204.215.64.0/19

Currently announced by AS22773 Cox Communications, in the routed prefix 204.215.64.0/18.

Current ASN
AS22773
Cox Communications
Routed prefix
204.215.64.0/18
Most specific route covering this prefix
ASNs over time
3
3 announcement records
RIR allocation
ARIN
United States · 204.212.0.0/14

Routing data · Nov 8, 2026, 10:26 UTC

ASN historyEvery routed prefix covering 204.215.64.0/19

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
204.215.64.0/19AS20001Charter Communications (20001)United StatesBefore monitoring2026-11-03 00:25Stopped
204.215.64.0/18AS22773Cox CommunicationsUnited StatesBefore monitoring2026-11-08 10:26Announcing
204.212.0.0/14AS174Cogent Communications, Inc.United StatesBefore monitoring2026-11-08 10:26Announcing

More specific routes3 total

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
204.215.64.0/20AS11404Wave Division HoldingsUnited StatesBefore monitoring2026-11-03 08:23Stopped
204.215.64.0/24AS22773Cox CommunicationsUnited StatesBefore monitoring2026-11-03 08:23Stopped
204.215.80.0/20AS11404Wave Division HoldingsUnited StatesBefore monitoring2026-11-03 04:47Stopped

Change logAll changes

Detected (UTC)PrefixChangeASNNamePrevious ASNCountry
2026-11-03 02:26204.215.64.0/19WithdrawalAS20001Charter Communications (20001)—United States