Report for 59253

Name

LEASEWEB-APAC-SIN-11 LEASEWEB SINGAPORE 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.

59253 LEASEWEB-APAC-SIN-11 LEASEWEB SINGAPORE PTE. LTD., SG

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS4637          ASN-TELSTRA-GLOBAL Telstra Global, HK
    AS1299          TWELVE99 Arelion, fka Telia Carrier, SE
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS6453          AS6453 - TATA COMMUNICATIONS AMERICA INC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4492  AS59253        ORIGIN  Originate:      46336 /16.50  Transit:          0 /0.00  LEASEWEB-APAC-SIN-11 LEASEWEB SINGAPORE 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       %
 6597 AS59253       LEASEWEB-APAC-SIN-11 LEASEWEB SINGAPORE PTE.      79     12      5     72      7   8.86%


  Prefix               AS Path                              Aggregation Suggestion
  23.106.48.0/21       4777 2497 174 59253 59253   
  23.106.50.0/24       4777 2497 1299 59253 59253   
  23.106.64.0/20       4777 2497 1299 59253 59253   
  23.106.67.0/24       4777 2516 6453 59253 59253 59253 59253 59253 59253 59253 59253 59253   
  23.106.120.0/21      4777 2497 1299 59253 59253   
  23.106.248.0/21      4777 2497 1299 59253 59253   
  23.108.96.0/21       4777 2497 1299 59253 59253   
  23.111.12.0/22       4777 2497 1299 59253 59253   
  23.111.14.0/23       4777 2497 174 59253 59253   
  43.246.113.0/24      4777 2497 1299 59253 59253   
  43.249.38.0/23       4777 2497 1299 59253 59253   
  45.38.109.0/24       4777 2497 174 59253 59253   
  45.38.110.0/23       4777 2497 174 59253 59253 + Announce - aggregate of 45.38.110.0/24 (4777 2497 174 59253 59253) and 45.38.111.0/24 (4777 2497 174 59253 59253)
  45.38.110.0/24       4777 2497 174 59253 59253 - Withdrawn - aggregated with 45.38.111.0/24 (4777 2497 174 59253 59253)
  45.38.111.0/24       4777 2497 174 59253 59253 - Withdrawn - aggregated with 45.38.110.0/24 (4777 2497 174 59253 59253)
  45.38.112.0/24       4777 2497 174 59253 59253   
  45.39.62.0/24        4777 2497 174 59253 59253   
  45.39.72.0/23        4777 2497 174 59253 59253 + Announce - aggregate of 45.39.72.0/24 (4777 2497 174 59253 59253) and 45.39.73.0/24 (4777 2497 174 59253 59253)
  45.39.72.0/24        4777 2497 174 59253 59253 - Withdrawn - aggregated with 45.39.73.0/24 (4777 2497 174 59253 59253)
  45.39.73.0/24        4777 2497 174 59253 59253 - Withdrawn - aggregated with 45.39.72.0/24 (4777 2497 174 59253 59253)
  45.39.75.0/24        4777 2497 174 59253 59253   
  64.120.92.0/22       4777 2497 174 59253 59253   
  64.120.110.0/23      4777 2497 1299 59253 59253   
  69.161.221.0/24      4777 2497 1299 59253 59253   
  81.31.208.0/24       4777 2497 1299 59253 59253   
  96.9.210.0/24        4777 2497 1299 59253 59253   
  103.21.221.0/24      4777 2497 1299 59253 59253   
  103.35.182.0/23      4777 2497 1299 59253 59253   
  103.47.155.0/24      4777 2497 1299 59253 59253   
  103.64.18.0/23       4777 2497 1299 59253 59253 + Announce - aggregate of 103.64.18.0/24 (4777 2497 1299 59253 59253) and 103.64.19.0/24 (4777 2497 1299 59253 59253)
  103.64.18.0/24       4777 2497 1299 59253 59253 - Withdrawn - aggregated with 103.64.19.0/24 (4777 2497 1299 59253 59253)
  103.64.19.0/24       4777 2497 1299 59253 59253 - Withdrawn - aggregated with 103.64.18.0/24 (4777 2497 1299 59253 59253)
