AS overview
Test target: 2a02:cdc5:9715:0:185:5:201:53 · ns1.as59715.net · address space: PA · prefixes announced: 3
prefix(es): 2a02:cdc0::/29, 2a02:cdc6:3074::/48, 2a02:cdc6:3100::/48
Targets & per-vantage-point probe results (3 target(s) across 7 vantage point(s))
Source codes (hover any badge for full description): CUR=curated · NS/SOA/MX=DNS records · SPF=SPF TXT · DRV=holder-derived (www, ns1, mail, gw, …) · ATL=RIPE Atlas · PDB=PeeringDB · WHOIS=RIPE whois · RDAP=RIPE RDAP · HIT=IPv6 Hitlist · RTR=in-prefix path hop (router) · PRB=static prefix probe · SYN=synthetic prefix::1 fallback
| Target IP / hostname | Source | SRB host (SOX, Belgrade) | DE host (Berlin) | DE host (Düsseldorf) | NL host (go6lab) | ITA host (Karsolink) | SLO host (6connect) | SLO host (T-2) | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ping | 1500B | :80 | :443 | reached | ping | 1500B | :80 | :443 | reached | ping | 1500B | :80 | :443 | reached | ping | 1500B | :80 | :443 | reached | ping | 1500B | :80 | :443 | reached | ping | 1500B | :80 | :443 | reached | ping | 1500B | :80 | :443 | reached | ||
2a02:cdc5:9715:0:185:5:201:53ns1.as59715.net | NS | ✓ | ✓ | ? | ? | - | ✓ | ✓ | ? | ? | - | ✓ | ✓ | ? | ? | - | ✓ | ✓ | ? | ? | - | ✓ | ✗ | ? | ? | - | ✓ | ✓ | ? | ? | - | ✓ | ✓ | ? | ? | - |
2a02:cdc5:9715:0:185:5:201:81 | SPF | ✓ | ✓ | open | open | ✓ | ✓ | ✓ | open | open | ✓ | ✓ | ✓ | open | open | ✓ | ✓ | ✓ | open | open | ✓ | ✓ | ✗ | open | open | ✓ | ✓ | ✓ | open | open | ✓ | ✓ | ✓ | open | open | ✓ |
2a02:cdc6:3100:0:185:5:202:53ns2.as59715.net | NS | ✓ | ✓ | refused | refused | ✓ | ✓ | ✓ | refused | refused | ✓ | ✓ | ✓ | refused | refused | ✓ | ✓ | ✓ | ? | ? | ✓ | ✓ | ✗ | refused | refused | ✓ | ✓ | ✓ | refused | refused | ✓ | ✓ | ✓ | refused | refused | ✓ |
RPKI & ASPA
3 of 3 prefix(es) covered by a valid ROA.
| Prefix | RPKI state | Reason | Covering VRP(s) |
|---|---|---|---|
2a02:cdc0::/29 | ✓ valid | matched VRP (correct origin, length within maxLength) | AS59715 /29 maxLen 52 (ripe) |
2a02:cdc6:3074::/48 | ✓ valid | matched VRP (correct origin, length within maxLength) | AS59715 /29 maxLen 52 (ripe) |
2a02:cdc6:3100::/48 | ✓ valid | matched VRP (correct origin, length within maxLength) | AS59715 /29 maxLen 52 (ripe) |
ASPA: this AS has published an ASPA record listing 2 upstream provider(s) that are authorized to propagate routes from it: AS6762, AS12874. Routes from this AS that arrive via any other upstream are considered ASPA-invalid by validators that enforce ASPA.
