206208 looking glass

18.3.0.0/16 no ROA

Announced by AS3 Massachusetts Institute of Technology.

Origin

Origin ASRPKI Peers seeing itSample path First seenLast seen
AS3 Massachusetts Institute of Technology no ROA 43 345491743 2026-09-18 2026-09-22

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
18.0.0.0/11
RIR
ARIN
Country
🇺🇸 US
Status
allocated
Allocated
1994-01-01

Less specific routes

Announced prefixes that contain this one

Nothing less specific is announced.

More specific routes

41 announced prefixes inside this one

Prefix Origin RPKI Peers First seen
18.3.1.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.2.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.3.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.4.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.5.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.6.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.7.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.8.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.9.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.10.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.11.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.12.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.13.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.14.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.15.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.16.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.17.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.18.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.19.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.20.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.21.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.22.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.23.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.28.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.67.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.69.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.90.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.103.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.104.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.105.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.106.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.108.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.109.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.111.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.116.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.122.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.151.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.152.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.153.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.154.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18
18.3.155.0/24 v4 AS3 Massachusetts Institute of Technology no ROA 42 2026-09-18