  103.119.218.0/24     4777 2497 1299 59253 59253   
  103.148.140.0/24     4777 2497 1299 59253 59253   
  103.149.84.0/24      4777 2497 1299 59253 59253   
  103.151.102.0/24     4777 2497 1299 59253 59253   
  103.152.16.0/24      4777 2497 1299 59253 59253   
  103.160.58.0/24      4777 2497 1299 59253 59253   
  103.163.52.0/24      4777 2497 1299 59253 59253   
  103.198.77.0/24      4777 2497 1299 59253 59253   
  103.247.27.0/24      4777 2497 1299 59253 59253   
  103.254.152.0/22     4777 2497 1299 59253 59253   
  104.252.139.0/24     4777 2497 174 59253 59253   
  104.252.140.0/24     4777 2497 174 59253 59253   
  104.252.142.0/24     4777 2497 174 59253 59253   
  104.252.149.0/24     4777 2497 174 59253 59253   
  104.253.150.0/24     4777 2497 174 59253 59253   
  104.253.155.0/24     4777 2497 174 59253 59253   
  104.253.171.0/24     4777 2497 174 59253 59253   
  104.253.172.0/24     4777 2497 174 59253 59253   
  141.193.22.0/24      4777 2497 1299 59253 59253   
  142.91.96.0/21       4777 2497 174 59253 59253 + Announce - aggregate of 142.91.96.0/22 (4777 2497 174 59253 59253) and 142.91.100.0/22 (4777 2497 174 59253 59253)
  142.91.96.0/23       4777 2497 174 59253 59253 - Withdrawn - aggregated with 142.91.98.0/23 (4777 2497 174 59253 59253)
  142.91.98.0/23       4777 2497 174 59253 59253 - Withdrawn - aggregated with 142.91.96.0/23 (4777 2497 174 59253 59253)
  142.91.100.0/23      4777 2497 174 59253 59253 - Withdrawn - aggregated with 142.91.102.0/23 (4777 2497 174 59253 59253)
  142.91.102.0/23      4777 2497 174 59253 59253 - Withdrawn - aggregated with 142.91.100.0/23 (4777 2497 174 59253 59253)
  151.246.1.0/24       4777 2497 174 59253 59253   
  154.37.92.0/23       4777 2497 1299 59253 59253   
  164.152.166.0/23     4777 2497 1299 59253 59253   
  167.253.158.0/24     4777 2497 1299 59253 59253   
  171.22.62.0/23       4777 2497 1299 59253 59253   
  172.93.218.0/23      4777 2497 1299 59253 59253   
  172.96.190.0/23      4777 2497 1299 59253 59253   
  172.252.0.0/24       4777 2497 174 59253 59253   
  172.252.4.0/24       4777 2497 174 59253 59253   
  172.255.208.0/22     4777 2497 174 59253 59253   
  173.234.0.0/22       4777 2497 174 59253 59253 + Announce - aggregate of 173.234.0.0/23 (4777 2497 174 59253 59253) and 173.234.2.0/23 (4777 2497 174 59253 59253)
  173.234.0.0/23       4777 2497 174 59253 59253 - Withdrawn - aggregated with 173.234.2.0/23 (4777 2497 174 59253 59253)
  173.234.2.0/23       4777 2497 174 59253 59253 - Withdrawn - aggregated with 173.234.0.0/23 (4777 2497 174 59253 59253)
  173.234.4.0/22       4777 2497 1299 59253 59253   
  173.234.8.0/22       4777 2497 174 59253 59253   
  173.234.12.0/23      4777 2497 1299 59253 59253   
  173.234.14.0/23      4777 2497 174 59253 59253   
  185.129.122.0/24     4777 2497 1299 59253 59253   
  194.127.192.0/23     4777 2497 1299 59253 59253   
  195.85.19.0/24       4777 2497 1299 59253 59253   
  198.252.101.0/24     4777 2497 1299 59253 59253   
  198.252.110.0/24     4777 2497 1299 59253 59253   
  202.134.241.0/24     4777 2497 1299 59253 59253   
  203.24.92.0/24       4777 2497 1299 59253 59253   
  206.232.52.0/23      4777 2497 1299 59253 59253   
  209.17.118.0/24      4777 2497 1299 59253 59253   
  209.58.160.0/20      4777 2497 1299 59253 59253   
  209.58.176.0/21      4777 2497 1299 59253 59253   

