City: Ashburn
Region: Virginia
Country: United States
Internet Service Provider: unknown
Hostname: unknown
Organization: unknown
Usage Type: unknown
#
# 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.
#
# start
NetRange: 100.48.0.0 - 100.63.255.255
CIDR: 100.48.0.0/12
NetName: AMAZO-4
NetHandle: NET-100-48-0-0-1
Parent: NET100 (NET-100-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Amazon.com, Inc. (AMAZO-4)
RegDate: 2024-12-12
Updated: 2024-12-12
Ref: https://rdap.arin.net/registry/ip/100.48.0.0
OrgName: Amazon.com, Inc.
OrgId: AMAZO-4
Address: Amazon Web Services, Inc.
Address: P.O. Box 81226
City: Seattle
StateProv: WA
PostalCode: 98108-1226
Country: US
RegDate: 2005-09-29
Updated: 2026-04-17
Comment: For details of this service please see
Comment: http://ec2.amazonaws.com
Ref: https://rdap.arin.net/registry/entity/AMAZO-4
OrgDNSHandle: DNS1131-ARIN
OrgDNSName: DNS
OrgDNSPhone: +1-202-555-0000
OrgDNSEmail: ipmanagement+dns@amazon.com
OrgDNSRef: https://rdap.arin.net/registry/entity/DNS1131-ARIN
OrgNOCHandle: AANO1-ARIN
OrgNOCName: Amazon AWS Network Operations
OrgNOCPhone: +1-206-555-0000
OrgNOCEmail: amzn-noc-contact@amazon.com
OrgNOCRef: https://rdap.arin.net/registry/entity/AANO1-ARIN
OrgRoutingHandle: IPROU3-ARIN
OrgRoutingName: IP Routing
OrgRoutingPhone: +1-206-555-0000
OrgRoutingEmail: aws-routing-poc@amazon.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/IPROU3-ARIN
OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-555-0000
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
OrgRoutingHandle: ARMP-ARIN
OrgRoutingName: AWS RPKI Management POC
OrgRoutingPhone: +1-206-555-0000
OrgRoutingEmail: aws-rpki-routing-poc@amazon.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/ARMP-ARIN
OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-555-0000
OrgAbuseEmail: trustandsafety@support.aws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN
# end
# start
NetRange: 100.48.0.0 - 100.63.255.255
CIDR: 100.48.0.0/12
NetName: AMAZON-IAD
NetHandle: NET-100-48-0-0-2
Parent: AMAZO-4 (NET-100-48-0-0-1)
NetType: Reallocated
OriginAS:
Organization: Amazon Data Services Northern Virginia (ADSN-1)
RegDate: 2025-08-19
Updated: 2025-08-19
Ref: https://rdap.arin.net/registry/ip/100.48.0.0
OrgName: Amazon Data Services Northern Virginia
OrgId: ADSN-1
Address: 13200 Woodland Park Road
City: Herndon
StateProv: VA
PostalCode: 20171
Country: US
RegDate: 2018-04-25
Updated: 2025-08-14
Ref: https://rdap.arin.net/registry/entity/ADSN-1
OrgNOCHandle: AANO1-ARIN
OrgNOCName: Amazon AWS Network Operations
OrgNOCPhone: +1-206-555-0000
OrgNOCEmail: amzn-noc-contact@amazon.com
OrgNOCRef: https://rdap.arin.net/registry/entity/AANO1-ARIN
OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-555-0000
OrgAbuseEmail: trustandsafety@support.aws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN
OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-555-0000
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
# end
#
# 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.
#
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 100.58.203.239
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55154
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;100.58.203.239. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026070202 1800 900 604800 86400
;; Query time: 7 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Jul 03 10:31:00 CST 2026
;; MSG SIZE rcvd: 107
239.203.58.100.in-addr.arpa domain name pointer ec2-100-58-203-239.compute-1.amazonaws.com.
Server: 183.60.83.19
Address: 183.60.83.19#53
Non-authoritative answer:
239.203.58.100.in-addr.arpa name = ec2-100-58-203-239.compute-1.amazonaws.com.
Authoritative answers can be found from:
| IP | Type | Details | Datetime |
|---|---|---|---|
| 18.224.225.204 | attackbotsspam | SMB Server BruteForce Attack |
2020-08-04 02:00:37 |
| 51.79.84.101 | attackspam | Aug 3 09:18:10 ny01 sshd[13069]: Failed password for root from 51.79.84.101 port 46162 ssh2 Aug 3 09:23:00 ny01 sshd[13662]: Failed password for root from 51.79.84.101 port 58278 ssh2 |
2020-08-04 01:59:30 |
| 72.210.252.154 | attackspam | IMAP |
2020-08-04 02:11:59 |
| 13.71.21.123 | attackbots | 2020-08-03T07:21:42.271249morrigan.ad5gb.com sshd[1914821]: Failed password for root from 13.71.21.123 port 1024 ssh2 2020-08-03T07:21:43.115681morrigan.ad5gb.com sshd[1914821]: Disconnected from authenticating user root 13.71.21.123 port 1024 [preauth] |
2020-08-04 02:06:28 |
| 82.64.77.30 | attack | prod6 ... |
2020-08-04 02:02:31 |
| 45.129.33.13 | attack |
|
2020-08-04 01:58:03 |
| 85.209.89.216 | attack | Referer Spam |
2020-08-04 02:19:43 |
| 125.26.108.70 | attackspam | Dovecot Invalid User Login Attempt. |
2020-08-04 02:28:28 |
| 179.182.201.218 | attackbots | Unauthorized connection attempt from IP address 179.182.201.218 on Port 445(SMB) |
2020-08-04 02:05:43 |
| 222.124.17.227 | attack | SSH brutforce |
2020-08-04 02:28:11 |
| 188.173.80.134 | attackbotsspam | "$f2bV_matches" |
2020-08-04 01:52:33 |
| 118.89.231.109 | attackbotsspam | 2020-08-03T14:54:28.307209hostname sshd[69254]: Failed password for root from 118.89.231.109 port 57844 ssh2 ... |
2020-08-04 02:03:25 |
| 45.132.193.15 | attackspambots | Referer Spam |
2020-08-04 02:31:41 |
| 139.199.23.233 | attack | Aug 3 11:24:08 vps46666688 sshd[26944]: Failed password for root from 139.199.23.233 port 36018 ssh2 ... |
2020-08-04 02:25:08 |
| 45.132.193.40 | attack | Referer Spam |
2020-08-04 02:31:16 |