AS35617 AIR2BITE-AS air2bite s.r.l.

AS overview

Test target: 2a04:e240::1 · static prefix probe · address space: mixed · prefixes announced: 1

prefix(es): 2a04:e240::/29

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)
Target IP / hostname	Source	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
`2a04:e240::1`	prb	✓	✓	refused	refused	✓	✓	✓	refused	refused	✓	✓	✓	refused	refused	✓	✓	✓	?	?	✓	✓	✓	refused	refused	✓	✓	✗	refused	refused	✓	✓	✓	refused	refused	✓

MIX-IT / NAMEX / MINAP / TOP-IX / VSIX / EQUINIX-MILAN / BGPX-ROME / NAMEX-BARI / PCIX / DECIX-PALERMO peering

MIX-IT / NAMEX / MINAP / TOP-IX / VSIX / EQUINIX-MILAN / BGPX-ROME / NAMEX-BARI / PCIX / DECIX-PALERMO member - Open peering, peering member, since 2016-05-10. IPv6 LAN: 2001:7f8:b:100:1d1:a5d3:5617:202. Locations: -.

RPKI & ASPA

1 of 1 prefix(es) covered by a valid ROA.

Prefix	RPKI state	Reason	Covering VRP(s)
`2a04:e240::/29`	✓ valid	matched VRP (correct origin, length within maxLength)	AS35617 /29 maxLen 29 (ripe)

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

We probed 35 arbitrary IPv6 address(es) inside AS35617's announced prefix(es). No router inside the prefix responded. The deepest visible hop was 2001:7f8:c5::a503:5617:1 at hop 13 - that router does not answer ICMPv6 Echo. This is not in AS35617'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 2026-09-23T12:04:09Z

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

4/4

Echo small (56B) 37.7ms

4/4

Echo 1500B (DF) 37.9ms

yes

Type 1 dest-unreach

443,80

TCP responds on

Path (traceroute + mtr + PTR)

#	IP / PTR	RTT	mtr loss	AS	AS holder
1	2a09:ab81::1	0.4ms	0%*	AS60733	PERKE-NET - ZORAN PEROVIC trading as Agencija Perke.NET, RS
2	2001:7f8:1e::4	0.4ms	0%	AS13004	SOX - Serbian Open Exchange DOO, RS
3	2001:7f8:30:0:2:1:0:9002	33.0ms	0%	-	NA
4	RT.MIX.MIL.IT.retn.net 2a02:2d8::57f5:e080	24.2ms	0%	AS9002	RETN-AS - RETN Limited, GB
5	GW-AS5398.retn.net 2a02:2d8:1:b81e:232a::1	22.1ms	0%	AS9002	RETN-AS - RETN Limited, GB
6	2a0f:e880:0:109::2	29.0ms	0%	AS5398	InternetONE - Internet one SRL, IT
7	2a04:e240:0:a::2	39.5ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
8	2a04:e240::1	38.8ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT

tracepath -6

 1?: [LOCALHOST]                        0.017ms pmtu 1500
 1:  _gateway                                              1.194ms 
 1:  _gateway                                              1.095ms 
 2:  2001:7f8:1e::4                                        0.892ms 
 3:  2001:7f8:30:0:2:1:0:9002                             14.033ms 
 4:  RT.MIX.MIL.IT.retn.net                               24.542ms 
 5:  GW-AS5398.retn.net                                   22.476ms asymm  7 
 6:  2a0f:e880:0:109::2                                   29.390ms asymm  5 
 7:  2a04:e240:0:a::2                                     38.370ms asymm  5 
 8:  2a04:e240::1                                         38.780ms reached
     Resume: pmtu 1500 hops 8 back 5

From DE host (Berlin) openRFC 4890 ✓

filter likely at: (none) · min PMTU on path: 1500

4/4

Echo small (56B) 27.9ms

4/4

Echo 1500B (DF) 28.0ms

yes

Type 1 dest-unreach

443,80

TCP responds on

Path (traceroute + mtr + PTR)

#	IP / PTR	RTT	mtr loss	AS	AS holder
1	*	-	0%*	-
2	ae0-2453.cr10.ber01.lwlcom.net 2a06:d1c0::dead:beef:1c02	0.6ms	0%*	AS59645	WYBT-NET - Tobias Fiebig, DE
3	retn.bcix.de 2001:7f8:19:1::232a:1	10.3ms	10%	-	NA
4	RT.MIX.MIL.IT.retn.net 2a02:2d8::57f5:e080	19.1ms	0%	AS9002	RETN-AS - RETN Limited, GB
5	GW-AS5398.retn.net 2a02:2d8:1:b81e:232a::1	19.1ms	0%	AS9002	RETN-AS - RETN Limited, GB
6	2a0f:e880:0:109::2	19.3ms	0%	AS5398	InternetONE - Internet one SRL, IT
7	2a04:e240:0:a::2	28.9ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
8	2a04:e240::1	28.7ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT

