66.17.128.0/17

Currently announced by AS3257 GTT Communications (AS3257), in the routed prefix 66.17.128.0/17.

Current ASN
AS3257
GTT Communications (AS3257)
Routed prefix
66.17.128.0/17
Most specific route covering this prefix
ASNs over time
1
1 announcement record
RIR allocation
ARIN
United States · 66.17.128.0/17

Routing data · Nov 8, 2026, 10:26 UTC

ASN historyEvery routed prefix covering 66.17.128.0/17

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
66.17.128.0/17AS3257GTT Communications (AS3257)United StatesBefore monitoring2026-11-08 10:26Announcing

More specific routes30 total

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
66.17.128.0/24AS32256CYBERLINK USAUnited StatesBefore monitoring2026-11-08 10:26Announcing
66.17.129.0/24AS20001Charter Communications (20001)United StatesBefore monitoring2026-11-08 10:26Announcing
66.17.130.0/23AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.132.0/22AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.136.0/22AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.140.0/24AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.141.0/24AS23029E StreetUnited StatesBefore monitoring2026-11-08 10:26Announcing
66.17.142.0/24AS17352Application XUnited StatesBefore monitoring2026-11-08 10:26Announcing
66.17.143.0/24AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.143.0/24AS401322NetO CorpUnited StatesBefore monitoring2026-11-08 10:26Announcing
66.17.148.0/22AS265627NIDIX NETWORKS S.A. DE C.V.Mexico2026-11-02 22:262026-11-08 10:26Announcing
66.17.148.0/24AS265627NIDIX NETWORKS S.A. DE C.V.Mexico2026-11-02 22:262026-11-08 10:26Announcing
66.17.156.0/24AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.158.0/23AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.172.0/23AS20001Charter Communications (20001)United StatesBefore monitoring2026-11-08 10:26Announcing
66.17.174.0/23AS20001Charter Communications (20001)United StatesBefore monitoring2026-11-08 10:26Announcing
66.17.184.0/24AS20001Charter Communications (20001)United StatesBefore monitoring2026-11-08 10:26Announcing
66.17.185.0/24AS15238Bill & Melinda Gates FoundationUnited StatesBefore monitoring2026-11-08 10:26Announcing
66.17.192.0/23AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.200.0/22AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.204.0/22AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.213.0/24AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.214.0/23AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.220.0/24AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.221.0/24AS15238Bill & Melinda Gates FoundationUnited StatesBefore monitoring2026-11-08 10:26Announcing
66.17.222.0/23AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.228.0/22AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.236.0/22AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.254.0/24AS199527BITE-LT-ASLithuaniaBefore monitoring2026-11-08 10:26Announcing
66.17.255.0/24AS32256CYBERLINK USAUnited StatesBefore monitoring2026-11-08 10:26Announcing

Change logAll changes

The routes covering this address have had no origin changes since ASNBase started monitoring.