Data as of Nov 14, 2026

57.133.99.0/24

1 residential-proxy exit · 30 days

COLT Technology Services Group Limited

Announcement

57.133.0.0/16

RPKI valid

Announced by

AS8220

Type

Internet provider

56% of it

Residential-proxy exits

Proxy exits

0.39% of its addresses · 30 days

Providers

selling exits here

Oct 15, 2026 – Nov 13, 2026

Exits seen per day

20 observations

Proxy providers listing exits

ASHBURNPROXIES
BestProxy
CROXY
NSocks
RainProxy
Shifter
Smartproxy

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

256 addresses

Type	Addresses	Share	Ranges
Internet provider	144	56%	2
Business	112	44%	11

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced 57.133.0.0/16

57.133.0.0/16

Routing history

Pattern: Stable
First seen: Feb 2022
Current origin since: Feb 2022 · 4.8 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
57.133.0.0/16	AS8220	/16	RIPE	RPKI valid

IRR

Route objects on 57.133.0.0/16

Origin	Registry	Description	Maintainer	Modified
AS8220	RIPE	COLT Technology Services	COLT-MNT	Feb 15, 2022