Data as of Nov 12, 2026

121.50.52.0/22

4 residential-proxy exits · 30 days

IX-layers, Inc. · space held by Foresightwave INC.

Announcement

121.50.48.0/21

RPKI valid

Announced by

AS151374

Type

Residential

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

0.39% of its addresses · 30 days

Spread

2 of 4

/24s with at least one exit

Providers

selling exits here

Oct 13, 2026 – Nov 11, 2026

Exits seen per day

9 observations

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
121.50.53.0/24	0	2
121.50.54.0/24	0	2

Proxy providers listing exits

AnyIP
BottingTools
IPFly
PuraRoute

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced 121.50.48.0/21

121.50.48.0/21

Routing history

Pattern: Reactivated
First seen: Nov 2006
Current origin since: Feb 2024 · 2.8 yr
Origin networks: 3
Last change of origin: Feb 2024

Recorded history

History

Handoffs: 2

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
121.50.48.0/21	AS151374	/24	APNIC	RPKI valid

IRR

Route objects on 121.50.48.0/21

Origin	Registry	Description	Maintainer	Modified
AS151374	APNIC	Foresightwave INC.	MAINT-JP-FSW	Dec 10, 2023