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): 201
Prefixes Announced (v4): 166
Prefixes Announced (v6): 35

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): 139
BGP Peers Observed (v4): 137
BGP Peers Observed (v6): 78

IPs Originated (v4): 9,984
AS Paths Observed (v4): 3,251
AS Paths Observed (v6): 1,225

Average AS Path Length (all): 4.077
Average AS Path Length (v4): 4.235
Average AS Path Length (v6): 3.656

AS47232 IPv4 Peers

ASN	Name
AS3257	GTT Communications Inc.
AS39392	SH.cz s.r.o.
AS13199	Jaroslav Doubrava
AS201053	Stowarzyszenie e-Poludnie
AS16276	OVH SAS
AS20804	Exatel S.A.
AS6939	Hurricane Electric LLC
AS6461	Zayo Bandwidth
AS16019	Vodafone Czech Republic a.s.
AS24940	Hetzner Online GmbH

AS47232 IPv6 Peers

ASN	Name
AS6939	Hurricane Electric LLC
AS3257	GTT Communications Inc.
AS39392	SH.cz s.r.o.
AS6461	Zayo Bandwidth
AS22356	Durand do Brasil Ltda
AS8218	Zayo Infrastructure France SA
AS20562	Broadband Hosting B.V.
AS50338	GamerHost s.r.o.
AS14840	BR.Digital Telecom

