Report for 138030

Name

IWAN-AS-AP IWAN TECHNOLOGY PTE. LTD., SG

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.

138030 IWAN-AS-AP IWAN TECHNOLOGY PTE. LTD., SG

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS3491          PCCWG-APAC-HK PCCW Global HK Ltd., HK
    AS133296        WEBWERKS-AS-IN Web Werks India Pvt. Ltd., IN
    AS174           COGENT-174 - Cogent Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
30944 AS138030       ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  IWAN-AS-AP IWAN TECHNOLOGY PTE. LTD., SG

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       %
17390 AS138030      IWAN-AS-AP IWAN TECHNOLOGY PTE. LTD., SG           6      4      2      4      2  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  103.191.120.0/23     4777 2497 6453 4755 4755 133296 138030 + Announce - aggregate of 103.191.120.0/24 (4777 2497 6453 4755 4755 133296 138030) and 103.191.121.0/24 (4777 2497 6453 4755 4755 133296 138030)
  103.191.120.0/24     4777 2497 6453 4755 4755 133296 138030 - Withdrawn - aggregated with 103.191.121.0/24 (4777 2497 6453 4755 4755 133296 138030)
  103.191.121.0/24     4777 2497 6453 4755 4755 133296 138030 - Withdrawn - aggregated with 103.191.120.0/24 (4777 2497 6453 4755 4755 133296 138030)
  144.79.252.0/23      4777 2497 3491 138030 + Announce - aggregate of 144.79.252.0/24 (4777 2497 3491 138030) and 144.79.253.0/24 (4777 2497 3491 138030)
  144.79.252.0/24      4777 2497 3491 138030 - Withdrawn - aggregated with 144.79.253.0/24 (4777 2497 3491 138030)
  144.79.253.0/24      4777 2497 3491 138030 - Withdrawn - aggregated with 144.79.252.0/24 (4777 2497 3491 138030)
  154.22.137.0/24      4777 2516 174 138030   
  154.22.148.0/24      4777 2516 174 138030   

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

AS138030   4 More Specifics   6 Total Advertisements   IWAN-AS-AP IWAN TECHNOLOGY PTE. LTD., SG
    144.79.252.0/24               144.79.252.0/23
    144.79.253.0/24               144.79.252.0/23
    154.22.137.0/24               154.22.0.0/16
    154.22.148.0/24               154.22.0.0/16

Bogus Prefixes Announced by this AS

Prefix	Origin AS	AS Description	Unallocated block
103.191.120.0/24	AS138030	IWAN-AS-AP IWAN TECHNOLOGY PTE. LTD., SG	103.191.120.0 - 103.191.121.255
103.191.121.0/24	AS138030	IWAN-AS-AP IWAN TECHNOLOGY PTE. LTD., SG	103.191.120.0 - 103.191.121.255

Whois Entry

whois: 402332

IANA has recorded AS138030 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS138030\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS137530 - AS138553'
             
             as-block:       AS137530 - AS138553
             descr:          APNIC ASN block
             remarks:        These AS numbers are further assigned by APNIC
             remarks:        to APNIC members and end-users in the APNIC region
             admin-c:        HM20-AP
             tech-c:         HM20-AP
             mnt-by:         APNIC-HM
             mnt-lower:      APNIC-HM
             last-modified:  2017-12-08T06:45:58Z
             source:         APNIC
             
             % Information related to 'AS138030'
             
             % Abuse contact for 'AS138030' is 'jack.zheng@iwan-cloud.com'
             
             aut-num:        AS138030
             as-name:        IWAN-AS-AP
             descr:          IWAN TECHNOLOGY PTE. LTD.
             country:        SG
             org:            ORG-ITPL16-AP
             admin-c:        ITPL16-AP
             tech-c:         ITPL16-AP
             mnt-by:         APNIC-HM
             mnt-irt:        IRT-IWAN-SG
             mnt-routes:     MAINT-IWAN-SG
             mnt-lower:      MAINT-IWAN-SG
             abuse-c:        AI1085-AP
             last-modified:  2025-12-30T01:32:25Z
             source:         APNIC
             
             % Information related to 'AS137530 - AS138553'
             
             as-block:       AS137530 - AS138553
             descr:          APNIC ASN block
             admin-c:        IA55-AP
             tech-c:         IH123-AP
             mnt-by:         MNT-APJII-ID
             mnt-lower:      MNT-APJII-ID
             last-modified:  2026-02-16T12:29:14Z
             source:         IDNIC
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)