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): 165
Prefixes Announced (v6): 44

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): 134
BGP Peers Observed (v4): 131
BGP Peers Observed (v6): 75

IPs Originated (v4): 9,984
AS Paths Observed (v4): 3,577
AS Paths Observed (v6): 1,111

Average AS Path Length (all): 4.023
Average AS Path Length (v4): 4.170
Average AS Path Length (v6): 3.551

AS47232 IPv4 Peers

ASN	Name
AS174	Cogent Communications, LLC
AS1299	Arelion Sweden AB
AS39392	SH.cz s.r.o.
AS13199	Jaroslav Doubrava
AS201053	Stowarzyszenie e-Poludnie
AS20804	Exatel S.A.
AS16276	OVH SAS
AS6939	Hurricane Electric LLC
AS6461	Zayo Bandwidth
AS16019	Vodafone Czech Republic a.s.

AS47232 IPv6 Peers

ASN	Name
AS6939	Hurricane Electric LLC
AS174	Cogent Communications, LLC
AS39392	SH.cz s.r.o.
AS1299	Arelion Sweden AB
AS6461	Zayo Bandwidth
AS8218	Zayo Infrastructure France SA
AS14840	BR.Digital Telecom
AS20562	Broadband Hosting B.V.
AS35236	UVT Internet s.r.o.

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
Loading Prefixes...

