Report for 19174

Name

AS19174 - China Unicom (Americas) Operations Ltd, 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.

19174 AS19174 - China Unicom (Americas) Operations Ltd, US

  Adjacency:     4  Upstream:     3  Downstream:     1
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS701           UUNET - Verizon Business, US
  Downstream Adjacent AS list
    AS58536         AP-CONAC-AS-AP - CONAC (China Organizational Name Administration Center), CN

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13299 AS19174        ORG+TRN Originate:       6400 /19.36  Transit:        256 /24.00 AS19174 - China Unicom (Americas) Operations Ltd, 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       %
12126 AS19174       AS19174 - China Unicom (Americas) Operations       7      3      0      4      3  42.86%


  Prefix               AS Path                              Aggregation Suggestion
  199.102.92.0/22      4777 2516 701 19174    
  199.102.95.0/24      4777 2516 701 19174  - Withdrawn - matching aggregate 199.102.92.0/22 4777 2516 701 19174
  207.254.176.0/20     4777 2516 701 19174    
  207.254.177.0/24     4777 2497 174 19174    
  207.254.186.0/24     4777 2497 174 19174    
  207.254.189.0/24     4777 2516 701 19174  - Withdrawn - matching aggregate 207.254.176.0/20 4777 2516 701 19174
  207.254.190.0/24     4777 2516 701 19174  - Withdrawn - matching aggregate 207.254.176.0/20 4777 2516 701 19174

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

AS19174   5 More Specifics   7 Total Advertisements   AS19174 - China Unicom (Americas) Operations Ltd, US
    199.102.95.0/24               199.102.92.0/22
    207.254.177.0/24              207.254.176.0/20
    207.254.186.0/24              207.254.176.0/20
    207.254.189.0/24              207.254.176.0/20
    207.254.190.0/24              207.254.176.0/20

Whois Entry

whois: 402599

IANA has recorded AS19174 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19174\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:       19174
             ASName:         AS19174
             ASHandle:       AS19174
             RegDate:        2007-08-07
             Updated:        2023-09-25
             Comment:        https://unicomus.com
             Ref:            https://rdap.arin.net/registry/autnum/19174
             
             
             OrgName:        China Unicom (Americas) Operations Ltd
             OrgId:          CUAOL
             Address:        624 S Grand AVe, Suite 1709
             City:           Los Angeles
             StateProv:      CA
             PostalCode:     90017
             Country:        US
             RegDate:        2011-02-18
             Updated:        2026-04-14
             Ref:            https://rdap.arin.net/registry/entity/CUAOL
             
             
             OrgTechHandle: LUOSH2-ARIN
             OrgTechName:   Luo, Shi 
             OrgTechPhone:  +1-213-622-2195 
             OrgTechEmail:  dakar_luo@hotmail.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/LUOSH2-ARIN
             
             OrgAbuseHandle: LUOSH2-ARIN
             OrgAbuseName:   Luo, Shi 
             OrgAbusePhone:  +1-213-622-2195 
             OrgAbuseEmail:  dakar_luo@hotmail.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/LUOSH2-ARIN
             
             OrgNOCHandle: LIAOY1-ARIN
             OrgNOCName:   Liao, YenTing 
             OrgNOCPhone:  +1-213-622-2195 
             OrgNOCEmail:  yentingliao@chinaunicom.cn
             OrgNOCRef:    https://rdap.arin.net/registry/entity/LIAOY1-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.
             #