AS59429 - POLOTEC Polo NavacchioPARFC 4890 ✓RPKI -ASPA -

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AS overview

Test target: 2a13:71c0::1 · (no live host found) · address space: PA · prefixes announced: 1

prefix(es): 2a13:71c0::/29

RPKI & ASPA

0 of 1 prefix(es) covered by a valid ROA, 1 not-found.

PrefixRPKI stateReasonCovering VRP(s)
2a13:71c0::/29- not-foundno covering VRP

Random-IP probe (yarrp) into the AS' prefixes

At least one router inside AS59429's announced prefix replied during the random-target probe. Hop(s): 2a13:71c0:ffff::1. These are candidate targets for direct testing.

ICMPv6 Type 2 (Packet Too Big) acceptance - active test

Type 2 honored. Forged ICMPv6 PTB (MTU=1280) was accepted by the destination's stack: the next 1500-byte Echo Reply arrived split into 2 fragments via the IPv6 Fragment Header.
method: ICMPv6 Echo + forged PTB, tested 2026-05-25T12:38:45Z

From NL host (go6lab)   no ipv6 implementationRFC 4890 ✓

filter likely at: no host (announced, no deployment) · min PMTU on path: 1500

4/4
Echo small (56B) 32.5ms
4/4
Echo 1500B (DF) 32.5ms
yes
Type 1 dest-unreach
-
TCP responds on

Path (traceroute + mtr + PTR)

#IP / PTRRTTmtr lossASAS holder
12a00:8642:42::31.2ms0%AS203993STEFFANN-DC-AS - S.J.M. Steffann, NL
2gw.friends.steffann.nl
2a00:8642:1000:f000::1
2.2ms0%*AS203993STEFFANN-DC-AS - S.J.M. Steffann, NL
32a00:1ca8:1::1942.2ms0%AS50673Serverius-as - Serverius Holding B.V., NL
42a03:3f40::10:336.6ms0%AS50673Serverius-as - Serverius Holding B.V., NL
52001:7f8:1::a501:2874:121.2ms0%-NA
62001:b00:1:1:3::13921.6ms0%AS12874FASTWEB - Fastweb SpA, IT
72001:b00:ffff:fc26::ebc9:234.6ms0%AS12874FASTWEB - Fastweb SpA, IT
82001:b00:ffff:fc26:93:61:53:4833.4ms90%AS12874FASTWEB - Fastweb SpA, IT
92a13:71c0::134.0ms0%AS59429POLOTEC - Polo Navacchio S.p.A., IT

Rate-limited ICMPv6: hop 8 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).

tracepath -6

 1?: [LOCALHOST]                        0.034ms pmtu 1500
 1:  2a00:8642:42::3                                       1.597ms 
 1:  2a00:8642:42::3                                       1.569ms 
 2:  gw.friends.steffann.nl                                2.696ms 
 3:  2a00:1ca8:1::194                                      3.175ms 
 4:  2a03:3f40::10:33                                      5.682ms 
 5:  no reply
 6:  2001:b00:1:1:3::139                                  21.754ms 
 7:  2001:b00:ffff:fc26::ebc9:2                           36.182ms asymm 10 
 8:  2001:b00:ffff:fc26:93:61:53:48                       33.201ms asymm  9 
 9:  2a13:71c0::1                                         33.724ms reached
     Resume: pmtu 1500 hops 9 back 10 

From ITA host (Karsolink)   no ipv6 implementationRFC 4890 ✓

filter likely at: no host (announced, no deployment) · min PMTU on path: 1500

4/4
Echo small (56B) 25.6ms
4/4
Echo 1500B (DF) 25.7ms
yes
Type 1 dest-unreach
443,80
TCP responds on

Path (traceroute + mtr + PTR)

