.0.0/16
    163.194.69.0/24               163.194.0.0/16
    163.194.70.0/24               163.194.0.0/16
    163.194.71.0/24               163.194.0.0/16
    163.194.86.0/24               163.194.0.0/16
    163.194.87.0/24               163.194.0.0/16
    163.194.88.0/24               163.194.0.0/16
    163.194.89.0/24               163.194.0.0/16
    163.194.90.0/24               163.194.0.0/16
    163.194.91.0/24               163.194.0.0/16
    163.194.92.0/24               163.194.0.0/16
    163.194.93.0/24               163.194.0.0/16
    163.194.94.0/24               163.194.0.0/16
    163.194.97.0/24               163.194.0.0/16
    163.194.98.0/24               163.194.0.0/16
    163.194.100.0/24              163.194.0.0/16
    163.194.101.0/24              163.194.0.0/16
    163.194.102.0/24              163.194.0.0/16
    163.194.104.0/24              163.194.0.0/16
    163.194.105.0/24              163.194.0.0/16
    163.194.107.0/24              163.194.0.0/16
    163.194.109.0/24              163.194.0.0/16
    163.194.110.0/24              163.194.0.0/16
    163.194.111.0/24              163.194.0.0/16
    163.194.113.0/24              163.194.0.0/16
    163.194.117.0/24              163.194.0.0/16
    163.194.118.0/24              163.194.0.0/16
    163.194.120.0/24              163.194.0.0/16
    163.194.121.0/24              163.194.0.0/16
    163.194.122.0/24              163.194.0.0/16
    163.194.124.0/24              163.194.0.0/16
    163.194.126.0/24              163.194.0.0/16
    163.194.128.0/24              163.194.0.0/16
    163.194.130.0/24              163.194.0.0/16
    163.194.132.0/24              163.194.0.0/16
    163.194.134.0/24              163.194.0.0/16
    163.194.136.0/24              163.194.0.0/16
    163.194.138.0/24              163.194.0.0/16
    163.194.141.0/24              163.194.0.0/16
    163.194.144.0/24              163.194.0.0/16
    163.194.145.0/24              163.194.0.0/16
    163.194.147.0/24              163.194.0.0/16
    163.194.152.0/24              163.194.0.0/16
    163.194.154.0/24              163.194.0.0/16
    163.194.155.0/24              163.194.0.0/16
    163.194.156.0/24              163.194.0.0/16
    163.194.158.0/24              163.194.0.0/16
    163.194.160.0/24              163.194.0.0/16
    163.194.162.0/24              163.194.0.0/16
    163.194.163.0/24              163.194.0.0/16
    163.194.164.0/24              163.194.0.0/16
    163.194.165.0/24              163.194.0.0/16
    163.194.167.0/24              163.194.0.0/16
    163.194.168.0/24              163.194.0.0/16
    163.194.169.0/24              163.194.0.0/16
    163.194.171.0/24              163.194.0.0/16
    163.194.173.0/24              163.194.0.0/16
    163.194.174.0/24              163.194.0.0/16
    163.194.175.0/24              163.194.0.0/16
    163.194.178.0/24              163.194.0.0/16
    163.194.179.0/24              163.194.0.0/16
    163.194.183.0/24              163.194.0.0/16
    163.194.185.0/24              163.194.0.0/16
    163.194.187.0/24              163.194.0.0/16
    163.194.189.0/24              163.194.0.0/16
    163.194.190.0/24              163.194.0.0/16
    163.194.191.0/24              163.194.0.0/16
    163.194.192.0/24              163.194.0.0/16
    163.194.193.0/24              163.194.0.0/16
    163.194.194.0/24              163.194.0.0/16
    163.194.195.0/24              163.194.0.0/16
    163.194.196.0/24              163.194.0.0/16
    163.194.197.0/24              163.194.0.0/16
    163.194.198.0/24              163.194.0.0/16
    163.194.199.0/24              163.194.0.0/16
    163.194.201.0/24              163.194.0.0/16
    163.194.203.0/24              163.194.0.0/16
    163.194.204.0/24              163.194.0.0/16
    163.194.205.0/24              163.194.0.0/16
    163.194.206.0/24              163.194.0.0/16
    163.194.207.0/24              163.194.0.0/16
    163.194.208.0/24              163.194.0.0/16
    163.194.209.0/24              163.194.0.0/16
    163.194.215.0/24              163.194.0.0/16
    163.194.220.0/24              163.194.0.0/16
    163.194.221.0/24              163.194.0.0/16
    163.194.241.0/24              163.194.0.0/16
    163.194.253.0/24              163.194.0.0/16
    163.194.254.0/24              163.194.0.0/16
    172.84.140.0/23               172.84.136.0/21
    172.84.142.0/23               172.84.136.0/21

Whois Entry

whois: 402332

IANA has recorded AS395610 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS395610\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:       395610
             ASName:         NXST-AS395610
             ASHandle:       AS395610
             RegDate:        2016-10-20
             Updated:        2026-04-17
             Comment:        Nexstar Data Centers
             Ref:            https://rdap.arin.net/registry/autnum/395610
             
             
             OrgName:        Nexstar Media Inc.
             OrgId:          NB-180
             Address:        545 E. John Carpenter Freeway Suite 700
             City:           Irving
             StateProv:      TX
             PostalCode:     75062
             Country:        US
             RegDate:        2016-07-22
             Updated:        2026-04-14
             Ref:            https://rdap.arin.net/registry/entity/NB-180
             
             
             OrgAbuseHandle: NETWO7857-ARIN
             OrgAbuseName:   Network-Eng
             OrgAbusePhone:  +1-972-373-8800 
             OrgAbuseEmail:  arincontacts@nexstar.tv
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO7857-ARIN
             
             OrgTechHandle: NETWO7857-ARIN
             OrgTechName:   Network-Eng
             OrgTechPhone:  +1-972-373-8800 
             OrgTechEmail:  arincontacts@nexstar.tv
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO7857-ARIN
             
             OrgNOCHandle: NETWO7857-ARIN
             OrgNOCName:   Network-Eng
             OrgNOCPhone:  +1-972-373-8800 
             OrgNOCEmail:  arincontacts@nexstar.tv
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO7857-ARIN
             
             
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