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): 725
Prefixes Announced (v4): 675
Prefixes Announced (v6): 50

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

BGP Peers Observed (all): 63
BGP Peers Observed (v4): 62
BGP Peers Observed (v6): 47

IPs Originated (v4): 0
AS Paths Observed (v4): 304
AS Paths Observed (v6): 176

Average AS Path Length (all): 3.075
Average AS Path Length (v4): 3.089
Average AS Path Length (v6): 3.051

AS31230 IPv4 Peers

ASN	Name
AS28725	CETIN a.s.
AS31117	ENERGOTEL a.s.
AS15935	ha-vel internet s.r.o.
AS25248	RADIOKOMUNIKACE a.s.
AS5405	Inter.link GmbH
AS29405	VNET a.s.
AS8778	Slovanet a.s.
AS50629	LWLcom GmbH
AS38949	Trestel SK, a.s.
AS28952	O2 Business Services, a.s

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.
AS28952	O2 Business Services, a.s
AS50629	LWLcom GmbH
AS5405	Inter.link 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	ha-vel internet s.r.o.	X	AS15935
4	RADIOKOMUNIKACE a.s.	X	AS25248
5	Inter.link GmbH	X	AS5405
6	VNET a.s.	X	AS29405
7	Slovanet a.s.	X	AS8778
8	LWLcom GmbH	X	AS50629
9	Trestel SK, a.s.	X	AS38949
10	O2 Business Services, a.s	X	AS28952
11	DataNetworks s.r.o.	X	AS48326
12	E-MAX INTERNET & IT s.r.o.	X	AS49115
13	DSI DATA, a. s.	X	AS35328
14	ACS spol. s r. o.	X	AS12905
15	Anexia Cloud Solutions GmbH	X	AS47147
16	NTS workspace AG	X	AS15576
17	DELTA ONLINE spol. s r.o.	X	AS34820
18	LightStorm Services s.r.o.		AS42005
19	bonet.systems, s. r. o.	X	AS44185
20	Stadtwerke Feldkirch	X	AS48362
21	Kantonsschule Zug	X	AS34288
22	AIRNET s.r.o.	X	AS201603
23	Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET	X	AS2607
24	WebSupport s.r.o.	X	AS51013
25	Kabel-TV Lampert GmbH & Co KG	X	AS59890
26	IP-Net s.r.o.	X	AS56349
27	DIGI SLOVAKIA, s.r.o.		AS49044
28	Exatel S.A.		AS20804
29	PEGO Slovakia, s.r.o.		AS43653
30	David Kondicz trading as KONFER networks		AS50953
31	ISPER, s.r.o.		AS43248
32	Innsbrucker Kommunalbetriebe AG	X	AS31510
33	SateliX s.r.o.	X	AS60533
34	NETPLANET GmbH		AS24953
35	LLC "OTT UKRAINE"		AS204384
36	ZSR - ZT Bratislava	X	AS25496
37	Rainside s.r.o.	X	AS12508
38	Serbian Open Exchange DOO	X	AS13004
39	SATRO s.r.o.	X	AS31127
40	Hetzner Online GmbH	X	AS24940
41	Alanata a. s.	X	AS8620
42	Fonira Telekom GmbH	X	AS51184
43	MakeNewMedia Communications GmbH	X	AS44765
44	ANTIK Telecom s.r.o	X	AS42841
45	OSTV s.r.o.	X	AS209531
46	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation	X	AS35369
47	Nessus GmbH	X	AS47692
48	Telemach Slovenija d.o.o.	X	AS3212
49	Xenox IT & Kommunikations GmbH	X	AS215628
50	KOMNET, s.r.o.		AS56926
51	G-Core Labs S.A.	X	AS199524
52	Kinet s.r.o.		AS57760
53	MAXNETWORK s.r.o.		AS205168
54	Detronics s.r.o.		AS56656
55	Automation & Business, s.r.o.	X	AS208882
56	GOLEM TECH s.r.o.	X	AS30929
57	Proximus Luxembourg S.A.		AS56665
58	CETIN Ltd. Belgrade		AS15958
59	FunkFeuer Wien - Verein zur Foerderung freier Netze	X	AS35492
60	The Slovak Internet eXchange Services	X	AS1922
61	Atlantis Telekomunikasyon Bilisim Hizmetleri San. ve Tic. Ltd. Sti.		AS204457
62	euNetworks GmbH		AS13237

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

Loading whois...

Loading...

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

Loading probes...