Report for 8121

Name

LAYER42 - TCH Network Services, 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 AS4637) 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.

8121 TCH - TCH Network Services

  Adjacency:     8  Upstream:     2  Downstream:     6
  Upstream Adjacent AS list
    AS3491    BTN-ASN - Beyond The Network America, Inc.
    AS4436    AS-NLAYER - nLayer Communications, Inc.
  Downstream Adjacent AS list
    AS36212   PLAXOASN-1 - Plaxo Incorporated
    AS13390   GENIUS-NETWORK - Genius.com,Inc
    AS11414   NVIDIA-NET - Nvidia Corporation
    AS31110   AKAMAI-SJC Akamai Technologies SJC ASN
    AS20189   AKAMAI-AS - Akamai Technologies
    AS19746   TELEPHIA - Telephia

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3934  AS8121   ORG+TRN Originate:      31232 /17.07  Transit:       4352 /19.91 TCH - TCH Network Services

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       %
 2924 AS8121  TCH - TCH Network Services                   17      3      0     14      3  17.65%


  Prefix               AS Path                              Aggregation Suggestion
  64.92.96.0/19        4637 4436 8121         
  69.36.224.0/19       4637 4436 8121         
  71.19.236.0/22       4637 4436 8121         
  71.19.250.0/24       4637 4436 8121         
  192.67.14.0/24       4637 4436 8121         
  192.102.231.0/24     4637 4436 8121         
  198.17.5.0/24        4637 4436 8121         
  198.102.244.0/24     4637 4436 8121         
  198.137.202.0/24     4637 4436 8121         
  199.46.30.0/23       4637 4436 8121         
  199.74.220.0/23      4637 4436 8121         
  204.87.183.0/24      4637 4436 8121         
  208.64.168.0/21      4637 4436 8121         
  216.129.96.0/19      4637 4436 8121         
  216.129.100.0/24     4637 4436 8121       - Withdrawn - matching aggregate 216.129.96.0/19 4637 4436 8121
  216.129.109.0/24     4637 4436 8121       - Withdrawn - matching aggregate 216.129.96.0/19 4637 4436 8121
  216.129.111.0/24     4637 4436 8121       - Withdrawn - matching aggregate 216.129.96.0/19 4637 4436 8121

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

AS8121   7 More Specifics   18 Total Advertisements   TCH - TCH Network Services
    69.36.231.0/24                69.36.224.0/19
    71.19.236.0/22                71.19.128.0/17
    71.19.250.0/24                71.19.128.0/17
    199.46.30.0/23                199.46.16.0/20
    216.129.100.0/24              216.129.96.0/19
    216.129.109.0/24              216.129.96.0/19
    216.129.111.0/24              216.129.96.0/19

Whois Entry

whois: 402603

IANA has recorded AS8121 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS8121\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:       8121
             ASName:         LAYER42
             ASHandle:       AS8121
             RegDate:        1997-04-17
             Updated:        2013-11-14
             Ref:            https://rdap.arin.net/registry/autnum/8121
             
             
             OrgName:        TCH Network Services
             OrgId:          TNS-32
             Address:        100 Balboa Pl
             City:           Needles
             StateProv:      CA
             PostalCode:     92363
             Country:        US
             RegDate:        1997-04-17
             Updated:        2022-10-18
             Ref:            https://rdap.arin.net/registry/entity/TNS-32
             
             
             OrgTechHandle: LAYER-ARIN
             OrgTechName:   Layer42 Operations
             OrgTechPhone:  +1-408-728-4330 
             OrgTechEmail:  noc@rubinbroadcasting.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/LAYER-ARIN
             
             OrgAbuseHandle: ABUSE1675-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-408-728-4330 
             OrgAbuseEmail:  abuse@rubinbroadcasting.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1675-ARIN
             
             RTechHandle: SR91-ARIN
             RTechName:   Rubin, Steve Eric
             RTechPhone:  +1-408-728-4330 
             RTechEmail:  ser@tch.org
             RTechRef:    https://rdap.arin.net/registry/entity/SR91-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.
             #