#IP / PTRRTTmtr lossASAS holder
1*-0%*-
2*-0%*-
32a12:d8c0:101f:6::110.0ms60%AS204471KARSOLINK - 2S Computers SRL, IT
4*-60%-
52001:b00:1:1:1::1a79.8ms0%AS12874FASTWEB - Fastweb SpA, IT
62001:b00:ffff:fc26::ebc9:229.2ms0%AS12874FASTWEB - Fastweb SpA, IT
72001:b00:ffff:fc26:93:61:53:4826.2ms80%AS12874FASTWEB - Fastweb SpA, IT
82a13:71c0::121.8ms0%AS59429POLOTEC - Polo Navacchio S.p.A., IT

Rate-limited ICMPv6: hop 3, hop 4, hop 7 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).

tracepath -6

 1?: [LOCALHOST]                        0.028ms pmtu 1500
 1:  karsolink-01.net.karsolink.com                        0.850ms 
 2:  2a12:d8c0:109f:121::a1                                0.835ms 
 3:  2a12:d8c0:101f:6::1                                  10.244ms 
 4:  fastweb.minap.it                                     11.914ms 
 5:  2001:b00:1:1:1::1a7                                  10.116ms 
 6:  2001:b00:ffff:fc26::ebc9:2                           26.415ms asymm  9 
 7:  2001:b00:ffff:fc26:93:61:53:48                       25.571ms asymm  8 
 8:  2a13:71c0::1                                         23.328ms reached
     Resume: pmtu 1500 hops 8 back 9 

From SLO host (6connect)   no ipv6 implementationRFC 4890 ✓

filter likely at: no host (announced, no deployment) · min PMTU on path: 1500

4/4
Echo small (56B) 22.8ms
4/4
Echo 1500B (DF) 23.9ms
yes
Type 1 dest-unreach
443,80
TCP responds on

Path (traceroute + mtr + PTR)

#IP / PTRRTTmtr lossASAS holder
1fw1-lju.6connect.com
2607:fae0:a000::2
0.3ms0%*AS80386CONNECT - 6connect, Inc., US
2*-0%*-
32a03:a100:0:201:1::10.7ms20%AS56635XENYA - XENYA inzeniring, proizvodnja in trgovina, d.o.o. Ljubljana, SI
42001:7f8:46:0:1::33039.5ms0%AS51988ARNES-SIX - ARNES, SI
52001:918:100:74::18.0ms0%AS3303SWISSCOM - Swisscom (Schweiz) AG, CH
6*-80%-
72001:b00:1:1:3::13910.4ms0%AS12874FASTWEB - Fastweb SpA, IT
82001:b00:ffff:fc26::ebc9:223.8ms0%AS12874FASTWEB - Fastweb SpA, IT
92001:b00:ffff:fc26:93:61:53:4823.7ms80%AS12874FASTWEB - Fastweb SpA, IT
102a13:71c0::123.3ms0%AS59429POLOTEC - Polo Navacchio S.p.A., IT

Rate-limited ICMPv6: hop 3, hop 6, hop 9 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).

tracepath -6

 1?: [LOCALHOST]                        0.040ms pmtu 1500
 1:  fw1-lju.6connect.com                                  0.516ms 
 1:  fw1-lju.6connect.com                                  0.571ms 
 2:  ccr-to-fw-ccr1-gw-lju.6connect.com                    0.639ms 
 3:  2a03:a100:0:201:1::1                                  1.138ms 
 4:  2001:7f8:46:0:1::3303                                 8.217ms 
 5:  2001:918:100:74::1                                    7.867ms 
 6:  2001:4d98:a000::15d                                 139.381ms 
 7:  2001:b00:1:1:3::139                                  10.772ms asymm  9 
 8:  2001:b00:ffff:fc26::ebc9:2                           23.614ms asymm 13 
 9:  2001:b00:ffff:fc26:93:61:53:48                       24.355ms asymm 12 
10:  2a13:71c0::1                                         23.641ms reached
     Resume: pmtu 1500 hops 10 back 13