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	GTT Communications Inc.	X	AS3257
2	SH.cz s.r.o.	X	AS39392
3	Jaroslav Doubrava	X	AS13199
4	Stowarzyszenie e-Poludnie		AS201053
5	OVH SAS	X	AS16276
6	Exatel S.A.		AS20804
7	Hurricane Electric LLC	X	AS6939
8	Zayo Bandwidth	X	AS6461
9	Vodafone Czech Republic a.s.		AS16019
10	Hetzner Online GmbH	X	AS24940
11	Slovak Telekom, a.s.		AS6855
12	SWAN, a.s.		AS5578
13	WorldStream B.V.		AS49981
14	Durand do Brasil Ltda	X	AS22356
15	Quantcom, a.s.		AS29208
16	O2 Czech Republic, a.s.		AS5610
17	INTERKVM HOST SRL	X	AS6204
18	Fiord Networks, UAB	X	AS28917
19	Broadband Hosting B.V.	X	AS20562
20	UVT Internet s.r.o.	X	AS35236
21	BR.Digital Telecom	X	AS14840
22	LWLcom GmbH	X	AS50629
23	GamerHost s.r.o.	X	AS50338
24	PODA a.s.		AS30764
25	Euroweb Romania S.R.L.	X	AS6663
26	Bharti Airtel Ltd		AS9498
27	Zayo Infrastructure France SA	X	AS8218
28	GGNET TELECOMUNICACOES LTDA		AS53062
29	Webglobe, s.r.o.	X	AS29134
30	Datacamp Limited	X	AS60068
31	Fiber Telecom S.p.A.	X	AS41327
32	NetIX Communications JSC	X	AS57463
33	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
34	Dragon Internet a.s.		AS15614
35	eHAMnet, s.r.o.		AS44712
36	Open X Tecnologia Ltda	X	AS263444
37	Huge Solucoes Corporativas Ltda		AS264409
38	ISP Alliance a.s.	X	AS210712
39	Jiri Tlapak		AS39455
40	O2 Czech Republic, a.s.		AS12570
41	Edera Group a.s.		AS42306
42	OMONIA		AS44306
43	CEZNET s.r.o.	X	AS204064
44	DPT s.r.o.		AS210139
45	Rocket Fibre Ltd	X	AS8801
46	Warnet.cz s.r.o.	X	AS47727
47	AVONET, s.r.o.	X	AS20723
48	Seznam.cz, a.s.		AS43037
49	Nessus GmbH		AS47692
50	SG.GS	X	AS24482
51	IX Reach Ltd	X	AS4455
52	Wobcom GmbH	X	AS9136
53	Netia SA		AS12741
54	Bytedance Inc.		AS396986
55	SATT a.s.	X	AS56566
56	Kabel-TV Lampert GmbH & Co KG	X	AS59890
57	Vlasimnet s.r.o.	X	AS44500
58	Rychly drat, s.r.o.	X	AS202618
59	ECOMP spol s r.o.	X	AS207886
60	Martin Fryzl		AS208847
61	Axclusive	X	AS132337
62	ISP Alliance a.s.		AS52084
63	GiTy, a.s.		AS29086
64	Telehouse EAD		AS57344
65	M247 Europe SRL		AS9009
66	NETPLANET GmbH		AS24953
67	Rtyne.net s.r.o.		AS56624
68	Convergenze S.p.A.	X	AS39120
69	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation		AS35369
70	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
71	Novelcomm LP	X	AS206735
72	ISP Alliance a.s.		AS201464
73	ISP Alliance a.s.	X	AS197393
74	Zain Omantel International FZ-LLC	X	AS8529
75	Telco Pro Services, a. s.		AS39791
76	Fonira Telekom GmbH	X	AS51184
77	NetActuate, Inc	X	AS36236
78	AB-NET s.r.o.		AS57077
79	CUBESOL, s.r.o.	X	AS205002
80	ISP Alliance a.s.	X	AS202774
81	1&1 Versatel GmbH		AS8881
82	BMB-Green s.r.o.	X	AS206951
83	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
84	Akamai International B.V.		AS20940
85	Ahosting a.s.	X	AS50415
86	Valve Corporation	X	AS32590
87	Lancom Ltd.	X	AS199081
88	SIACOM JSC	X	AS198150
89	United Networks SE	X	AS201625
90	TurkNet Iletisim Hizmetleri A.S.		AS12735
91	Sauron CZ s.r.o.		AS57279
92	JHComp s.r.o.	X	AS50971
93	MC-IX Matrix Internet Exchange RS-1		AS55818
94	Oslavany.NET, spolek		AS199405
95	Martin Vicenik		AS34955
96	ISP Alliance a.s.	X	AS201476
97	Beyond.pl sp. z o.o.		AS31229
98	ISP Alliance a.s.		AS202131
99	Jiri Tlapak	X	AS204666
100	Sys-DataCom s.r.o.	X	AS44002
101	Telemach Slovenija d.o.o.	X	AS3212
102	PODA a.s.		AS196735
103	Zenlayer Inc		AS4229
104	VEJNET.CZ s.r.o.	X	AS202877
105	Skylon Solutions Limited		AS202297
106	UAB "Bite Lietuva"		AS13194
107	STARNET, s.r.o.		AS44489
108	CEZNET s.r.o.	X	AS201654
109	Altnet s.r.o.	X	AS50163
110	ARISTO NETWORKS LTD		AS216265
111	Virtual Technologies & Solutions	X	AS37721
112	OMEGA plus Chrudim s.r.o.	X	AS35046
113	TeamCity s.r.o.	X	AS212975
114	SPOJE.NET s.r.o.	X	AS51400
115	Join-stock company "Internet Exchange"MSK-IX"		AS44522
116	Freenet Liberec, z.s.	X	AS29504
117	MasterDC s.r.o.		AS24971
118	Atman Sp. z o.o.		AS15694
119	Miroslav Klement		AS60529
120	Microsoft Corporation		AS8075
121	HelaPC s.r.o.	X	AS197879
122	A1 Telekom Austria AG		AS8447
123	DOBNET, z.s.	X	AS209621
124	TRIOPTIMUM s.r.o.	X	AS33883
125	United Networks SE	X	AS201559
126	GTT Communications Inc.	X	AS286
127	United Networks SE		AS201533
128	Hohl IT e.U.	X	AS40994
129	i3D.net B.V	X	AS49544
130	United Networks SE	X	AS197296
131	PRO-ZETA a.s.		AS49025
132	Inovare-Prim SRL	X	AS60602
133	Neterra Ltd.		AS34224
134	NIX.CZ z.s.p.o.	X	AS6881
135	ALPHA StylSoft, s.r.o.	X	AS198814
136	CC INTERNET s.r.o.		AS202921
137	Apple Inc.		AS714

