205.251.0.0/17 no ROA

Announced by AS29838 Atlantic Metro Communications II, Inc.

Origin

Origin ASRPKI Peers seeing itSample path First seenLast seen
AS29838 Atlantic Metro Communications II, Inc. no ROA 42 3454929838 2026-09-18 2026-10-02

RPKI

No ROA covers this prefix

No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.

Registry

Who this address space is delegated to, regardless of whether it is routed

Delegated block
205.251.0.0/17
RIR
ARIN
Country
🇺🇸 US
Status
allocated
Allocated
2009-08-11

Less specific routes

Announced prefixes that contain this one

Nothing less specific is announced.

More specific routes

23 announced prefixes inside this one

Prefix Origin RPKI Peers First seen
205.251.0.0/20 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.0.0/21 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.8.0/23 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.12.0/22 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.14.0/23 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.16.0/21 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.18.0/24 v4 AS399232 Seton Home Study School no ROA 41 2026-09-18
205.251.24.0/21 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.32.0/19 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.32.0/20 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.64.0/20 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.66.0/23 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.69.0/24 v4 AS29934 Netadyne Networks, Inc. no ROA 41 2026-09-18
205.251.80.0/20 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.88.0/21 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.100.0/22 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.108.0/22 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.112.0/21 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.114.0/23 v4 AS29934 Netadyne Networks, Inc. no ROA 41 2026-09-18
205.251.120.0/21 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.120.0/24 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.121.0/24 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18
205.251.124.0/24 v4 AS29838 Atlantic Metro Communications II, Inc. no ROA 42 2026-09-18