NetKnife

72.20.137.0/24

path type: best · origin AS394437

RPKI Valid
Origin AS394437 · checked 9/25/2026, 1:50:25 PM
  • 72.20.137.0/24 (max length /24, origin AS394437)
live

AS Path

AS394437PS Lightwave
AS2914NTT Communications
AS61568FSF Tecnologia
AS28624Oops Telecom

Communities

Review pending submissions →

other

2914:410Marks route as an NTT-and-customer route

unknown

2914:1004meaning unknown
61568:1105meaning unknown
61568:65501meaning unknown
28624:61568meaning unknown

geographic

2914:2000Route origin country: United States (us)
2914:3000Route origin region: North America
vantage point: rrc15.ripe.net (via 187.16.216.103)observed IRR: match (ARIN)

Vantage Points

12 of 13 feeds see a different AS path than the rest — highlighted below.

rrc15.ripe.net (via 187.16.216.103)
AS394437AS2914AS61568AS28624
peer AS286247 communitiesobserved
rrc25.ripe.net (via 176.119.210.1)
differs
AS394437AS174AS56457length differs
peer AS564575 communitiesobserved
rrc04.ripe.net (via 192.65.185.141)
differs
AS394437AS174AS6830AS6730
peer AS67306 communitiesobserved
rrc25.ripe.net (via 195.69.189.4)
differs
AS394437AS174AS28910length differs
peer AS289100 communitiesobserved
rrc00.ripe.net (via 154.11.12.212)
differs
AS394437AS3257AS852length differs
peer AS8520 communitiesobserved
rrc15.ripe.net (via 187.16.216.209)
differs
AS394437AS3257AS4230AS28634
peer AS286342 communitiesobserved
rrc00.ripe.net (via 102.208.105.2)
differs
AS394437AS174AS327727AS328840
peer AS3288401 communityobserved
rrc25.ripe.net (via 102.220.16.1)
differs
AS394437AS174AS60171AS328840
peer AS3288404 communitiesobserved
rrc24.ripe.net (via 5.188.4.211)
differs
AS394437AS174AS38008AS38008AS46997length differs
peer AS469975 communitiesobserved
rrc25.ripe.net (via 140.110.111.12)
differs
AS394437AS174AS138997AS38254
peer AS382540 communitiesobserved
rrc24.ripe.net (via 190.112.55.254)
differs
AS394437AS174AS6057AS264845
peer AS2648450 communitiesobserved
rrc24.ripe.net (via 200.40.162.202)
differs
AS394437AS174AS6057length differs
peer AS60570 communitiesobserved
rrc25.ripe.net (via 23.159.16.22)
differs
AS394437AS174AS835length differs
peer AS8353 communitiesobserved

Topology

Origin ASNTransitTier 1
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AS Path History

Every distinct AS-path era observed for this prefix, and an on-demand snapshot of what it looked like at a specific time.

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