Data as of Nov 14, 2026

57.133.128.0/18

4 residential-proxy exits · 30 days

COLT Technology Services Group Limited

Announcement

57.133.0.0/16

RPKI valid

Announced by

AS8220

Type

Internet provider

78% of it

Residential-proxy exits

Proxy exits

0.02% of its addresses · 30 days

Spread

4 of 64

/24s with at least one exit

Providers

selling exits here

Oct 15, 2026 – Nov 13, 2026

Exits seen per day

450 observations

Business
Internet provider

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
57.133.136.0/24	0	1
57.133.141.0/24	0	1
57.133.152.0/24	0	1
57.133.153.0/24	0	1

Proxy providers listing exits

AnyIP
EnigmaProxy
FLEETPROXY
FloppyData
NovaProxy
Proxiware
ProxyEmpire
VantageProxies

Composition

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

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses

Type	Addresses	Share	Ranges
Internet provider	12,775	78%	76
Business	3,601	22%	207
Residential	8	0.05%	1

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