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

AS59253   60 More Specifics   79 Total Advertisements   LEASEWEB-APAC-SIN-11 LEASEWEB SINGAPORE PTE. LTD., SG
    23.106.50.0/24                23.106.48.0/21
    23.106.67.0/24                23.106.64.0/20
    23.111.14.0/23                23.111.12.0/22
    43.246.113.0/24               43.246.112.0/22
    45.38.109.0/24                45.38.0.0/15
    45.38.110.0/24                45.38.0.0/15
    45.38.111.0/24                45.38.0.0/15
    45.38.112.0/24                45.38.0.0/15
    45.39.62.0/24                 45.38.0.0/15
    45.39.72.0/24                 45.38.0.0/15
    45.39.73.0/24                 45.38.0.0/15
    45.39.75.0/24                 45.38.0.0/15
    81.31.208.0/24                81.31.208.0/21
    96.9.210.0/24                 96.9.192.0/18
    103.21.221.0/24               103.21.220.0/23
    103.35.182.0/23               103.35.180.0/22
    103.47.155.0/24               103.47.154.0/23
    103.64.18.0/24                103.64.16.0/22
    103.64.19.0/24                103.64.16.0/22
    103.119.218.0/24              103.119.216.0/22
    103.148.140.0/24              103.148.140.0/23
    103.149.84.0/24               103.149.84.0/23
    103.151.102.0/24              103.151.102.0/23
    103.152.16.0/24               103.152.16.0/23
    103.160.58.0/24               103.160.58.0/23
    103.163.52.0/24               103.163.52.0/23
    103.198.77.0/24               103.198.76.0/22
    103.247.27.0/24               103.247.24.0/22
    104.252.139.0/24              104.252.0.0/15
    104.252.140.0/24              104.252.0.0/15
    104.252.142.0/24              104.252.0.0/15
    104.252.149.0/24              104.252.0.0/15
    104.253.150.0/24              104.252.0.0/15
    104.253.155.0/24              104.252.0.0/15
    104.253.171.0/24              104.252.0.0/15
    104.253.172.0/24              104.252.0.0/15
    141.193.22.0/24               141.193.22.0/23
    142.91.96.0/23                142.91.96.0/21
    142.91.98.0/23                142.91.96.0/21
    142.91.100.0/23               142.91.96.0/21
    142.91.102.0/23               142.91.96.0/21
    151.246.1.0/24                151.246.0.0/16
    154.37.92.0/23                154.37.0.0/16
    167.253.158.0/24              167.253.156.0/22
    171.22.62.0/23                171.22.60.0/22
    172.93.218.0/23               172.93.128.0/17
    172.96.190.0/23               172.96.184.0/21
    172.252.0.0/24                172.252.0.0/16
    172.252.4.0/24                172.252.0.0/16
    173.234.0.0/23                173.234.0.0/20
    173.234.2.0/23                173.234.0.0/20
    173.234.4.0/22                173.234.0.0/20
    173.234.8.0/22                173.234.0.0/20
    173.234.12.0/23               173.234.0.0/20
    173.234.14.0/23               173.234.0.0/20
    185.129.122.0/24              185.129.120.0/22
    198.252.101.0/24              198.252.96.0/20
    198.252.110.0/24              198.252.96.0/20
    202.134.241.0/24              202.134.224.0/19
    206.232.52.0/23               206.232.0.0/14

