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
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
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: 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
OrgDNSHandle: DNS1131-ARIN
OrgDNSName: DNS
OrgDNSPhone: +1-202-555-0000
OrgDNSEmail: ipmanagement+dns@amazon.com
OrgDNSRef: https://rdap.arin.net/registry/entity/DNS1131-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
# 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
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
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
# 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 <<>> 100.55.31.181
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19678
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;100.55.31.181. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026042301 1800 900 604800 86400
;; Query time: 10 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Apr 24 05:00:40 CST 2026
;; MSG SIZE rcvd: 106
181.31.55.100.in-addr.arpa domain name pointer ec2-100-55-31-181.compute-1.amazonaws.com.
Server: 183.60.83.19
Address: 183.60.83.19#53
Non-authoritative answer:
181.31.55.100.in-addr.arpa name = ec2-100-55-31-181.compute-1.amazonaws.com.
Authoritative answers can be found from:
| IP | Type | Details | Datetime |
|---|---|---|---|
| 143.208.186.95 | attack | failed_logins |
2019-08-10 14:24:13 |
| 73.8.91.33 | attackbotsspam | Aug 10 07:29:37 [host] sshd[9283]: Invalid user lv from 73.8.91.33 Aug 10 07:29:37 [host] sshd[9283]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=73.8.91.33 Aug 10 07:29:40 [host] sshd[9283]: Failed password for invalid user lv from 73.8.91.33 port 50448 ssh2 |
2019-08-10 13:57:26 |
| 121.128.153.234 | attackbotsspam | Fail2Ban - FTP Abuse Attempt |
2019-08-10 14:37:10 |
| 218.92.0.200 | attackbotsspam | Aug 10 06:16:03 MK-Soft-VM4 sshd\[8517\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.200 user=root Aug 10 06:16:05 MK-Soft-VM4 sshd\[8517\]: Failed password for root from 218.92.0.200 port 16596 ssh2 Aug 10 06:16:08 MK-Soft-VM4 sshd\[8517\]: Failed password for root from 218.92.0.200 port 16596 ssh2 ... |
2019-08-10 14:33:48 |
| 47.95.141.87 | attackbotsspam | scan z |
2019-08-10 14:49:26 |
| 80.244.179.6 | attackspam | Aug 10 02:06:33 TORMINT sshd\[28396\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.244.179.6 user=root Aug 10 02:06:35 TORMINT sshd\[28396\]: Failed password for root from 80.244.179.6 port 55516 ssh2 Aug 10 02:13:21 TORMINT sshd\[28819\]: Invalid user system from 80.244.179.6 Aug 10 02:13:21 TORMINT sshd\[28819\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.244.179.6 ... |
2019-08-10 14:33:11 |
| 193.70.38.80 | attackspambots | 2019-08-10T05:56:21.543670abusebot-7.cloudsearch.cf sshd\[18477\]: Invalid user colin from 193.70.38.80 port 58026 |
2019-08-10 14:13:37 |
| 62.234.44.43 | attackspambots | 2019-08-10T05:54:35.556802abusebot-5.cloudsearch.cf sshd\[19722\]: Invalid user smbguest from 62.234.44.43 port 49851 |
2019-08-10 13:59:29 |
| 188.166.115.226 | attackspam | Aug 10 07:05:53 srv206 sshd[12782]: Invalid user kuku from 188.166.115.226 Aug 10 07:05:53 srv206 sshd[12782]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.115.226 Aug 10 07:05:53 srv206 sshd[12782]: Invalid user kuku from 188.166.115.226 Aug 10 07:05:55 srv206 sshd[12782]: Failed password for invalid user kuku from 188.166.115.226 port 56196 ssh2 ... |
2019-08-10 14:45:48 |
| 139.99.221.61 | attack | Aug 10 04:56:37 mail sshd\[2971\]: Invalid user sales from 139.99.221.61 port 60610 Aug 10 04:56:37 mail sshd\[2971\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.221.61 ... |
2019-08-10 14:49:48 |
| 123.181.64.57 | attackbotsspam | Automatic report - Port Scan Attack |
2019-08-10 14:18:27 |
| 185.211.245.198 | attackspam | Aug 10 04:29:27 relay postfix/smtpd\[11071\]: warning: unknown\[185.211.245.198\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Aug 10 04:29:40 relay postfix/smtpd\[3008\]: warning: unknown\[185.211.245.198\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Aug 10 04:36:21 relay postfix/smtpd\[32463\]: warning: unknown\[185.211.245.198\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Aug 10 04:36:37 relay postfix/smtpd\[11755\]: warning: unknown\[185.211.245.198\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Aug 10 04:39:31 relay postfix/smtpd\[3008\]: warning: unknown\[185.211.245.198\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 ... |
2019-08-10 14:03:34 |
| 113.185.109.228 | attackbots | Unauthorised access (Aug 10) SRC=113.185.109.228 LEN=52 TTL=113 ID=1508 DF TCP DPT=445 WINDOW=8192 SYN |
2019-08-10 14:41:52 |
| 54.39.107.119 | attackbots | Automatic report - Banned IP Access |
2019-08-10 14:00:58 |
| 42.82.93.128 | attackspambots | Telnet Server BruteForce Attack |
2019-08-10 14:46:20 |