Data as of Nov 11, 2026

173.30.211.0/24

2 residential-proxy exits · 30 days

Mediacom Communications Corp

Announcement

173.30.208.0/21

RPKI valid

Announced by

AS30036

Type

Residential

Risk

0 / 100 · Low

Recent change

New origin Jun 2026

from AS30036 Mediacom Communications Corp, after 10 years unannounced

Residential-proxy exits

Proxy exits

0.78% of its addresses · 30 days

Always-on exits

50% of its exits

Providers

selling exits here

Oct 12, 2026 – Nov 10, 2026

Exits seen per day

5.2K observations

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Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced 173.30.208.0/21

173.30.208.0/21

Routing history

Pattern: Stable
First seen: Mar 2009
Current origin since: Jun 2026 · 5 mo
Origin networks: 2
Last change of origin: Jun 2014

Recorded history

History

Handoffs: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
173.30.208.0/21	AS19905	/21	ARIN	Another network
173.30.208.0/21	AS30036	/21	ARIN	RPKI valid
173.16.0.0/12	AS19905	/12	ARIN	Another network
173.16.0.0/12	AS30036	/12	ARIN	Too specific

IRR

Route objects on 173.30.208.0/21

Origin	Registry	Description	Maintainer	Modified
AS30036	ARIN	Mediacom Communications Corp	MNT-MCC-244	Jun 15, 2026