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

tracepath -6

 1?: [LOCALHOST]                        0.011ms pmtu 1500
 1:  xe-0-0-13-178.gw01.ber01.as59645.net                  0.434ms 
 1:  xe-0-0-13-178.gw01.ber01.as59645.net                  0.423ms 
 2:  ae0-2453.cr10.ber01.lwlcom.net                        0.902ms 
 3:  retn.bcix.de                                         10.619ms asymm  5 
 4:  RT.MIX.MIL.IT.retn.net                               26.766ms asymm  5 
 5:  GW-AS5398.retn.net                                   19.840ms asymm 11 
 6:  2a0f:e880:0:109::2                                   19.830ms asymm 10 
 7:  2a04:e240:0:a::2                                     29.243ms asymm 10 
 8:  2a04:e240::1                                         29.058ms reached
     Resume: pmtu 1500 hops 8 back 10

From DE host (Düsseldorf) openRFC 4890 ✓

filter likely at: (none) · min PMTU on path: 1500

4/4

Echo small (56B) 29.4ms

4/4

Echo 1500B (DF) 29.4ms

yes

Type 1 dest-unreach

443,80

TCP responds on

Path (traceroute + mtr + PTR)

#	IP / PTR	RTT	mtr loss	AS	AS holder
1	*	-	0%*	-
2	eth1-0-12-h5594.edge5-dus1.bb.wiit.network 2001:4ba0:92f4:3::1	28.3ms	0%	AS24961	MYLOC-AS - WIIT AG, DE
3	lag13.agr3-dus3.bb.wiit.network 2001:4ba0:ffe9:7d::1	655.5ms	0%	AS24961	MYLOC-AS - WIIT AG, DE
4	lag11.core3-dus1.bb.wiit.network 2001:4ba0:ffe9:115::3	0.3ms	0%	AS24961	MYLOC-AS - WIIT AG, DE
5	lag0-vl1011.core1-fra-ix.bb.wiit.network 2001:4ba0:ffe9:8a::2	4.3ms	0%	AS24961	MYLOC-AS - WIIT AG, DE
6	lag0-vl1001.core1-nbg-ncd.bb.wiit.network 2001:4ba0:ffe9:103e::1	7.0ms	0%	AS24961	MYLOC-AS - WIIT AG, DE
7	lag0-vl6.core2-nbg-ncd.bb.wiit.network 2001:4ba0:ffe9:103b::1	6.9ms	0%	AS24961	MYLOC-AS - WIIT AG, DE
8	2001:4ba0:ffe9:b8	9.5ms	0%	-
9	lag0-vl1009.core1-muc-eq3.bb.wiit.network 2001:4ba0:ffe9:a7::1	9.8ms	0%	AS24961	MYLOC-AS - WIIT AG, DE
10	lag0-vl1001.core1-pda-vsix.bb.wiit.network 2001:4ba0:ffe9:da::2	20.2ms	0%	AS24961	MYLOC-AS - WIIT AG, DE
11	lag0-vl1001.core1-mil-mix.bb.wiit.network 2001:4ba0:ffe9:db::2	20.2ms	0%	AS24961	MYLOC-AS - WIIT AG, DE
12	lag0-vl5.core3-mil-irid.bb.wiit.network 2001:4ba0:ffe9:9a::2	20.1ms	0%	AS24961	MYLOC-AS - WIIT AG, DE
13	2bite.minap.it 2001:7f8:c5::a503:5617:1	20.5ms	0%	AS35617	2Bite s.r.l.
14	2a04:e240:0:8::2	20.6ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
15	2a04:e240:0:a::2	30.3ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
16	2a04:e240::1	30.1ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT

tracepath -6

 1?: [LOCALHOST]                        0.024ms pmtu 1500
 1:  xe-0-0-12-142.gw01.dus01.as59645.net                  0.627ms 
 1:  xe-0-0-12-142.gw01.dus01.as59645.net                  0.707ms 
 2:  eth1-0-12-h5594.edge5-dus1.bb.wiit.network           22.651ms 
 3:  no reply
 4:  lag30.core3-dus1.bb.wiit.network                      0.230ms 
 5:  lag0-vl1011.core1-fra-ix.bb.wiit.network              4.529ms 
 6:  lag0-vl1001.core1-nbg-ncd.bb.wiit.network             7.041ms 
 7:  lag0-vl6.core2-nbg-ncd.bb.wiit.network                6.746ms 
 8:  lag0-vl1006.core2-muc2.bb.wiit.network                9.715ms 
 9:  lag0-vl1009.core1-muc-eq3.bb.wiit.network             9.643ms 
10:  lag0-vl1001.core1-pda-vsix.bb.wiit.network           20.152ms 
11:  lag0-vl1001.core1-mil-mix.bb.wiit.network            20.494ms asymm  9 
12:  lag0-vl5.core3-mil-irid.bb.wiit.network              20.254ms asymm  8 
13:  2bite.minap.it                                       20.524ms asymm  9 
14:  2a04:e240:0:8::2                                     20.685ms asymm  9 
15:  2a04:e240:0:a::2                                     30.307ms asymm  9 
16:  2a04:e240::1                                         30.295ms reached
     Resume: pmtu 1500 hops 16 back 9

