AS overview
Test target: 2001:67c:734::1 · static prefix probe · address space: PI · prefixes announced: 1
prefix(es): 2001:67c:734::/48
Targets & per-vantage-point probe results (1 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 | ||
2001:67c:734::1 | prb | ✓ | ✓ | refused | refused | ✓ | ✓ | ✓ | refused | refused | ✓ | ✓ | ✓ | refused | refused | ✓ | ✓ | ✓ | ? | ? | ✓ | ✓ | ✓ | refused | refused | ✓ | ✓ | ✓ | refused | refused | ✓ | ✓ | ✓ | refused | refused | - |
VIX / AAIX / SAIX / TIROL-IX / ERA-IX peering
Not an VIX / AAIX / SAIX / TIROL-IX / ERA-IX member, but our traceroute path crosses the VIX / AAIX / SAIX / TIROL-IX / ERA-IX LAN from SRB host (SOX, Belgrade) - reached via an VIX / AAIX / SAIX / TIROL-IX / ERA-IX-resident transit operator.
RPKI & ASPA
1 of 1 prefix(es) covered by a valid ROA.
| Prefix | RPKI state | Reason | Covering VRP(s) |
|---|---|---|---|
2001:67c:734::/48 | ✓ valid | matched VRP (correct origin, length within maxLength) | AS198656 /48 maxLen 48 (ripe) |
Random-IP probe (yarrp) into the AS' prefixes
We probed 35 arbitrary IPv6 address(es) inside AS198656's announced prefix(es). No router inside the prefix responded. The deepest visible hop was 2a02:5e0:0:1::200a at hop 13 - that router answers ICMPv6 Echo. This is not in AS198656's announced prefix; operationally it's the AS-edge / peering interface (often on an IXP peering address or an upstream's /127 link). The traceroute boundary is the AS edge: ICMPv6 Time-Exceeded responses from anything inside this AS are filtered.
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 2026-09-24T13:28:55Z
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 | 0.3ms | 0%* | AS60733 | PERKE-NET - ZORAN PEROVIC trading as Agencija Perke.NET, RS |
| 2 | sox-pn.sox.rs 2001:7f8:1e:8::3a | 0.4ms | 0% | AS13004 | SOX - Serbian Open Exchange DOO, RS |
| 3 | 2001:7f8:1e:8::3d | 0.4ms | 0% | AS13004 | SOX - Serbian Open Exchange DOO, RS |
| 4 | 2a02:2d8:0:a00e:232a | 13.0ms | 0% | - | |
| 5 | 2001:7f8:30:0:2:1:4:9808 @VIX / AAIX / SAIX / TIROL-IX / ERA-IX | 11.7ms | 80% | - | NA |
| 6 | 2a03:c100:c:14::1 | 15.2ms | 90% | AS49808 | POWERSPEED-AS - Energie AG Oberoesterreich Services und Digital Solutions GmbH, AT |
| 7 | 2a03:c100:100:7::202 | 20.9ms | 0% | AS49808 | POWERSPEED-AS - Energie AG Oberoesterreich Services und Digital Solutions GmbH, AT |
| 8 | v6test.muehlboeck.com 2001:67c:734::1 | 20.1ms | 0% | AS198656 | MUEHLBOECK-AT-AS - MUEHLBOECK Holztrocknungsanlagen GmbH, AT |
Rate-limited ICMPv6: hop 5, hop 6 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).