Random-IP probe (yarrp) into the AS' prefixes
At least one router inside AS59715's announced prefix replied during the random-target probe. Hop(s): 2a02:cdc6:3100:0:185:5:202:1. 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 2026-09-23T12:03:14Z
Multi-vantage path map
Every hop of all vantages’ traceroutes toward the target, drawn left→right, grouped into per-AS bubbles (a hop seen from several vantages is one shared bubble, so converging paths merge). It answers two questions per vantage — shown on each source bubble as echo ✓/⚠/✗ · trace ✓/✗: did the destination reply to ICMPv6 Echo (✓ honored, ⚠ replied but PTB not honored, ✗ no reply), and did the traceroute reach it. A line to the target is drawn only when that vantage got an echo reply — solid if the PTB was honored, dashed if not (reachable but a broken-PMTUD / RFC 4890 violation). The path depth still shows how far the traceroute itself got, and runs of unanswered (* *) hops collapse into one dashed “silent” bubble. Open full size ↗
- ● SRB host (SOX, Belgrade)
- ● DE host (Berlin)
- ● DE host (Düsseldorf)
- ● NL host (go6lab)
- ● ITA host (Karsolink)
- ● SLO host (6connect)
- ● SLO host (T-2)
- ── solid line = echo reply, PTB honored (clean reach)
- — — dashed line = echo reply but PTB not honored (RFC 4890 violation)
- no line = no echo reply (never reached)
- ◉ target: green = clean, amber = reachable-but-violation / unreachable
- ⚠ suspected drop AS
- ⋯ silent (unanswered) hops
- ● IXP hop
From SRB host (SOX, Belgrade) openRFC 4890 ✓
filter likely at: (none) · min PMTU on path: 1500
Path (traceroute + mtr + PTR)
| # | IP / PTR | RTT | mtr loss | AS | AS holder |
|---|---|---|---|---|---|
| 1 | 2a09:ab81::1 | 0.2ms | 0%* | AS60733 | PERKE-NET - ZORAN PEROVIC trading as Agencija Perke.NET, RS |
| 2 | sox-pn.sox.rs 2001:7f8:1e:8::3a | 0.2ms | 0% | AS13004 | SOX - Serbian Open Exchange DOO, RS |
| 3 | 2001:7f8:1e:8::3d | 0.7ms | 0% | AS13004 | SOX - Serbian Open Exchange DOO, RS |
| 4 | 2001:67c:128c::699 | 105.5ms | 0% | - | NA |
| 5 | * | - | 0% | - | |
| 6 | * | - | - | - | |
| 7 | * | - | - | - | |
| 8 | * | - | - | - | |
| 9 | * | - | - | - | |
| 10 | * | - | - | - | |
| 11 | * | - | - | - | |
| 12 | * | - | - | - | |
| 13 | * | - | - | - | |
| 14 | * | - | - | - | |
| 15 | * | - | - | - | |
| 16 | * | - | - | - | |
| 17 | * | - | - | - | |
| 18 | * | - | - | - | |
| 19 | * | - | - | - | |
| 20 | * | - | - | - | |
| 21 | * | - | - | - | |
| 22 | * | - | - | - | |
| 23 | * | - | - | - | |
| 24 | * | - | - | - |
tracepath -6
1?: [LOCALHOST] 0.011ms pmtu 1500
1: _gateway 0.658ms
1: _gateway 0.329ms
2: sox-pn.sox.rs 0.670ms
3: 2001:7f8:1e:8::3d 0.472ms asymm 2