Rank	Description	IPv4	Peer
1	Hurricane Electric LLC	X	AS6939
2	GTT Communications Inc.	X	AS3257
3	SH.cz s.r.o.	X	AS39392
4	Zayo Bandwidth	X	AS6461
5	Durand do Brasil Ltda	X	AS22356
6	Zayo Infrastructure France SA	X	AS8218
7	Broadband Hosting B.V.	X	AS20562
8	GamerHost s.r.o.	X	AS50338
9	BR.Digital Telecom	X	AS14840
10	UVT Internet s.r.o.	X	AS35236
11	INTERKVM HOST SRL	X	AS6204
12	LWLcom GmbH	X	AS50629
13	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
14	Datacamp Limited	X	AS60068
15	AVONET, s.r.o.	X	AS20723
16	SPOJE.NET s.r.o.	X	AS51400
17	OMEGA plus Chrudim s.r.o.	X	AS35046
18	TRIOPTIMUM s.r.o.	X	AS33883
19	Webglobe, s.r.o.	X	AS29134
20	Jiri Tlapak	X	AS204666
21	Fiber Telecom S.p.A.	X	AS41327
22	CEZNET s.r.o.	X	AS201654
23	Rocket Fibre Ltd	X	AS8801
24	Convergenze S.p.A.	X	AS39120
25	Virtual Technologies & Solutions	X	AS37721
26	TeamCity s.r.o.	X	AS212975
27	Valve Corporation	X	AS32590
28	ALPHA StylSoft, s.r.o.	X	AS198814
29	IX Reach Ltd	X	AS4455
30	SATT a.s.	X	AS56566
31	NIX.CZ z.s.p.o.	X	AS6881
32	NetIX Communications JSC	X	AS57463
33	ISP Alliance a.s.	X	AS202774
34	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
35	NetActuate, Inc	X	AS36236
36	Zain Omantel International FZ-LLC	X	AS8529
37	Warnet.cz s.r.o.	X	AS47727
38	ISP Alliance a.s.	X	AS197393
39	Sys-DataCom s.r.o.	X	AS44002
40	United Networks SE	X	AS201625
41	DOBNET, z.s.	X	AS209621
42	Axclusive	X	AS132337
43	United Networks SE	X	AS201559
44	Freenet Liberec, z.s.	X	AS29504
45	GTT Communications Inc.	X	AS286
46	JHComp s.r.o.	X	AS50971
47	Fonira Telekom GmbH	X	AS51184
48	ISP Alliance a.s.	X	AS201476
49	Inovare-Prim SRL	X	AS60602
50	VEJNET.CZ s.r.o.	X	AS202877
51	Open X Tecnologia Ltda	X	AS263444
52	Windyghoul s.r.o.		AS205535
53	Altnet s.r.o.	X	AS50163
54	OVH SAS	X	AS16276
55	CUBESOL, s.r.o.	X	AS205002
56	SIACOM JSC	X	AS198150
57	HelaPC s.r.o.	X	AS197879
58	Kabel-TV Lampert GmbH & Co KG	X	AS59890
59	Vlasimnet s.r.o.	X	AS44500
60	Lancom Ltd.	X	AS199081
61	Fiord Networks, UAB	X	AS28917
62	Hetzner Online GmbH	X	AS24940
63	Rychly drat, s.r.o.	X	AS202618
64	BMB-Green s.r.o.	X	AS206951
65	ECOMP spol s r.o.	X	AS207886
66	Ahosting a.s.	X	AS50415
67	Wobcom GmbH	X	AS9136
68	CEZNET s.r.o.	X	AS204064
69	wilhelm.tel GmbH		AS15943
70	United Networks SE	X	AS197296
71	Telemach Slovenija d.o.o.	X	AS3212
72	Novelcomm LP	X	AS206735
73	Euroweb Romania S.R.L.	X	AS6663
74	Jaroslav Doubrava	X	AS13199
75	Hohl IT e.U.	X	AS40994
76	ISP Alliance a.s.	X	AS210712
77	i3D.net B.V	X	AS49544
78	SG.GS	X	AS24482

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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	91.210.16.143 91.210.16.109	2001:7f8:14::33:2 2001:7f8:14::33:1
Peering.cz	CZ	Prague	185.0.20.23 185.0.20.22	2001:7f8:7f::22 2001:7f8:7f::23

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