IP address


.500212.8.50.131
Shodan(more info)
Passive DNS
Tags: Scanner
IP blacklists
Turris greylist
212.8.50.131 is listed on the Turris greylist blacklist.

Description: Greylist is the output of the Turris research project by CZ.NIC,<br>which collects data of malicious IPs.
Type of feed: primary (feed detail page)

Last checked at: 2025-06-22 21:15:00.188000
Was present on blacklist at: 2025-03-27 22:15, 2025-03-29 22:15, 2025-03-31 21:15, 2025-04-01 21:15, 2025-04-03 21:15, 2025-04-04 21:15, 2025-04-06 21:15, 2025-04-08 21:15, 2025-04-09 21:15, 2025-04-12 21:15, 2025-04-14 21:15, 2025-04-15 21:15, 2025-04-17 21:15, 2025-04-20 21:15, 2025-04-22 21:15, 2025-04-24 21:15, 2025-04-26 21:15, 2025-04-28 21:15, 2025-04-30 21:15, 2025-05-02 21:15, 2025-05-05 21:15, 2025-05-07 21:15, 2025-05-08 21:15, 2025-05-10 21:15, 2025-05-13 21:15, 2025-05-16 21:15, 2025-05-19 21:15, 2025-05-22 21:15, 2025-05-25 21:15, 2025-05-26 21:15, 2025-05-29 21:15, 2025-05-31 21:15, 2025-06-01 21:15, 2025-06-02 21:15, 2025-06-03 21:15, 2025-06-05 21:15, 2025-06-06 21:15, 2025-06-07 21:15, 2025-06-08 21:15, 2025-06-09 21:15, 2025-06-10 21:15, 2025-06-12 21:15, 2025-06-15 21:15, 2025-06-16 21:15, 2025-06-20 21:15, 2025-06-22 21:15
AbuseIPDB
212.8.50.131 is listed on the AbuseIPDB blacklist.

Description: AbuseIPDB is a project managed by Marathon Studios Inc.<br>Lists IPs performing a malicious activity (DDoS, spam, phishing...)
Type of feed: primary (feed detail page)

Last checked at: 2025-06-25 04:00:00.720000
Was present on blacklist at: 2025-03-28 05:00, 2025-03-29 05:00, 2025-03-30 04:00, 2025-03-31 04:00, 2025-04-01 04:00, 2025-04-02 04:00, 2025-04-03 04:00, 2025-04-04 04:00, 2025-04-06 04:00, 2025-04-09 04:00, 2025-04-11 04:00, 2025-04-15 04:00, 2025-04-16 04:00, 2025-04-19 04:00, 2025-04-20 04:00, 2025-04-21 04:00, 2025-04-23 04:00, 2025-04-25 04:00, 2025-04-26 04:00, 2025-05-03 04:00, 2025-05-04 04:00, 2025-05-07 04:00, 2025-05-11 04:00, 2025-05-14 04:00, 2025-05-17 04:00, 2025-05-18 04:00, 2025-05-20 04:00, 2025-05-27 04:00, 2025-05-30 04:00, 2025-05-31 04:00, 2025-06-01 04:00, 2025-06-03 04:00, 2025-06-11 04:00, 2025-06-13 04:00, 2025-06-18 04:00, 2025-06-25 04:00
Mirai tracker
212.8.50.131 is listed on the Mirai tracker blacklist.

Description: IPs scanning the internet in a specific way known to be used by Mirai malware and its variants.
Type of feed: primary (feed detail page)

Last checked at: 2025-06-24 23:40:00.372000
Was present on blacklist at: 2025-05-04 23:40, 2025-05-05 23:40, 2025-05-06 23:40, 2025-05-07 23:40, 2025-05-08 23:40, 2025-05-09 23:40, 2025-05-10 23:40, 2025-05-11 23:40, 2025-05-12 23:40, 2025-05-13 23:40, 2025-05-14 23:40, 2025-05-15 23:40, 2025-05-16 23:40, 2025-05-17 23:40, 2025-05-18 23:40, 2025-05-19 23:40, 2025-05-20 23:40, 2025-05-21 23:40, 2025-05-22 23:40, 2025-05-23 23:40, 2025-05-24 23:40, 2025-05-25 23:40, 2025-05-26 23:40, 2025-05-27 23:40, 2025-05-28 23:40, 2025-05-29 23:40, 2025-05-30 23:40, 2025-06-19 23:40, 2025-06-20 23:40, 2025-06-21 23:40, 2025-06-22 23:40, 2025-06-23 23:40, 2025-06-24 23:40
DataPlane TELNET login
212.8.50.131 is listed on the DataPlane TELNET login blacklist.