4: 2001:67c:128c::699 17.275ms
5: no reply
6: no reply
7: no reply
8: no reply
9: no reply
10: no reply
11: no reply
12: no reply
13: no reply
14: no reply
15: no reply
16: no reply
17: no reply
18: no reply
19: no reply
20: no reply
21: no reply
22: no reply
23: no reply
24: no reply
Too many hops: pmtu 1500
Resume: pmtu 1500 From DE host (Berlin) openRFC 4890 ✓
filter likely at: (none) · min PMTU on path: 1500
Path (traceroute + mtr + PTR)
| # | IP / PTR | RTT | mtr loss | AS | AS holder |
|---|---|---|---|---|---|
| 1 | xe-0-0-13-178.gw01.ber01.as59645.net 2a06:d1c1:100:b::1 | 0.3ms | 0%* | AS59645 | WYBT-NET - Tobias Fiebig, DE |
| 2 | ae0-2453.cr10.ber01.lwlcom.net 2a06:d1c0::dead:beef:1c02 | 0.5ms | 0%* | AS59645 | WYBT-NET - Tobias Fiebig, DE |
| 3 | ae0-10.cr10.ber03.lwlcom.net 2a00:c380:b200:230::220 | 0.9ms | 0% | AS50629 | LWLCOM - LWLcom GmbH, DE |
| 4 | ae0-15.cr11.dtm01.lwlcom.net 2a00:c380:b200:230::5 | 8.3ms | 0% | AS50629 | LWLCOM - LWLcom GmbH, DE |
| 5 | ae0-10.cr10.dtm02.lwlcom.net 2a00:c380:b200:230::255 | 8.7ms | 0% | AS50629 | LWLCOM - LWLcom GmbH, DE |
| 6 | ae0-20.cr10.dus04.lwlcom.net 2a00:c380:b200:230::139 | 8.3ms | 0% | AS50629 | LWLCOM - LWLcom GmbH, DE |
| 7 | ae0-10.cr10.dus01.lwlcom.net 2a00:c380:b200:230::187 | 8.4ms | 0% | AS50629 | LWLCOM - LWLcom GmbH, DE |
| 8 | ae0-90.cr11.dus01.lwlcom.net 2a00:c380:b200:230::222 | 8.8ms | 0% | AS50629 | LWLCOM - LWLcom GmbH, DE |
| 9 | as3303.dusseldorf.megaport.com 2001:7f8:8::ce7:0:1 | 17.3ms | 0% | - | NA |
| 10 | i00ffm-005-loo179.bb.ip-plus.net 2001:918:100:3b::1 | 17.2ms | 0% | AS3303 | SWISSCOM - Swisscom (Schweiz) AG, CH |
| 11 | i62bsw-015-loo179.ip6.ip-plus.net 2001:918:100:2::1 | 17.5ms | 0% | AS3303 | SWISSCOM - Swisscom (Schweiz) AG, CH |
| 12 | i73olt-005-loo179.bb.ip-plus.net 2001:918:100:67::1 | 17.5ms | 0% | AS3303 | SWISSCOM - Swisscom (Schweiz) AG, CH |
| 13 | i71lzf-015-loo179.bb.ip-plus.net 2001:918:100:1a::1 | 17.9ms | 0% | AS3303 | SWISSCOM - Swisscom (Schweiz) AG, CH |
| 14 | i63bel-005-loo179.bb.ip-plus.net 2001:918:100:47::1 | 19.8ms | 0% | AS3303 | SWISSCOM - Swisscom (Schweiz) AG, CH |
| 15 | * | - | 90% | - | |
| 16 | 2001:b00:1:1:1::1a7 | 22.5ms | 0% | AS12874 | FASTWEB - Fastweb SpA, IT |
| 17 | * | - | - | - | |
| 18 | 2a02:cdc6:3100:0:185:5:202:1 | 51.2ms | 0% | AS59715 | SBTAP-AS - Comune di San Benedetto del Tronto, IT |
| 19 | 2a02:cdc5:9715:169:169:254:63:74 | 39.1ms | 0% | AS59715 | SBTAP-AS - Comune di San Benedetto del Tronto, IT |
| 20 | * | - | 0% | - | |
| 21 | * | - | - | - | |
| 22 | * | - | - | - | |
| 23 | * | - | - | - | |
| 24 | * | - | - | - |
Rate-limited ICMPv6: hop 15 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).
