AS47232 ISP Alliance a.s.

Company Website:

http://www.ispalliance.cz

Looking Glass:

https://bgp.he.net/lg/47232

Country of Origin:

Internet Exchanges: 2

Prefixes Originated (all): 16
Prefixes Originated (v4): 10
Prefixes Originated (v6): 6

Prefixes Announced (all): 203
Prefixes Announced (v4): 160
Prefixes Announced (v6): 43

RPKI Originated Valid (all): 12
RPKI Originated Valid (v4): 6
RPKI Originated Valid (v6): 6

RPKI Originated Invalid (all): 0
RPKI Originated Invalid (v4): 0
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 127
BGP Peers Observed (v4): 125
BGP Peers Observed (v6): 76

IPs Originated (v4): 9,984
AS Paths Observed (v4): 3,033
AS Paths Observed (v6): 1,198

Average AS Path Length (all): 3.950
Average AS Path Length (v4): 4.101
Average AS Path Length (v6): 3.570

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AS47232 IPv4 Peers

ASN	Name
AS1299	Arelion Sweden AB
AS13199	Jaroslav Doubrava
AS201053	Stowarzyszenie e-Poludnie
AS16276	OVH SAS
AS20804	Exatel S.A.
AS3257	GTT Communications Inc.
AS6939	Hurricane Electric LLC
AS6461	Zayo Bandwidth
AS39392	SH.cz s.r.o.
AS16019	Vodafone Czech Republic a.s.

AS47232 IPv6 Peers

ASN	Name
AS6939	Hurricane Electric LLC
AS1299	Arelion Sweden AB
AS3257	GTT Communications Inc.
AS39392	SH.cz s.r.o.
AS6461	Zayo Bandwidth
AS8218	Zayo Infrastructure France SA
AS22356	Durand do Brasil Ltda
AS20562	Broadband Hosting B.V.
AS35236	UVT Internet s.r.o.
AS6204	INTERKVM HOST SRL

AS47232 IPv4 Peer Count

AS47232 IPv6 Peer Count

AS47232 IPv4 Prefixes Announced

AS47232 IPv6 Prefixes Announced

AS47232 IPv4 Prefixes Originated

AS47232 IPv6 Prefixes Originated

AS47232 IPv4 Route Propagation

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AS47232 IPv6 Route Propagation

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Prefix	Description	Visibility
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Prefix	Description
5.39.200.0/23	ISP Alliance a.s.
46.29.224.0/21	ISP Alliance a.s.
78.111.112.0/20	ISP Alliance a.s.
94.140.25.0/24	HelaPC s.r.o.
148.59.93.0/24	HelaPC s.r.o.
185.15.108.0/22	ISP Alliance a.s.
185.52.172.0/24	ISP Alliance a.s.
185.151.171.0/24	ISP Alliance
193.107.160.0/22	MACOnet s. r. o.
195.26.25.0/24	Omcom s.r.o.

Prefix	Description	Visibility
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Prefix	Description
2a02:17a0::/29	ISP Alliance a.s.
2a02:17a0:d000::/36	ISP Alliance
2a03:2a80::/29	ISP Alliance a.s.
2a03:2a82::/31	ISP Alliance a.s.
2a04:7bc0::/29	ISP Alliance a.s.
2a04:7bc7::/32	ISP Alliance