Description: DataPlane.org is a community-powered Internet data, feeds,<br>and measurement resource for operators, by operators. IPs trying<br>an unsolicited login via TELNET password authentication.
Type of feed: primary (feed detail page)

Last checked at: 2025-06-25 06:10:02.962000
Was present on blacklist at: 2025-03-27 03:10, 2025-03-27 07:10, 2025-03-27 15:10, 2025-03-27 19:10, 2025-03-28 03:10, 2025-03-28 07:10, 2025-03-28 15:10, 2025-03-28 19:10, 2025-03-29 03:10, 2025-03-29 07:10, 2025-03-29 15:10, 2025-03-29 19:10, 2025-03-30 02:10, 2025-03-30 06:10, 2025-03-30 14:10, 2025-03-30 18:10, 2025-03-31 02:10, 2025-03-31 06:10, 2025-03-31 14:10, 2025-04-01 02:10, 2025-04-01 06:10, 2025-04-01 14:10, 2025-04-01 18:10, 2025-04-02 02:10, 2025-04-02 06:10, 2025-04-02 14:10, 2025-04-02 18:10, 2025-04-03 02:10, 2025-04-03 06:10, 2025-04-03 14:10, 2025-04-03 18:10, 2025-04-04 02:10, 2025-04-04 06:10, 2025-04-04 14:10, 2025-04-04 18:10, 2025-04-05 02:10, 2025-04-05 06:10, 2025-04-05 14:10, 2025-04-05 18:10, 2025-04-06 02:10, 2025-04-06 06:10, 2025-04-06 14:10, 2025-04-06 18:10, 2025-04-07 02:10, 2025-04-07 06:10, 2025-04-07 14:10, 2025-04-07 18:10, 2025-04-08 02:10, 2025-04-08 06:10, 2025-04-08 14:10, 2025-04-08 18:10, 2025-04-09 02:10, 2025-04-09 06:10, 2025-04-09 14:10, 2025-04-09 18:10, 2025-04-10 02:10, 2025-04-10 06:10, 2025-04-10 14:10, 2025-04-10 18:10, 2025-04-11 02:10, 2025-04-11 06:10, 2025-04-11 14:10, 2025-04-11 18:10, 2025-04-12 02:10, 2025-04-12 06:10, 2025-04-12 14:10, 2025-04-12 18:10, 2025-04-13 06:10, 2025-04-13 14:10, 2025-04-13 18:10, 2025-04-14 02:10, 2025-04-14 06:10, 2025-04-14 14:10, 2025-04-14 18:10, 2025-04-15 02:10, 2025-04-15 06:10, 2025-04-15 14:10, 2025-04-15 18:10, 2025-04-16 02:10, 2025-04-16 06:10, 2025-04-16 14:10, 2025-04-16 18:10, 2025-04-17 02:10, 2025-04-17 06:10, 2025-04-17 14:10, 2025-04-17 18:10, 2025-04-18 02:10, 2025-04-18 06:10, 2025-04-18 14:10, 2025-04-18 18:10, 2025-04-19 02:10, 2025-04-19 06:10, 2025-04-19 14:10, 2025-04-19 18:10, 2025-04-19 22:10, 2025-04-20 02:10, 2025-04-20 06:10, 2025-04-20 14:10, 2025-04-20 18:10, 2025-04-21 02:10, 2025-04-21 06:10, 2025-04-21 14:10, 2025-04-21 18:10, 2025-04-22 02:10, 2025-04-22 06:10, 2025-04-22 14:10, 2025-04-22 18:10, 2025-04-23 02:10, 2025-04-23 06:10, 2025-04-23 14:10, 2025-04-23 18:10, 2025-04-24 02:10, 2025-04-24 06:10, 2025-04-24 14:10, 2025-04-24 18:10, 2025-04-25 02:10, 2025-04-25 06:10, 2025-04-25 14:10, 2025-04-25 18:10, 2025-04-26 02:10, 2025-04-26 06:10, 2025-04-26 14:10, 2025-04-26 18:10, 2025-04-27 02:10, 2025-04-27 06:10, 2025-04-27 14:10, 2025-04-27 18:11, 2025-04-28 02:10, 2025-04-28 06:10, 2025-04-28 14:10, 2025-04-28 18:10, 2025-04-29 02:10, 2025-04-29 06:10, 2025-04-29 14:10, 2025-04-29 18:10, 2025-04-30 02:10, 2025-04-30 06:10, 2025-04-30 14:10, 2025-04-30 18:10, 2025-05-01 02:10, 2025-05-01 06:10, 2025-05-01 14:10, 2025-05-01 18:10, 2025-05-02 02:10, 2025-05-02 