tracepath -6
1?: [LOCALHOST] 0.039ms pmtu 1500
1: xe-0-0-13-178.gw01.ber01.as59645.net 0.740ms
1: xe-0-0-13-178.gw01.ber01.as59645.net 0.464ms
2: ae0-2453.cr10.ber01.lwlcom.net 1.023ms
3: ae0-10.cr10.ber03.lwlcom.net 1.334ms
4: ae0-15.cr11.dtm01.lwlcom.net 8.819ms asymm 5
5: ae0-10.cr10.dtm02.lwlcom.net 8.965ms asymm 6
6: ae0-20.cr10.dus04.lwlcom.net 8.793ms asymm 5
7: ae0-20.cr10.dus01.lwlcom.net 9.054ms asymm 4
8: ae0-90.cr11.dus01.lwlcom.net 9.006ms asymm 5
9: as3303.dusseldorf.megaport.com 17.847ms asymm 13
10: i00ffm-005-loo179.bb.ip-plus.net 17.608ms asymm 12
11: i62bsw-015-loo179.ip6.ip-plus.net 17.859ms asymm 14
12: i73olt-005-loo179.bb.ip-plus.net 17.866ms
13: i71lzf-015-loo179.bb.ip-plus.net 18.284ms asymm 12
14: i63bel-005-loo179.bb.ip-plus.net 22.302ms asymm 13
15: no reply
16: 2001:b00:1:1:1::1a7 23.058ms asymm 8
17: no reply
18: 2a02:cdc6:3100:0:185:5:202:1 44.596ms asymm 12
19: 2a02:cdc5:9715:169:169:254:63:74 40.306ms asymm 6
20: no reply
21: no reply
22: no reply
23: no reply
24: no reply
Too many hops: pmtu 1500
Resume: pmtu 1500 From DE host (Düsseldorf) openRFC 4890 ✓
filter likely at: (none) · min PMTU on path: 1500
Path (traceroute + mtr + PTR)
| # | IP / PTR | RTT | mtr loss | AS | AS holder |
|---|---|---|---|---|---|
| 1 | xe-0-0-12-142.gw01.dus01.as59645.net 2a06:d1c1:100:d::1 | 0.2ms | 0%* | AS59645 | WYBT-NET - Tobias Fiebig, DE |
| 2 | eth1-0-12-h5594.edge5-dus1.bb.wiit.network 2001:4ba0:92f4:3::1 | 1.3ms | 0% | AS24961 | MYLOC-AS - WIIT AG, DE |
| 3 | lag13.agr3-dus3.bb.wiit.network 2001:4ba0:ffe9:7d::1 | 0.5ms | 20% | AS24961 | MYLOC-AS - WIIT AG, DE |
| 4 | lag11.core3-dus1.bb.wiit.network 2001:4ba0:ffe9:115::3 | 0.2ms | 0% | AS24961 | MYLOC-AS - WIIT AG, DE |
| 5 | lag8.core1-dus-ix.bb.wiit.network 2001:4ba0:ffe9:8::2 | 0.4ms | 0% | AS24961 | MYLOC-AS - WIIT AG, DE |
| 6 | * | - | 70% | - | |
| 7 | 2001:b00:1:1:1::1ab | 16.9ms | 0% | AS12874 | FASTWEB - Fastweb SpA, IT |
| 8 | * | - | - | - | |
| 9 | 2a02:cdc6:3100:0:185:5:202:1 | 38.8ms | 0% | AS59715 | SBTAP-AS - Comune di San Benedetto del Tronto, IT |
| 10 | 2a02:cdc5:9715:169:169:254:63:74 | 33.2ms | 0% | AS59715 | SBTAP-AS - Comune di San Benedetto del Tronto, IT |
| 11 | * | - | 0% | - | |
| 12 | * | - | - | - | |
| 13 | * | - | - | - | |
| 14 | * | - | - | - | |
| 15 | * | - | - | - | |
| 16 | * | - | - | - | |
| 17 | * | - | - | - | |
| 18 | * | - | - | - | |
| 19 | * | - | - | - | |
| 20 | * | - | - | - | |
| 21 | * | - | - | - | |
| 22 | * | - | - | - | |
| 23 | * | - | - | - | |
| 24 | * | - | - | - |
Rate-limited ICMPv6: hop 3, hop 6 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).
