63.172.84.0/23 no ROA

Announced by AS174 Cogent Communications, LLC.

Origin

Origin AS	RPKI	Peers seeing it	Sample path	First seen	Last seen
AS174 Cogent Communications, LLC	no ROA	41	34549 174	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: 63.160.0.0/12
RIR: ARIN
Country: 🇺🇸 US
Status: allocated
Allocated: 1999-12-03

Less specific routes

Announced prefixes that contain this one

Prefix	Origin	RPKI	Peers	Sample path	First seen
63.160.0.0/12 v4	AS174 Cogent Communications, LLC	no ROA	41	34549 174	2026-09-18

More specific routes

2 announced prefixes inside this one

Prefix	Origin	RPKI	Peers	First seen
63.172.84.0/24 v4	AS174 Cogent Communications, LLC	no ROA	41	2026-09-18
63.172.85.0/24 v4	AS174 Cogent Communications, LLC	no ROA	41	2026-09-18

Recorded changes

When	Change	Origin	Path
2026-09-23 21:54:27Z	origin change	AS11280 → AS174	3333 1257 174
2026-09-23 21:54:26Z	origin change	AS174 → AS11280	132825 174 1299 11280
2026-09-23 21:54:22Z	origin change	AS11280 → AS174	49134 53356 6424 1299 174
2026-09-23 21:54:21Z	origin change	AS174 → AS11280	49134 53356 6424 1299 11280
2026-09-23 21:54:13Z	origin change	AS11280 → AS174	59919 9002 3356 174
2026-09-23 21:54:09Z	origin change	AS11280 → AS174	24482 2914 2914 174
2026-09-23 21:54:09Z	origin change	AS174 → AS11280	328840 327727 174 1299 11280
2026-09-23 21:54:08Z	origin change	AS11280 → AS174	852 3257 174
2026-09-23 21:54:08Z	origin change	AS11280 → AS174	48185 3356 174
2026-09-23 21:54:08Z	origin change	AS174 → AS11280	24482 2914 1299 11280
2026-09-23 21:54:07Z	origin change	AS174 → AS1239	17639 9304 1239
2026-09-23 21:54:06Z	origin change	AS1239 → AS174	13830 971 174
2026-09-23 21:54:06Z	origin change	AS174 → AS11280	202365 50673 174 1299 11280
2026-09-23 21:54:02Z	origin change	AS11280 → AS174	49134 53356 6424 6461 174
2026-09-23 21:54:02Z	origin change	AS174 → AS11280	49134 53356 6424 1299 11280
2026-09-23 21:53:43Z	origin change	AS174 → AS11280	29504 15935 174 1299 11280
2026-09-23 21:53:36Z	origin change	AS11280 → AS174	50300 3257 174
2026-09-23 21:53:32Z	origin change	AS174 → AS11280	61218 6939 1299 11280
2026-09-23 21:53:32Z	origin change	AS11280 → AS174	202365 50673 6830 174
2026-09-23 21:53:32Z	origin change	AS174 → AS11280	20205 1299 11280
2026-09-23 21:53:31Z	origin change	AS174 → AS11280	48185 1299 11280
2026-09-23 21:53:31Z	origin change	AS174 → AS11280	204092 20766 1299 11280
2026-09-23 21:53:30Z	origin change	AS11280 → AS174	204092 20766 29169 35280 6453 174
2026-09-23 21:53:14Z	origin change	AS11280 → AS174	34927 52025 3257 174