Data as of Nov 13, 2026

199.100.0.0/16

2 residential-proxy exits · 30 days

Cogent Communications, LLC

Announcement

this exact prefix

No RPKI

Announced by

AS174

Type

Internet provider

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

<0.01% of its addresses · 30 days

Spread

2 of 256

/24s with at least one exit

Providers

selling exits here

Oct 14, 2026 – Nov 12, 2026

Exits seen per day

6 observations

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
199.100.0.0/24	0	1
199.100.16.0/24	0	1

Proxy providers listing exits

ByteProxies
FloppyData
Geonix
GonzoProxy
Infatica
MangoProxy
NodeProxy
Proxy-Seller
ProxyEmpire
ProxyGeo
RainProxy
Shifter
VitalExclusive

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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
199.97.0.0 - 199.100.255.255	262,144	COGENT-199-97-98-99-100-16	Cogent Communications, LLC (COGC) · US	Direct Allocation	Dec 30, 1993	abuse@cogentco.com
└ 199.100.3.40/29	8	NET-199-100-3-40-1	unknown	—	—	—
└ 199.100.8.8/29	8	NET-199-100-8-8-1	unknown	—	—	—

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern: Stable
First seen: May 2005
Current origin since: May 2005 · 22 yr
Origin networks: 1

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS174	RADB	Cogent	MAINT-AS174	Nov 13, 2023

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
199.100.132.0/24	AS27592	RADB	AS27592 proxy-registered route by Cogent	MAINT-AS174	Nov 13, 2023