tracepath -6
1?: [LOCALHOST] 0.011ms pmtu 1500
1: xe-0-0-12-142.gw01.dus01.as59645.net 0.285ms
1: xe-0-0-12-142.gw01.dus01.as59645.net 0.245ms
2: eth1-0-12-h5594.edge5-dus1.bb.wiit.network 1.066ms
3: no reply
4: lag11.core3-dus1.bb.wiit.network 0.344ms
5: lag8.core1-dus-ix.bb.wiit.network 0.512ms
6: no reply
7: 2001:b00:1:1:1::1ab 17.259ms
8: no reply
9: 2a02:cdc6:3100:0:185:5:202:1 39.278ms asymm 11
10: 2a02:cdc5:9715:169:169:254:63:74 34.072ms asymm 5
11: no reply
12: no reply
13: no reply
14: no reply
15: no reply
16: no reply
17: no reply
18: no reply
19: no reply
20: no reply
21: no reply
22: no reply
23: no reply
24: no reply
Too many hops: pmtu 1500
Resume: pmtu 1500 From NL host (go6lab) openRFC 4890 ✓
filter likely at: (none) · min PMTU on path: 1500
Path (traceroute + mtr + PTR)
| # | IP / PTR | RTT | mtr loss | AS | AS holder |
|---|---|---|---|---|---|
| 1 | 2a00:8642:42::2 | 1.0ms | 0% | AS203993 | GNA-DC1-AS - S.J.M. Steffann, NL |
| 2 | * | - | 0%* | - | |
| 3 | 2a00:1ca8:1::194 | 3.4ms | 0% | AS50673 | Serverius-as - Serverius Holding B.V., NL |
| 4 | 2a03:3f40::10:33 | 4.5ms | 0% | AS50673 | Serverius-as - Serverius Holding B.V., NL |
| 5 | 2001:7f8:1::a501:2874:1 | 148.4ms | 20% | - | NA |
| 6 | 2001:b00:1:1:3::139 | 21.5ms | 0% | AS12874 | FASTWEB - Fastweb SpA, IT |
| 7 | * | - | - | - | |
| 8 | 2a02:cdc6:3100:0:185:5:202:1 | 45.0ms | 0% | AS59715 | SBTAP-AS - Comune di San Benedetto del Tronto, IT |
| 9 | 2a02:cdc5:9715:169:169:254:63:74 | 47.0ms | 0% | AS59715 | SBTAP-AS - Comune di San Benedetto del Tronto, IT |
| 10 | * | - | 0% | - | |
| 11 | * | - | - | - | |
| 12 | * | - | - | - | |
| 13 | * | - | - | - | |
| 14 | * | - | - | - | |
| 15 | * | - | - | - | |
| 16 | * | - | - | - | |
| 17 | * | - | - | - | |
| 18 | * | - | - | - | |
| 19 | * | - | - | - | |
| 20 | * | - | - | - | |
| 21 | * | - | - | - | |
| 22 | * | - | - | - | |
| 23 | * | - | - | - | |
| 24 | * | - | - | - |
Rate-limited ICMPv6: hop 5 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).
tracepath -6
1?: [LOCALHOST] 0.057ms pmtu 1500
1: 2a00:8642:42::2 2.102ms
1: 2a00:8642:42::2 1.615ms
2: gw.friends.steffann.nl 2.916ms
3: 2a00:1ca8:1::194 5.426ms
4: 2a03:3f40::10:33 7.126ms
5: 2001:7f8:1::a501:2874:1 23.930ms
6: 2001:b00:1:1:3::139 23.671ms
7: no reply
8: 2a02:cdc6:3100:0:185:5:202:1 45.794ms asymm 10
9: 2a02:cdc5:9715:169:169:254:63:74 45.720ms asymm 11
10: no reply
11: no reply
12: no reply
13: no reply
14: no reply
15: no reply
16: no reply
17: no reply
18: no reply
19: no reply
20: no reply
21: no reply
22: no reply
23: no reply
24: no reply
Too many hops: pmtu 1500
Resume: pmtu 1500 From ITA host (Karsolink) echo onlyRFC 4890 ✓
filter likely at: destination AS59715 (SBTAP-AS) · min PMTU on path: 1500
Path (traceroute + mtr + PTR)
| # | IP / PTR | RTT | mtr loss | AS | AS holder |
|---|---|---|---|---|---|
| 1 | karsolink-01.net.karsolink.com 2a12:d8c0:105a:9001::1 | 0.4ms | - | AS204471 | KARSOLINK - 2S Computers SRL, IT |
