AS31230 Slovak University of Technology in Bratislava

Company Website:

http://www.six.sk

Looking Glass:

https://bgp.he.net/lg/31230

Country of Origin:

Internet Exchanges: 2

Prefixes Originated (all): 0
Prefixes Originated (v4): 0
Prefixes Originated (v6): 0

Prefixes Announced (all): 717
Prefixes Announced (v4): 673
Prefixes Announced (v6): 44

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

BGP Peers Observed (all): 64
BGP Peers Observed (v4): 63
BGP Peers Observed (v6): 47

IPs Originated (v4): 0
AS Paths Observed (v4): 305
AS Paths Observed (v6): 177

Average AS Path Length (all): 3.075
Average AS Path Length (v4): 3.105
Average AS Path Length (v6): 3.023

AS31230 IPv4 Peers

ASN	Name
AS28725	CETIN a.s.
AS31117	ENERGOTEL a.s.
AS5405	Inter.link GmbH
AS15935	ha-vel internet s.r.o.
AS25248	RADIOKOMUNIKACE a.s.
AS29405	VNET a.s.
AS8778	Slovanet a.s.
AS50629	LWLcom GmbH
AS28952	O2 Business Services, a.s
AS48326	DataNetworks s.r.o.

AS31230 IPv6 Peers

ASN	Name
AS9002	RETN Limited
AS28725	CETIN a.s.
AS15935	ha-vel internet s.r.o.
AS29405	VNET a.s.
AS25248	RADIOKOMUNIKACE a.s.
AS38949	Trestel SK, a.s.
AS5405	Inter.link GmbH
AS28952	O2 Business Services, a.s
AS50629	LWLcom GmbH
AS34820	DELTA ONLINE spol. s r.o.

AS31230 IPv4 Peer Count

AS31230 IPv6 Peer Count

AS31230 IPv4 Prefixes Announced

AS31230 IPv6 Prefixes Announced

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	CETIN a.s.	X	AS28725
2	ENERGOTEL a.s.	X	AS31117
3	Inter.link GmbH	X	AS5405
4	ha-vel internet s.r.o.	X	AS15935
5	RADIOKOMUNIKACE a.s.	X	AS25248
6	VNET a.s.	X	AS29405
7	Slovanet a.s.	X	AS8778
8	LWLcom GmbH	X	AS50629
9	O2 Business Services, a.s	X	AS28952
10	DataNetworks s.r.o.	X	AS48326
11	Trestel SK, a.s.	X	AS38949
12	DSI DATA, a. s.	X	AS35328
13	E-MAX INTERNET & IT s.r.o.	X	AS49115
14	NTS workspace AG	X	AS15576
15	Anexia Cloud Solutions GmbH	X	AS47147
16	bonet.systems, s. r. o.	X	AS44185
17	LightStorm Services s.r.o.		AS42005
18	DELTA ONLINE spol. s r.o.	X	AS34820
19	ACS spol. s r. o.	X	AS12905
20	Stadtwerke Feldkirch	X	AS48362
21	AIRNET s.r.o.	X	AS201603
22	WebSupport s.r.o.	X	AS51013
23	Kantonsschule Zug	X	AS34288
24	Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET	X	AS2607
25	Xenox IT & Kommunikations GmbH	X	AS215628
26	Telemach Slovenija d.o.o.	X	AS3212
27	Hetzner Online GmbH	X	AS24940
28	SATRO s.r.o.	X	AS31127
29	OSTV s.r.o.	X	AS209531
30	Alanata a. s.	X	AS8620
31	Exatel S.A.		AS20804
32	ISPER, s.r.o.		AS43248
33	Atlantis Telekomunikasyon Bilisim Hizmetleri San. ve Tic. Ltd. Sti.		AS204457
34	Belgacom International Carrier Services SA		AS6774
35	Innsbrucker Kommunalbetriebe AG	X	AS31510
36	Rainside s.r.o.	X	AS12508
37	GOLEM TECH s.r.o.	X	AS30929
38	The Slovak Internet eXchange Services	X	AS1922
39	ANTIK Telecom s.r.o	X	AS42841
40	CETIN Ltd. Belgrade		AS15958
41	Kabel-TV Lampert GmbH & Co KG	X	AS59890
42	Detronics s.r.o.		AS56656
43	IP-Net s.r.o.	X	AS56349
44	ZSR - ZT Bratislava	X	AS25496
45	SateliX s.r.o.	X	AS60533
46	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation	X	AS35369
47	David Kondicz trading as KONFER networks		AS50953
48	Automation & Business, s.r.o.	X	AS208882
49	Nessus GmbH	X	AS47692
50	PEGO Slovakia, s.r.o.		AS43653
51	Serbian Open Exchange DOO	X	AS13004
52	Kinet s.r.o.		AS57760
53	MAXNETWORK s.r.o.		AS205168
54	DIGI SLOVAKIA, s.r.o.		AS49044
55	Fonira Telekom GmbH	X	AS51184
56	G-Core Labs S.A.	X	AS199524
57	Proximus Luxembourg S.A.		AS56665
58	KOMNET, s.r.o.		AS56926
59	MakeNewMedia Communications GmbH	X	AS44765
60	myNet GmbH		AS31543
61	FunkFeuer Wien - Verein zur Foerderung freier Netze	X	AS35492
62	NETPLANET GmbH		AS24953
63	LLC "OTT UKRAINE"		AS204384

