RIPEstat

Routing information (RIS)

Originates prefixes visible
Is seen in other routes

Name and holder of this ASN:

VUTBR-AS - Brno University of Technology

RIR	Status	Registration	Country
RIPE NCC	ALLOCATED	2010-12-08	CZ

Showing results for AS197451 as of 2025-03-27 16:00:00 UTC

At 2025-03-27 16:00:00 UTC, AS197451 was visible to 100% of 285 IPv4 and 100% of 290 IPv6 RIS full peers.

First ever seen as origin announcing 2001:67c:1220::/46, on 2010-12-22 16:00:00 UTC.

Originated IPv4 prefixes: 8
Originated IPv6 prefixes: 4
Observed BGP neighbours: 12
Address space announced (IPv4): 67072 IPs
Address space announced (IPv6): equiv. to 851972 /48s

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Showing results for AS197451 as of 2025-03-27 16:00:00 UTC

Results exclude routes with very low visibility (less than 10 RIS full-feed peers seeing).
Given query time (2025-03-27 16:00:00 UTC) has been changed because it is earlier than the time there is data available for!

abuse@vutbr.cz

Details

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- RIR Information

RIR	RIR's Whois
RIPE NCC	https://apps.db.ripe.net/search/query.html

Showing results for AS197451

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IPv4 and IPv6 results are combined in the map - click button to switch between them.

Prefix	Type	Percent	Country
147.229.0.0/16	IPv4	24.43%	CZ
147.229.0.0/16	IPv4	48.85%	CZ
147.229.0.0/16	IPv4	24.43%	CZ
185.149.204.0/22	IPv4	1.53%	CZ
185.62.108.0/23	IPv4	0.76%	CZ

Showing results for AS197451 as of 2025-03-25 14:45:40 UTC

(+)(-)

aut-num	197451
as-name	VUTBR-AS
org	ORG-BUOT1-RIPE
import	from AS2852 accept ANY
import	from AS6830 accept ANY
import	from AS2819 accept ANY
import	from AS60143 accept AS-BR-IX-RS
import	from AS15935 accept ANY
export	to AS2852 announce AS-VUTBR
export	to AS6830 announce AS-VUTBR
export	to AS2819 announce AS-VUTBR
export	to AS60143 announce AS-VUTBR
export	to AS15935 announce AS-VUTBR
mp-import	afi ipv6 from AS2852 accept ANY
mp-import	afi ipv4 from AS2852 accept ANY
mp-export	afi ipv6 to AS2852 announce AS197451
mp-export	afi ipv4 to AS2852 announce AS197451
admin-c	CA6319-RIPE
tech-c	CA6319-RIPE
status	ASSIGNED
mnt-by	RIPE-NCC-END-MNT
mnt-by	VUTBR-MNT
created	2010-12-08T11:00:29Z
last-modified	2018-09-04T10:56:36Z
source	RIPE
remarks	====================================================
remarks	Imported from:
remarks	rt:197451:100 - Exchange points + direct peering
remarks	rt:197451:101 - NIX.CZ
remarks	rt:197451:103 - SIX.SK
remarks	rt:197451:104 - NIX.SK
remarks	rt:197451:105 - BR-IX
remarks	rt:197451:106 - Peering.cz
remarks	rt:197451:199 - direct peering
remarks	rt:197451:200 - Transit upstreams
remarks	rt:197451:201 - Liberty Global
remarks	rt:197451:202 - T-Mobile
remarks	rt:197451:203 - CESNET
remarks	rt:197451:300 - Customers
remarks	rt:197451:301 - Internal networks
remarks	Export to:
remarks	rt:197451:100x - exchange points + direct peering
remarks	rt:197451:1000 - shorten path to IXP
remarks	rt:197451:200x - transit upstreams
remarks	where x is the number of prepends of AS197451
remarks	(1-3; 9 - not anounce)
remarks	=====================================================

Showing results for AS197451 as of 2025-03-28 01:34:00 UTC