06:10, 2025-05-02 18:10, 2025-05-03 02:10, 2025-05-03 06:10, 2025-05-03 14:10, 2025-05-03 18:10, 2025-05-04 02:10, 2025-05-04 06:10, 2025-05-04 14:10, 2025-05-04 18:10, 2025-05-05 02:10, 2025-05-05 06:10, 2025-05-05 14:10, 2025-05-05 18:10, 2025-05-06 02:10, 2025-05-06 06:10, 2025-05-06 14:10, 2025-05-06 18:10, 2025-05-07 02:10, 2025-05-07 06:10, 2025-05-07 14:10, 2025-05-07 18:10, 2025-05-08 02:10, 2025-05-08 06:10, 2025-05-08 14:10, 2025-05-08 18:10, 2025-05-09 02:10, 2025-05-09 06:10, 2025-05-09 14:10, 2025-05-09 18:10, 2025-05-10 02:10, 2025-05-10 06:10, 2025-05-10 14:10, 2025-05-10 18:10, 2025-05-11 02:10, 2025-05-11 06:10, 2025-05-11 14:10, 2025-05-11 18:10, 2025-05-12 02:10, 2025-05-12 06:10, 2025-05-12 14:10, 2025-05-12 18:10, 2025-05-13 02:10, 2025-05-13 06:10, 2025-05-13 14:10, 2025-05-13 18:10, 2025-05-14 02:10, 2025-05-14 06:10, 2025-05-14 14:10, 2025-05-14 18:10, 2025-05-15 02:10, 2025-05-15 14:10, 2025-05-15 18:10, 2025-05-16 02:10, 2025-05-16 06:10, 2025-05-16 14:10, 2025-05-16 18:10, 2025-05-17 02:10, 2025-05-17 06:10, 2025-05-17 14:10, 2025-05-17 18:10, 2025-05-18 02:10, 2025-05-18 06:10, 2025-05-18 14:10, 2025-05-18 18:10, 2025-05-19 02:10, 2025-05-19 06:10, 2025-05-19 14:10, 2025-05-19 18:10, 2025-05-20 02:10, 2025-05-20 06:10, 2025-05-20 14:10, 2025-05-20 18:10, 2025-05-21 02:10, 2025-05-21 06:10, 2025-05-21 14:10, 2025-05-21 18:10, 2025-05-22 02:10, 2025-05-22 06:10, 2025-05-22 14:10, 2025-05-22 18:10, 2025-05-23 02:10, 2025-05-23 06:10, 2025-05-23 14:10, 2025-05-23 18:10, 2025-05-24 02:10, 2025-05-24 06:10, 2025-05-24 14:10, 2025-05-24 18:10, 2025-05-25 02:10, 2025-05-25 06:10, 2025-05-25 14:10, 2025-05-25 18:10, 2025-05-26 02:10, 2025-05-26 06:10, 2025-05-26 14:10, 2025-05-26 18:10, 2025-05-27 02:10, 2025-05-27 06:10, 2025-05-27 18:10, 2025-05-28 02:10, 2025-05-28 14:10, 2025-05-28 18:10, 2025-05-29 02:10, 2025-05-29 06:10, 2025-05-29 14:10, 2025-05-29 18:10, 2025-05-30 02:10, 2025-05-30 06:10, 2025-05-30 14:10, 2025-05-30 18:10, 2025-05-31 02:10, 2025-05-31 06:10, 2025-05-31 14:10, 2025-05-31 18:10, 2025-06-01 02:10, 2025-06-01 06:10, 2025-06-01 14:10, 2025-06-01 18:10, 2025-06-02 02:10, 2025-06-02 06:10, 2025-06-02 14:10, 2025-06-02 18:10, 2025-06-03 02:10, 2025-06-03 06:10, 2025-06-03 14:10, 2025-06-03 18:10, 2025-06-03 22:10, 2025-06-04 02:10, 2025-06-04 06:10, 2025-06-04 14:10, 2025-06-04 18:10, 2025-06-05 02:10, 2025-06-05 06:10, 2025-06-05 14:10, 2025-06-05 18:10, 2025-06-06 02:10, 2025-06-06 06:10, 2025-06-06 14:10, 2025-06-06 18:10, 2025-06-07 02:10, 2025-06-07 06:10, 2025-06-07 14:10, 2025-06-07 18:10, 2025-06-08 02:10, 2025-06-08 06:10, 2025-06-08 14:10, 2025-06-08 18:10, 2025-06-09 02:10, 2025-06-09 06:10, 2025-06-09 14:10, 2025-06-09 18:10, 2025-06-10 02:10, 2025-06-10 06:10, 2025-06-10 14:10, 2025-06-10 18:10, 2025-06-11 02:10, 2025-06-11 06:10, 2025-06-11 14:10, 2025-06-11 18:10, 2025-06-12 02:10, 2025-06-12 06:10, 2025-06-12 14:10, 