Home Prefix Lookup170.137.224.0/24

170.137.224.0/24 - Cboe (AS4867)

IPv4ARINannouncedAS4867CBOE - Cboe RPKI Valid

CIDR

170.137.224.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Chicago (West Loop)

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
170.137.224.0/24	AS4867 CBOE - Cboe	Valid	ARIN	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
170.137.224.0/24	AS202	/24	arin
170.137.224.0/24	AS203	/24	arin
170.137.224.0/24	AS3356	/24	arin
170.137.224.0/24	AS4867	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS203	ARIN	MNT-CBL-172	2026-09-26
AS202	ARIN	MNT-CBL-172	2026-09-26
AS3356	ARIN	MNT-CBL-172	2026-09-26
AS4867	ARIN	MNT-CBL-172	2026-07-23

Transfer History

Registry transfers of 170.137.224.0/24, blocks inside it, or blocks containing it.

170.137.0.0/16M&A · 2023-12-01
Chicago Board Options Exchange
🇺🇸 US ARIN
→
Cboe
🇺🇸 US ARIN

Date	Resource	From	To	Type
2023-12-01	170.137.0.0/16	Chicago Board Options Exchange 🇺🇸 US ARIN	Cboe 🇺🇸 US ARIN	M&A

Origin ASN

AS4867

CBOE - Cboe

Related Prefixes

More prefixes of AS4867

All prefixes of AS4867 →

Geolocation

Country🇺🇸United StatesUS

RegionIllinois

CityChicago (West Loop)

Coordinates41.8766, -87.6385 ↗

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/170.137.224.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/170.137.224.0/24" | jq

External Links

RIPEstat