User agent: -
Reverse: Host 13.33.123.20.in-addr.arpa. not found: 3(NXDOMAIN)
| Cidr | From | To |
|---|---|---|
| 20.33.0.0/16 | 20.33.0.0 | 20.128.255.255 |
Bot history 20.123.33.13
| Page view | Blocked | Unblocked | Reverse | Forward |
|---|---|---|---|---|
| 571 | 2026-05-04 08:15:05 | 2026-05-15 06:18:17 | Host 13.33.123.20.in-addr.arpa. not found: 3(NXDOMAIN) | Not Found |
Whois 20.123.33.13 - added 2026-05-04 08:15:05
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
NetRange: 20.33.0.0 - 20.128.255.255
CIDR: 20.33.0.0/16, 20.40.0.0/13, 20.34.0.0/15, 20.36.0.0/14, 20.64.0.0/10, 20.48.0.0/12, 20.128.0.0/16
NetName: MSFT
NetHandle: NET-20-33-0-0-1
Parent: NET20 (NET-20-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Microsoft Corporation (MSFT)
RegDate: 2017-10-18
Updated: 2021-12-14
Ref: https://rdap.arin.net/registry/ip/20.33.0.0
OrgName: Microsoft Corporation
OrgId: MSFT
Address: One Microsoft Way
City: Redmond
StateProv: WA
PostalCode: 98052
Country: US
RegDate: 1998-07-10
Updated: 2025-06-10
Comment: To report suspected security issues specific to traffic emanating from Microsoft online services, including the distribution of malicious content or other illicit or illegal material through a Microsoft online service, please submit reports to:
Comment: * https://cert.microsoft.com.
Comment:
Comment: For SPAM and other abuse issues, such as Microsoft Accounts, please contact:
Comment: * abuse@microsoft.com.
Comment:
Comment: To report security vulnerabilities in Microsoft products and services, please contact:
Comment: * secure@microsoft.com.
Comment:
Comment: For legal and law enforcement-related requests, please contact:
Comment: * msndcc@microsoft.com
Comment:
Comment: For routing, peering or DNS issues, please
Comment: contact:
Comment: * IOC@microsoft.com
Ref: https://rdap.arin.net/registry/entity/MSFT
OrgTechHandle: BEDAR6-ARIN
OrgTechName: Bedard, Dawn
OrgTechPhone: +1-425-538-6637
OrgTechEmail: dabedard@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/BEDAR6-ARIN
OrgTechHandle: MRPD-ARIN
OrgTechName: Microsoft Routing, Peering, and DNS
OrgTechPhone: +1-425-882-8080
OrgTechEmail: IOC@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/MRPD-ARIN
OrgTechHandle: IPHOS5-ARIN
OrgTechName: IPHostmaster, IPHostmaster
OrgTechPhone: +1-425-538-6637
OrgTechEmail: iphostmaster@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPHOS5-ARIN
OrgTechHandle: SINGH683-ARIN
OrgTechName: Singh, Prachi
OrgTechPhone: +1-425-707-5601
OrgTechEmail: pracsin@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/SINGH683-ARIN
OrgRoutingHandle: CHATU3-ARIN
OrgRoutingName: Chaturmohta, Somesh
OrgRoutingPhone: +1-425-882-8080
OrgRoutingEmail: someshch@microsoft.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/CHATU3-ARIN
OrgAbuseHandle: MAC74-ARIN
OrgAbuseName: Microsoft Abuse Contact
OrgAbusePhone: +1-425-882-8080
OrgAbuseEmail: abuse@microsoft.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/MAC74-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
Iptables rule cidr 20.33.0.0/16 - ip 20.123.33.13
#!/bin/bash #### IPTABLES RULE ### # Iptables block cidr iptables -A INPUT -s 20.33.0.0/16 -j DROP # Iptables unblock cidr iptables -D INPUT -s 20.33.0.0/16 -j DROP # Iptables block ip iptables -A INPUT -s 20.123.33.13 -j DROP # Iptables unblock ip iptables -D INPUT -s 20.123.33.13 -j DROP #### IPTABLES RULE ###
Result 22 - of cidr 20.33.0.0/16
| Ip | Cidr | Inetnum | host |
|---|---|---|---|
| 20.63.80.119 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 119.80.63.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.104.207.18 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 18.207.104.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.43.20.252 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 252.20.43.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.104.97.84 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 84.97.104.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.66.82.100 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 100.82.66.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.66.20.198 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 198.20.66.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.104.48.143 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 143.48.104.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.43.1.132 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 132.1.43.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.48.254.119 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 119.254.48.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.111.57.15 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 15.57.111.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.48.152.115 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 115.152.48.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.100.184.200 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 200.184.100.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.91.188.120 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 120.188.91.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.91.186.76 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 76.186.91.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.91.210.35 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 35.210.91.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.111.37.69 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 69.37.111.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.82.177.137 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 137.177.82.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.63.32.193 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 193.32.63.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.100.201.203 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 203.201.100.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.100.206.196 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 196.206.100.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.91.253.196 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 196.253.91.20.in-addr.arpa. not found: 3(NXDOMAIN) |
| 20.100.169.43 | 20.33.0.0/16 | 20.33.0.0 - 20.128.255.255 | Host 43.169.100.20.in-addr.arpa. not found: 3(NXDOMAIN) |