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	Cogent Communications, LLC	X	AS174
2	Arelion Sweden AB	X	AS1299
3	SH.cz s.r.o.	X	AS39392
4	Jaroslav Doubrava	X	AS13199
5	Stowarzyszenie e-Poludnie		AS201053
6	Exatel S.A.		AS20804
7	OVH SAS	X	AS16276
8	Hurricane Electric LLC	X	AS6939
9	Zayo Bandwidth	X	AS6461
10	Vodafone Czech Republic a.s.		AS16019
11	Hetzner Online GmbH	X	AS24940
12	Slovak Telekom, a.s.		AS6855
13	Durand do Brasil Ltda	X	AS22356
14	WorldStream B.V.		AS49981
15	SWAN, a.s.		AS5578
16	Quantcom, a.s.		AS29208
17	O2 Czech Republic, a.s.		AS5610
18	INTERKVM HOST SRL	X	AS6204
19	BR.Digital Telecom	X	AS14840
20	LWLcom GmbH	X	AS50629
21	Euroweb Romania S.R.L.	X	AS6663
22	Fiord Networks, UAB	X	AS28917
23	UVT Internet s.r.o.	X	AS35236
24	Broadband Hosting B.V.	X	AS20562
25	PODA a.s.		AS30764
26	Bharti Airtel Ltd		AS9498
27	Fiber Telecom S.p.A.	X	AS41327
28	Datacamp Limited	X	AS60068
29	Webglobe, s.r.o.	X	AS29134
30	Zayo Infrastructure France SA	X	AS8218
31	ARISTO NETWORKS LTD		AS216265
32	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
33	ALT \| GRUPO BRASIL TECPAR		AS53062
34	Dragon Internet a.s.		AS15614
35	NetIX Communications JSC		AS57463
36	GRUPO YAX		AS264409
37	AVONET, s.r.o.	X	AS20723
38	Seznam.cz, a.s.		AS43037
39	Edera Group a.s.		AS42306
40	DPT s.r.o.		AS210139
41	Nessus GmbH		AS47692
42	ISP Alliance a.s.	X	AS210712
43	SG.GS	X	AS24482
44	MasterDC s.r.o.		AS24971
45	O2 Czech Republic, a.s.		AS12570
46	Zain Omantel International FZ-LLC	X	AS8529
47	Rocket Fibre Ltd	X	AS8801
48	SPOJE.NET s.r.o.	X	AS51400
49	Wobcom GmbH	X	AS9136
50	CEZNET s.r.o.	X	AS204064
51	eHAMnet, s.r.o.		AS44712
52	NIXCZ_RS		AS47200
53	Jiri Tlapak		AS39455
54	Convergenze S.p.A.	X	AS39120
55	IX Reach Ltd	X	AS4455
56	OMONIA d.o.o.		AS44306
57	Netia SA		AS12741
58	VEJNET.CZ s.r.o.	X	AS202877
59	TRIOPTIMUM s.r.o.	X	AS33883
60	Cogent Communications, LLC		AS1239
61	ISP Alliance a.s.	X	AS201476
62	Warnet.cz s.r.o.	X	AS47727
63	Rychly drat, s.r.o.	X	AS202618
64	A1 Telekom Austria AG		AS8447
65	CUBESOL, s.r.o.	X	AS205002
66	United Networks SE	X	AS197296
67	Viva Armenia CJSC		AS43733
68	Join-stock company "Internet Exchange"MSK-IX"		AS44522
69	STARNET, s.r.o.		AS44489
70	Sys-DataCom s.r.o.	X	AS44002
71	DavidFiala	X	AS44500
72	ALPHA StylSoft, s.r.o.	X	AS198814
73	Inovare-Prim SRL	X	AS60602
74	ISP Alliance a.s.	X	AS197393
75	Freenet Liberec, z.s.	X	AS29504
76	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation		AS35369
77	Ahosting a.s.	X	AS50415
78	DOBNET, z.s.	X	AS209621
79	United Networks SE	X	AS201559
80	United Networks SE	X	AS201625
81	SIACOM JSC	X	AS198150
82	Oslavany.NET, spolek		AS199405
83	ISP Alliance a.s.		AS202131
84	MC-IX Matrix Internet Exchange RS-1		AS55818
85	Open X Tecnologia Ltda	X	AS263444
86	BMB-Green s.r.o.	X	AS206951
87	TeamCity s.r.o.	X	AS212975
88	Miroslav Klement		AS60529
89	NIX.CZ z.s.p.o.	X	AS6881
90	Jiri Tlapak	X	AS204666
91	Sauron CZ s.r.o.		AS57279
92	Martin Fryzl		AS208847
93	Valve Corporation	X	AS32590
94	i3D.net B.V	X	AS49544
95	ECOMP spol s r.o.	X	AS207886
96	Virtual Technologies & Solutions	X	AS37721
97	Fonira Telekom GmbH	X	AS51184
98	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
99	Neterra Ltd.		AS34224
100	PRO-ZETA a.s.		AS49025
101	Zenlayer Inc		AS4229
102	JON.CZ s.r.o.		AS196735
103	Altnet s.r.o.	X	AS50163
104	1&1 Versatel GmbH		AS8881
105	CEZNET s.r.o.	X	AS201654
106	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
107	TurkNet Iletisim Hizmetleri A.S.		AS12735
108	CC INTERNET s.r.o.		AS202921
109	JHComp s.r.o.	X	AS50971
110	Martin Vicenik		AS34955
111	United Networks SE		AS201533
112	Kabel-TV Lampert GmbH & Co KG	X	AS59890
113	Skylon Solutions Limited		AS202297
114	Novelcomm LP	X	AS206735
115	UAB "Bite Lietuva"		AS13194
116	NETPLANET GmbH		AS24953
117	SATT a.s.	X	AS56566
118	Hohl IT e.U.	X	AS40994
119	Telehouse EAD		AS57344
120	Rtyne.net s.r.o.		AS56624
121	M247 Europe SRL		AS9009
122	ISP Alliance a.s.		AS201464
123	HelaPC s.r.o.	X	AS197879
124	Axclusive	X	AS132337
125	AB-NET s.r.o.		AS57077
126	Telemach Slovenija d.o.o.		AS3212
127	NetActuate, Inc	X	AS36236
128	ISP Alliance a.s.	X	AS202774
129	ISP Alliance a.s.		AS52084
130	Dataline LLC		AS35297
131	OMEGA plus Chrudim s.r.o.	X	AS35046

