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VUTBR-AS

AS197451 · CZ · RIPENCC
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3
Upstream providers
8
Downstream customers
67k
v4 addresses
13
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6
Provider First Seen Last Seen Peers Confidence AF
VODAFONE-CZ-AS
AS16019
 2024-09-01
1y 9mo
 2026-06-09
280 peers
AS174 AS209 AS260 AS553 AS680 AS701 AS852 AS917 AS999 AS1000 AS1031 AS1103 AS1299 AS1351 AS2119 AS2152 AS2518 AS2914 AS3130 AS3170 AS3214 AS3257 AS3320 AS3399 AS3491 AS3549 AS3701 AS3741 AS4128 AS4181 AS4608 AS4641 AS5392 AS5394 AS5413 AS5580 AS6082 AS6204 AS6423 AS6424 AS6453 AS6730 AS6762 AS6830 AS6894 AS6908 AS7018 AS7594 AS7713 AS7768 AS8220 AS8298 AS8426 AS8455 AS8529 AS8582 AS8888 AS9268 AS11845 AS12307 AS12350 AS12637 AS12779 AS12859 AS12956 AS12969 AS13237 AS13830 AS14041 AS14315 AS14537 AS14630 AS14907 AS15562 AS15692 AS15943 AS16276 AS16347 AS16552 AS17290 AS17350 AS17660 AS19151 AS19653 AS19754 AS20080 AS20514 AS20764 AS20811 AS20912 AS20932 AS21282 AS21700 AS22652 AS23367 AS23673 AS24516 AS24961 AS25091 AS25160 AS28329 AS28624 AS28634 AS28824 AS28917 AS29075 AS29140 AS29479 AS29680 AS29691 AS30844 AS30950 AS31027 AS31510 AS31554 AS31742 AS32590 AS32653 AS33185 AS34177 AS34288 AS34428 AS34549 AS34872 AS34927 AS35266 AS35280 AS35426 AS35600 AS35710 AS36924 AS37053 AS37100 AS37239 AS37468 AS37497 AS37697 AS38001 AS38008 AS38016 AS38726 AS38880 AS39122 AS39351 AS39642 AS40387 AS41073 AS41327 AS42473 AS42541 AS44901 AS45049 AS45352 AS45437 AS45489 AS45701 AS46450 AS46997 AS47147 AS47957 AS48070 AS48185 AS48237 AS48678 AS49028 AS49434 AS49544 AS49605 AS49788 AS50300 AS50304 AS50628 AS50629 AS50877 AS51088 AS51185 AS51519 AS52075 AS52468 AS52873 AS53828 AS55222 AS55720 AS56457 AS56662 AS56665 AS56987 AS57050 AS57111 AS57187 AS57381 AS57630 AS57695 AS57777 AS57821 AS57866 AS58057 AS58308 AS58511 AS59105 AS59790 AS60539 AS60924 AS61049 AS61138 AS61568 AS61573 AS61832 AS62167 AS63927 AS63956 AS64112 AS64475 AS132825 AS132847 AS132884 AS133210 AS134823 AS135895 AS136557 AS138685 AS142271 AS142289 AS148968 AS151326 AS151704 AS154335 AS197580 AS199524 AS199938 AS200612 AS205206 AS206271 AS206356 AS206499 AS207841 AS209650 AS209718 AS209823 AS210937 AS212271 AS212317 AS212635 AS213151 AS214443 AS215230 AS216285 AS262427 AS262462 AS263009 AS263541 AS264409 AS264479 AS265721 AS266213 AS268976 AS269180 AS271253 AS327960 AS327983 AS328206 AS328512 AS328840 AS328964 AS398465
v4 v6
CESNET2
AS2852
 2024-09-01
1y 9mo
 2026-06-09
148 peers
AS209 AS260 AS999 AS1031 AS2914 AS3257 AS3320 AS3491 AS3549 AS4128 AS4641 AS5580 AS6082 AS6453 AS6730 AS6762 AS6830 AS7018 AS8220 AS8582 AS12956 AS15562 AS16276 AS17350 AS17660 AS20080 AS28329 AS31554 AS34927 AS41811 AS49544 AS49605 AS51185 AS52468 AS52873 AS53828 AS55720 AS56457 AS132884 AS134823 AS142289 AS151704 AS197580 AS199524 AS216285 AS262462 AS263541 AS264409 AS266213
v4 v6
HA-VEL-LOCAL-AS
AS15935
 2024-09-01
1y 9mo
 2026-06-09
146 peers
AS209 AS260 AS701 AS2500 AS2914 AS3257 AS3320 AS3491 AS3549 AS4128 AS5580 AS6204 AS6730 AS6830 AS7018 AS8582 AS14537 AS16276 AS16552 AS17350 AS17660 AS35280 AS37497 AS49544 AS197580 AS199524 AS328206 AS398465
v4 v6