2025-06-12 18:10, 2025-06-13 02:10, 2025-06-13 06:10, 2025-06-13 14:10, 2025-06-13 18:10, 2025-06-14 02:10, 2025-06-14 06:10, 2025-06-14 14:10, 2025-06-14 18:10, 2025-06-15 02:10, 2025-06-15 06:10, 2025-06-15 14:10, 2025-06-15 18:10, 2025-06-16 02:10, 2025-06-16 06:10, 2025-06-16 18:10, 2025-06-17 02:10, 2025-06-17 06:10, 2025-06-17 14:10, 2025-06-17 18:10, 2025-06-18 02:10, 2025-06-18 06:10, 2025-06-18 14:10, 2025-06-18 18:10, 2025-06-19 02:10, 2025-06-19 06:10, 2025-06-19 14:10, 2025-06-19 18:10, 2025-06-20 02:10, 2025-06-20 06:10, 2025-06-20 14:10, 2025-06-20 18:10, 2025-06-21 02:10, 2025-06-21 06:10, 2025-06-21 14:10, 2025-06-21 18:10, 2025-06-22 02:10, 2025-06-22 06:10, 2025-06-22 14:10, 2025-06-22 18:10, 2025-06-23 02:10, 2025-06-23 06:10, 2025-06-23 14:10, 2025-06-23 18:10, 2025-06-24 02:10, 2025-06-24 06:10, 2025-06-24 14:10, 2025-06-24 18:10, 2025-06-25 02:10, 2025-06-25 06:10
Warden events (1842)
2025-06-25
ReconScanning (node.9c1411): 21
2025-06-24
ReconScanning (node.9c1411): 54
2025-06-23
ReconScanning (node.9c1411): 52
2025-06-22
ReconScanning (node.9c1411): 53
2025-06-21
ReconScanning (node.9c1411): 49
2025-06-20
ReconScanning (node.9c1411): 42
2025-06-19
ReconScanning (node.9c1411): 35
2025-06-18
ReconScanning (node.9c1411): 45
2025-06-17
ReconScanning (node.9c1411): 37
2025-06-16
ReconScanning (node.9c1411): 37
2025-06-15
ReconScanning (node.9c1411): 50
2025-06-14
ReconScanning (node.9c1411): 35
2025-06-13
ReconScanning (node.9c1411): 46
2025-06-12
ReconScanning (node.9c1411): 44
2025-06-11
ReconScanning (node.9c1411): 42
2025-06-10
ReconScanning (node.9c1411): 42
2025-06-09
ReconScanning (node.9c1411): 24
2025-04-20
ReconScanning (node.9c1411): 41
2025-04-19
ReconScanning (node.9c1411): 48
2025-04-18
ReconScanning (node.9c1411): 47
2025-04-17
ReconScanning (node.9c1411): 51
2025-04-16
ReconScanning (node.9c1411): 43
2025-04-15
ReconScanning (node.9c1411): 42
2025-04-14
ReconScanning (node.9c1411): 43
2025-04-13
ReconScanning (node.9c1411): 40
2025-04-12
ReconScanning (node.9c1411): 43
2025-04-11
ReconScanning (node.9c1411): 36
2025-04-10
ReconScanning (node.9c1411): 35
2025-04-09
ReconScanning (node.9c1411): 45
2025-04-08
ReconScanning (node.9c1411): 47
2025-04-07
ReconScanning (node.9c1411): 40
2025-04-06
ReconScanning (node.9c1411): 48
2025-04-05
ReconScanning (node.9c1411): 48
2025-04-04
ReconScanning (node.9c1411): 38
2025-04-03
ReconScanning (node.9c1411): 42
2025-04-02
ReconScanning (node.9c1411): 44
2025-04-01
ReconScanning (node.9c1411): 44
2025-03-31
ReconScanning (node.9c1411): 46
2025-03-30
ReconScanning (node.9c1411): 45
2025-03-29
ReconScanning (node.9c1411): 45
2025-03-28
ReconScanning (node.9c1411): 48
2025-03-27
ReconScanning (node.9c1411): 49
2025-03-26
ReconScanning (node.9c1411): 36
DShield reports (IP summary, reports)
2025-03-26
Number of reports: 33
Distinct targets: 25
2025-03-27
Number of reports: 32
Distinct targets: 22