tracepath -6
1?: [LOCALHOST] 0.019ms pmtu 1500
1: _gateway 0.691ms
1: _gateway 0.488ms
2: sox-pn.sox.rs 0.395ms
3: 2001:7f8:1e:8::3d 0.793ms asymm 2
4: ae8-930.RT.IRX.VIE.AT.retn.net 41.592ms asymm 3
5: no reply
6: no reply
7: 2a03:c100:100:7::202 20.680ms asymm 5
8: v6test.muehlboeck.com 19.892ms reached
Resume: pmtu 1500 hops 8 back 6 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 | 0.8ms | 0%* | AS59645 | WYBT-NET - Tobias Fiebig, DE |
| 3 | ae3-90.cr10.ham01.lwlcom.net 2a00:c380:b200:230::192 | 4.9ms | 0% | AS50629 | LWLCOM - LWLcom GmbH, DE |
| 4 | ae0-50.cr11.ham01.lwlcom.net 2a00:c380:b200:230::45 | 4.8ms | 0% | AS50629 | LWLCOM - LWLcom GmbH, DE |
| 5 | 2a00:c380:f000::4b | 5.2ms | 0% | AS50629 | LWLCOM - LWLcom GmbH, DE |
| 6 | ae4-2087.dus10.core-backbone.com 2a01:4a0:0:2087::33 | 11.3ms | 0% | AS201011 | CORE-BACKBONE - Core-Backbone GmbH, DE |
| 7 | ae21-2071.fra10.core-backbone.com 2a01:4a0:0:2071::4 | 10.6ms | 0% | AS201011 | CORE-BACKBONE - Core-Backbone GmbH, DE |
| 8 | ae2-2021.fra20.core-backbone.com 2a01:4a0:0:2021::4 | 10.7ms | 0% | AS201011 | CORE-BACKBONE - Core-Backbone GmbH, DE |
| 9 | ae6-2003.nbg20.core-backbone.com 2a01:4a0:0:2003::2 | 12.1ms | 0% | AS201011 | CORE-BACKBONE - Core-Backbone GmbH, DE |
| 10 | ae2-2032.muc20.core-backbone.com 2a01:4a0:0:2032::7 | 14.6ms | 0% | AS201011 | CORE-BACKBONE - Core-Backbone GmbH, DE |
| 11 | ae1-2028.vie10.core-backbone.com 2a01:4a0:0:2028::10 | 20.1ms | 0% | AS201011 | CORE-BACKBONE - Core-Backbone GmbH, DE |
| 12 | * | - | 0% | - | |
| 13 | * | - | 20% | - | |
| 14 | * | - | 0% | - | |
| 15 | v6test.muehlboeck.com 2001:67c:734::1 | 27.5ms | - | AS198656 | MUEHLBOECK-AT-AS - MUEHLBOECK Holztrocknungsanlagen GmbH, AT |
Rate-limited ICMPv6: hop 13 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).
tracepath -6
1?: [LOCALHOST] 0.025ms pmtu 1500
1: xe-0-0-13-178.gw01.ber01.as59645.net 0.482ms
1: xe-0-0-13-178.gw01.ber01.as59645.net 0.438ms
2: ae0-2453.cr10.ber01.lwlcom.net 0.846ms
3: ae3-90.cr10.ham01.lwlcom.net 5.272ms
4: ae0-50.cr11.ham01.lwlcom.net 5.817ms
5: 2a00:c380:f000::4b 5.814ms asymm 4
6: ae4-2087.dus10.core-backbone.com 11.530ms asymm 5
7: ae21-2071.fra10.core-backbone.com 10.837ms asymm 5
8: ae2-2021.fra20.core-backbone.com 10.826ms asymm 4
9: ae6-2003.nbg20.core-backbone.com 12.448ms asymm 6
10: ae2-2032.muc20.core-backbone.com 14.816ms asymm 7
11: ae1-2028.vie10.core-backbone.com 20.502ms asymm 8
12: 2a01:4a0:1338:1f1::2 21.309ms asymm 5
13: infotech-2.v6.as3330.net 27.358ms asymm 6
14: no reply
15: v6test.muehlboeck.com 26.985ms reached
Resume: pmtu 1500 hops 15 back 8 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 | 3.4ms | 0% | AS24961 | MYLOC-AS - WIIT AG, DE |
| 3 | * | - | - | - | |
| 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 | * | - | 10% | - | |
| 7 | * | - | 0% | - | |
| 8 | 2a03:c100:100:7::202 | 25.0ms | 0% | AS49808 | POWERSPEED-AS - Energie AG Oberoesterreich Services und Digital Solutions GmbH, AT |
| 9 | v6test.muehlboeck.com 2001:67c:734::1 | 26.4ms | 0% | AS198656 | MUEHLBOECK-AT-AS - MUEHLBOECK Holztrocknungsanlagen GmbH, AT |
Rate-limited ICMPv6: hop 6 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).