Rank	Description	IPv4	Peer
1	Hurricane Electric LLC	X	AS6939
2	Cogent Communications, LLC	X	AS174
3	SH.cz s.r.o.	X	AS39392
4	Arelion Sweden AB	X	AS1299
5	Zayo Bandwidth	X	AS6461
6	Zayo Infrastructure France SA	X	AS8218
7	BR.Digital Telecom	X	AS14840
8	Broadband Hosting B.V.	X	AS20562
9	UVT Internet s.r.o.	X	AS35236
10	LWLcom GmbH	X	AS50629
11	Durand do Brasil Ltda	X	AS22356
12	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
13	AVONET, s.r.o.	X	AS20723
14	Open X Tecnologia Ltda	X	AS263444
15	Datacamp Limited	X	AS60068
16	TRIOPTIMUM s.r.o.	X	AS33883
17	INTERKVM HOST SRL	X	AS6204
18	Webglobe, s.r.o.	X	AS29134
19	Jiri Tlapak	X	AS204666
20	Zain Omantel International FZ-LLC	X	AS8529
21	Fiber Telecom S.p.A.	X	AS41327
22	OMEGA plus Chrudim s.r.o.	X	AS35046
23	Convergenze S.p.A.	X	AS39120
24	Windyghoul s.r.o.		AS205535
25	NetActuate, Inc	X	AS36236
26	Wobcom GmbH	X	AS9136
27	CUBESOL, s.r.o.	X	AS205002
28	Ahosting a.s.	X	AS50415
29	Altnet s.r.o.	X	AS50163
30	Euroweb Romania S.R.L.	X	AS6663
31	Freenet Liberec, z.s.	X	AS29504
32	DavidFiala	X	AS44500
33	Sys-DataCom s.r.o.	X	AS44002
34	Hetzner Online GmbH	X	AS24940
35	CEZNET s.r.o.	X	AS204064
36	Fiord Networks, UAB	X	AS28917
37	i3D.net B.V	X	AS49544
38	ISP Alliance a.s.	X	AS202774
39	HelaPC s.r.o.	X	AS197879
40	United Networks SE	X	AS201625
41	ISP Alliance a.s.	X	AS201476
42	Valve Corporation	X	AS32590
43	United Networks SE	X	AS201559
44	TeamCity s.r.o.	X	AS212975
45	ISP Alliance a.s.	X	AS197393
46	BMB-Green s.r.o.	X	AS206951
47	United Networks SE	X	AS197296
48	Rocket Fibre Ltd	X	AS8801
49	CEZNET s.r.o.	X	AS201654
50	SPOJE.NET s.r.o.	X	AS51400
51	SIACOM JSC	X	AS198150
52	DOBNET, z.s.	X	AS209621
53	wilhelm.tel GmbH		AS15943
54	ECOMP spol s r.o.	X	AS207886
55	Hohl IT e.U.	X	AS40994
56	IX Reach Ltd	X	AS4455
57	SG.GS	X	AS24482
58	NIX.CZ z.s.p.o.	X	AS6881
59	Warnet.cz s.r.o.	X	AS47727
60	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
61	Kabel-TV Lampert GmbH & Co KG	X	AS59890
62	ALPHA StylSoft, s.r.o.	X	AS198814
63	Fonira Telekom GmbH	X	AS51184
64	SATT a.s.	X	AS56566
65	JHComp s.r.o.	X	AS50971
66	Virtual Technologies & Solutions	X	AS37721
67	Novelcomm LP	X	AS206735
68	VEJNET.CZ s.r.o.	X	AS202877
69	OVH SAS	X	AS16276
70	Axclusive	X	AS132337
71	Jakub Krsa		AS214757
72	ISP Alliance a.s.	X	AS210712
73	Rychly drat, s.r.o.	X	AS202618
74	Jaroslav Doubrava	X	AS13199
75	Inovare-Prim SRL	X	AS60602

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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	185.0.20.23 185.0.20.22	2001:7f8:7f::22 2001:7f8:7f::23

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