User agent: Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
Reverse: 157.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san157.ahrefs.net.
| Cidr | From | To |
|---|---|---|
| 51.195.0.0/16 | 51.195.244.0 | 51.195.244.255 |
Bot history 51.195.244.157
| Page view | Blocked | Unblocked | Reverse | Forward |
|---|---|---|---|---|
| 16 | 2026-09-24 19:31:15 | 0000-00-00 00:00:00 | 157.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san157.ahrefs.net. | Host proxy-uk000-san157.ahrefs.net. not found: 3(NXDOMAIN) |
| 12 | 2026-07-25 14:59:31 | 2026-07-26 01:57:51 | 157.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san157.ahrefs.net. | Host proxy-uk000-san157.ahrefs.net. not found: 3(NXDOMAIN) |
| 21 | 2026-07-01 11:29:03 | 2026-07-13 10:56:10 | 157.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san157.ahrefs.net. | Host proxy-uk000-san157.ahrefs.net. not found: 3(NXDOMAIN) |
| 1 | 2026-06-10 03:38:28 | 2026-06-10 12:26:12 | 157.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san157.ahrefs.net. | Host proxy-uk000-san157.ahrefs.net. not found: 3(NXDOMAIN) |
Whois 51.195.244.157 - added 2026-06-10 03:38:28
% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.
% Information related to "51.195.244.0 - 51.195.244.255"
% Abuse contact for "51.195.244.0 - 51.195.244.255" is "abuse@ovh.net"
inetnum: 51.195.244.0 - 51.195.244.255
netname: OVH_282347336
country: GB
descr: Failover Ips
org: ORG-APLD1-RIPE
admin-c: OTC14-RIPE
tech-c: OTC14-RIPE
status: LEGACY
mnt-by: OVH-MNT
created: 2023-07-24T10:01:50Z
last-modified: 2023-07-24T10:01:50Z
source: RIPE
organisation: ORG-APLD1-RIPE
org-name: Ahrefs Pte Ltd Dmytro
org-type: OTHER
address: 16 RAFFLES QUAY #33-03
address: 048581 Singapore
address: SG
phone: +65.85915924
mnt-ref: OVH-MNT
mnt-by: OVH-MNT
created: 2014-08-29T12:26:04Z
last-modified: 2017-10-30T16:31:11Z
source: RIPE # Filtered
role: OVH UK Technical Contact
address: OVH Ltd
address: New London House, 6 London Street
address: EC3R 7LP, LONDON
address: UK
admin-c: OK217-RIPE
tech-c: GM84-RIPE
nic-hdl: OTC14-RIPE
abuse-mailbox: abuse@ovh.net
mnt-by: OVH-MNT
created: 2009-09-16T16:09:57Z
last-modified: 2017-01-17T09:52:03Z
source: RIPE # Filtered
% Information related to "51.195.0.0/16AS16276"
route: 51.195.0.0/16
origin: AS16276
mnt-by: OVH-MNT
created: 2019-12-19T14:43:37Z
last-modified: 2019-12-19T14:43:37Z
source: RIPE
% This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)
Iptables rule cidr 51.195.0.0/16 - ip 51.195.244.157
#!/bin/bash #### IPTABLES RULE ### # Iptables block cidr iptables -A INPUT -s 51.195.0.0/16 -j DROP # Iptables unblock cidr iptables -D INPUT -s 51.195.0.0/16 -j DROP # Iptables block ip iptables -A INPUT -s 51.195.244.157 -j DROP # Iptables unblock ip iptables -D INPUT -s 51.195.244.157 -j DROP #### IPTABLES RULE ###
Result 728 - of cidr 51.195.0.0/16
| Ip | Cidr | Inetnum | host |
|---|---|---|---|
| 51.195.244.13 | 51.195.0.0/16 | 51.195.244.0 - 51.195.244.255 | 13.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san13.ahrefs.net. |
| 51.195.244.220 | 51.195.0.0/16 | 51.195.244.0 - 51.195.244.255 | 220.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san220.ahrefs.net. |
| 51.195.244.224 | 51.195.0.0/16 | 51.195.244.0 - 51.195.244.255 | 224.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san224.ahrefs.net. |
| 51.195.244.120 | 51.195.0.0/16 | 51.195.244.0 - 51.195.244.255 | 120.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san120.ahrefs.net. |
| 51.195.215.21 | 51.195.0.0/16 | 51.195.215.0 - 51.195.215.255 | 21.215.195.51.in-addr.arpa domain name pointer proxy-uk009-san21.ahrefs.net. |
| 51.195.244.140 | 51.195.0.0/16 | 51.195.244.0 - 51.195.244.255 | 140.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san140.ahrefs.net. |
| 51.195.215.24 | 51.195.0.0/16 | 51.195.215.0 - 51.195.215.255 | 24.215.195.51.in-addr.arpa domain name pointer proxy-uk009-san24.ahrefs.net. |
| 51.195.244.25 | 51.195.0.0/16 | 51.195.244.0 - 51.195.244.255 | 25.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san25.ahrefs.net. |
| 51.195.183.24 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 24.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san24.ahrefs.net. |
| 51.195.215.8 | 51.195.0.0/16 | 51.195.215.0 - 51.195.215.255 | 8.215.195.51.in-addr.arpa domain name pointer proxy-uk009-san8.ahrefs.net. |
| 51.195.183.4 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 4.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san4.ahrefs.net. |
| 51.195.244.68 | 51.195.0.0/16 | 51.195.244.0 - 51.195.244.255 | 68.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san68.ahrefs.net. |
| 51.195.244.49 | 51.195.0.0/16 | 51.195.244.0 - 51.195.244.255 | 49.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san49.ahrefs.net. |
| 51.195.215.166 | 51.195.0.0/16 | 51.195.215.0 - 51.195.215.255 | 166.215.195.51.in-addr.arpa domain name pointer proxy-uk009-san166.ahrefs.net. |
| 51.195.244.211 | 51.195.0.0/16 | 51.195.244.0 - 51.195.244.255 | 211.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san211.ahrefs.net. |