Customers (8)

Addr family: All IPv4 IPv6
Customer Country First Seen Last Seen IPs Peers Confidence AF
MASTER-AS
AS24971
 CZ 2024-09-01
1y 9mo
 2026-06-09 —
4 peers
AS7594
v4 v6
ZONER-AS
AS34222
 CZ 2024-09-01
1y 9mo
 2026-06-09 6.1k
4 peers
AS209 AS3549
v4 v6
AS-BRIX-CDN
AS201263
 CZ 2024-09-01
1y 9mo
 2026-06-09 256
180 peers
AS209 AS260 AS852 AS917 AS1299 AS2119 AS2518 AS2914 AS3130 AS3257 AS3320 AS3399 AS3491 AS3549 AS3701 AS3741 AS4128 AS4181 AS4608 AS4641 AS5394 AS5580 AS6082 AS6423 AS6730 AS6830 AS6908 AS7018 AS7594 AS7713 AS7768 AS8220 AS8529 AS8582 AS8888 AS9268 AS11845 AS12307 AS12350 AS12859 AS13237 AS14041 AS14537 AS14630 AS14907 AS15562 AS15692 AS15943 AS16276 AS16347 AS16552 AS17290 AS17350 AS19653 AS19754 AS20080 AS20514 AS20912 AS20932 AS21282 AS21700 AS22652 AS23367 AS23673 AS24516 AS24961 AS28624 AS28634 AS28824 AS28917 AS29140 AS29479 AS29691 AS30844 AS30950 AS31742 AS32590 AS32653 AS33185 AS34177 AS34288 AS34428 AS34549 AS34872 AS34927 AS35266 AS35280 AS35600 AS35710 AS36924 AS37497 AS37697 AS38001 AS38008 AS38016 AS38726 AS38880 AS39122 AS39642 AS40387 AS41073 AS42473 AS42541 AS44901 AS45352 AS45437 AS46997 AS47147 AS48070 AS48185 AS48237 AS48678 AS49434 AS49544 AS49605 AS50300 AS50304 AS51088 AS51185 AS52075 AS52468 AS53828 AS55222 AS55720 AS56665 AS57050 AS57381 AS57630 AS57695 AS57821 AS57866 AS58057 AS58308 AS58511 AS59105 AS60539 AS61049 AS61568 AS61573 AS63927 AS64475 AS132847 AS133210 AS134823 AS135895 AS136557 AS138685 AS142271 AS154335 AS197580 AS199524 AS199938 AS200612 AS206499 AS207841 AS209650 AS210937 AS212317 AS212635 AS213151 AS264479 AS265721 AS269180 AS271253 AS327960 AS327983 AS328512 AS398465
v4 v6
LBNET
AS201931
 CZ 2024-09-01
1y 9mo
 2026-06-09 768
159 peers
AS1299 AS8220 AS9268 AS19754 AS199524
v4 v6
KMENET
AS202872
 CZ 2024-09-01
1y 9mo
 2026-06-09 1k
169 peers
AS209 AS260 AS852 AS917 AS1299 AS2119 AS2914 AS3130 AS3257 AS3320 AS3399 AS3491 AS3549 AS3701 AS3741 AS4128 AS4181 AS4641 AS5394 AS5580 AS6082 AS6423 AS6730 AS6830 AS6908 AS7018 AS7594 AS7713 AS7768 AS8220 AS8529 AS8582 AS8888 AS9268 AS11845 AS12350 AS12859 AS13237 AS14041 AS14537 AS14630 AS14907 AS15562 AS15692 AS15943 AS16276 AS16347 AS16552 AS17290 