Summary
- Hostname
- —
- ASN
- —
- Organization
- Barnes & Noble Inc.
- Network
- BARNES-NOBLE
- Range
- 161.221.0.0 - 161.221.255.255
- /24 block
- 161.221.5.0/24
- Country
- US
- Blacklists
- 0 of 14
- Abuse contact
- [email protected]
Presence of 161.221.5.2 in blacklists
| List | Status |
|---|---|
| zen.spamhaus.org | Not listed |
| bl.spamcop.net | Not listed |
| black.junkemailfilter.com | Not listed |
| multi.surbl.org | Not listed |
| dnsbl.sorbs.net | Not listed |
| b.barracudacentral.org | Not listed |
| dnsbl.tornevall.org | Not listed |
| dnsbl.httpbl.org | Not listed |
| dnsbl-1.uceprotect.net | Not listed |
| dnsbl-2.uceprotect.net | Not listed |
| dnsbl-3.uceprotect.net | Not listed |
| v4.fullbogons.cymru.com | Not listed |
| bl.blocklist.de | Not listed |
| rbl.blockedservers.com | Not listed |
What is a blacklist (RBL)?
An RBL (Real-time Blackhole List), also known as a DNSBL (DNS-based Blackhole List), is a mechanism used to fight spam by blocking e-mails coming from sources known to send spam. RBLs are databases listing the IP addresses deemed responsible for sending unsolicited e-mail. Mail server administrators use these lists to filter incoming e-mails by checking whether the sender's IP address appears in one or more RBLs. If it does, the e-mail may be rejected or subjected to additional checks.
There are different types of RBLs, each with its own criteria for listing IP addresses. Some focus on IP addresses that send spam directly, while others list IP addresses belonging to networks known to host computers infected with malware and used as bots to send spam. RBL operators keep their lists up to date through automatic and manual contributions, and IP address owners can often request removal from a list if they believe the listing is unjustified.
WHOIS data for 161.221.5.2
#
# 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: 161.221.0.0 - 161.221.255.255
CIDR: 161.221.0.0/16
NetName: BARNES-NOBLE
NetHandle: NET-161-221-0-0-1
Parent: NET161 (NET-161-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Barnes & Noble Inc. (BARNES-4-Z)
RegDate: 1993-03-01
Updated: 2025-08-21
Comment: 94c46a7ac62be4b13d50389c7d234718c5b5d10b65c80e7224e8ba48922f1adc
Ref: https://rdap.arin.net/registry/ip/161.221.0.0
OrgName: Barnes & Noble Inc.
OrgId: BARNES-4-Z
Address: 33 E. 17th Street
City: New York
StateProv: NY
PostalCode: 10003
Country: US
RegDate: 2023-01-26
Updated: 2023-01-26
Ref: https://rdap.arin.net/registry/entity/BARNES-4-Z
OrgAbuseHandle: BARNE796-ARIN
OrgAbuseName: Barnes Admin
OrgAbusePhone: +1-516-338-8033
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/BARNE796-ARIN
OrgNOCHandle: BARNE796-ARIN
OrgNOCName: Barnes Admin
OrgNOCPhone: +1-516-338-8033
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/BARNE796-ARIN
OrgDNSHandle: BARNE796-ARIN
OrgDNSName: Barnes Admin
OrgDNSPhone: +1-516-338-8033
OrgDNSEmail: [email protected]
OrgDNSRef: https://rdap.arin.net/registry/entity/BARNE796-ARIN
OrgRoutingHandle: BARNE796-ARIN
OrgRoutingName: Barnes Admin
OrgRoutingPhone: +1-516-338-8033
OrgRoutingEmail: [email protected]
OrgRoutingRef: https://rdap.arin.net/registry/entity/BARNE796-ARIN
OrgTechHandle: BARNE796-ARIN
OrgTechName: Barnes Admin
OrgTechPhone: +1-516-338-8033
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/BARNE796-ARIN
RNOCHandle: BARNE796-ARIN
RNOCName: Barnes Admin
RNOCPhone: +1-516-338-8033
RNOCEmail: [email protected]
RNOCRef: https://rdap.arin.net/registry/entity/BARNE796-ARIN
RAbuseHandle: BARNE796-ARIN
RAbuseName: Barnes Admin
RAbusePhone: +1-516-338-8033
RAbuseEmail: [email protected]
RAbuseRef: https://rdap.arin.net/registry/entity/BARNE796-ARIN
RTechHandle: BARNE796-ARIN
RTechName: Barnes Admin
RTechPhone: +1-516-338-8033
RTechEmail: [email protected]
RTechRef: https://rdap.arin.net/registry/entity/BARNE796-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.
#
Related domain names
Domains mentioned in the reverse DNS and the WHOIS of 161.221.5.2.
What is an IP address?
An IP address is a unique identifier on the internet that identifies a server or an internet user. Here the IP address is 161.221.5.2: it may be the unique address used to reach a website, or the unique address of an internet user.
An SMTP server (a server used to send e-mails) must have a reverse DNS record associated with its IP address