| 2 | 2a12:d8c0:109f:121::a1 | 0.4ms | 0%* | AS204471 | KARSOLINK - 2S Computers SRL, IT |
| 3 | * | - | 40% | - | |
| 4 | fastweb.minap.it 2001:7f8:c5::a501:2874:1 | 10.9ms | 10% | AS12874 | Fastweb S.p.A. |
| 5 | 2001:b00:1:1:3::135 | 8.1ms | 0% | AS12874 | FASTWEB - Fastweb SpA, IT |
| 6 | * | - | - | - | |
| 7 | 2a02:cdc6:3100:0:185:5:202:1 | 34.0ms | 0% | AS59715 | SBTAP-AS - Comune di San Benedetto del Tronto, IT |
| 8 | 2a02:cdc5:9715:169:169:254:63:74 | 32.1ms | 0% | AS59715 | SBTAP-AS - Comune di San Benedetto del Tronto, IT |
| 9 | * | - | 0% | - | |
| 10 | * | - | - | - | |
| 11 | * | - | - | - | |
| 12 | * | - | - | - | |
| 13 | * | - | - | - | |
| 14 | * | - | - | - | |
| 15 | * | - | - | - | |
| 16 | * | - | - | - | |
| 17 | * | - | - | - | |
| 18 | * | - | - | - | |
| 19 | * | - | - | - | |
| 20 | * | - | - | - | |
| 21 | * | - | - | - | |
| 22 | * | - | - | - | |
| 23 | * | - | - | - | |
| 24 | * | - | - | - |
Rate-limited ICMPv6: hop 3, hop 4 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).
tracepath -6
1?: [LOCALHOST] 0.029ms pmtu 1500
1: karsolink-01.net.karsolink.com 0.799ms
2: 2a12:d8c0:109f:121::a1 0.762ms
3: 2a12:d8c0:109f:106::a2 3.613ms
4: fastweb.minap.it 11.713ms
5: 2001:b00:1:1:3::135 9.590ms
6: no reply
7: 2a02:cdc6:3100:0:185:5:202:1 32.129ms asymm 9
8: 2a02:cdc5:9715:169:169:254:63:74 222.691ms asymm 10
9: no reply
10: no reply
11: no reply
12: no reply
13: no reply
14: no reply
15: no reply
16: no reply
17: no reply
18: no reply
19: no reply
20: no reply
21: no reply
22: no reply
23: no reply
24: no reply
Too many hops: pmtu 1500
Resume: pmtu 1500 From SLO host (6connect) openRFC 4890 ✓
filter likely at: (none) · min PMTU on path: 1500
Path (traceroute + mtr + PTR)
| # | IP / PTR | RTT | mtr loss | AS | AS holder |
|---|---|---|---|---|---|
| 1 | fw1-lju.6connect.com 2607:fae0:a000::2 | 2.0ms | 0%* | AS8038 | 6CONNECT - 6connect, Inc., US |
| 2 | * | - | - | - | |
| 3 | * | - | 20% | - | |
| 4 | 2a00:ee0:1:10::2 | 1.1ms | 0% | AS5603 | SIOL-NET - Telekom Slovenije, d.d., SI |
| 5 | 2001:41a8:20:2::169 | 9.1ms | 40% | AS6762 | SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A., IT |
| 6 | rom5-loop0-v6.rom.seabone.net 2001:41a8:60::5 | 16.5ms | 20% | AS6762 | SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A., IT |
| 7 | 2001:41a8:60:2::7a | 22.2ms | 20% | AS6762 | SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A., IT |
| 8 | * | - | 20% | - | |
| 9 | * | - | - | - | |
| 10 | * | - | - | - | |
| 11 | * | - | - | - | |
| 12 | * | - | - | - | |
| 13 | * | - | - | - | |
| 14 | * | - | - | - | |
| 15 | * | - | - | - | |
| 16 | * | - | - | - | |
| 17 | * | - | - | - | |
| 18 | * | - | - | - | |
| 19 | * | - | - | - | |
| 20 | * | - | - | - | |
| 21 | * | - | - | - | |
| 22 | * | - | - | - | |
| 23 | * | - | - | - | |
| 24 | * | - | - | - |
Rate-limited ICMPv6: hop 3, hop 5, hop 6, hop 7, hop 8 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).