tracepath -6
1?: [LOCALHOST] 0.020ms pmtu 1500
1: xe-0-0-12-142.gw01.dus01.as59645.net 0.366ms
1: xe-0-0-12-142.gw01.dus01.as59645.net 0.498ms
2: eth1-0-12-h5594.edge5-dus1.bb.wiit.network 1.150ms
3: no reply
4: lag11.core3-dus1.bb.wiit.network 0.405ms
5: lag2.core1-dus-ix.bb.wiit.network 0.667ms
6: r-bgp-muc.power-speed.at 21.267ms asymm 8
7: 2a03:c100:c:16::1 21.016ms
8: 2a03:c100:100:7::202 25.271ms
9: v6test.muehlboeck.com 25.678ms reached
Resume: pmtu 1500 hops 9 back 9 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 | 1.6ms | 0% | AS203993 | GNA-DC1-AS - S.J.M. Steffann, NL |
| 2 | gw.friends.steffann.nl 2a00:8642:1000:f000::1 | 3.3ms | 0%* | AS203993 | GNA-DC1-AS - S.J.M. Steffann, NL |
| 3 | 2a00:1ca8:1::194 | 3.7ms | 0% | AS50673 | Serverius-as - Serverius Holding B.V., NL |
| 4 | 2a03:3f40::10:33 | 6.8ms | 0% | AS50673 | Serverius-as - Serverius Holding B.V., NL |
| 5 | * | - | - | - | |
| 6 | * | - | - | - | |
| 7 | 2a02:940::1:95 | 29.1ms | 40% | AS21013 | ITANDTEL-AS - eww ag, AT |
| 8 | * | - | - | - | |
| 9 | v6test.muehlboeck.com 2001:67c:734::1 | 29.7ms | 0% | AS198656 | MUEHLBOECK-AT-AS - MUEHLBOECK Holztrocknungsanlagen GmbH, AT |
Rate-limited ICMPv6: hop 7 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).
tracepath -6
1?: [LOCALHOST] 0.050ms pmtu 1500
1: 2a00:8642:42::2 2.361ms
1: 2a00:8642:42::2 2.008ms
2: gw.friends.steffann.nl 3.956ms
3: 2a00:1ca8:1::194 5.248ms
4: 2a03:3f40::10:33 7.230ms
5: no reply
6: no reply
7: 2a02:940::1:95 28.519ms asymm 8
8: no reply
9: v6test.muehlboeck.com 29.046ms reached
Resume: pmtu 1500 hops 9 back 10 From ITA host (Karsolink) openRFC 4890 ✓
filter likely at: (none) · 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 | 0.3ms | 0%* | AS204471 | KARSOLINK - 2S Computers SRL, IT |
| 2 | 2a12:d8c0:109f:121::a1 | 0.3ms | 0%* | AS204471 | KARSOLINK - 2S Computers SRL, IT |
| 3 | * | - | 10% | - | |
| 4 | * | - | - | - | |
| 5 | 100ge0-0-0-20.core1.vie1.he.net 2001:470:0:414::1 | 23.7ms | 60% | AS6939 | HURRICANE - Hurricane Electric LLC, US |
| 6 | * | - | - | - | |
| 7 | * | - | 70% | - | |
| 8 | 2a03:c100:100:7::202 | 23.0ms | 0% | AS49808 | POWERSPEED-AS - Energie AG Oberoesterreich Services und Digital Solutions GmbH, AT |
| 9 | v6test.muehlboeck.com 2001:67c:734::1 | 23.8ms | 0% | AS198656 | MUEHLBOECK-AT-AS - MUEHLBOECK Holztrocknungsanlagen GmbH, AT |
Rate-limited ICMPv6: hop 3, hop 5, hop 7 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).