Whois Entry

whois: 402332

IANA has recorded AS59253 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS59253\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS58368 - AS59391'
             
             as-block:       AS58368 - AS59391
             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:  2011-08-10T06:21:41Z
             source:         APNIC
             
             role:           APNIC Hostmaster
             address:        6 Cordelia Street
             address:        South Brisbane
             address:        QLD 4101
             country:        AU
             phone:          +61 7 3858 3100
             fax-no:         +61 7 3858 3199
             e-mail:         helpdesk@apnic.net
             admin-c:        AMS11-AP
             tech-c:         AH256-AP
             nic-hdl:        HM20-AP
             remarks:        Administrator for APNIC
             notify:         hostmaster@apnic.net
             mnt-by:         MAINT-APNIC-AP
             last-modified:  2013-10-23T04:06:51Z
             source:         APNIC
             
             % Information related to 'AS59253'
             
             % Abuse contact for 'AS59253' is 'abuse@sg.leaseweb.com'
             
             aut-num:        AS59253
             as-name:        LEASEWEB-APAC-SIN-11
             descr:          LEASEWEB SINGAPORE PTE. LTD.
             country:        SG
             org:            ORG-LAPP1-AP
             admin-c:        LSPL12-AP
             tech-c:         LSPL12-AP
             mnt-lower:      MAINT-LWS-SG
             mnt-routes:     MAINT-LWS-SG
             mnt-by:         APNIC-HM
             mnt-irt:        IRT-LWS-SG
             abuse-c:        AL1860-AP
             last-modified:  2024-08-28T07:40:34Z
             source:         APNIC
             
             irt:            IRT-LWS-SG
             address:        18B Keong Saik Road, Singapore 089125
             e-mail:         apnic@sg.leaseweb.com
             abuse-mailbox:  abuse@sg.leaseweb.com
             admin-c:        LSPL12-AP
             tech-c:         LSPL12-AP
             auth:           # Filtered
             remarks:        abuse@sg.leaseweb.com was validated on 2025-11-04
             remarks:        apnic@sg.leaseweb.com was validated on 2026-02-09
             mnt-by:         MAINT-LWS-SG
             last-modified:  2026-02-09T11:19:55Z
             source:         APNIC
             
             organisation:   ORG-LAPP1-AP
             org-name:       LEASEWEB SINGAPORE PTE. LTD.
             org-type:       LIR
             country:        SG
             address:        1 Tai Seng Avenue, Tai Seng Exchange, Tower A # 04-13
             address:        536464, Singapore
             phone:          +65-3158-7350
             e-mail:         apnic@sg.leaseweb.com
             mnt-ref:        APNIC-HM
             mnt-by:         APNIC-HM
             last-modified:  2025-08-08T12:59:06Z
             source:         APNIC
             
             role:           ABUSE LWSSG
             country:        ZZ
             address:        18B Keong Saik Road, Singapore 089125
             phone:          +000000000
             e-mail:         apnic@sg.leaseweb.com
             admin-c:        LSPL12-AP
             tech-c:         LSPL12-AP
             nic-hdl:        AL1860-AP
             remarks:        Generated from irt object IRT-LWS-SG
             remarks:        abuse@sg.leaseweb.com was validated on 2025-11-04
             remarks:        apnic@sg.leaseweb.com was validated on 2026-02-09
             abuse-mailbox:  abuse@sg.leaseweb.com
             mnt-by:         APNIC-ABUSE
             last-modified:  2026-02-09T11:20:09Z
             source:         APNIC
             
             role:           LEASEWEB SINGAPORE PTE. LTD. - Network Administrator
             address:        18B Keong Saik Road, Singapore 089125
             country:        SG
             phone:          +65 3158 7350
             e-mail:         apnic@sg.leaseweb.com
             admin-c:        LSPL12-AP
             tech-c:         LSPL12-AP
             nic-hdl:        LSPL12-AP
             mnt-by:         MAINT-LWS-SG
             last-modified:  2024-08-28T07:39:33Z
             source:         APNIC
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)