AS17350 AS19653 AS19754 AS20080 AS20514 AS20912 AS20932 AS21282 AS21700 AS22652 AS23367 AS24516 AS24961 AS28624 AS28634 AS28824 AS28917 AS29140 AS29479 AS30844 AS30950 AS31742 AS32590 AS32653 AS33185 AS34177 AS34428 AS34549 AS34872 AS34927 AS35266 AS35280 AS35600 AS35710 AS36924 AS37497 AS37697 AS38001 AS38008 AS38016 AS38726 AS38880 AS39122 AS39642 AS41073 AS42473 AS42541 AS44901 AS45352 AS45437 AS46997 AS48070 AS48185 AS48237 AS48678 AS49434 AS49544 AS49605 AS50300 AS50304 AS51088 AS51185 AS52075 AS52468 AS53828 AS55222 AS55720 AS57050 AS57381 AS57695 AS57821 AS57866 AS58057 AS58308 AS58511 AS60539 AS61049 AS61568 AS61573 AS63927 AS64475 AS132847 AS133210 AS134823 AS135895 AS136557 AS142271 AS197580 AS199524 AS199938 AS200612 AS206499 AS207841 AS210937 AS212317 AS213151 AS264479 AS265721 AS269180 AS271253 AS327983 AS328512 AS398465
v4 v6
NETX
AS204860
 CZ 2024-09-01
1y 9mo
 2026-06-09 4.6k
251 peers
AS1299 AS8220 AS9268 AS19754 AS199524
v4 v6
asczpernix-neza
AS210604
 CZ 2024-09-01
1y 9mo
 2026-06-09 1k
235 peers
AS209 AS260 AS553 AS680 AS701 AS852 AS917 AS999 AS1000 AS1031 AS1299 AS1351 AS2119 AS2914 AS3130 AS3170 AS3257 AS3320 AS3399 AS3491 AS4128 AS5394 AS5413 AS5580 AS6082 AS6204 AS6424 AS6453 AS6730 AS6762 AS6830 AS6908 AS7018 AS7594 AS7713 AS7768 AS8220 AS8426 AS8455 AS8529 AS8582 AS9268 AS11845 AS12637 AS12779 AS12859 AS12956 AS14315 AS14537 AS15562 AS15692 AS15943 AS16276 AS16552 AS17290 AS17350 AS17660 AS19151 AS19754 AS20764 AS20811 AS22652 AS24516 AS24961 AS25091 AS25160 AS29680 AS30844 AS30950 AS31027 AS31554 AS32590 AS34428 AS34549 AS35266 AS35280 AS35600 AS36924 AS37053 AS37100 AS37468 AS37497 AS38008 AS39122 AS39351 AS41073 AS41327 AS45049 AS46450 AS46997 AS47147 AS47957 AS49028 AS49544 AS49605 AS50628 AS51088 AS51185 AS52075 AS52468 AS52873 AS56662 AS57050 AS57695 AS58057 AS58511 AS61832 AS63927 AS63956 AS64112 AS64475 AS136557 AS138685 AS148968 AS151704 AS197580 AS199524 AS206271 AS209718 AS212317 AS215230 AS216285 AS262462 AS263009 AS264409 AS264479 AS266213 AS271253 AS328206 AS328840 AS328964 AS398465
v4 v6
AS_TSB
AS212138
 CZ 2024-09-01
1y 9mo
 2026-06-09 1.3k
5 peers
AS209 AS3549
v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

