Data as of Nov 13, 2026

103.231.37.0/24

Anonymizer · ISP proxy

Westeros Communications (THAILAND) CO., LTD. · reallocated from Perfect Seven Web Development Services

Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
reallocated to Westeros Communications (THAILAND) CO., LTD.
2 · Leased from
3 · Announced by
AS215748 Westeros Communications (THAILAND) CO., LTD.
since Mar 2026 · 8 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 103.231.37.0/24/24s
ARISK
256100%
1
Leased from

Owners leasing their own space

NameIn 103.231.37.0/24/24s
Perfect Seven Web Development Services
256100%
1

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

103.231.37.0/24

From the registry to its use

  1. Oct 4, 2018– Feb 11, 2026
    Announced
    AS9311 Hitron Technology Inc.
    Hosting
  2. Mar 8, 2026– today
    Announced
    AS215748 Westeros Communications (THAILAND) CO., LTD.
    Hosting
  3. today
    Registry record
    Perfect Seven Web Development Services
    ALLOCATED PORTABLE
    103.231.36.0/22
  4. today
    Reallocated
    Westeros Communications (THAILAND) CO., LTD.
    ALLOCATED NON-PORTABLE
    103.231.37.0/24
  5. today
    Route object
    AS215748 Westeros Communications (THAILAND) CO., LTD.
    APNIC route object for AS215748 Westeros Communications (THAILAND) CO., LTD., maintainer MAINT-PSWDS-PH
  6. today
    Route object
    AS401783 Tokala Communications Inc.
    APNIC route object for AS401783 Tokala Communications Inc., maintainer MAINT-PSWDS-PH
  7. today
    Leased from
    ARISK
    IP broker

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
103.231.36.0/221,024PSWDS-PHPerfect Seven Web Development Services (ORG-PSWD1-AP) · PHALLOCATED PORTABLE—abuse@perfect-7.info
└ 103.231.37.0/24256Westeros-CommunicationsWesteros Communications (THAILAND) CO., LTD.ALLOCATED NON-PORTABLE—support@ariskisp.com

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Oct 2018
Current origin since
Mar 2026 · 8 mo
Origin networks
2
Last change of origin
Mar 2026
Recorded history

History

Handoffs
1