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): 209
Prefixes Announced (v4): 166
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): 131
BGP Peers Observed (v4): 129
BGP Peers Observed (v6): 77

IPs Originated (v4): 9,984
AS Paths Observed (v4): 3,271
AS Paths Observed (v6): 1,196

Average AS Path Length (all): 4.085
Average AS Path Length (v4): 4.249
Average AS Path Length (v6): 3.637

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
AS14840	BR.Digital Telecom
AS50338	GamerHost s.r.o.
AS35236	UVT Internet s.r.o.
AS20562	Broadband Hosting B.V.

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	Euroweb Romania S.R.L.	X	AS6663
22	BR.Digital Telecom	X	AS14840
23	LWLcom GmbH	X	AS50629
24	GamerHost s.r.o.	X	AS50338
25	PODA a.s.		AS30764
26	Bharti Airtel Ltd		AS9498
27	Webglobe, s.r.o.	X	AS29134
28	GGNET TELECOMUNICACOES LTDA		AS53062
29	Dragon Internet a.s.		AS15614
30	Fiber Telecom S.p.A.	X	AS41327
31	NetIX Communications JSC	X	AS57463
32	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
33	Edera Group a.s.		AS42306
34	OMONIA		AS44306
35	AVONET, s.r.o.	X	AS20723
36	DPT s.r.o.		AS210139
37	CEZNET s.r.o.	X	AS204064
38	ISP Alliance a.s.	X	AS210712
39	IX Reach Ltd	X	AS4455
40	Huge Solucoes Corporativas Ltda		AS264409
41	Nessus GmbH		AS47692
42	Rocket Fibre Ltd	X	AS8801
43	O2 Czech Republic, a.s.		AS12570
44	eHAMnet, s.r.o.		AS44712
45	Warnet.cz s.r.o.	X	AS47727
46	PODA a.s.		AS196735
47	ARISTO NETWORKS LTD		AS216265
48	Seznam.cz, a.s.		AS43037
49	Wobcom GmbH	X	AS9136
50	SG.GS	X	AS24482
51	Open X Tecnologia Ltda	X	AS263444
52	Jiri Tlapak		AS39455
53	MasterDC s.r.o.		AS24971
54	Convergenze S.p.A.	X	AS39120
55	SIACOM JSC	X	AS198150
56	NETPLANET GmbH		AS24953
57	VEJNET.CZ s.r.o.	X	AS202877
58	TeamCity s.r.o.	X	AS212975
59	CEZNET s.r.o.	X	AS201654
60	Inovare-Prim SRL	X	AS60602
61	TurkNet Iletisim Hizmetleri A.S.		AS12735
62	M247 Europe SRL		AS9009
63	Altnet s.r.o.	X	AS50163
64	Join-stock company "Internet Exchange"MSK-IX"		AS44522
65	Lancom Ltd.	X	AS199081
66	1&1 Versatel GmbH		AS8881
67	Axclusive	X	AS132337
68	SPOJE.NET s.r.o.	X	AS51400
69	CC INTERNET s.r.o.		AS202921
70	Freenet Liberec, z.s.	X	AS29504
71	Miroslav Klement		AS60529
72	Ahosting a.s.	X	AS50415
73	Oslavany.NET, spolek		AS199405
74	Virtual Technologies & Solutions	X	AS37721
75	United Networks SE	X	AS197296
76	ISP Alliance a.s.		AS201464
77	Beyond.pl sp. z o.o.		AS31229
78	BMB-Green s.r.o.	X	AS206951
79	Novelcomm LP	X	AS206735
80	ECOMP spol s r.o.	X	AS207886
81	Sauron CZ s.r.o.		AS57279
82	STARNET, s.r.o.		AS44489
83	Valve Corporation	X	AS32590
84	i3D.net B.V	X	AS49544
85	Hohl IT e.U.	X	AS40994
86	ISP Alliance a.s.	X	AS197393
87	CUBESOL, s.r.o.	X	AS205002
88	Zayo Infrastructure France SA	X	AS8218
89	ISP Alliance a.s.	X	AS201476
90	MC-IX Matrix Internet Exchange RS-1		AS55818
91	SATT a.s.	X	AS56566
92	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation		AS35369
93	Martin Fryzl		AS208847
94	ISP Alliance a.s.		AS202131
95	United Networks SE	X	AS201559
96	Rychly drat, s.r.o.	X	AS202618
97	PRO-ZETA a.s.		AS49025
98	AB-NET s.r.o.		AS57077
99	TRIOPTIMUM s.r.o.	X	AS33883
100	Atman Sp. z o.o.		AS15694
101	Zenlayer Inc		AS4229
102	OMEGA plus Chrudim s.r.o.	X	AS35046
103	Jiri Tlapak	X	AS204666
104	ISP Alliance a.s.	X	AS202774
105	GTT Communications Inc.	X	AS286
106	Rtyne.net s.r.o.		AS56624
107	HelaPC s.r.o.	X	AS197879
108	Netia SA		AS12741
109	ISP Alliance a.s.		AS52084
110	Zain Omantel International FZ-LLC	X	AS8529
111	Fonira Telekom GmbH	X	AS51184
112	NetActuate, Inc	X	AS36236
113	Neterra Ltd.		AS34224
114	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
115	JHComp s.r.o.	X	AS50971
116	A1 Telekom Austria AG		AS8447
117	Telehouse EAD		AS57344
118	PletX GmbH		AS62403
119	Skylon Solutions Limited		AS202297
120	Kabel-TV Lampert GmbH & Co KG	X	AS59890
121	Sys-DataCom s.r.o.	X	AS44002
122	United Networks SE	X	AS201625
123	United Networks SE		AS201533
124	ALPHA StylSoft, s.r.o.	X	AS198814
125	Martin Vicenik		AS34955
126	Telemach Slovenija d.o.o.	X	AS3212
127	NIX.CZ z.s.p.o.	X	AS6881
128	Vlasimnet s.r.o.	X	AS44500
129	DOBNET, z.s.	X	AS209621

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

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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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