8
v4 prefixes
67k
v4 addresses
4
v6 prefixes
13
v6 /32s

Downstream Customers Over Time

Count of distinct downstream customers per snapshot date

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2026-05-24
Lost Transit
amccomp-master-brno AS207167 → lost provider VUTBR-AS AS197451
Confidence: 85% Duration: 567d
⇄
2026-03-20
Lost Transit
MASTER-AS AS24971 → lost provider VUTBR-AS AS197451
Confidence: 85% Duration: 564d
⇄
2025-11-20
Lost Transit
AS_TSB AS212138 → lost provider VUTBR-AS AS197451
Confidence: 85% Duration: 444d
⇄
2025-11-20
Lost Transit
ZONER-AS AS34222 → lost provider VUTBR-AS AS197451
Confidence: 85% Duration: 444d
⇄
2025-11-12
New Transit
MASTER-AS AS24971 → added provider VUTBR-AS AS197451
Confidence: 90%
⇄
2025-10-11
Lost Transit
amccomp-master-brno AS207167 → lost provider VUTBR-AS AS197451
Confidence: 85% Duration: 342d
⇄
2025-10-05
New Transit
amccomp-master-brno AS207167 → added provider VUTBR-AS AS197451
Confidence: 90%
⇄
2025-08-06
Lost Transit
MASTER-AS AS24971 → lost provider VUTBR-AS AS197451
Confidence: 85% Duration: 338d
⇄
2025-07-09
New Transit
MASTER-AS AS24971 → added provider VUTBR-AS AS197451
Confidence: 90%
⇄
2025-07-03
Lost Transit
MASTER-AS AS24971 → lost provider VUTBR-AS AS197451
Confidence: 85% Duration: 304d
⇄
2025-04-06
New Transit
MASTER-AS AS24971 → added provider VUTBR-AS AS197451
Confidence: 90%
⇄
2025-03-31
Lost Transit
MASTER-AS AS24971 → lost provider VUTBR-AS AS197451
Confidence: 85% Duration: 210d
⇄
2024-12-16
Possible Trial
amccomp-master-brno AS207167 → possible trial with VUTBR-AS AS197451
Confidence: 60% Duration: 4d
⇄
2024-11-07
New Transit
AS_TSB AS212138 → added provider VUTBR-AS AS197451
Confidence: 90%
⇄
2024-11-07
Lost Transit
amccomp-master-brno AS207167 → lost provider VUTBR-AS AS197451
Confidence: 85% Duration: 4d
⇄
2024-10-16
Lost Transit
MASTER-AS AS24971 → lost provider VUTBR-AS AS197451
Confidence: 85% Duration: 44d
⇄
2024-10-11
Possible Trial
AS_TSB AS212138 → possible trial with VUTBR-AS AS197451
Confidence: 60%
⇄
2024-09-22
Lost Transit
AS_TSB AS212138 → lost provider VUTBR-AS AS197451
Confidence: 85% Duration: 20d
⇄
2024-09-02
New Transit
AS_TSB AS212138 → added provider VUTBR-AS AS197451
Confidence: 90%
⇄
2024-09-02
New Transit
asczpernix-neza AS210604 → added provider VUTBR-AS AS197451
Confidence: 90%
⇄
2024-09-02
New Transit
NETX AS204860 → added provider VUTBR-AS AS197451
Confidence: 90%
⇄
2024-09-02
New Transit
KMENET AS202872 → added provider VUTBR-AS AS197451
Confidence: 90%
⇄
2024-09-02
New Transit
LBNET AS201931 → added provider VUTBR-AS AS197451
Confidence: 90%
⇄
2024-09-02
New Transit
AS-BRIX-CDN AS201263 → added provider VUTBR-AS AS197451
Confidence: 90%
⇄
2024-09-02
New Transit
VUTBR-AS AS197451 → added provider VODAFONE-CZ-AS AS16019
Confidence: 90%
⇄
2024-09-02
New Transit
VUTBR-AS AS197451 → added provider HA-VEL-LOCAL-AS AS15935
Confidence: 90%
⇄
2024-09-02
New Transit
VUTBR-AS AS197451 → added provider CESNET2 AS2852
Confidence: 90%
⇄
2024-09-02
New Transit
ZONER-AS AS34222 → added provider VUTBR-AS AS197451
Confidence: 90%
⇄
2024-09-02
New Transit
MASTER-AS AS24971 → added provider VUTBR-AS AS197451
Confidence: 90%
⇄

Renewal Calendar

Active providers first seen 11–13 months ago — possible annual contract renewals

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