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Arelion Sweden AB	X	AS1299
2	Jaroslav Doubrava	X	AS13199
3	Stowarzyszenie e-Poludnie		AS201053
4	OVH SAS	X	AS16276
5	Exatel S.A.		AS20804
6	GTT Communications Inc.	X	AS3257
7	Hurricane Electric LLC	X	AS6939
8	Zayo Bandwidth	X	AS6461
9	SH.cz s.r.o.	X	AS39392
10	Vodafone Czech Republic a.s.		AS16019
11	Hetzner Online GmbH	X	AS24940
12	Slovak Telekom, a.s.		AS6855
13	WorldStream B.V.		AS49981
14	SWAN, a.s.		AS5578
15	Durand do Brasil Ltda	X	AS22356
16	Quantcom, a.s.		AS29208
17	O2 Czech Republic, a.s.		AS5610
18	Fiord Networks, UAB	X	AS28917
19	INTERKVM HOST SRL	X	AS6204
20	Broadband Hosting B.V.	X	AS20562
21	UVT Internet s.r.o.	X	AS35236
22	Huge Solucoes Corporativas Ltda	X	AS264409
23	GGNET TELECOMUNICACOES LTDA		AS53062
24	LWLcom GmbH	X	AS50629
25	BR.Digital Telecom	X	AS14840
26	Bharti Airtel Ltd		AS9498
27	Zayo Infrastructure France SA	X	AS8218
28	PODA a.s.		AS30764
29	OMEGA plus Chrudim s.r.o.	X	AS35046
30	Euroweb Romania S.R.L.	X	AS6663
31	Webglobe, s.r.o.	X	AS29134
32	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
33	Dragon Internet a.s.		AS15614
34	MC-IX Matrix Internet Exchange RS-1		AS55818
35	Fiber Telecom S.p.A.	X	AS41327
36	i3D.net B.V	X	AS49544
37	eHAMnet, s.r.o.		AS44712
38	Seznam.cz, a.s.		AS43037
39	AVONET, s.r.o.	X	AS20723
40	SG.GS	X	AS24482
41	Rocket Fibre Ltd	X	AS8801
42	Wobcom GmbH	X	AS9136
43	CEZNET s.r.o.	X	AS204064
44	OMONIA d.o.o.		AS44306
45	Jiri Tlapak		AS39455
46	ISP Alliance a.s.	X	AS210712
47	Nessus GmbH		AS47692
48	Edera Group a.s.		AS42306
49	DPT s.r.o.		AS210139
50	O2 Czech Republic, a.s.		AS12570
51	ARISTO NETWORKS LTD		AS216265
52	SPOJE.NET s.r.o.	X	AS51400
53	IX Reach Ltd	X	AS4455
54	Warnet.cz s.r.o.	X	AS47727
55	HelaPC s.r.o.	X	AS197879
56	UAB "Bite Lietuva"		AS13194
57	ISP Alliance a.s.	X	AS201476
58	Hohl IT e.U.	X	AS40994
59	MasterDC s.r.o.		AS24971
60	Telehouse EAD		AS57344
61	Novelcomm LP	X	AS206735
62	Oslavany.NET, spolek		AS199405
63	ISP Alliance a.s.		AS202131
64	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation		AS35369
65	Martin Fryzl		AS208847
66	Open X Tecnologia Ltda	X	AS263444
67	Kabel-TV Lampert GmbH & Co KG	X	AS59890
68	Inovare-Prim SRL	X	AS60602
69	CC INTERNET s.r.o.		AS202921
70	BMB-Green s.r.o.	X	AS206951
71	SIACOM JSC	X	AS198150
72	United Networks SE	X	AS201625
73	Valve Corporation	X	AS32590
74	Skylon Solutions Limited		AS202297
75	NetIX Communications JSC		AS57463
76	ISP Alliance a.s.	X	AS202774
77	ISP Alliance a.s.		AS201464
78	Convergenze S.p.A.	X	AS39120
79	ISP Alliance a.s.	X	AS197393
80	AB-NET s.r.o.		AS57077
81	TurkNet Iletisim Hizmetleri A.S.		AS12735
82	ALPHA StylSoft, s.r.o.	X	AS198814
83	NIX.CZ z.s.p.o.	X	AS6881
84	Jiri Tlapak	X	AS204666
85	TRIOPTIMUM s.r.o.	X	AS33883
86	GTT Communications Inc.	X	AS286
87	Telemach Slovenija d.o.o.	X	AS3212
88	Axclusive	X	AS132337
89	Virtual Technologies & Solutions	X	AS37721
90	JHComp s.r.o.	X	AS50971
91	Fonira Telekom GmbH	X	AS51184
92	TeamCity s.r.o.	X	AS212975
93	Ahosting a.s.	X	AS50415
94	A1 Telekom Austria AG		AS8447
95	ISP Alliance a.s.		AS52084
96	1&1 Versatel GmbH		AS8881
97	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
98	Lancom Ltd.	X	AS199081
99	CUBESOL, s.r.o.	X	AS205002
100	VEJNET.CZ s.r.o.	X	AS202877
101	CTGNet		AS23764
102	Sys-DataCom s.r.o.	X	AS44002
103	United Networks SE	X	AS197296
104	Atman Sp. z o.o.		AS15694
105	Martin Vicenik		AS34955
106	M247 Europe SRL		AS9009
107	PRO-ZETA a.s.		AS49025
108	NetActuate, Inc	X	AS36236
109	NETPLANET GmbH		AS24953
110	Neterra Ltd.		AS34224
111	Rychly drat, s.r.o.	X	AS202618
112	United Networks SE		AS201533
113	DavidFiala	X	AS44500
114	Miroslav Klement		AS60529
115	SATT a.s.	X	AS56566
116	Rtyne.net s.r.o.		AS56624
117	DOBNET, z.s.	X	AS209621
118	Netia SA		AS12741
119	ECOMP spol s r.o.	X	AS207886
120	Windyghoul s.r.o.	X	AS205535
121	Sauron CZ s.r.o.		AS57279
122	PODA a.s.		AS196735
123	Freenet Liberec, z.s.	X	AS29504
124	United Networks SE	X	AS201559
125	Altnet s.r.o.	X	AS50163