From NL host (go6lab) openRFC 4890 ✓

filter likely at: (none) · min PMTU on path: 1500

4/4

Echo small (56B) 32.1ms

4/4

Echo 1500B (DF) 29.9ms

yes

Type 1 dest-unreach

TCP responds on

Path (traceroute + mtr + PTR)

#	IP / PTR	RTT	mtr loss	AS	AS holder
1	2a00:8642:42::2	2.6ms	0%	AS203993	GNA-DC1-AS - S.J.M. Steffann, NL
2	*	-	0%*	-
3	2a00:1ca8:1::194	11.2ms	0%	AS50673	Serverius-as - Serverius Holding B.V., NL
4	2a03:3f40::10:41	3.2ms	0%	AS50673	Serverius-as - Serverius Holding B.V., NL
5	speed-ix.fibertelecom.it 2001:7f8:b7::a504:1327:1	5.6ms	0%	-	NA
6	2a03:b020::225	20.0ms	0%	AS41327	FIBERTELECOM-AS - Fiber Telecom S.p.A., IT
7	2a03:b020:1:18::b	22.9ms	0%	AS41327	FIBERTELECOM-AS - Fiber Telecom S.p.A., IT
8	2a04:e240:0:4::2	23.0ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
9	2a04:e240:0:8::2	31.9ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
10	2a04:e240:0:a::2	34.3ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
11	2a04:e240::1	32.8ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT

tracepath -6

 1?: [LOCALHOST]                        0.065ms pmtu 1500
 1:  2a00:8642:42::2                                       5.777ms 
 1:  2a00:8642:42::2                                       3.278ms 
 2:  no reply
 3:  2a00:1ca8:1::194                                      3.244ms 
 4:  2a03:3f40::10:41                                      3.104ms 
 5:  speed-ix.fibertelecom.it                              7.458ms asymm  3 
 6:  2a03:b020::225                                       24.790ms asymm  4 
 7:  2a03:b020:1:18::b                                    22.466ms asymm  5 
 8:  2a04:e240:0:4::2                                     22.117ms asymm  5 
 9:  2a04:e240:0:8::2                                     30.760ms asymm  5 
10:  2a04:e240:0:a::2                                     30.382ms asymm  5 
11:  2a04:e240::1                                         30.749ms reached
     Resume: pmtu 1500 hops 11 back 5

From ITA host (Karsolink) openRFC 4890 ✓

filter likely at: (none) · min PMTU on path: 1500

4/4

Echo small (56B) 19.2ms

3/4

Echo 1500B (DF) 22.0ms

yes

Type 1 dest-unreach

443,80

TCP responds on

Path (traceroute + mtr + PTR)

#	IP / PTR	RTT	mtr loss	AS	AS holder
1	*	-	-	-
2	*	-	-	-
3	*	-	-	-
4	2bite.minap.it 2001:7f8:c5::a503:5617:1	10.2ms	0%	AS35617	2Bite s.r.l.
5	2a04:e240:0:8::2	10.5ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
6	2a04:e240:0:a::2	20.2ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
7	2a04:e240::1	21.4ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT

tracepath -6

 1?: [LOCALHOST]                        0.034ms pmtu 1500
 1:  no reply
 2:  2a12:d8c0:109f:121::a1                                0.745ms 
 3:  2a12:d8c0:101f:6::1                                  10.307ms 
 4:  2bite.minap.it                                       10.664ms 
 5:  2a04:e240:0:8::2                                     10.773ms asymm  4 
 6:  2a04:e240:0:a::2                                     20.115ms asymm  4 
 7:  2a04:e240::1                                         20.171ms reached
     Resume: pmtu 1500 hops 7 back 4

From SLO host (6connect) echo onlyRFC 4890 ✓

filter likely at: destination AS35617 (AIR2BITE-AS) · min PMTU on path: 1500

4/4

Echo small (56B) 21.9ms

0/4

Echo 1500B (DF) -

yes

Type 1 dest-unreach

443,80

TCP responds on

Path (traceroute + mtr + PTR)