2025-03-28
Number of reports: 52
Distinct targets: 34
2025-03-29
Number of reports: 45
Distinct targets: 27
2025-03-30
Number of reports: 77
Distinct targets: 32
2025-03-31
Number of reports: 62
Distinct targets: 30
2025-04-01
Number of reports: 81
Distinct targets: 33
2025-04-02
Number of reports: 31
Distinct targets: 18
2025-04-03
Number of reports: 65
Distinct targets: 34
2025-04-04
Number of reports: 58
Distinct targets: 37
2025-04-05
Number of reports: 72
Distinct targets: 38
2025-04-06
Number of reports: 55
Distinct targets: 32
2025-04-07
Number of reports: 55
Distinct targets: 25
2025-04-08
Number of reports: 59
Distinct targets: 29
2025-04-09
Number of reports: 36
Distinct targets: 21
2025-04-10
Number of reports: 34
Distinct targets: 22
2025-04-11
Number of reports: 73
Distinct targets: 34
2025-04-12
Number of reports: 75
Distinct targets: 36
2025-04-13
Number of reports: 22
Distinct targets: 17
2025-04-14
Number of reports: 56
Distinct targets: 36
2025-04-15
Number of reports: 39
Distinct targets: 26
2025-04-16
Number of reports: 39
Distinct targets: 23
2025-04-17
Number of reports: 50
Distinct targets: 26
2025-04-18
Number of reports: 55
Distinct targets: 32
2025-04-19
Number of reports: 54
Distinct targets: 37
2025-04-20
Number of reports: 73
Distinct targets: 33
2025-04-21
Number of reports: 44
Distinct targets: 20
2025-04-22
Number of reports: 32
Distinct targets: 20
2025-04-23
Number of reports: 76
Distinct targets: 33
2025-04-24
Number of reports: 53
Distinct targets: 27
2025-04-25
Number of reports: 47
Distinct targets: 29
2025-04-26
Number of reports: 38
Distinct targets: 22
2025-04-27
Number of reports: 55
Distinct targets: 30
2025-04-28
Number of reports: 64
Distinct targets: 32
2025-04-29
Number of reports: 31
Distinct targets: 18
2025-04-30
Number of reports: 48
Distinct targets: 27
2025-05-01
Number of reports: 49
Distinct targets: 29
2025-05-02
Number of reports: 34
Distinct targets: 22
2025-05-03
Number of reports: 48
Distinct targets: 28
2025-05-04
Number of reports: 37
Distinct targets: 25
2025-05-05
Number of reports: 49
Distinct targets: 25
2025-05-06
Number of reports: 77
Distinct targets: 36
2025-05-07
Number of reports: 56
Distinct targets: 27
2025-05-08
Number of reports: 58
Distinct targets: 32
2025-05-09
Number of reports: 54
Distinct targets: 26
2025-05-10
Number of reports: 54
Distinct targets: 26
2025-05-11
Number of reports: 40
Distinct targets: 23
2025-05-12
Number of reports: 61
Distinct targets: 31
2025-05-13
Number of reports: 57
Distinct targets: 27
2025-05-14
Number of reports: 50
Distinct targets: 31
2025-05-15
Number of reports: 45
Distinct targets: 27
2025-05-16
Number of reports: 51
Distinct targets: 29
2025-05-17
Number of reports: 48
Distinct targets: 29
2025-05-18
Number of reports: 44
Distinct targets: 29
2025-05-19
Number of reports: 64
Distinct targets: 26
2025-05-20
Number of reports: 44
Distinct targets: 18
2025-05-21