Rank	Description	IPv4	Peer
1	Hurricane Electric LLC	X	AS6939
2	Arelion Sweden AB	X	AS1299
3	GTT Communications Inc.	X	AS3257
4	SH.cz s.r.o.	X	AS39392
5	Zayo Bandwidth	X	AS6461
6	Zayo Infrastructure France SA	X	AS8218
7	Durand do Brasil Ltda	X	AS22356
8	Broadband Hosting B.V.	X	AS20562
9	UVT Internet s.r.o.	X	AS35236
10	INTERKVM HOST SRL	X	AS6204
11	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
12	LWLcom GmbH	X	AS50629
13	Huge Solucoes Corporativas Ltda	X	AS264409
14	TRIOPTIMUM s.r.o.	X	AS33883
15	AVONET, s.r.o.	X	AS20723
16	BR.Digital Telecom	X	AS14840
17	Fiber Telecom S.p.A.	X	AS41327
18	SPOJE.NET s.r.o.	X	AS51400
19	i3D.net B.V	X	AS49544
20	Webglobe, s.r.o.	X	AS29134
21	OMEGA plus Chrudim s.r.o.	X	AS35046
22	Jiri Tlapak	X	AS204666
23	NetActuate, Inc	X	AS36236
24	Open X Tecnologia Ltda	X	AS263444
25	United Networks SE	X	AS201625
26	Wobcom GmbH	X	AS9136
27	Rychly drat, s.r.o.	X	AS202618
28	Hetzner Online GmbH	X	AS24940
29	Euroweb Romania S.R.L.	X	AS6663
30	CEZNET s.r.o.	X	AS204064
31	ISP Alliance a.s.	X	AS201476
32	Inovare-Prim SRL	X	AS60602
33	Sys-DataCom s.r.o.	X	AS44002
34	Rocket Fibre Ltd	X	AS8801
35	United Networks SE	X	AS201559
36	DavidFiala	X	AS44500
37	SATT a.s.	X	AS56566
38	Altnet s.r.o.	X	AS50163
39	VEJNET.CZ s.r.o.	X	AS202877
40	Warnet.cz s.r.o.	X	AS47727
41	JHComp s.r.o.	X	AS50971
42	DOBNET, z.s.	X	AS209621
43	OVH SAS	X	AS16276
44	Zain Omantel International FZ-LLC		AS8529
45	ALPHA StylSoft, s.r.o.	X	AS198814
46	Fiord Networks, UAB	X	AS28917
47	ISP Alliance a.s.	X	AS197393
48	Convergenze S.p.A.	X	AS39120
49	United Networks SE	X	AS197296
50	SG.GS	X	AS24482
51	Freenet Liberec, z.s.	X	AS29504
52	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
53	NIX.CZ z.s.p.o.	X	AS6881
54	Lancom Ltd.	X	AS199081
55	ISP Alliance a.s.	X	AS210712
56	Virtual Technologies & Solutions	X	AS37721
57	Axclusive	X	AS132337
58	CUBESOL, s.r.o.	X	AS205002
59	ECOMP spol s r.o.	X	AS207886
60	TeamCity s.r.o.	X	AS212975
61	Fonira Telekom GmbH	X	AS51184
62	Windyghoul s.r.o.	X	AS205535
63	Kabel-TV Lampert GmbH & Co KG	X	AS59890
64	Telemach Slovenija d.o.o.	X	AS3212
65	Valve Corporation	X	AS32590
66	Hohl IT e.U.	X	AS40994
67	HelaPC s.r.o.	X	AS197879
68	GTT Communications Inc.	X	AS286
69	ISP Alliance a.s.	X	AS202774
70	IX Reach Ltd	X	AS4455
71	SIACOM JSC	X	AS198150
72	BMB-Green s.r.o.	X	AS206951
73	Novelcomm LP	X	AS206735
74	Jaroslav Doubrava	X	AS13199
75	wilhelm.tel GmbH		AS15943
76	Ahosting a.s.	X	AS50415