#	IP / PTR	RTT	mtr loss	AS	AS holder
1	fw1-lju.6connect.com 2607:fae0:a000::2	0.5ms	0%*	AS8038	6CONNECT - 6connect, Inc., US
2	*	-	-	-
3	2a03:a100:0:201:1::1	0.8ms	50%	AS56635	XENYA - XENYA inzeniring, proizvodnja in trgovina, d.o.o. Ljubljana, SI
4	e0-1.core1.lju1.he.net 2001:470:1:5be::1	1.9ms	80%	AS6939	HURRICANE - Hurricane Electric LLC, US
5	*	-	-	-
6	port-channel1.core1.zag2.he.net 2001:470:0:2ea::2	4.1ms	50%	AS6939	HURRICANE - Hurricane Electric LLC, US
7	*	-	-	-
8	2bite.minap.it 2001:7f8:c5::a503:5617:1	12.7ms	0%	AS35617	2Bite s.r.l.
9	2a04:e240:0:4::2	12.7ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
10	2a04:e240:0:a::2	21.9ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
11	2a04:e240:0:a::2	22.1ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
12	2a04:e240::1	24.9ms	-	AS35617	AIR2BITE-AS - air2bite s.r.l., IT

Rate-limited ICMPv6: hop 3, hop 4, hop 6 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).

tracepath -6

 1?: [LOCALHOST]                        0.016ms pmtu 9000
 1:  fw1-lju.6connect.com                                  0.502ms 
 1:  fw1-lju.6connect.com                                  0.382ms 
 2:  no reply
 3:  2a03:a100:0:201:1::1                                  0.936ms 
 4:  2a03:a100:0:201:1::1                                  1.003ms pmtu 1500
 4:  no reply
 5:  no reply
 6:  port-channel1.core1.zag2.he.net                       4.288ms 
 7:  no reply
 8:  2bite.minap.it                                       12.917ms 
 9:  2a04:e240:0:4::2                                     12.726ms asymm  8 
10:  2a04:e240:0:a::2                                     22.369ms asymm  8 
11:  2a04:e240:0:a::2                                     22.291ms asymm  8 
12:  2a04:e240::1                                         22.222ms reached
     Resume: pmtu 1500 hops 12 back 8

From SLO host (T-2) openRFC 4890 ✓

filter likely at: (none) · min PMTU on path: 1500

4/4

Echo small (56B) 39.5ms

4/4

Echo 1500B (DF) 39.7ms

yes

Type 1 dest-unreach

443,80

TCP responds on

Path (traceroute + mtr + PTR)

#	IP / PTR	RTT	mtr loss	AS	AS holder
1	*	-	0%*	-
2	2a01:260:1::225	14.1ms	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	14.4ms	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	14.3ms	0%*	AS34779	T-2-AS - T-2, d.o.o., SI
5	hurricane-electric.nikhef.nlsix.net 2001:7f8:13::a500:6939:1	46.8ms	0%	-	NA
6	be1.core2.fra2.he.net 2001:470:e:43::2	50.5ms	50%	AS6939	HURRICANE - Hurricane Electric LLC, US
7	*	-	10%	-
8	*	-	0%	-
9	be1.core1.mil2.he.net 2001:470:e:dd::1	46.3ms	0%	AS6939	HURRICANE - Hurricane Electric LLC, US
10	2bite.minap.it 2001:7f8:c5::a503:5617:1	43.3ms	-	AS35617	2Bite s.r.l.
11	2a04:e240:0:4::2	43.7ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
12	2a04:e240:0:4::2	31.6ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
13	2a04:e240:0:a::2	40.5ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT
14	2a04:e240::1	41.4ms	0%	AS35617	AIR2BITE-AS - air2bite s.r.l., IT

Rate-limited ICMPv6: hop 6, hop 7 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).

tracepath -6

 1?: [LOCALHOST]                        0.077ms pmtu 1500
 1:  2a01:261:313:b814::1                                  1.103ms 
 1:  no reply
 2:  2a01:260:1::225                                       9.748ms 
 3:  2a01-260-1-1--9a.core6.t-2.net                        2.455ms 
 4:  hurricane-electric.nikhef.nlsix.net                  36.032ms 
 5:  hurricane-electric.nikhef.nlsix.net                  34.693ms asymm  4 
 6:  be3.core4.fra1.he.net                                38.840ms asymm  7 
 7:  be10.core1.zrh2.he.net                               43.831ms asymm  8 
 8:  be10.core1.zrh2.he.net                               43.955ms 
 9:  be1.core1.mil2.he.net                                35.804ms asymm  7 
10:  2bite.minap.it                                       32.481ms asymm  7 
11:  2a04:e240:0:4::2                                     33.335ms asymm  7 
12:  2a04:e240:0:a::2                                     42.404ms asymm  7 
13:  2a04:e240::1                                         43.938ms reached
     Resume: pmtu 1500 hops 13 back 7