| 51.195.215.3 | 51.195.0.0/16 | 51.195.215.0 - 51.195.215.255 | 3.215.195.51.in-addr.arpa domain name pointer proxy-uk009-san3.ahrefs.net. |
| 51.195.244.5 | 51.195.0.0/16 | 51.195.244.0 - 51.195.244.255 | 5.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san5.ahrefs.net. |
| 51.195.215.141 | 51.195.0.0/16 | 51.195.215.0 - 51.195.215.255 | 141.215.195.51.in-addr.arpa domain name pointer proxy-uk009-san141.ahrefs.net. |
| 51.195.244.21 | 51.195.0.0/16 | 51.195.244.0 - 51.195.244.255 | 21.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san21.ahrefs.net. |
| 51.195.215.9 | 51.195.0.0/16 | 51.195.215.0 - 51.195.215.255 | 9.215.195.51.in-addr.arpa domain name pointer proxy-uk009-san9.ahrefs.net. |
| 51.195.215.12 | 51.195.0.0/16 | 51.195.215.0 - 51.195.215.255 | 12.215.195.51.in-addr.arpa domain name pointer proxy-uk009-san12.ahrefs.net. |
| 51.195.183.2 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 2.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san2.ahrefs.net. |
| 51.195.183.1 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 1.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san1.ahrefs.net. |
| 51.195.215.6 | 51.195.0.0/16 | 51.195.215.0 - 51.195.215.255 | 6.215.195.51.in-addr.arpa domain name pointer proxy-uk009-san6.ahrefs.net. |
| 51.195.244.12 | 51.195.0.0/16 | 51.195.244.0 - 51.195.244.255 | 12.244.195.51.in-addr.arpa domain name pointer proxy-uk000-san12.ahrefs.net. |
| 51.195.183.21 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 21.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san21.ahrefs.net. |
| 51.195.183.144 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 144.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san144.ahrefs.net. |
| 51.195.183.99 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 99.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san99.ahrefs.net. |
| 51.195.183.47 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 47.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san47.ahrefs.net. |
| 51.195.183.111 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 111.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san111.ahrefs.net. |
| 51.195.183.223 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 223.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san223.ahrefs.net. |
| 51.195.183.50 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 50.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san50.ahrefs.net. |
| 51.195.183.118 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 118.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san118.ahrefs.net. |
| 51.195.183.78 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 78.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san78.ahrefs.net. |
| 51.195.183.115 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 115.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san115.ahrefs.net. |
| 51.195.183.152 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 152.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san152.ahrefs.net. |
| 51.195.183.216 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 216.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san216.ahrefs.net. |
| 51.195.183.164 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 164.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san164.ahrefs.net. |
| 51.195.183.82 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 82.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san82.ahrefs.net. |
| 51.195.183.37 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 37.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san37.ahrefs.net. |
| 51.195.183.245 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 245.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san245.ahrefs.net. |
| 51.195.183.65 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 65.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san65.ahrefs.net. |
| 51.195.183.176 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 176.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san176.ahrefs.net. |
| 51.195.183.230 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 230.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san230.ahrefs.net. |
| 51.195.183.89 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 89.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san89.ahrefs.net. |
| 51.195.183.109 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 109.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san109.ahrefs.net. |
| 51.195.183.39 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 39.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san39.ahrefs.net. |
| 51.195.183.23 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 23.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san23.ahrefs.net. |
| 51.195.183.28 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 28.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san28.ahrefs.net. |
| 51.195.183.44 | 51.195.0.0/16 | 51.195.183.0 - 51.195.183.255 | 44.183.195.51.in-addr.arpa domain name pointer proxy-uk003-san44.ahrefs.net. |