NetKnife

NetKnife-PFX-81-172-72-0-21

81.172.72.0/21

Status: [RPKI Valid]

Origin: AS210423 (best)

Source: [live]

Vantage point: rrc15.ripe.net (via 187.16.217.122)

Observed:

1.Path
AS210423ATUAXANELA, S.L.
AS29119Aire Networks del Mediterraneo
AS2914NTT Communications
AS35280F5 Inc.
2.Communities
Review pending submissions →
Value
Meaning
Category
Confidence
2914:410
Marks route as an NTT-and-customer route
other
—
2914:1204
meaning unknown
unknown
—
2914:2205
Route origin country: Spain (es)
geographic
—
2914:3200
Route origin region: Europe
geographic
—
29119:530
meaning unknown
unknown
—
29119:1078
meaning unknown
unknown
—
29119:7780
meaning unknown
unknown
—
29119:29119
meaning unknown
unknown
—
35280:10
meaning unknown
unknown
—
35280:1020
meaning unknown
unknown
—
35280:2040
meaning unknown
unknown
—
35280:3040
meaning unknown
unknown
—
35280:4110
meaning unknown
unknown
—
35280:10000
meaning unknown
unknown
—
35280:10030
meaning unknown
unknown
—
3.RPKI Validation

Origin AS210423, checked against RPKI .

  • > 81.172.72.0/21 (max length /21, origin AS210423)

IRR: mismatch — registered origin differs, not authoritative

4.Topology
Origin ASNTransitTier 1
Loading topology…
5.Vantage points

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

Vantage point
AS path
Peer
Communities
Observed
rrc15.ripe.net (via 187.16.217.122)
AS210423AS29119AS2914AS35280
AS35280
15
rrc00.ripe.net (via 154.11.12.212)
AS210423AS29119AS2914AS852
AS852
0
rrc20.ripe.net (via 91.206.52.103)
AS210423AS29119AS9002AS8758AS196621length differs
AS196621
4
rrc00.ripe.net (via 102.208.105.2)
AS210423AS29119AS174AS327727AS328840length differs
AS328840
1
rrc10.ripe.net (via 217.29.67.54)
AS210423AS29119AS9002AS20912
AS20912
0
rrc21.ripe.net (via 37.49.236.249)
AS210423AS29119AS49434length differs
AS49434
19
rrc01.ripe.net (via 195.66.225.212)
AS210423AS29119AS6424length differs
AS6424
8
rrc26.ripe.net (via 185.1.8.3)
AS210423AS29119AS1299AS48237
AS48237
0
rrc22.ripe.net (via 86.104.125.59)
AS210423AS29119AS6663AS56430
AS56430
6
rrc19.ripe.net (via 196.60.8.139)
AS210423AS29119AS3356AS3741AS32653length differs
AS32653
21
rrc24.ripe.net (via 5.188.4.211)
AS210423AS29119AS174AS38008AS38008AS46997length differs
AS46997
5
rrc25.ripe.net (via 140.110.111.12)
AS210423AS29119AS174AS138997AS38254length differs
AS38254
0
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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