NetKnife

NetKnife-PFX-37-123-120-0-21

37.123.120.0/21

Status: [RPKI Valid]

Origin: AS197637 (best)

Source: [live]

Vantage point: rrc20.ripe.net (via 91.206.52.103)

Observed:

1.Path
AS197637ropa GmbH
AS33891Core-Backbone
AS196621FreeStone Systems
2.Communities
Review pending submissions →
Value
Meaning
Category
Confidence
33891:33892
meaning unknown
unknown
—
33891:40052
meaning unknown
unknown
—
3.RPKI Validation

Origin AS197637, checked against RPKI .

  • > 37.123.120.0/21 (max length /21, origin AS197637)

IRR: mismatch — registered origin differs, not authoritative

4.Topology
Origin ASNTransitTier 1
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5.Vantage points

9 of 10 feeds see a different AS path than the rest — highlighted below.

Vantage point
AS path
Peer
Communities
Observed
rrc20.ripe.net (via 91.206.52.103)
AS197637AS33891AS196621
AS196621
2
rrc10.ripe.net (via 217.29.66.120)
AS197637AS33891AS6461AS15605length differs
AS15605
3
rrc10.ripe.net (via 217.29.67.54)
AS197637AS8220AS20912
AS20912
0
rrc15.ripe.net (via 187.16.216.103)
AS197637AS33891AS3356AS28624length differs
AS28624
10
rrc15.ripe.net (via 187.16.216.209)
AS197637AS33891AS4230AS28634length differs
AS28634
6
rrc15.ripe.net (via 187.16.217.122)
AS197637AS4230AS35280
AS35280
9
rrc25.ripe.net (via 14.1.54.38)
AS197637AS33891AS3356AS174AS61138length differs
AS61138
5
rrc25.ripe.net (via 154.18.4.110)
AS197637AS8220AS3491AS134823length differs
AS134823
11
rrc00.ripe.net (via 154.11.12.212)
AS197637AS8220AS852
AS852
0
rrc25.ripe.net (via 102.220.17.28)
AS197637AS8220AS6453AS37282AS328840length differs
AS328840
1
6.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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