Report for 29752

Name

ZEN-SDN - Zenlayer 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.

29752 ZEN-SDN - Zenlayer Inc, US

  Adjacency:    11  Upstream:     3  Downstream:     8
  Upstream Adjacent AS list
    AS4229          ZEN-NET - Zenlayer Inc, US
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS3257          GTT-BACKBONE GTT, US
  Downstream Adjacent AS list
    AS402276        FNL-3H - FST Networks LTD., CA
    AS203057        ORG-VL468-RIPE, GB
    AS203054        ORG-TCL96-RIPE, GB
    AS203048        ORG-BNL44-RIPE, GB
    AS215152        ORG-CUL21-RIPE, GB
    AS209888        AERIANDI-AS, GB
    AS63793         OPSBETTER Japan OPS Better Co., Ltd., JP
    AS62610         ZEN-DPS - Zenlayer Inc, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18155 AS29752        ORG+TRN Originate:       3840 /20.09  Transit:      52480 /16.32 ZEN-SDN - Zenlayer 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       %
12318 AS29752       ZEN-SDN - Zenlayer Inc, US                        15      4      1     12      3  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  23.251.35.0/24       4777 2516 3257 29752   
  69.28.55.0/24        4777 2516 3257 29752   
  104.166.158.0/24     4777 2516 3257 29752   
  107.151.157.0/24     4608 7575 2914 4229 29752   
  107.151.194.0/24     4777 2516 3257 29752   
  128.14.13.0/24       4777 2497 174 29752    
  128.14.90.0/24       4777 2497 3257 29752   
  128.14.91.0/24       4777 2516 3257 29752   
  128.14.161.0/24      4777 2516 3257 29752   
  198.44.172.0/22      4777 2516 3257 29752 + Announce - aggregate of 198.44.172.0/23 (4777 2516 3257 29752) and 198.44.174.0/23 (4777 2516 3257 29752)
  198.44.172.0/24      4777 2516 3257 29752 - Withdrawn - aggregated with 198.44.173.0/24 (4777 2516 3257 29752)
  198.44.173.0/24      4777 2516 3257 29752 - Withdrawn - aggregated with 198.44.172.0/24 (4777 2516 3257 29752)
  198.44.174.0/24      4777 2516 3257 29752 - Withdrawn - aggregated with 198.44.175.0/24 (4777 2516 3257 29752)
  198.44.175.0/24      4777 2516 3257 29752 - Withdrawn - aggregated with 198.44.174.0/24 (4777 2516 3257 29752)
  199.190.47.0/24      4777 2516 3257 29752   
  216.225.162.0/24     4777 2497 3257 29752   

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

AS29752   15 More Specifics   15 Total Advertisements   ZEN-SDN - Zenlayer Inc, US
    23.251.35.0/24                23.251.32.0/19
    69.28.55.0/24                 69.28.48.0/20
    104.166.158.0/24              104.166.128.0/18
    107.151.157.0/24              107.151.128.0/18
    107.151.194.0/24              107.151.192.0/18
    128.14.13.0/24                128.14.0.0/16
    128.14.90.0/24                128.14.0.0/16
    128.14.91.0/24                128.14.0.0/16
    128.14.161.0/24               128.14.0.0/16
    198.44.172.0/24               198.44.160.0/19
    198.44.173.0/24               198.44.160.0/19
    198.44.174.0/24               198.44.160.0/19
    198.44.175.0/24               198.44.160.0/19
    199.190.47.0/24               199.190.44.0/22
    216.225.162.0/24              216.225.160.0/19

Whois Entry

whois: 402332

IANA has recorded AS29752 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS29752\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:       29752
             ASName:         ZEN-SDN
             ASHandle:       AS29752
             RegDate:        2006-03-10
             Updated:        2021-07-17
             Ref:            https://rdap.arin.net/registry/autnum/29752
             
             
             OrgName:        Zenlayer Inc
             OrgId:          ZENLA-7
             Address:        21680 Gateway Center Dr. Suite 350
             City:           Diamond Bar
             StateProv:      CA
             PostalCode:     91765
             Country:        US
             RegDate:        2017-12-27
             Updated:        2025-09-04
             Ref:            https://rdap.arin.net/registry/entity/ZENLA-7
             
             
             OrgNOCHandle: IPNOC27-ARIN
             OrgNOCName:   IPNOC
             OrgNOCPhone:  +1-800-858-7986 
             OrgNOCEmail:  ipnoc-t3@zenlayer.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/IPNOC27-ARIN
             
             OrgAbuseHandle: SOCOP-ARIN
             OrgAbuseName:   SOC Ops
             OrgAbusePhone:  +1-909-718-3558 
             OrgAbuseEmail:  abuse@zenlayer.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SOCOP-ARIN
             
             OrgTechHandle: IPADM641-ARIN
             OrgTechName:   IP ADMIN
             OrgTechPhone:  +1-909-718-3558 
             OrgTechEmail:  ipadmin@zenlayer.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IPADM641-ARIN
             
             OrgNOCHandle: IPADM641-ARIN
             OrgNOCName:   IP ADMIN
             OrgNOCPhone:  +1-909-718-3558 
             OrgNOCEmail:  ipadmin@zenlayer.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/IPADM641-ARIN
             
             OrgTechHandle: TANGR16-ARIN
             OrgTechName:   Tang, Ruifan 
             OrgTechPhone:  +1-800-858-7986 
             OrgTechEmail:  ruifan.tang@zenlayer.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/TANGR16-ARIN
             
             OrgTechHandle: IPNOC27-ARIN
             OrgTechName:   IPNOC
             OrgTechPhone:  +1-800-858-7986 
             OrgTechEmail:  ipnoc-t3@zenlayer.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IPNOC27-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.
             #