Home Prefix Lookup173.28.168.0/21

173.28.168.0/21 - Mediacom Communications (AS30036)

IPv4ARINannouncedAS30036MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp RPKI Valid

CIDR

173.28.168.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

Decatur

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
173.28.168.0/21	AS30036 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp	Valid	ARIN	2026-10-14

More-Specific Announcements

2 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
173.28.168.0/23	AS30036 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp	Valid	-	2026-10-14
173.28.171.0/24	AS30036 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp	Valid	-	2026-10-14

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
173.28.168.0/21	AS19905	/21	arin
173.28.168.0/21	AS30036	/21	arin
173.16.0.0/12	AS19905	/12	arin
173.16.0.0/12	AS30036	/12	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS30036	ARIN	MNT-MCC-244	2026-09-09

Origin ASN

AS30036

MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp

Related Prefixes

More prefixes of AS30036

All prefixes of AS30036 →

Geolocation

Country🇺🇸United StatesUS

RegionIllinois

CityDecatur

Coordinates39.8403, -88.9548 ↗

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/173.28.168.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/173.28.168.0/21" | jq

External Links

RIPEstat