Data as of Nov 12, 2026

103.4.100.0/24

Anonymizer · ISP proxy

Extreme Communications Technology Limited · space held by PT. Imtel Sinergi Utama

Announcement

103.4.100.0/23

RPKI valid

Announced by

AS202036

Type

ISP proxy

Risk

90 / 100 · Critical

Recently moved

Recent change

New origin Aug 2026

from AS138823 PT. Trimitra Usaha Sejahtera

IPv4 market

Path

Announced by AS202036 since Aug 2026 · 12 wk ago

1 · Holder

PT. Imtel Sinergi Utama

2 · Leased from

ARISK

for its owner PT. Imtel Sinergi Utama

3 · Announced by

AS202036 Extreme Communications Technology Limited

since Aug 2026 · 12 wk ago

4 · Use

ISP proxy

anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

Name	In 103.4.100.0/24	/24s
ARISK	256100%	1

Leased from

Owners leasing their own space

Name	In 103.4.100.0/24	/24s
PT. Imtel Sinergi Utama	256100%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced 103.4.100.0/23

103.4.100.0/23

Routing history

Pattern: Rotating
First seen: Sep 2022
Current origin since: Aug 2026 · 3 mo
Origin networks: 3
Last change of origin: Aug 2026

Recorded history

History

Handoffs: 2

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
103.4.100.0/23	AS202036	/24	APNIC	RPKI valid

IRR

Route objects on 103.4.100.0/23

Origin	Registry	Description	Maintainer	Modified
AS202036	APNIC	PT. IMTEL SINERGI UTAMA	MAINT-PISU-ID	Aug 18, 2026