tracepath -6
1?: [LOCALHOST] 0.058ms pmtu 9000
1: fw1-lju.6connect.com 0.584ms
1: fw1-lju.6connect.com 0.440ms
2: no reply
3: 2a00:ee1:800:9::1 2.371ms
4: 2a00:ee0:1:15::2 1.450ms asymm 3
5: no reply
6: 2a00:ee0:1:15::2 39.609ms pmtu 1500
6: rom5-loop0-v6.rom.seabone.net 25.781ms asymm 13
7: no reply
8: no reply
9: no reply
10: 2a02:cdc6:3100:0:185:5:202:1 33.017ms asymm 13
11: 2a02:cdc5:9715:169:169:254:63:74 27.474ms asymm 8
12: no reply
13: no reply
14: no reply
15: no reply
16: no reply
17: no reply
18: no reply
19: no reply
20: no reply
21: no reply
22: no reply
23: no reply
24: no reply
Too many hops: pmtu 1500From SLO host (T-2) openRFC 4890 ✓
filter likely at: (none) · min PMTU on path: 1500
Path (traceroute + mtr + PTR)
| # | IP / PTR | RTT | mtr loss | AS | AS holder |
|---|---|---|---|---|---|
| 1 | * | - | 0%* | - | |
| 2 | 2a01:260:1::225 | 2.0ms | 0%* | AS34779 | T-2-AS - T-2, d.o.o., SI |
| 3 | 2a01-260-1-1--9c.core6.t-2.net 2a01:260:1:1::9c | 2.4ms | 0%* | AS34779 | T-2-AS - T-2, d.o.o., SI |
| 4 | 2001:7f8:46:0:1::3303 | 9.3ms | 0% | AS51988 | ARNES-SIX - ARNES, SI |
| 5 | i00mil-005-loo179.bb.ip-plus.net 2001:918:100:74::1 | 9.2ms | 0% | AS3303 | SWISSCOM - Swisscom (Schweiz) AG, CH |
| 6 | 2001:4d98:a000::119 | 27.0ms | 30% | - | NA |
| 7 | 2001:b00:1:1:3::139 | 14.1ms | 0% | AS12874 | FASTWEB - Fastweb SpA, IT |
| 8 | * | - | - | - | |
| 9 | 2a02:cdc6:3100:0:185:5:202:1 | 36.2ms | 0% | AS59715 | SBTAP-AS - Comune di San Benedetto del Tronto, IT |
| 10 | 2a02:cdc5:9715:169:169:254:63:74 | 30.8ms | 0% | AS59715 | SBTAP-AS - Comune di San Benedetto del Tronto, IT |
| 11 | * | - | 0% | - | |
| 12 | * | - | - | - | |
| 13 | * | - | - | - | |
| 14 | * | - | - | - | |
| 15 | * | - | - | - | |
| 16 | * | - | - | - | |
| 17 | * | - | - | - | |
| 18 | * | - | - | - | |
| 19 | * | - | - | - | |
| 20 | * | - | - | - | |
| 21 | * | - | - | - | |
| 22 | * | - | - | - | |
| 23 | * | - | - | - | |
| 24 | * | - | - | - |
Rate-limited ICMPv6: hop 6 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).
tracepath -6
1?: [LOCALHOST] 0.030ms pmtu 1500
1: 2a01:261:313:b814::1 0.887ms
1: 2a01:261:313:b814::1 1.099ms
2: 2a01:260:1::225 9.862ms
3: 2a01-260-1-1--9a.core6.t-2.net 3.422ms
4: 2001:7f8:46:0:1::3303 10.708ms
5: i00mil-005-loo179.bb.ip-plus.net 9.558ms
6: 2001:4d98:a000::119 26.984ms asymm 11
7: 2001:b00:1:1:1::1ab 15.962ms asymm 8
8: no reply
9: 2a02:cdc6:3100:0:185:5:202:1 45.140ms asymm 12
10: 2a02:cdc5:9715:169:169:254:63:74 31.109ms asymm 8
11: no reply
12: no reply
13: no reply
14: no reply
15: no reply
16: no reply
17: no reply
18: no reply
19: no reply
20: no reply
21: no reply
22: no reply
23: no reply
24: no reply
Too many hops: pmtu 1500
Resume: pmtu 1500