Number of reports: 55
Distinct targets: 27
2025-05-22
Number of reports: 32
Distinct targets: 26
2025-05-23
Number of reports: 60
Distinct targets: 33
2025-05-24
Number of reports: 44
Distinct targets: 30
2025-05-25
Number of reports: 61
Distinct targets: 42
2025-05-26
Number of reports: 44
Distinct targets: 16
2025-05-28
Number of reports: 55
Distinct targets: 30
2025-05-29
Number of reports: 54
Distinct targets: 34
2025-05-30
Number of reports: 40
Distinct targets: 21
2025-05-31
Number of reports: 47
Distinct targets: 28
2025-06-01
Number of reports: 36
Distinct targets: 22
2025-06-02
Number of reports: 54
Distinct targets: 31
2025-06-03
Number of reports: 42
Distinct targets: 26
2025-06-04
Number of reports: 76
Distinct targets: 31
2025-06-05
Number of reports: 65
Distinct targets: 28
2025-06-06
Number of reports: 51
Distinct targets: 23
2025-06-07
Number of reports: 52
Distinct targets: 30
2025-06-08
Number of reports: 36
Distinct targets: 17
2025-06-09
Number of reports: 54
Distinct targets: 25
2025-06-10
Number of reports: 46
Distinct targets: 27
2025-06-11
Number of reports: 63
Distinct targets: 35
2025-06-12
Number of reports: 37
Distinct targets: 21
2025-06-13
Number of reports: 49
Distinct targets: 29
2025-06-14
Number of reports: 42
Distinct targets: 29
2025-06-15
Number of reports: 32
Distinct targets: 27
2025-06-16
Number of reports: 44
Distinct targets: 28
2025-06-17
Number of reports: 49
Distinct targets: 28
2025-06-18
Number of reports: 40
Distinct targets: 29
2025-06-19
Number of reports: 45
Distinct targets: 31
2025-06-20
Number of reports: 33
Distinct targets: 28
2025-06-21
Number of reports: 45
Distinct targets: 27
2025-06-22
Number of reports: 61
Distinct targets: 31
2025-06-23
Number of reports: 53
Distinct targets: 36
2025-06-24
Number of reports: 42
Distinct targets: 31
OTX pulses
[602bc528f447d628d41494f2] 2021-02-16 13:14:16.945000 | Ka's Honeypot visitors
Author name:Kapppppa
Pulse modified:2025-06-08 03:00:59.258000
Indicator created:2025-05-09 05:42:14
Indicator role:bruteforce
Indicator title:Telnet Login attempt
Indicator expiration:2025-06-08 05:00:00
[67b1e6b2bb1dbe6946e2f39d] 2025-02-16 13:22:58.775000 | Telnet honeypot logs for 2025-02-16
Author name:jnazario
Pulse modified:2025-02-16 13:22:58.775000
Indicator created:2025-02-16 13:22:59
Indicator role:None
Indicator title:
Indicator expiration:2025-03-18 13:00:00
Origin AS
AS60754 - DIANET-NET
BGP Prefix
212.8.50.0/24
geo
Ukraine, Zaporizhzhya
🕑 Europe/Kyiv
hostname
(null)
Address block ('inetnum' or 'NetRange' in whois database)
212.8.32.0 - 212.8.63.255
last_activity
2025-06-25 07:48:57
last_warden_event
2025-06-25 07:48:57
rep
0.5
reserved_range
0
Shodan's InternetDB
Open ports: 22
Tags:
CPEs: cpe:/o:linux:linux_kernel
ts_added
2024-10-07 23:59:23.571000
ts_last_update
2025-06-25 07:54:23.998000

Warden event timeline

DShield event timeline

Presence on blacklists

OTX pulses