206208 looking glass

154.21.0.0/16 no ROA

Announced by AS174 Cogent Communications, LLC.

Origin

Origin ASRPKI Peers seeing itSample path First seenLast seen
AS174 Cogent Communications, LLC no ROA 41 34549174 2026-09-18 2026-09-21

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
154.21.0.0/16
RIR
ARIN
Country
🇺🇸 US
Status
allocated
Allocated
1992-02-05

Less specific routes

Announced prefixes that contain this one

Nothing less specific is announced.

More specific routes

106 announced prefixes inside this one

Prefix Origin RPKI Peers First seen
154.21.8.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.10.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.13.0/24 v4 AS400211 Port 80 no ROA 47 2026-09-18
154.21.14.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.15.0/24 v4 AS272935 GB TELECORP DOMINICANA, S.R.L RPKI valid 41 2026-09-18
154.21.16.0/22 v4 AS5650 Verizon (fka. Frontier) no ROA 41 2026-09-18
154.21.20.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.22.0/23 v4 AS149487 MOC COMPANY LIMITED RPKI valid 42 2026-09-18
154.21.22.0/24 v4 AS149487 MOC COMPANY LIMITED RPKI valid 42 2026-09-18
154.21.23.0/24 v4 AS149487 MOC COMPANY LIMITED RPKI valid 42 2026-09-18
154.21.24.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.26.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.31.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.32.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.33.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.34.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.35.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.36.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.38.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.40.0/24 v4 AS150044 Mieux Technologies Pvt Ltd RPKI valid 42 2026-09-18
154.21.41.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.56.0/24 v4 AS55066 eStruxture Data Centers Inc. no ROA 41 2026-09-18
154.21.57.0/24 v4 AS55066 eStruxture Data Centers Inc. no ROA 41 2026-09-18
154.21.60.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.62.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.64.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.68.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.69.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.70.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.80.0/20 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.80.0/20 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.80.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.80.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.81.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.81.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.82.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.82.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.83.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.83.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.84.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.84.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.85.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.85.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.86.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.86.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.87.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.87.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.88.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.88.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.89.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.89.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.90.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.90.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.91.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.91.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.92.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.92.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.93.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.93.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.94.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.94.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.95.0/24 v4 AS906 DMIT Cloud Services no ROA 44 2026-09-18
154.21.95.0/24 v4 AS8126 Cloud Fabric, Inc. no ROA 1 2026-09-18
154.21.96.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.98.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.105.0/24 v4 AS138890 PT Acehlink Media RPKI valid 2 2026-09-18
154.21.106.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.107.0/24 v4 AS399275 Solid Systems LLC no ROA 47 2026-09-18
154.21.110.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.112.0/24 v4 AS152491 RACKMONK DATACENTERS PRIVATE LIMITED RPKI valid 43 2026-09-18
154.21.113.0/24 v4 AS152491 RACKMONK DATACENTERS PRIVATE LIMITED RPKI valid 43 2026-09-18
154.21.118.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.119.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.124.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.126.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.128.0/22 v4 AS396026 Deasil Networks no ROA 41 2026-09-18
154.21.132.0/22 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.136.0/22 v4 AS396026 Deasil Networks no ROA 41 2026-09-18
154.21.148.0/22 v4 AS396026 Deasil Networks no ROA 41 2026-09-18
154.21.154.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.157.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.158.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.160.0/22 v4 AS133527 HuaBo Technology International Limited RPKI valid 41 2026-09-18
154.21.168.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.172.0/22 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.192.0/21 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.194.0/24 v4 AS979 NetLab Global no ROA 42 2026-09-18
154.21.195.0/24 v4 AS979 NetLab Global no ROA 42 2026-09-18
154.21.196.0/22 v4 AS979 NetLab Global no ROA 42 2026-09-18
154.21.200.0/22 v4 AS979 NetLab Global no ROA 40 2026-09-18
154.21.200.0/24 v4 AS979 NetLab Global no ROA 29 2026-09-18
154.21.201.0/24 v4 AS979 NetLab Global no ROA 29 2026-09-18
154.21.202.0/24 v4 AS979 NetLab Global no ROA 29 2026-09-18
154.21.203.0/24 v4 AS979 NetLab Global no ROA 29 2026-09-18
154.21.204.0/22 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.208.0/23 v4 AS397797 City of Marshall RPKI valid 40 2026-09-18
154.21.210.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.212.0/23 v4 AS46475 Limestone Networks, Inc. no ROA 47 2026-09-18
154.21.214.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.218.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.224.0/21 v4 AS396026 Deasil Networks no ROA 41 2026-09-18
154.21.232.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.234.0/23 v4 AS154871 Comprint Tech-Solutions (I) PRIVATE LIMITED RPKI valid 43 2026-09-18
154.21.236.0/23 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.238.0/24 v4 AS174 Cogent Communications, LLC no ROA 41 2026-09-18
154.21.239.0/24 v4 AS399275 Solid Systems LLC no ROA 47 2026-09-18