tracepath -6
1?: [LOCALHOST] 0.025ms pmtu 1500
1: karsolink-01.net.karsolink.com 0.388ms
1: karsolink-01.net.karsolink.com 0.446ms
2: 2a12:d8c0:109f:121::a1 0.829ms
3: 2a12:d8c0:101f:103::1 8.872ms
4: no reply
5: 100ge0-0-0-20.core1.vie1.he.net 49.578ms
6: no reply
7: 2a03:c100:c:14::1 20.233ms
8: 2a03:c100:100:7::202 24.060ms
9: v6test.muehlboeck.com 23.769ms reached
Resume: pmtu 1500 hops 9 back 9 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 | 0.3ms | 0%* | AS8038 | 6CONNECT - 6connect, Inc., US |
| 2 | * | - | - | - | |
| 3 | 2a00:ee1:800:9::1 | 1.7ms | 0% | AS5603 | SIOL-NET - Telekom Slovenije, d.d., SI |
| 4 | 2a00:ee0:1:15::2 | 1.3ms | 0% | AS5603 | SIOL-NET - Telekom Slovenije, d.d., SI |
| 5 | r-bgp-muc.power-speed.at 2001:7f8::c290:0:1 | 16.2ms | 20% | - | NA |
| 6 | * | - | 60% | - | |
| 7 | 2a03:c100:100:7::202 | 20.7ms | 0% | AS49808 | POWERSPEED-AS - Energie AG Oberoesterreich Services und Digital Solutions GmbH, AT |
| 8 | v6test.muehlboeck.com 2001:67c:734::1 | 19.6ms | 0% | AS198656 | MUEHLBOECK-AT-AS - MUEHLBOECK Holztrocknungsanlagen GmbH, AT |
Rate-limited ICMPv6: hop 5, hop 6 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).
tracepath -6
1?: [LOCALHOST] 0.021ms pmtu 9000
1: fw1-lju.6connect.com 0.471ms
1: fw1-lju.6connect.com 0.410ms
2: no reply
3: no reply
4: 2a00:ee0:1:15::2 1.589ms asymm 3
5: 2a00:ee0:1:10::2 13.470ms pmtu 1500
5: r-bgp-muc.power-speed.at 15.939ms asymm 7
6: 2a03:c100:c:16::1 16.794ms
7: 2a03:c100:100:7::202 22.579ms asymm 6
8: v6test.muehlboeck.com 19.881ms reached
Resume: pmtu 1500 hops 8 back 7 From 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 | 1.9ms | 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 | 1.8ms | 0%* | AS34779 | T-2-AS - T-2, d.o.o., SI |
| 4 | 2a01-260-1-1--39.core6.t-2.net 2a01:260:1:1::39 | 1.8ms | 0%* | AS34779 | T-2-AS - T-2, d.o.o., SI |
| 5 | energieag.peering.cz 2001:7f8:7f::76 | 14.1ms | 10% | - | NA |
| 6 | 2a03:c100:100:7::201 | 20.9ms | 0% | AS49808 | POWERSPEED-AS - Energie AG Oberoesterreich Services und Digital Solutions GmbH, AT |
Rate-limited ICMPv6: hop 5 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).
tracepath -6
1?: [LOCALHOST] 0.027ms pmtu 1500
1: no reply
2: 2a01:260:1::225 2.655ms
3: 2a01-260-1-1--9a.core6.t-2.net 2.170ms
4: no reply
5: 2a03:c100:c:13::1 13.197ms asymm 7
6: 2a03:c100:100:7::201 20.442ms reached
Resume: pmtu 1500 hops 6 back 8