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RIPE

aut-num: AS47232 as-name: ISPAlliance org: ORG-GSa22-RIPE import: from AS21430 accept ANY import: from AS29208 accept ANY import: from AS197296 accept ANY import: from AS56624 accept ANY import: from AS49767 accept ANY import: from AS39392 accept ANY import: from AS35046 accept ANY import: from AS200059 accept ANY import-via: AS6777 from AS-ANY accept ANY export: to AS29208 announce AS-ISPALLIANCE-CZ export: to AS197296 announce ANY export: to AS56624 announce ANY export: to AS49767 announce ANY export: to AS39392 announce ANY export: to AS35046 announce ANY export: to AS200059 announce ANY export-via: AS6777 to AS-ANY announce AS-ISPALLIANCE-CZ remarks: This ASN is used for residential broadband ISPs services. remarks: ---------------------------------------------------------------------- remarks: TRANSIT IMPORT mp-import: afi any.unicast from AS47232:AS-TRANSIT accept ANY remarks: remarks: EXCHANGE POINTS IMPORT mp-import: afi any.unicast from AS47232:AS-IX accept ANY remarks: remarks: CUSTOMERS IMPORT mp-import: afi any.unicast from AS47232:AS-CUSTOMERS accept PeerAS remarks: ---------------------------------------------------------------------- remarks: remarks: ---------------------------------------------------------------------- remarks: TRANSIT EXPORT mp-export: afi any.unicast to AS47232:AS-TRANSIT announce AS-ISPALLIANCE-CZ remarks: remarks: EXCHANGE POINTS EXPORT mp-export: afi any.unicast to AS47232:AS-IX announce AS-ISPALLIANCE-CZ remarks: remarks: CUSTOMERS EXPORT mp-export: afi any.unicast to AS47232:AS-CUSTOMERS announce ANY remarks: ---------------------------------------------------------------------- remarks: admin-c: DUMY-RIPE tech-c: DUMY-RIPE status: ASSIGNED notify: ruzicka@grapesc.cz mnt-by: RIPE-NCC-END-MNT mnt-by: MNT-GRAPESC created: 2008-05-21T13:49:01Z last-modified: 2026-05-29T05:07:46Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: ****************************

Exchange	CC	City	IPv4	IPv6
NIX.CZ	CZ	Prague	91.210.16.109 91.210.16.143	2001:7f8:14::33:2 2001:7f8:14::33:1
Peering.cz	CZ	Prague	185.0.20.22 185.0.20.23	2001:7f8:7f::22 2001:7f8:7f::23

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