Data as of Nov 12, 2026

149.51.121.0/24

Anonymizer · ISP proxy

Ether Web Network, Inc. · space held by Cogent Communications, LLC

Announcement

149.51.120.0/22

No RPKI

Announced by

AS63450

Type

ISP proxy

Risk

90 / 100 · Critical

Recently moved

Recent change

New origin Sep 28, 2026

from AS55201 SkyQuantum Internet Service

IPv4 market

Path

Announced by AS63450 since Sep 28, 2026 · 6 wk ago

1 · Holder

Cogent Communications, LLC

record created Jan 28, 1992 · reallocated to Wisdom Cloud Internet Technology Pte. Ltd Dec 29, 2025

2 · Leased from

Cogent Communications, LLC

its owner, directly

3 · Announced by

AS63450 Ether Web Network, Inc.

since Sep 28, 2026 · 6 wk ago

4 · Use

ISP proxy

anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

Name	In 149.51.121.0/24	/24s
Cogent Communications, LLC	256100%	1

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Leased from	Proxy exits	RPKI
149.50.0.0/15 since Sep 2006	AS174	Internet provider	IP broker Rackdog (part)	3,295 876 always on

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
149.51.0.0/16	65,536	COGENT-149-51-16	Cogent Communications, LLC (COGC) · US	Direct Allocation	Jan 28, 1992	abuse@cogentco.com
└ 149.51.64.0/18	16,384	WISDOM-CLOUD-CGNT-NET-12	Wisdom Cloud Internet Technology Pte. Ltd (WCITPL) · SG	Reallocated	Dec 29, 2025	abuse@wisdomisp.com

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

149.51.120.0/22

Routing history

Pattern: Rotating
First seen: Sep 28, 2026
Current origin since: Sep 28, 2026 · 1 mo
Origin networks: 2
Last change of origin: Sep 28, 2026

Recorded history

History

Handoffs: 1