Rank	Description	IPv4	Peer
1	RETN Limited		AS9002
2	CETIN a.s.	X	AS28725
3	ha-vel internet s.r.o.	X	AS15935
4	VNET a.s.	X	AS29405
5	RADIOKOMUNIKACE a.s.	X	AS25248
6	Trestel SK, a.s.	X	AS38949
7	Inter.link GmbH	X	AS5405
8	O2 Business Services, a.s	X	AS28952
9	LWLcom GmbH	X	AS50629
10	DELTA ONLINE spol. s r.o.	X	AS34820
11	Slovanet a.s.	X	AS8778
12	Anexia Cloud Solutions GmbH	X	AS47147
13	NTS workspace AG	X	AS15576
14	Stadtwerke Feldkirch	X	AS48362
15	DataNetworks s.r.o.	X	AS48326
16	bonet.systems, s. r. o.	X	AS44185
17	DSI DATA, a. s.	X	AS35328
18	WebSupport s.r.o.	X	AS51013
19	IP-Net s.r.o.	X	AS56349
20	ACS spol. s r. o.	X	AS12905
21	Hetzner Online GmbH	X	AS24940
22	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation	X	AS35369
23	SATRO s.r.o.	X	AS31127
24	ZSR - ZT Bratislava	X	AS25496
25	Telemach Slovenija d.o.o.	X	AS3212
26	The Slovak Internet eXchange Services	X	AS1922
27	Automation & Business, s.r.o.	X	AS208882
28	ENERGOTEL a.s.	X	AS31117
29	OSTV s.r.o.	X	AS209531
30	Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET	X	AS2607
31	Fonira Telekom GmbH	X	AS51184
32	G-Core Labs S.A.	X	AS199524
33	E-MAX INTERNET & IT s.r.o.	X	AS49115
34	SateliX s.r.o.	X	AS60533
35	MakeNewMedia Communications GmbH	X	AS44765
36	ANTIK Telecom s.r.o	X	AS42841
37	Innsbrucker Kommunalbetriebe AG	X	AS31510
38	Xenox IT & Kommunikations GmbH	X	AS215628
39	Kantonsschule Zug	X	AS34288
40	AIRNET s.r.o.	X	AS201603
41	Rainside s.r.o.	X	AS12508
42	FunkFeuer Wien - Verein zur Foerderung freier Netze	X	AS35492
43	Nessus GmbH	X	AS47692
44	Serbian Open Exchange DOO	X	AS13004
45	Kabel-TV Lampert GmbH & Co KG	X	AS59890
46	GOLEM TECH s.r.o.	X	AS30929
47	Alanata a. s.	X	AS8620

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RIPE

aut-num: AS31230 as-name: SIX-ROUTE-SERVERS org: ORG-STU1-RIPE import: from AS-ANY accept ANY export: to AS-ANY announce AS-SIXSK-SETS mp-import: afi ipv6.unicast from AS-ANY accept ANY mp-export: afi ipv6.unicast to AS-ANY announce AS-SIXSK-SETS-V6 remarks: SIX Route Servers filter announcements from members against IRR. admin-c: DUMY-RIPE tech-c: DUMY-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: SWDB-SANET mnt-by: AS2607-MNT created: 2015-05-19T13:53:22Z last-modified: 2025-10-16T07:35:28Z source: RIPE sponsoring-org: ORG-SAN1-RIPE remarks: Route server operation could be modified with following large BGP communities: remarks: remarks: 31230:0:peer-as - do not announce prefix to peer-as remarks: 31230:1:peer-as - announce prefix to peer-as remarks: 31230:100:peer-as - do not prepend when announcing to peer-as remarks: 31230:101:peer-as - apply 1 prepend when announcing to peer-as remarks: 31230:102:peer-as - apply 2 prepends when announcing to peer-as remarks: 31230:103:peer-as - apply 3 prepends when announcing to peer-as remarks: remarks: When you set peer-as to 0, action will be performed for all SIX peers. This could be overriden remarks: by setting additional BGP community for specific peer-as. remarks: remarks: If your router doesn't support large BGP communities, for 16-bit AS you can also use standard remarks: community 0:peer-as which works the same way as community 31230:0:peer-as. 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
SIX.SK	SK	Bratislava	192.108.148.2 192.108.148.1	2001:7f8:2f::1 2001:7f8:2f::2
VIX	AT	Vienna	193.203.0.67	2001:7f8:30:0:2:1:3:1230

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