Home Prefix Lookup209.200.238.0/24

209.200.238.0/24 - BGP Prefix (MOAS)

IPv4ARINannouncedMOAS RPKI Valid

CIDR

209.200.238.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Chicago

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

2 of 2 routes

MOAS - 2 origin ASNs

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
209.200.238.0/24	AS18450 WEBNX - WebNX, Inc.	Valid	ARINOther IRR	2026-10-11
209.200.238.0/24	AS21859 ZEN-ECN - Zenlayer Inc	Invalid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
209.200.238.0/24	AS18450	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS18450	ARIN	MNT-DCL-577	2026-04-23
AS18450	Other IRR	MAINT-AS834	2026-04-23

Transfer History

Registry transfers of 209.200.238.0/24, blocks inside it, or blocks containing it.

209.200.224.0/19M&A · 2021-01-15
ADD2NET, Inc.
🇺🇸 US ARIN
→
HostPapa
🇨🇦 CA ARIN

Date	Resource	From	To	Type
2021-01-15	209.200.224.0/19	ADD2NET, Inc. 🇺🇸 US ARIN	HostPapa 🇨🇦 CA ARIN	M&A

Origin ASNs (2)

AS18450MOAS

WEBNX - WebNX, Inc.

AS21859MOAS

ZEN-ECN - Zenlayer Inc

Geolocation

Country🇺🇸United StatesUS

RegionIllinois

CityChicago

Coordinates41.8781, -87.6298 ↗

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/209.200.238.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/209.200.238.0/24" | jq

External Links

RIPEstat