Home Prefix Lookup164.157.252.0/24

164.157.252.0/24 - ZSCALER (AS22616)

IPv4ARINannouncedAS22616ZSCALER-SJC1 - ZSCALER, INC. RPKI Valid

CIDR

164.157.252.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Reston

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
164.157.252.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	ARIN	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
164.157.252.0/24	AS22616	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS22616	ARIN	MNT-CPOINMS	2026-07-07

Transfer History

Registry transfers of 164.157.252.0/24, blocks inside it, or blocks containing it.

164.157.0.0/16M&A · 2023-08-14
Commonwealth of PA - DPW
🇺🇸 US ARIN
→
Commonwealth of PA - OA / Integrated Network Management Services
🇺🇸 US ARIN

Date	Resource	From	To	Type
2023-08-14	164.157.0.0/16	Commonwealth of PA - DPW 🇺🇸 US ARIN	Commonwealth of PA - OA / Integrated Network Management Services 🇺🇸 US ARIN	M&A

Origin ASN

AS22616

ZSCALER-SJC1 - ZSCALER, INC.

Related Prefixes

More prefixes of AS22616

All prefixes of AS22616 →

Geolocation

Country🇺🇸United StatesUS

CityReston

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/164.157.252.0/24

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/164.157.252.0/24" | jq

External Links

RIPEstat